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Goodman GMVM97 Service Manual

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3. 0j ooeumq 50 9 0 63 Status Codes NO POWER On NORMAL OPERATION A ___ INDICATES AIRFLOW FOLLOWED BY CFM bO BLOWER MOTOR NOT RUNNING b1 BLOWER COMMUNICATION ERROR b2 BLOWER HP MIS MATCH b3 BLOWER MOTOR OPERATING IN POWER TEMPERATURE OR SPEED LIMIT b4 BLOWER MOTOR CURRENT TRIP OR LOST ROTOR b5 MOTOR LOCKED ROTOR BLOWER OVER UNDER VOLTAGE TRIP OR OVER TEMPERATURE TRIP b7 INCOMPLETE PARAMETERS SENT TO MOTOR bg INDOOR AIRFLOW CLIMATETALK COMPRESSOR COOLING CONVENTIONAL COMPRESSOR COOLING WHEN 1 STAGE COMPRESSOR IS SET UP LOW STAGE COOL C2 HIGHSTAGE COOL CLIMATETALK COMPRESSOR COOLING WITH DEHUMIFICATION CONVENTIONAL d COMPRESSOR COOLING WITH DEHUMIDIFICATION WHEN 1 STAGE COMPRESSOR 15 SET UP dO DATA NOT YET ON NETWORK CONVENTIONAL 1 STAGE COMPRESSOR COOLING WITH DEHUMIDIFICATION WHEN 2 STAGE COMPRESSOR IS SET UP 42 CONVENTIONAL 2 STAGE COMPRESSOR COOLING WITH DEHUMIDIFICATION WHEN 2 STAGE COMPRESSOR IS SET UP 44 INVALID MEMORY CARD DATA dF DEFROST DEMAND EO LOCKOUT DUE TO EXCESSIVE RETRIES OR RECYCLES LOW STAGE PRESSURE SWITCH STUCK CLOSED AT START OF HEATING CYCLE 22 LOW STAGE PRESSURE SWITCH STUCK OPEN OPEN HIGH LIMIT SWITCH E4 DETECTED WHEN NO FLAME SHOUL
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6. circulator is adjusted to the appropriate CFM corresponding to the current firing rate IGNITION 80 10 10 MINS 60 FIRE RATE 50 MIN TIME Operation with Conventional 2 Stage Thermostat DIP switch selects 2 stage heat Call for 1st Stage Heat Thermostat contacts close R to W1 After a successful Light Off Sequence and expiration of the Ignition Stabilization Period e The IFC adjusts to the low firing rate e After 2 minutes the IFC increases to 50 fort he next 8 minutes Thereafter the IFC will increase 10 at a rate of 1 per second every 10 minutes for the remainder of the call for heat See above figure circulator is adjusted to the appropriate CFM corresponding to the current firing rate OPERATION 10 MINS 90 IGNITION 80 70 60 50 FIRE RATE MIN TIME Operation with Conventional 2 Stage Thermostat DIP switch selects 2 stage heat Call for 2nd Stage Heat Thermostat contacts close R to W1 W2 After a successful Light Off Sequence and expiration of the Ignition Stabilization Period e The IFC adjusts to the low firing rate After 2 minutes the IFC increases to 80 e Thereafter the IFC will increase 10 at a rate of 1 per second every 10 minutes for the remainder of the call for heat circulator is adjusted to the a
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10. CEM 1 2 min 71 2 min A 2 min Cooling Demand 7 Select the heating speed for your model fromthe heating speed chart in the Specification Sheet The adjust set ting already established by the cooling speed selection determines which set of speedsare available The selected speed must provide a temperature rise within the rise range listed with the particular model 8 Select the desired heating speed tap by positioning switches 3 and 4 appropriately Refer to figure above Verify CFM by noting the number displayed on the dual 7 segment LED display In general lower heating speeds will reduce electrical consump tion lower operating sound levels of the blower and increase the outlet air temperature delivered to the home The speeds available allow the blower performance to be optimized for the particular homeowner s needs SwircuEs There are 18 DIP switches on the modulating furnace IFC Switches are located in 3 rows each having 6 switches Switches are numbered from 1 to 18 The ON position is UP The chart shows all 18 DIP switches their function and their factory position Switches 1 amp 2 Select cooling speed A B C or D Factory setting is D both switches up in the ON position These switches are ignored when using a CTK0 communicating thermostat Switches 3 amp 4 Select heating speed A B Cor D Factory setting is B 3 ON 4 OFF These switches are ignore
11. Normal condition condition p None r None Red Communications Flashes ee of box reset rr I Ie power up EC NN LED Learn button depressed Control is talking on network as expected Rapid Flashing Normal network traffic On Solid Data 1 Data 2 miss wire Green Receive LED Operational Checks BURNER FLAME The burner flames should be inspected with the burner com partment door installed Flames should be stable quiet soft and blue dust may cause orange tips but they must not be yellow Flames should extend directly outward from the burn ers without curling floating or lifting off Flames must not impinge on the sides of the heat exchanger firing tubes Check the Burner Flames for 1 Stable soft and blue 2 Not curling floating or lifting off Burner Flame Memory Cuips Memory chips are a service only item and are not sent out with new equipment They are used only in the rare occur rence where communicating equipment shared data needs to be restored Memory chips should not be routinely installed at the time of installation Amemory chip is not required when an indi vidual control board or motor is replaced 48 Data 1 and data 2 wires reversed communications at furnace thermostat or communicating compatible outdoor AC HP Short between data 1 and data 2 wires wiring data 1 data 2 wires Check wire connections at terminal block
12. Check data 1 data 2 voltages Short between data 1 or data 2 wires and R 24VAC C 24VAC common Amemory chip is only required when all communicating com ponents have been replaced with service parts containing no shared data If either an existing control board or ECM motor needed to be replaced the service part would upload the necessary data from the remaining communicating com ponent In a fully communicating system this would include the communicating thermostat and communicating outdoor unit control board as the necessary data is stored in all com municating devices A furnace void of shared data will not function in a legacy or afully communicating installation The furnace display would show d0 indicating that there is no shared data the furnace control board If it is ever necessary to use a memory chip the specific memory chip for your furnace number must be used OPERATIONAL CHECKS To use a memory chip 1 Power down all HVAC equipment in the system 2 Aswhen handling any electronic components discharge any static electricity you may be carrying by touching grounded metal 3 Insert the memory card the slot on the control board 4 Power the system back up and allow a few minutes for the network to establish communication between all de vices 5 Furnace control board will display OP or ON depend ing on board part number 6 Check operation 7 Memory chip
13. CVM97 MINIMUM CLEARANCES TO COMBUSTIBLE MATERIALS INCHES REAR FRONT BOTTOM FLUE DE DES DES v C 1 placed on combustible floor floor MUST be wood only NC For installation non combustible floors only combustible subbase must be used for installations on combustible tlooring NOTES For servicing or cleaning a 24 front clearance is required Unit connections electrical flue and drain may necessitate greater clearances than the minimum clearances listed above In all cases accessibility clearance must take precedence over clearances from the enclosure where accessibility clearances are greater Installations must adhere to the clearancesto combustible ma terials to which this furnace has been design certified The minimum clearance information for this furnace is provided on the unit s clearance label These clearances must be perma nently maintained Clearances must also accommodate an installation s gas electrical and drain trap and drain line con nections If the alternate combustion air intake or vent flue connections are used additional clearance must be provided to accommodate these connections Refer to Vent Flue Pipe and Combustion Air Pipe for details NOTE In addition to the required clearances to combustible materials a minimum of 24 inches service clearance must be available in fron
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15. 2 Connect a calibrated water manometer or appropriate gas pressure gauge at either the gas valve inlet pres sure tap or the gas piping drip leg as shown the fol lowing figures 55 SERVICING GAS LINE GAS SHUTOFF VALVE GAS LINE TO FURNACE OPEN TO ATMOSPHERE DRIP LEG CAP MANOMETER HOSE MANOMETER Measuring Inlet Gas Pressure Alternate Method 3 Turn ON the gas and electrical power supply and oper ate the furnace and all other gas consuming appliances on the same gas supply line 4 Measure furnace gas supply pressure with burners fir ing Supply pressure must be within the range speci fied inthe following table To test manifold pressure the furnace must be put into field test mode to bring the furnace up to 100 input 5 Disconnect manometer after turning off gas at manual shutoff valve Reinstall plug before turning on gas to furnace 6 Turn OFF any unnecessary gas appliances started in step 3 7 Turn on gasto furnace and check for leaks If leaks are found repair and then reinstall burner compartment door 8 Turn on electrical power and verify proper unit opera tion The gas valve is factory set and non adjustable in the field Do not remove the seal covering the regulator screws or attempt to adjust either of the regulator screws Even though the modulating gas valve is non adjustable in the field gas industry procedure dictates that the installing servicing technician
16. CTK03 or CTK04 communicating thermostat the HUM terminals are closed whenever there isa call for humidity The integrated control module electronic air cleaner terminals EAC are energized with 115 volts whenever the circulator blower is energized 24 HuMpiFIER A 24 volt humidifier can be powered by feeding one of the HUM terminals with a field installed wire from the R termi nal or by connecting to the NO side of the low fire pressure switch Gas Supply and Piping The furnace rating plate includes the approved furnace gas in put rating and gas types The furnace must be equipped to operate on the type of gas applied This includes any conver sion kits required for alternate fuels and or high altitude caution TO PREVENT UNRELIABLE OPERATION OR EQUIPMENT DAMAGE THE INLET GAS SUPPLY PRESSURE MUST BE AS SPECIFIED ON THE UNIT RATING PLATE WITH ALL OTHER HOUSEHOLD GAS FIRED APPLIANCES OPERATING Inlet gas supply pressures must be maintained within the ranges specified in the following table The supply pressure must be constant and available with all other household gasfired appli ances operating The minimum gas supply pressure must be maintained to prevent unreliable ignition The maximum must not be exceeded to prevent unit overfiring Inlet Gas Supply Pressure Natural Gas Maximum 10 0 w c Propane Gas Minimum 11 0 w c Maximum 13 0 w c Propane Gas CONVERSION A warnine POSSIBLE PROPERTY
17. W Inside FIXED CLOSED Corner Detail OPERABLE CLOSED VENT TERMINAL 9 AIR SUPPLY INLET AREA WHERE TERMINAL IS NOT PERMITTED FIXED DIRECT VENT TERMINAL CLEARANCES U S Installations 2 Canadian Installations A Clearance above grade veranda porch deck or balcony See 1 24 6 i 9 b 12 in 30 12 30 cm B Clearance to window or Canadian Installations 1 U S Installations 3 ft 91 cm l Clearance to service regulator vent outlet Clearance to nonmechanical air supply inlet to building or the 6 in 15 cm for appliances 10 000 6 in 15 cm for appliances 10 000 6 in 15 cm for appliances 10 000 Btuh 3 KW 12 in 30 cm for appliances 10 000 Btuh 3 KW and 100 000 Btuh 30 kW 36 in 91 cm for appliances gt 100 000 Btuh 30 door that may be opened 6 in 15 cm for appliances 10 000 Btuh 3 kW 9 in 23 cm for appliances 10 000 Btuh 3 KW and 50 000 Btuh 15 kW 12 in 30 cm for appliances gt 500 000 Btuh 15 kW Btuh 3 kW 12 in 30 cm for appliances gt 10 000 Btuh 3kW and 100 000 Btuh 30 kW 36 in 91 cm for appliances 100 000 Btuh 30 kW combustion air inlet to any other appliance Btuh 3 kW 9 in 23 cm for appliances 10 000 Btuh 3kW and 50 000 Btuh 15 kW 12 in 30 cm for appliances
18. With CTK0 Communicating T hermostat 1 Modulating furnace alone 2 Modulating furnace with Goodman brand Amana brand communicating split A C or H P unit no sepa rate dual fuel control is required 3 Modulating furnace with non communicating 1 stage A C split unit can not support a 2 stage or a non communicating heat pump 13 PRODUCT DESIGN With Conventional Non Communicating Thermostat Single or Multi Stage 1 Modulatingfurnace alone 2 Modulating furnace with Goodman brand Amana brand communicating split A C or H P unit a dual fuel thermostat or separate dual fuel control is re quired for H P 3 Modulating furnace with non communicating split A C or H P a dual fuel thermostat or separate dual fuel control is required for H P Product Application This furnace is primarily designed for residential home heating applications It is NOT designed or certified for use in mobile homes trailers or recreational vehicles Neither isit designed or certified for outdoor applications The furnace MUST be installed indoors i e attic space crawl space or garage area provided the garage area is enclosed with an operating door This furnace can be used in the following non industrial commercial applications Schools Office buildings Churches Retail stores Nursing homes Hotels motels Common or office areas In such applications the furnace must be installed with the following
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20. After completing check and or replacement of trans former and check and or repair of control circuit re install blower compartment door 8 Turnon electrical power and verify proper unit op eration 5 300 CHECKING PRIMARY LIMIT CONTROL modulating furnaces use a nonadjustable automatic reset bi metal type limit control The primary limit con trol islocated onthe front panel of the furnace between heat exchanger tubes This normally closed control HIGH VOLTAGE DISCONNECT ALL POWER BEFORE SERVICING OR CHANGING ANY ELECTRICAL WIRING MULTIPLE POWER SOURCES MAY BE PRESENT FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE PERSONAL INJURY OR DEATH 1 Turnoff all voltage sources 2 Remove the two wires from the limit switch 3 Using ohmmeter check for a closed circuit across the two limit contacts this will be the same reading that you see by touching your two meter leads to gether S 301 CHECKING AUXILIARY LIMIT CONTROL Automatic Reset Auxiliary Limit Located in Blower Hous ing Modulating furnaces use an auxiliary limit s automatic reset control connected in series with the main limit switch If its temperature should be exceeded it will open inter rupting the voltage in the limit circuit The auxiliary limit is located on the side of the blower housing This is a nor mally closed switch To check auxiliary limits perform the following steps A HIGH VOLTAGE
21. If the appliance will not operate MANUAL GAS instructions intitul es Comment couper l admission follow the instructions Turn LEVER SHOWN de gaz de l appareil et appeler un technicien Off Gas To Appliance and call your IN ON POS qualifi ou le fournisseur de gaz service technician or gas company TURN OFF GAS TO APPLIANCE __ _ __ POUR COUPER L ADMISSION EM PPE GATTO DE GAZ DE L APPAREIL 1 Set the thermostat to lowest setting 1 R gler le thermostat la temp rature la plus bass 2 Turn off all electric power to the appliance 2 Couper l alimentation lectrique de l appareil s il i service is to be performed faut proc der des operations d entretien 3 Push the gas control lever to OFF Position 3 Pousse le levier du contr le du gaz a OFF ARRET position Do not force Ne pas forcer 4 Replace control access panel 4 Remettre en place le panneau d acc s 0140F00996 REV A 11 PRODUCT DESIGN Adhere to the following warnings and cautions when installing adjusting altering servicing or operating the furnace To ensure proper installation and operation thoroughly read this manual for specifics pertaining to the installation and application of this product WARNING TO PREVENT PERSONAL INJURY OR DEATH DUE TO IMPROPER INSTALLATION ADJUSTMENT ALTERATION SERVICE OR MAINTENANCE REFER TO THIS MANUAL FOR ADDITIONAL ASSISTANCE OR INFORMATION CONSULT A QU
22. a CTK0 communicating thermostat Switches 11 amp 12 Select fan off delay in heat Choicesare 90 120 150 or 180 seconds Factory setting is C 150 seconds These switches are ignored when using CTKO communicating thermostat Switch 13 Selects thermostat type for heating Factory setting for this switch is OFF thisisthe correct setting for a conventional single stage stat or a CTK02 CTK03 and CTK04 communicating modulating stats To use a conven tional two stage heating thermostat or a thermo stat move this switch to the ON position Switch 14 Selects compressor setup for cooling Factory position is OFF This is the correct position for a single stage condensing unit In this position Y from the room thermostat would connect to Y1 on the IFC Full CFM se lected by switches 1 amp 2 will be delivered during a Y1 call If using a two stage outdoor unit move this switch to the ON position and wire Y1 from the room stat to Y1 on the IFC wire Y2 on the room stat to Y2 on the IFC This switch is ignored when using a CTK0 communicating thermostat Switch 15 Selects DEHUM Enabling this feature will re duce in a call for cooling by 15 Factory position is OFF in this position DEHUM is disabled To use this fea ture the DIP switch must be turned to the ON position and a normally closed dehumidistat be used This switch is ig nored when using a CTK0 communicating thermostat Switches 16 17 18 These are sys
23. death 2 DIAGNOSTIC LED S injury or mi 59 1009 1V3H cl SdVLNV4 10 1NO9 G31VHON3INI ONLLVINGOW M3WHOJSNVHL VA Op SNIdAVH 1v3H tra c c avaa 03 isnrav S3HO1IMS gt o 5 5 gt 5 2 o x 3 E o x a gt 5 5 o damage personal WARNING Disconnect ALL power before serv 03 m3 05 dni3s 1 NMOG an na 5 24V THERMOSTAT CONNECTIONS AUX ECM MTR HARNESS BLOWER q INDUCTOR COIL ON SOME MODELS CIRCULATOR BLOWER NOTES SET HEAT ANTICIPATOR ON ROOM THERMOSTAT AT 0 7 AMPS MANUFACTURER S SPECIFIED REPLACEMENT PARTS MUST BE USED WHEN SERVICING IF ANY OF THE ORIGINAL WIRE AS SUPPLIED WITH THE FURNACE MUST BE REPLACED IT MUST BE REPLACED WITH WIRING MATERIAL HAVING A TEMPERATURE RATING OF AT LEAST 105 C USE COPPER CONDUCTORS ONLY UNIT MUST BE PERMANENTLY GROUNDED AND CONFORM TO N E C AND LOCAL CODES TO RECALL THE LAST 10 FAULTS MOST RECENT TO LEAST RECENT DEPRESS SWITCH FOR MORE THAN 2 SECONDS WHILE IN STANDBY NO THERMOSTAT INPUTS COLOR CODES PK PINK BR BROWN WH WHITE BL BLUE GY GRAY RD RED YL YELLOW OR ORANGE PU PURPLE GR GREEN BK BLACK 0140F02
24. fireplaces etc increase the problem by starving appliances for air House depressurization can cause back drafting or improper combustion of gas fired appliances thereby exposing building occupantsto gas combustion productsthat could include car bon monoxide PRODUCT DESIGN If this furnace is to be installed in the same space with other gas appliances such as water heater ensure there is an adequate supply of combustion and ventilation air for the other appliances Refer to the latest edition of the National Fuel Gas Code NFPA 54 ANSI Z223 1 or CAN CSA B149 Installation Codes or applicable provisions of the local building codes for determining the combustion air requirements for the appli ances Most homes will require outside air be supplied to the furnace area by means of ventilation grilles or ducts connecting di rectly to the outdoors or spaces open to the outdoors such as attics or crawl spaces Installation Positions MVM97 models may be installed up flow or horizontally with left or right side down CVM97 models may be installed down flow or horizontally with left or right side down Do not install any furnace on its back Horizontal Installations 1 Horizontal installations require 5 5 under the furnace to accommodate the drain trap 2 Horizontal furnaces must be installed with 34 slope from back to front to permit condensate flow towards the front of the furnace When installing a MVM97 horizontally wi
25. 2 Stage algorithm equivalent to a W2 request e The circulator will operate per the heat airflow pro file HEATING OPERATION with CTKO2 CTKO3 amp 4 THERMOSTAT MoDULATING COMMUNICATING When the Thermostat Heat Setup DIP switch is set to 1 Stage heat the IFC operation will be compatible with a modulating communicating thermostat CTK02 e When acall for heat is sent the furnace will go through the Light Off Sequence After the successful Light Off Sequence and expiration of the Ignition Stabili zation Period e The IFC adjusts to the low firing rate e After 2 minutes the IFC accepts the specific Heat Requested Demand e If the differential is 2 degrees or less the Heat Cur rent Demand Status will show 50 e the specific Heat Requested Demand is above 2 degrees the Heat Current Demand Status will track the specific Heat Requested Demand e The circulator will operate per the heat airflow pro file Drain TRAP PRIMING The drain trap must be primed prior to furnace startup To prime fill the drain trap with water This ensures proper fur nace drainage upon startup and prohibits the possibility of flue gases escaping through the drain system 33 Gas Supply PRESSURE MEASUREMENT caution TO PREVENT UNRELIABLE OPERATION OR EQUIPMENT DAMAGE THE INLET GAS SUPPLY PRESSURE MUST AS SPECIFIED ON THE UNIT RATING PLATE WITH ALL OTHER HOUSEHOLD GAS FIRED APPLIANCES OPE
26. BEFORE TURNING OFF THE ELECTRICAL SUPPLY DANGER 52 PELIGRO CARBON MONOXIDE POISONING HAZARD Special Warning for Installation of Furnace or Air Handling Units in Enclosed Areas such as Garages Utility Rooms or Parking Areas Carbon monoxide producing devices such as an automobile space heater gas water heater etc should not be operated in enclosed areas such as unventilated garages utility rooms or parking areas because of the danger of carbon monoxide CO poisoning resulting from the exhaust emissions If a furnace or air handler is installed in an enclosed area such as a garage utility room or parking area and a carbon monoxide producing device is operated therein there must be adequate direct outside ventilation This ventilation is necessary to avoid the danger of CO poisoning which can occur if a carbon monoxide producing device continues to operate in the enclosed area Carbon monoxide emissions can be re circulated throughout the structure if the furnace or air handler is operating in any mode can cause serious illness including permanent brain damage or death B10259 216 To locate an authorized servicer please consult your telephone book or the dealer from whom you purchased this product For further assistance please contact CONSUMER INFORMATION LINE GOODMAN BRAND PRODUCTS TOLL FREE 1 877 254 4729 U S only email us at customerservice goodmanmfg com fax us at 731 856 1821 Not a techni
27. Disconnect ALL POWER BEFORE SERVICING OR CHANGING ANY ELECTRICAL WIRING MULTIPLE POWER SOURCES MAY BE PRESENT FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE PERSONAL INJURY OR DEATH 1 Turn off all power sources 2 Remove the two wires from the auxiliary limit switch 3 Using ohmmeter check for a closed circuit across the two limit contacts this will be the same reading that you see by touching your two meter leads to gether 53 SERVICING AUXILIARY LIMIT CONTROL _ BLOWER HOUSING DA JAUXILIARY LIMIT CONTROL Auxiliary Limit Control Location S 302 CHECKING FLAME ROLLOUT CONTROL Atemperature activated manual reset control is mounted to the manifold assembly on modulating furnace as shown in the following illustration FLAME ROLLOUT SWITCHES ES cyst 1 Flame Rollout Switch Location 90 Upflow Furnace Shown Counterflow Similar HIGH VOLTAGE Disconnect ALL POWER BEFORE SERVICING OR CHANGING ANY ELECTRICAL WIRING MULTIPLE POWER SOURCES MAY BE PRESENT FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE PERSONAL INJURY OR DEATH 1 T
28. EXTERNAL FILTER RACK KIT EITHER SIDE Possible Upright Upflow FILTER ACCESS DOOR N wi RETURN CENTRAL RETURN FILTER SUE SUPPORT EP BRACKET Field Supplied L AIR FLOW Possible Upright Counterflow Filter Locations Startup Procedure Before placing any furnace into service for the first time or after performing service on an existing furnace the build ing gas piping system building piping connection to the furnace and gas train inside the furnace cabinet must be proven safe and leak free Verifying a leak free status is most thoroughly accomplished when a combination of ap proved methods is used meter dial test electronic gasleak detector liquid leak detector solution The furnace must have a 115 volt power supply properly connected and grounded Line and Neutral polarity must be correct 31 Upon power up all segments in the dual seven segment display will illuminate briefly and then display ON indicat ing the furnace is standing by amp ready to receive commands from the thermostat Once a call for heat is received by the furnace control board the furnace will enter a calibration routine The calibration routine allowsthe furnace to adapt to the installed venting and combustion air piping The in ducer will ramp up and do
29. OPERATION LEARN PusH BuTTON Pressing the learn button re sets the communicating net work and allows the IFC to search for communicating equip ment The press and release of the button starts the same learning process as during power up of the system CLiMATETALK Communication LEDs The IFC has two LEDs e Redcommunications LED Indicates the status of the network e OFFis normal condition 2slow flashes on power up ON for 74 second OFF for 34 second ON for second OFF e Continuous slow flash indicates communication fail ure ON for second OFF for 34 second e Green receive LED Indicates network traffic e Fast sporadic flashes indicates normal bus commu nication ON solid indicates Data 1 Data 2 miswire 42 Low heat CFM for 2 stage High Stage Model Cool MVM970603BN MVM970803BN MVM970804CN MVM971005CN MVM971205DN CVM970603BN CVM970803BN CVM970804CN CVM971005CN 00 shown will vary proportionally with the gas valve BTU H input Airflow Table Brower Heat Orr DELAY 5 The integrated control module provides a selectable heat off delay function The heat off delay period may be set to 90 120 150 180 seconds usingthe DIP switches or jumper provided on the control module The delay isfactory shipped at 150 seconds but may be changed to suit the installation requirements and or homeowner pre
30. Specification Sheet ap plicable to your model Look up the cooling air flow determined in step 2 and find the required cooling speed and adjustment setting Example MVM960603BX furnace installed with a 2 5ton air conditioning system The air flow needed is 1000 CFM Looking at the cooling speed chart for MVM960603BX find the air flow closest to 1000 CFM A cooling airflow of 1000 CFM can be attained by se lecting the cooling speed C and the adjustment to normal 4 Continuous fan speed is selectable at 25 50 75 or 100 of the furnace s maximum airflow capability Example If the furnace s maximum airflow capabil ity is 2000 CFM the continuous fan speed will be 0 25 x 2000 or 500 CFM 5 Locate the blower speed selection DIP switches on the integrated control module Select the desired cool ing speed tap by positioning switches 1 and 2 appro priately Select the desired adjust tap by positioning switches 9 and 10 appropriately Refer to the DIP switch chart for switch positions and their corresponding taps Verify CFM by noting the number displayed on the dual 7 segment LED display 6 The multi speed circulator blower also offers several custom ON OFF ramping profiles These profiles may be used to enhance cooling performance and increase comfort level The ramping profiles are selected us ing DIP switches 7 and 8 Refer to the following fig ure for switch positions and their corresponding taps Re
31. a ComfortNet system communicate digitally with one another creating a two way communications path The thermostat still sends commands to the indoor and outdoor units However the thermostat may also request and receive information from both the indoor and outdoor units This information may be displayed on the ComfortNet thermostat The indoor and out door unitsalso interact with one another The outdoor unit may send commandsto or request information from the indoor unit Thistwo way digital communications between the thermostat and subsystems indoor outdoor unit and between subsystems is the key to unlocking the benefits and features of the ComfortNet system CTKO 8 0 Thermostat Furnace Integrated 666 ES Control Module ComfortNet C tibl 40VA Transformer 1 5 ACHE integrated Control Module 208 230 VAC System Wiring using Two Wires between Furnace and AC HP and Four Wires between Furnace and Thermostat ComfortNet Compatible COMPATIBLE Furnace with NET SINGLE STAGE AIR CONDITIONER Four wires are required between the furnace and thermostat Two wires are required between the furnace control and single stage air conditioner For this system configuration the 1 terminal on the integrated furnace control becomes an output rather than an input The Y1 connection to the outdoor unit is made using both 4 position thermostat connectors in
32. circuit closes and a call for heat is present a new ignition sequence is started and the circulator will remain energized for the selected fan off delay If the burner islit before expiration of the selected fan off delay the fan off timing is stopped and the circulator will adjust to the speed requested by the heating sequence If the limit switch circuit opens in any mode other than Heat it will be ignored Pressure Switch Configuration e The IFC monitors the contacts of a SPST single pole single throw low pressure switch with a set point that ensures the switch will be closed at approximately 35 of the firing rate of the furnace e IFC monitors the contacts of a SPST high pres sure switch with a set point that ensures the switch will be closed at approximately 100 of the firing rate of the furnace HFitting The H fitting conditions the negative pressure signal which is applied to a the gas valve Restricting Orifice Restricting Orifice H Fitting The low pressure switch assembly includes an H fitting as sembly and tubing that provides pressure signals to the Honeywell amplified gas air gas valve The H fitting con tains an orifice which conditions the negative air pressure controlling the gas valve This has the effect of allowing only smooth changes in air pressure to reach the gas valve Low Pressure Switch Operation e If acall for heat exists and the low pressure switch is closed already before
33. flame They are normally closed electrically manual reset sensors These limits guard against burner flames not being properly drawn into the heat exchanger PRESSURE SWITCHES The pressure switches are normally open closed during opera tion negative air pressure activated switches They monitor the airflow combustion air and flue products through the heat exchanger via pressure tapslocated on the induced draft blower and the coil front cover These switches guard against insuffi cient airflow combustion air and flue products through the heat exchanger and or blocked condensate drain conditions FLAME SENSOR The flame sensor is a probe mounted to the burner manifold assembly which uses the principle of flame rectification to de termine the presence or absence of flame Troubleshooting warnine HIGH VOLTAGE TO AVOID PERSONAL INJURY OR DEATH DUE TO ELECTRICAL SHOCK DISCONNECT ELECTRICAL POWER BEFORE PERFORMING SERVICE OR MAINTENANCE Refer to the Troubleshooting Codes for assistance in determin ing the source of unit operational problems The dual 7 seg ment LED display will display an error code that may contain a letter and number The error code may be used to assist in troubleshootingthe unit RESETTING From Lockout Furnace lockout results when a furnace is unable to achieve ignition after three attempts during a single call for heat It is characterized by a non functioning furnace an
34. flue gases The primary and secondary heat exchanger sec tionsare joined by a 441 stainless steel header plate Flue gas condensation takes place in the secondary heat ex changer as latent heat istransferred from the flue gasesto heat the conditioned space Burners Burners have been redesigned for 34 5 chassis furnaces Overall length and width dimensions remain the same as 40 model burners The burners used 34 5 models have burner head insert with larger diameter center hole and a larger number of surrounding holes 16 New 34 5 Burner Depending on the size of the furnace each furnace will have from three to six inshot burners Burners are precisely con structed of aluminized steel and designed to provide proper ignition and flame stability Gas Manifold Assembly Each gas manifold is fitted with the appropriate number of 345 natural gas orifices At 100 of gas input each burner will provide approximately 20 000 BTUH The A GMVM951155DX models uses 743 gas orifices at 22 500 per hour If converting to LP gas the factory installed mani fold assembly must be replaced by the manifold assembly provided in the LP kit ECM Motor A variable speed ECM four wire indoor fan motor provides supply air to the conditioned space Thisisthe same motor used on Goodman amp Amana previous generation communi cating furnaces Induced Draft Blower IDB modulating furnace models use a three phase induced draft blower to draw flue
35. for heat wired in series through the front cover pressure switch The firing rate per centage is determined by the negative pressure created by the operation of the draft inducer The gas valve isfactory set and non adjustable in the field Do not remove the seal covering the regulator screws or attempt to adjust ei ther of the regulator screws Inductor Coil Wired in series with and 1 HP ECM motors the inductor coil conditions the power supply to the motor smoothing out spikes and electrical noise With voltage applied to one side of the inductor coil the output voltage to the motor should be the same as incoming voltage Integrated Furnace Control IFC The IFC is the main control center for the furnace It has many functions including e Receiving commands from the thermostat for heat ing and cooling continuous fan operation e Receiving commands for dehumidification and humidi fication e Communicating with the ECM motor for proper air delivery to the conditioned space Assuring safe ignition by checking the state of pres sure switches and limit switches before and after ig nition e Assuring safe operation by continuously monitoring the presence of flame the state of the pressure switches and limit and roll out switches e Displaysinformation on the dual seven segment dis plays regarding thermostat call air flow delivery and fault status e Controlling the speed of the induced draft blower by variable voltag
36. gasesthrough the heat exchanger The inducer uses ball bearings and is permanently lubri cated This motor is driven at varying speeds by the VFD variable frequency drive section of the IFC The IFC takes typical single phase power supplied to the furnace and con verts it to a three phase supply to operate the draft inducer at the desired speed The windings of the induced draft motor will have equal resistance 5 Normal resistance readings at room temperature will range from 14 17 ohms The voltage supplied by the IFC to drive the induced draft blower will vary from 15 110 volts A C between any two windings This would be read between any two of the three power wires between the IFC and the induced draft blower PRODUCT DESIGN This voltage to the IBD will vary between furnace models and is dependant on what percentage of maximum fire is being called for The power wires are colored red white and black A green colored ground wire is also present Hot Surface Igniter Modulating furnaces use a 115 volt silicon nitride hot sur face igniter This is the familiar and reliable 0131 000085 igniter with 17 second warm up time At room temperature the igniter has a resistance range of 37 68 ohms The 5 is connected electrically to the IFC by a 3 16 push on connection Gas Valve Modulating furnaces use a 24 VAC pneumatically operated gas valve by Honeywell The valve is energized by the inte grated furnace control on a call
37. grounding and controlling these accessories Accessory wiring connections are to be made through the 1 4 quick connect terminals provided on the fur nace integrated control module The Electronic air cleaner hot terminal is identified as EAC It is necessary to remove the protective tab on the board cover to access the EAC Terminal The EAC neutral terminal is identified as NEU TRAL Aline voltage humidifier may be connected between one of the HUM contacts and NEUTRAL The other HUM con tact must be fed from the L1 terminal All field wiring must conform to applicable codes Connections should be made as shown in the following figure ELECTRONIC AIR CLEANER HUMIDIFIER TRANSFORMER 0080000 NEUTRAL 11 12 CIRCUIT CONNECTOR INTEGRATED FURNACE CONTROL AUX OUT AUX IN AUX REMOVE FACTORY INSTALLED JUMPER TO USE WITH FLOAT SWITCH Accessories Wiring If it is necessary for the installer to supply additional line volt age wiring to the inside of the furnace the wiring must con form to all local codes and have a minimum temperature rating of 105 C All line voltage wire splices must be made inside the furnace j unction box The integrated furnace control HUM dry contacts are closed whenever the inducer is energized in a non communicating installation When used with a CTK02
38. in connection with a cooling unit install the furnace upstream or in parallel with the cooling coil Premature heat exchanger failure will result if the cooling coil is placed upstream of the furnace For vertical upflow or downflow applications the minimum cooling coil width shall not be lessthan fur nace width minus 1 Additionally a coil installed above an upflow furnace or under a counterflow fur nace may be the same width as the furnace or may be one size larger than the furnace Example a C width coil may be installed with a B width fur nace For upflow applications the front of the coil and fur nace must face the same direction If the furnace is installed in a residential garage posi tion the furnace so that the burners and ignition source are located not lessthan 18 inches 457 mm above the floor Protect the furnace from physical damage by ve hicles 15 PRODUCT DESIGN e If the furnace isinstalled horizontally ensure the access doors are not on the up top or down bottom side of the furnace connect thisfurnace to a chimney flue that serves a separate appliance designed to burn solid fuel e On Counterflow Installations the air conditioning coil must be downstream on the supply positive side of the furnace heat exchanger e Counterflow Installation over a noncombustible floor Before setting the furnace over the plenum opening en surethe surface around the opening is smooth and l
39. is opened for servicing Do not defeat this switch 24 THERMOSTAT WIRING IMPORTANT NOTE WIRE ROUTING MUST NOT INTERFERE WITH GIRCULATOR BLOWER OPERATION FILTER REMOVAL OR ROUTINE MAINTENANCE REMOVABLE PLUG CONNECTOR IS PROVIDED WITH THE CONTROL TO MAKE THERMOSTAT WIRE CONNECTIONS THIS PLUG MAY BE REMOVED WIRE CONNECTIONS MADE TO THE PLUG AND REPLACED IT IS STRONGLY RECOMMENDED THAT MULTIPLE WIRES INTO A SINGLE TERMINAL BE CONNECTED WITH A WIRE NUT AND ONLY ONE VURE BE INSERTED IN THE LOW VOLT CONNECTOR FAILURE TO DO SO MAY RESULT IN INTERMITTENT OPERATION IMPORTANT NOTE Dip switcH 13 MUST BE SET TO MATCH THERMOSTAT USE THE CTKD1 COMMUNICATING THERMOSTAT DIP SWITCH 13 MUST SET TO ON POSITION THIS IS ALSO THE CORRECT SETTING FOR A NON COMMUNICATING 2 STAGE THERMOSTAT TO USE CTKD2 MODULATING THERMOSTAT CHECK TO MAKE SURE DIP SWITCH 13 IS IN THE OFF POSITION FACTORY POSITION THIS IS ALSO THE CORRECT POSITION WHEN USING A NON COMMUNICATING SINGLE STAGE THERMOSTAT When installed with a non communicating thermostat the furnace integrated control module provides terminals for both W1 W2 and Y1 and Y2 thermostat connections Thisallowsthe furnace to support the following system applica tions Two Stage Heating Only Two Stage Heating with Single Stage Cooling and Two Stage Heating with Two Stage Cool ing Refer to the
40. low fire mode before switching to mid fire mode Auto Restart Delay The time delay waited before the control isable to perform a new trial for ignition in the case of Soft Lockout Soft Lockout A state caused a system fault such as loss of flame or pressure switch failure Hard Lockout state caused by a failure internal to the control or by a system fault such as a flame rollout Fault Debouncing Time The period between a sys tem fault occurring and the IFC recognizing the fault has occurred This time varies depending on the spe cific fault Factory Shared Data Data used by a ClimateTalk device for specific configuration parameters This data will be programmed in at the Goodman factory HSI Warm Up Same for all trials Ignition Activation Period Pe TFI IAP FRP 15 sec 17 sec 3 sec 1 sec D 3 2 5 5 4 2 9 5 Heat Exchanger Prepurge Gas Valve Sequence Period 12 sec L ce Flame Debounce Period Time it takes to debounce flame presence or failure uto Restart Delay gnition Recycles i ame Failure Response Time 10 sec 5 D c N TU n 29 pu Ignition Activation Chart Ignition Retries When flame is not sensed during the Trial for Ignition Pe riod e The valve is de energized inducer
41. o Appelez imm diatement votre fournisseur de gaz depuis un voisin Suivez les instructions du fournisseur de gaz o Sivous ne pouvez rejoindre le fournisseur de gaz C Use only your hand to push in or turn the gas control lever appelez le service des incendies 12 ner pasi Ne pousser ou tourner la manette d admission du gaz technician Force result in a fire 1 A r parer appelez technicien qualifi Quiconque D Do not use this appliance if any part has been underwater tente de forcer la manette ou de la r parer peut Immediately call a qualified service technician to inspect provoquer une explosion ou un incendie the appliance and to replace any part of the control TE system and any gas control which has been underwater D Ne pas se servir de cet appareil s il a t plong dans l eau m me partiellement Faire inspecter l appareil par un technicien qualifi et remplacer toutr partie du syst me de contr le et toute commande qui ont t plong es dans l eau OPERATING INSTRUCTIONS MISE EN MARCHE 1 STOP Read the safety information above on 1 ARRETEZ Lisez les instructions de s curit dans la this label Section sup rieure de cette tiquette 2 Set the thermostat to lowest setting 2 R gler le thermostat la temp rature la plus basse 3 Turn off all electric power to the appliance 3 Couper l alimentation l
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43. ponents as shown in the following drawing 30 4 Consult proper tablesfor the quantity of air If the total external static pressure exceeds the maximum listed on the furnace rating plate check for closed damp ers registers undersized and or oversized poorly laid out duct work SUPPLY AIR CUTAWAY OF DUCTWORK TO EXPOSE COIL INCLINED MANOMETER RETURN AIR Checking Static Pressure Bottom Return Air UrrLow 5 The bottom return air opening on upflow models utilizesa lance and cut method to remove sheet metal from the duct opening in the base pan To remove simply press out the lanced sec tions by hand to expose the metal strips retaining the sheet metal over the duct opening Using tin snips cut the metal strips and remove the sheet metal covering the duct opening In the corners of the opening cut the sheet metal along the scribe linesto free the duct flanges Usingthe scribe line along the duct flange as a guide unfold the duct flanges around the perimeter of the opening using a pair of seamer pliers or seamer tongs NOTE Airflow area will be reduced by approximately 18 if duct flanges are not unfolded This could cause perfor mance issues and noise issues EDGES OF SHEET METAL HOLES MAY BE SHARP USE GLOVES AS PRECAUTION WHEN REMOVING SHEET METAL FROM RETURN AIR OPENINGS CUT FOUR CORNERS MM AFTER REMOVING SHEET METAL SCR
44. should know that the appliance is op erating as designed before leaving newly installed or ser viced equipment The gas valve is equipped with 1 8 NPT fittings to access both the inlet and manifold gas pres sures To do a manifold gas pressure check the furnace can be operated in field test mode This mode will quickly bringthe furnace up to high fire To enter field test mode during a call for heat press the fault recall button twice within a five second period when the dual seven segment displays show Ft pressthe fault recall button again to en ter field test mode The furnace will stay in field test for five minutes or until the call for heat is satisfied Gas valve orientation must be such that the switch is facing out to 56 wards the front of the furnace Manifold pressure for natu ral gasis pre set to be between 3 2 WCto 3 8 WC If the furnace has been converted to LP gas the manifold pres sure will be 9 7 WC to 10 3 W Manifold Gas Pressure 3 5 w c 5 308 CHECKING HOT SURFACE IGNITOR Modulating furnaces use a 115 volt silicon nitride hot sur face igniter This is the familiar and reliable 0131F00008S igniter with 17 second warm up time At room tempera ture the igniter has a resistance range of 37 68 ohms The 5 isconnected electrically to the IFC by a 3 16 push on connection S 309 CHECKING FOR FLASHBACK Flashback will also cause burning in the burner venturi but is caused by the burning spee
45. spikes and electrical noise SERVICE amp OPERATION The low voltage harnessis a 4 wire harness that supplies 12 volts DC to terminals 1 amp 4 of the motor and communicat ing signals on terminals 3 amp 4 warnine THE CONTROL MODULE CONTAINS COMPONENTS WHICH CAN HOLD AN ELECTRICAL CHARGE FOR SEVERAL MINUTES BEFORE THE MOTOR IS TAKEN APART IT MUST BE ALLOWED TO DISSIPATE VOLTAGE BY WAITING MINUTES BEFORE IT IS INSPECTED INTERNALLY THE END BELL CAN BE SEPARATED FROM THE MOTOR BODY BY REMOVING THE THREE SCREWS WHICH JOIN THEM ONCE THE SCREWS ARE REMOVED THE INTERANL HARNESS CAN BE SEPARATED THE CONTROL MODULE AND MOTOR CAN THEN BE INSPECTED SEPARATELY The motor contains three windings of equal resistance 10 Resistance between windings is generally less than 10 ohms and will vary between models To take this reading the ohm meter leads are placed in the wiring harness pre viously disconnected from the internal control unit connec tor Inspect capacitors inside the control unit for bulging or swol len caps The end bell should be replaced if components appear swollen or bulging A functioning control unit should have a phase to phase resistance of greater than 100K be tween any two pins A separated control unit is shown be low To take this reading the ohm meter leads are placed in the end bell socket and not in the wiring harness 3 Wire Motor to Control Harness e 3 Pin Connec
46. the heat or cool demand always has priority over G speed COMMUNICATING THERMOSTAT If a conventional request is present without a heat or cool request from the communicating thermostat the circulator will run at the selected fan speed CONTROL HUMIDIFIER Output CONVENTIONAL THERMOSTAT One set of isolated relay contacts are wired to a pair of terminals for connection to a humidifier When the inducer is on the IFC closes the humidifier relay contacts except from the calibration routine where the humidifier relay con tacts are always open HUMIDIFIER Output COMMUNICATING THERMOSTAT One set of isolated relay contacts are wired to a pair of terminals for connection to a humidifier Upon receipt of a Humidification Requested Demand the IFC will e Close the humidifier relay contacts Energize the circulator at the circulation speed speed unless the circulator is commanded to a dif ferent speed by a heat demand DEHUMIDIFICATION CONVENTIONAL THERMOSTAT e DEHUM functionality is enabled by a DIP switch set ting e IFC varies circulator speed operation based on the DEHUM signal from the thermostat e If 24VAC is not connected to DEHUM through a Humidistat and both 1 and O terminals are ener gized then the IFC control reduces the cooling CFM by 15 e If both Y1 and terminals are not energized the DEHUM signal is ignored is ignored during any heating request 41
47. the ignition sequence has be gun the IFC will wait 5 minutes After the 5 minute delay and if the LPS is still closed the IFC will log and display an error code indicating the low pressure switch is stuck closed When the LPSis sensed open the IFC clears the error code and resumes normal op eration 46 If the ignition sequence has begun and the low pressure switch fails to close within 30 seconds the IFC logs and displays an error code indicating the low pressure switch is stuck open The inducer continues to run for a total of 5 minutes at which time the IFC de energizes the inducer and then attempts the Calibration routine immediately If during the 5 minute interval LPS is sensed closed or call for heat is removed the IFC clears the error code and resumes normal operation High Pressure Switch Operation e High Pressure Switch action is used to determine the inducer speed required to achieve the 100 firing rate of the appliance The determination is made by the IFC during the calibration process HPS must remain closed during 100 fire opera tion If it opens during 100 fire operation the IFC will increase the inducer speed at a rate of 1 per sec in an attempt to re close the pressure switch up to the maximum allowed RPM If the HPSisre closed successfully the IFC will complete the Heat mode and perform the Calibration routine on the next call for heat If the HPS remains open the IFC will end the Heat mode throu
48. to convert or adjust a modulating furnace gas valve Factory burners are suitable for both gases L P and Natural Burner re placement is not required when the furnace is converted for use with L P gas AFE18 60A DUAL FUEL ACCESSORY When installing the modulating furnace with a heat pump the preferred installation would include a communicating thermostat A communicating thermostat provides control of gas heat and heat pump operation and eliminates the need for a separate dual fuel control A legacy dual fuel thermostat could also be used with 24 volt wiring to con trol the gas furnace and heat pump If a communicating thermostat or legacy dual fuel thermostat are not used the AFE18 60A kit must be added to provide control of the equipment This control is mounted indoors near the fur nace and providesterminals for thermostat furnace and heat pump wiring The AFE18 60A may be used with or without a separate outdoor thermostat OT18 60A OUTDOOR THERMOSTAT For use in a legacy dual fuel installation to lock out the heat pump at a selected temperature CFSB17 21 24 COUNTER FLOW BASE The CFSB base must be used when installing a CVC97 fur nace in the vertical position on a combustible floor without a coil under the furnace LIGHTING INSTRUCTIONS FOR YOUR SAFETY LIRE AVANT DE METTRE READ BEFORE OPERATING EN MARCHELIRE WARNI NG If you do not follow these instructions AVERTISSEMENT Quiconque ne respecte
49. valve by Honeywell The valve is energized by the inte grated furnace control on a call for heat wired in series through the front cover pressure switch The fir ing rate percentage is determined by the negative pres sure created by the operation of the draft inducer The gas valve is factory set and non adjustable in the field Do not remove the seal covering the regulator screws or at tempt to adj ust either of the regulator screws Even though the modulating gas valve is non adjustable in the field gas industry procedure dictates that the installing ser vicing technician should know that the appliance is oper ating as designed before leaving newly installed or ser viced equipment The gas valve is equipped with 1 8 NPT fittings to access both the inlet and manifold gas pres sures To do a manifold gas pressure check the furnace can be operated in field test mode This mode will quickly bringthe furnace up to high fire To enter field test mode during a call for heat pressthe fault recall button twice within a five second period when the dual seven segment displays show Ft press the fault recall button again to enter field test mode The furnace will stay in field test for five minutes or until the call for heat is satisfied Gas valve orientation must be such that the switch is facing out towards the front of the furnace 5 304 CHECKING INDUCTOR COIL Wired in series with 34 and 1 HP ECM motors the inductor coil conditionst
50. vent systems The vent kit must terminate outside the structure This kit is NOT intended for use with single pipe indirect vent installations Side Wall Only Concentric Vent Kit For use with 96 modulating furnace models This kit is to be used with 2 vent systems The vent kit must terminate outside the structure This kit is NOT intended for use with single pipe indirect vent installation LP Gas Low Pressure Kit Designed for application on Goodman and Amana Brand s 80 and 90 single stage two stage and modulating furnaces converted to LP gas The kit monitors gas line pressure with a pressure switch and will open the circuit to the gas valve if the LP tank pressure gets low LP Conversion Kit Converts a 34 5 modulating furnace to operate on L P gas The kit contains an L P gas valve and a set of six L P orifices Drain Coupling Kit For use when the drain vent elbow has been removed in a horizontal left installation This kit prevents condensate from getting in the inducer and routes the condensate to a drain ACCESSORIES jeg M sowy ea 20319 y sowy Bunenpon 20319 1e1souuau 10315 10004 Burdno9 eseqqns 921 xt0H19 U01 99 01d HUE L d7 X jeis
51. vertical or horizontal vent termination The illustrations give a brief view of the kit and its application Strap Combustion Air Vent Field Supplied 4 5 d Vent ush to 1 maximum 45 Elbow Combustion Air Field Supplied DCVK Horizontal Installation DCVK 20 amp DCVK 30 are also Known as CVENT 2 amp CVENT 3 See the section in this manual under Vent Flue and Com bustion Air Pipe Terminations for more information or consult the Installation and Operating Instructions 10 619 Vent Maintain 12 18 for Canada minimum clearance above highest anticipated snow level Maximum of Combustion Air 24 above roof Roof Boot Flashing Field Supplied Mees Support Field Supplied 45 Elbow __ Field Supplied DCVK Vertical Installation ACCESSORIES SIDE WALL VENT KIT 0170 000005 This side wall only vent kit 0170K00000S is to be used with 2 3 vent systems This kit is NOT intended for use with single pipe non direct vent installations The vent kit must terminate outside the structure and may be installed with the intake and exhaust pipes located side by side or with one pipe above the other See the section in this manual under Vent Flue and Com bustion Air Pipe Terminations for more information or consult the Installation Instructions 10 635 SIDE WALL VENT
52. 005 A COMPARTMENT DOOR SWITCH OPEN WHEN DOOR OPEN MVM97 A CVM97 A DISCONNECT TO 115VAC 1 160 HZ 115 1 2 60HZ POWER SUPPLY WITH OVERCURRENT PROTECTION DEVICE GND WARNING DISCONNECT POWER BEFORE SERVICING WIRING TO UNIT MUST BE PROPERLY POLARIZED AND GROUNDED N POWER SUPPLY WITH OVERCURRENT PROTECTION DEVICE WARNING DISCONNECT POWER BEFORE SERVICING WIRING TO UNIT MUST BE PROPERLY POLARIZED AND GROUNDED SWITCH INDUCTOR COIL ON SOME MODELS FUSEGA mn gs 1 AUTO RESET AUXILIARY LIMIT EN O VDC 3 6 12 2 SNOILO3NNOO 1V LSOWH3HL PRESS S 11 WOH Ave _____ cna TR 9 4 x 1 1 CAT lex 2 1 3 INTEGRATED CONTROL MODULE LOW VOLTAGE FIELD LOW VOLTAGE 24V HI VOLTAGE 115V HI VOLTAGE FIELD JUNCTION TERMINAL INTERNAL TO INTEGRATED CONTROL PLUG CONNECTION HOT SURFACE HIGH FIRE E N TO UNIT MUST BE JUNCTION BOX INDOOR AIR JINON 1OH1NOO Q31V3931NI IGNITER NEUTRAL TRANSFORMER 24 VAC AUTO RESET PRIMARY LIMIT CONTROL RE Ww PRESS OW SWITCH NO 4 N WITCH MANUAL RESET ROLLOUT LIMIT CONTROLS NO FRONT COVER PRESS SWITCH INDOOR AIR CIRCULATOR BLWR EQUIPMENT GND FIELD GND FIELD SPLICE SWITCH TEMP IGNITER SWITCH PRESSURE OVERCURRENT PROT
53. 1 Y2 Alurinized Steel EAC terminal HUM IN HUM OUT terminals Left or Right First revision of 34 5 modulating up flow furnace MODEL ACVM97 Equipment Type Heating Stages Cooling Stages Control Type Blower Motor Type ACVM97 Installation Positions BTUH Input Range X 1000 A C Capable Tons Cabinet Hight Cabinet Width Heating 100 Firing Rate ECM Motor H P Draft Inducer Gas Valve 24 VAC Heating I nputs 24 VAC Cooling Inputs Primary Heat Exchanger Accessory Terminals Gas Line Entry Revision Attributes MODEL GCVM97 Equipment Type Heating Stages Cooling Stages Control Type Blower Motor Type GCVM97 Installation Positions REV AA Amana Brand Residential Gas Furnace Modulating 35 100 of rated input Two ClimateT alk or Conventional 24 Volt 4 Wire Variable Speed ECM 0603BN 0803BN 0804CN 1005CN CF Hor UR CF Hor UR CF Hor L R CF Hor L R 21 60 28 80 28 80 35 100 15 3 15 3 2 4 2 5 34 5 34 5 34 5 34 5 17 5 17 5 21 21 950 1146 1325 1779 3 Variable Speed 24 VAC Modulates by Pneumatic signal W1 W2 Y1 Y2 Stainless Steel EAC terminal HUM IN HUM OUT terminals Left or Right First revision of 34 5 modulating counter flow furnace REV AA Goodman Brand Residential Gas Furnace Modulating 35 100 of rated input Two ClimateT alk or Conventional 24 Volt 4 Wire Variable Speed ECM 0603BN 0803BN 0804 1005 CF L R CF Hor L R C
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55. 50 000 Btuh 15 kW kW K Clearance to a mechanical 6 ft 1 83 m 3 ft 91 cm above if within Clearance to permanently air supply inlet 10 ft 3 m horizontally Slosed window L Clearance above paved sidewalk or 7 ft 2 13 t z D Vertical clearance to ventilated soffit paved driveway located on public located above the terminal within a property horizontal distance of 2 feet 61 cm from the center line of the terminal M Clearance under veranda porch 12 in 30 cm deck balcony E Clearance to unventilated soffit 5 1 In accordance with the current CSA B149 1 Natural Gas and Propane Installation Code F Clearance to outside corner A G Clearance to inside corner 2 In accordance with the current ANSI 2223 1 NFPA 54 National Fuel Gas Code Hs io eactiside of center height T5 ft t A vent shall not terminate directly above a sidewalk or paved driveway that is located between two single fanily dwellings and serves line extended above meter regulator 4 5 m above the meter regulator both dwellings assembly assembly Permitted only if veranda porch deck or balcony is fully open on a minimum of two sides beneath the floor For clearances not specified in 4 5 2223 1 54 or CSA B149 1 the following statement shall be included Clearance in accordance wtih local installation codes and the requirements of the gas supp
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57. ALIFIED INSTALLER SERVICER AGENCY OR THE GAS SUPPLIER WARNING IF THE INFORMATION IN THESE INSTRUCTIONS IS NOT FOLLOWED EXACTLY A HRE OR EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE PERSONAL INJURY OR LOSS OF LIFE DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS AND LIQUIDS IN THE VIONITY OF THIS OR ANY OTHER APPLIANCE WHATTO DO IF YOU SMELL GAS DO NOT TRY TO LIGHT ANY APPLIANCE DO NOT TOUCH ANY ELECTRICAL SWITCH DO NOT USE ANY PHONE IN YOUR BUILDING IMMEDIATELY CALL YOUR GAS SUPPLIER FROM A NEIGHBOR S PHONE FOLLOW THE GAS SUPPLIER S INSTRUCTIONS YOU CANNOT REACH YOUR GAS SUPPLIER CALL THE FIRE DEPARTMENT INSTALLATION AND SERVICE MUST BE PERFORMED BY A QUALIFIED INSTALLER SERVICE AGENCY OR THE GAS SUPPLIER warnine THIS PRODUCT CONTAINS OR PRODUCES CHEMICAL OR CHEMICALS WHICH MAY CAUSE SERIOUS ILLNESS OR DEATH AND WHICH ARE KNOWN TO THE STATE OF CALIFORNIA TO CAUSE CANCER BIRTH DEFECTS OR OTHER REPRODUCTIVE HARM WARNING HEATING UNIT SHOULD NOT BE UTILIZED WITHOUT REASONABLE ROUTINE INSPECTION MAINTENANCE AND SUPERVISION IF THE BUILDING IN WHICH ANY SUCH DEVICE IS LOCATED WILL BE VACANT CARE SHOULD BE TAKEN THAT SUCH DEVICE IS ROUTINELY INSPECTED MAINTAINED AND MONITORED IN THE EVENT THAT THE BUILDING MAYBE EXPOSED TO FREEZING TEMPERATURES AND WILL BE VACANT ALL WATER BEARING PIPES SHOULD BE DRAINED THE BUILDING SHOULD BE PROPERLY WINTERIZED AND THE WATER SOURCE
58. B10259 216 warnine SHOULD OVERHEATING OCCUR OR THE GAS SUPPLY SHUT OFF TURN OFF THE MANUAL GAS SHUTOFF VALVE EXTERNAL TO THE FURNACE BEFORE TURNING OFF THE ELECTRICAL SUPPLY WARNING POSSIBLE PROPERTY DAMAGE PERSONAL INJURY OR DEATH DUE TO FIRE EXPLOSION SMOKE SOOT CONDENSATION ELECTRICAL SHOCK OR CARBON MONOXIDE MAY RESULT FROM IMPROPER INSTALLATION REPAIR OPERATION OR MAINTENANCE OF THIS PRODUCT PRODUCT DESIGN Electrostatic Discharge ESD Precautions NOTE Discharge your body s static electricity before touch ing unit An electrostatic discharge can adversely affect electrical components Use the following precautions during furnace installation and servicing to protect the integrated control module from damage By puttingthe furnace the control and the per son at the same electrostatic potential these steps will help avoid exposing the integrated control module to elec trostatic discharge This procedure is applicable to both installed and non installed ungrounded furnaces 1 Disconnect all power to the furnace Do not touch the integrated control module or any wire connected to the control prior to discharging your body s elec trostatic charge to ground 2 Firmly touch a clean unpainted metal surface of the furnaces near the control Any toolsheld ina person s hand during grounding will be discharged 3 Service integrated control module or connecting wir ing following the disc
59. BA an accessory transformer is available Four wires are required between the door unit and thermostat NOTE Use of the CTKO transformer is recommended if installing a dual fuel fossil fuel system Failure to use the transformer in the outdoor unit could result in over loading of the furnace transformer OPERATION 17 Stace CONVENTIONAL THERMOSTAT for cooling is signaled by e R powering Y1 and simultaneously e R powering Y1 and simultaneously compressor and condenser fan are energized di rectly from the Y1 terminal from the thermostat e The circulator is energized after cool fan on delay e Ifthe 2 Stage Cooling DIP switch is set to ON then circulator will run at low cooling speed with Y1 request e OFF then circulator will run at high cooling speed with Y1 request a 2 request will be ignored circulator will operate according to one of the selectable ramping profiles e When the cool request is satisfied the circulator is de energized per one of the selectable ramping pro files 2 STAGE CONVENTIONAL THERMOSTAT e 2 Stage Cooling DIP switch on the IFC must be ON to enable 2 stage cooling control with a conven tional thermostat e Acallfor 2 stage cooling is signaled by the shorting of R to Y2 while a valid call for first stage cooling exists e After the cool fan on delay the circulator is
60. CKING FLAME ROLLOUT CONTROL 54 313 5 303 INDUCED DRAFT BLOWER MOTOR 54 S 304 CHECKING MODULATING GAS 54 314 5 304 CHECKING INDUCTOR 54 CHECKING MAIN BURNERS 55 CHECKING ORIFICES sis terere 55 CHECKING GAS PRESSURE 55 CHECKING HOT SURFACE 56 CHECKING FOR FLASHBACK 56 CHECKING PRESSURE 56 HIGH ALTITUDE APPLICATION 57 CHECKING FOR DELAYED IGNITION 57 CHECKING INTEGRATED IGNITION CONTROL BOARDS esso tn nnn 57 CHECKING FLAME SENSOR 58 51 SERVICING S 1 CHECKING VOLTAGE HIGH VOLTAGE Disconnect ALL POWER BEFORE SERVICING OR CHANGING ANY ELECTRICAL WIRING MULTIPLE POWER SOURCES MAY BE PRESENT FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE PERSONAL INJURY OR DEATH 1 Remove the blower door to gain entry to the J unction Box 2 Remove cover from the J unction Box and gain access to incoming power lines With Power ON LINE VOLTAGE NOW PRESENT 3 Using a voltmeter measure the voltage across the hot and neutral connections Line voltage should measure 115 10 Measure from black hot to ground should also read 115 volts 10 Measuring from white neu tral to ground should read 0 vol
61. CLOSED IN THE EVENT THAT THE BUILDING MAY BE EXPOSED TO FREEZING TEMPERATURES AND WILL BE VACANT ANY HYDRONIC COIL UNITS SHOULD BE DRAINED AS WELL AND IN SUCH CASE ALTERNATIVE HEAT SOURCES SHOULD BE UTILIZED 12 varie TO PREVENT POSSIBLE PROPERTY DAMAGE PERSONAL INJURY OR DEATH DUE TO ELECTRICAL SHOCK THE FURNACE MUST BE LOCATED PROTECT THE ELECTRICAL COMPONENTS FROM WATER DANGER PELIGRO Se CARBON MONOXIDE POISONING HAZARD Special Warning for Installation of Furnace or Air Handling Units in Enclosed Areas such as Garages Utility Rooms or Parking Areas Carbon monoxide producing devices such as an automobile space heater gas water heater etc should not be operated in enclosed areas such as unventilated garages utility rooms or parking areas because of the danger of carbon monoxide CO poisoning resulting from the exhaust emissions If a furnace or air handler is installed in an enclosed area such as a garage utility room or parking area and a carbon monoxide producing device is operated therein there must be adequate direct outside ventilation This ventilation is necessary to avoid the danger of CO poisoning which can occur if a carbon monoxide producing device continues to operate in the enclosed area Carbon monoxide emissions can be re circulated throughout the structure if the furnace or air handler is operating in any mode CO can cause serious illness including permanent brain damage or death
62. D BE PRESENT E5 OPEN FUSE EG LOW FLAME SIGNAL E7 IGNITER FAULT OR IMPROPER GROUNDING E8 HIGH STAGE PRESSURE SWITCH STUCK CLOSED AT START OF HEATING CYCLE E9 HIGH STAGE PRESSURE SWITCH STUCK OPEN EA REVERSED 115 VAC POLARITY EC INDUCER MOTOR OVERCURRENT FAULT Ed ROLLOUT SWITCH OPEN EF AUXILIARY INPUT OPEN F CONTINUOUS FAN Ft FIELD TEST MODE H X INDICATES GAS HEAT FOLLOWED BY PERCENTAGE OF DEMAND HI HIGH HEAT 100 IF INTERNAL FAULT CLIMATETALK COMPRESSOR HEATING CONVENTIONAL COMPRESSOR HEATING WHEN 1 STAGE COMPRESSOR IS SET UP pq CONVENTIONAL 1 STAGE COMPRESSOR HEATING WHEN 2 STAGE COMPESSOR IS SET UP p2 CONVENTIONAL 2 STAGE COMPRESSOR HEATING WHEN 2 STAGE COMPESSOR IS SET UP 5 OF HIGH HEAT 64 Wiring Diagram ID BLOWER MODULATING PRESSURE SWITCH ASSEMBLY HOT SURFACE IGNITER HIGH FIRE PRESSURE SWITCH LOW FIRE PRESSURE SWITCH BR PM 1 GY ci 9 FRONT COVER PRESSURE SWITCH 2 CIRCUIT CONNECTOR o z MODULATING GAS VALVE HONEY WELL ipis SENSOR MANUAL RESET ROLLOUT LIMIT CONTROLS SINGLE CONTROL ON 40 kBTU AUTO RESET PRIMARY OR LIMIT CONTROL 3 2 1 BURNER COMPARTMENT iple Mult 5155 15 INDUCED DRAFT BLOWER ing th tall BLOWER COMPARTMENT AUTO RESET AUXILIARY LIMIT CONTROL Icing or ins JINON 1OH1NOO G31V4931NI
63. DAMAGE PERSONAL INJURY OR DEATH MAY OCCUR IF THE CORRECT CONVERSION KITS ARE NOT INSTALLED THE APPROPRIATE KITS MUST BE APPLIED TO ENSURE SAFE AND PROPER FURNACE OPERATION ALL CONVERSIONS MUST BE PERFORMED BY A QUALIFIED INSTALLER OR SERVICE AGENCY Gas Pipinc CONNECTIONS A WARNING AVOID POSSIBLE UNSATISFACTORY OPERATION OF EQUIPMENT DAMAGE DUE UNDERHRING OR EQUIPMENT USE THE PROPER SIZE OF NATURAL PROPANE GAS PIPING NEEDED WHEN RUNNING PIPE FROM THE METER TANK TO THE FURNACE When sizing a trunk line be sure to include all appliances which will operate simultaneously when sizing trunk line The gas piping supplying the furnace must be properly sized based on the gas flow required specific gravity of the gas and length of the run The gas line installation must comply with local codes or in their absence with the latest edition of the National Fuel Gas Code NFPA 54 ANSI 2223 1 27 OPERATION Natural Gas Capacity of Pipe In Cubic Feet of Gas Per Hour CFH Nominal Black Pipe Size Length of 0 0 0 0 0 60 0 Pressure 0 5 psig or less and pressure drop of 0 3 W C Based 0 60 Specific Gravity Gas BTUH Furnace Input Heating Value of Gas BTU Cubic Foot connect the furnace to the building s gas piping the staller must supply a ground joint union drip leg manual shutoff valve and line and fittings to connect to gas valve In some cases the i
64. DEVICE Wiring is subject to change Always refer to the wiring diagram on the unit for the most up to date wiring 65
65. F Hor L R CF Hor L R BTUH Input Range X 1000 21 60 28 80 28 80 35 100 A C Capable Tons 15 3 15 3 2 4 2 5 Cabinet Hight 34 5 34 5 34 5 34 5 Cabinet Width 17 5 17 5 21 21 Heating 9 100 6 Firing Rate 950 1146 1325 1779 ECM Motor H P Draft Inducer Variable Speed Gas Valve 24 VAC Modulates by Pneumatic signal 24 VAC Heating nputs W1 W2 24 VAC Cooling I nputs Y1 Y2 Primary Heat Exchanger Aluminized Steel Accessory Terminals Gas Line Entry Revision Attributes EAC terminal HUM IN HUM OUT terminals Left or Right First revision of 34 5 modulating counter flow furnace PRODUCT IDENTIFICATION MODEL DESCRIPTION Fossil Fuel Kit The 18 60 control is designed for use where the indoor is located above downstream of a gas or fossil fuel furnace when used with a heat pump It will operate with single and two stage heat pumps and single and two stage furnaces The AFE18 60A control will turn the heat pump unit off when the furnace is turned on An anti short cycle feature initiates a 3 minute timed off delay when the compressor goes off P1251305F P1251306F P1251307F P1251308F Media Air Cleaner For use with current architectural grey Goodman and Amana Brand 96 variable speed modulating furnace models The Amana AMU and Goodman GMU Media Air Cleaner is a high efficiency air filtration device designed to remove dirt dust pollen and other microscopic particles from th
66. GROUND MAY RESULT IN PRODUCT DAMAGE PERSONAL INJURY OR DEATH GOODMAN WILL NOT BE RESPONSIBLE FOR ANY INJURY OR PROPERTY DAMAGE ARISING FROM IMPROPER SERVICE OR SERVICE PROCEDURES IF YOU INSTALL OR PERFORM SERVICE ON THIS UNIT YOU ASSUME RESPONSIBILITY FOR ANY PERSONAL INJURY OR PROPERTY DAMAGE WHICH MAY RESULT MANY JURISDICTIONS REQUIRE A LICENSE TO INSTALL OR SERVICE HEATING AND AIR CONDITIONING EQUIPMENT A warning HIGH VOLTAGE Disconnect ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT MULTIPLE POWER SOURCES MAY BE PRESENT FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE PERSONAL INJURY OR DEATH IMPORTANT INFORMATION IF THE INFORMATION IN THESE INSTRUCTIONS IS NOT FOLLOWED EXACTLY A FIRE EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE PERSONAL INJURY OR LOSS OF LIFE DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS AND LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE WHAT TODO IF YOU SMELL GAS e DO NOT TRY TO LIGHT ANY APPLIANCE e DO NOT TOUCH ANY ELECTRICAL SWITCH DO NOT USE ANY PHONE IN YOUR BUILDING IMMEDIATELY CALL YOUR GAS SUPPLIER FROM A NEIGHBOR S PHONE FOLLOW THE GAS SUPPLIER S INSTRUCTIONS F YOU CANNOT REACH YOUR GAS SUPPLIER CALL THE FIRE DEPARTMENT INSTALLATION AND SERVICE MUST BE PERFORMED BY A QUALIFIED INSTALLER SERVICE AGENCY OR THE GAS SUPPLIER SHOULD OVERHEATING OCCUR OR THE GAS SUPPLY FAIL TO SHUT OFF TURN OFF THE MANUAL GAS SHUTOFF VALVE EXTERNAL TO THE FURNACE
67. Heating with Single Stage Cooling IMPORTANT NOTE TO APPLY A SINGLE STAGE HEATING THERMOSTAT THE THERMOSTAT SELECTOR SWITCH ON THE INTEGRATED CONTROL MODULE MUST BE SET ON SINGLE STAGE CO 9 2 O 99 0 606 9 4010 NE TDehumidistat Remote Ey Optional Furnace Integrated Control Module Condensing Unit Single Stage Cooling Thermostat Two Stage Heating with Single Stage Cooling O OO 0 0 69 EE T Remote Furnace Integrated Control Module Condensing Unit Two Stage Cooling Thermostat Two Stage Heating with Two Stage Cooling Thermostat Wiring Diagrams IMPORTANT NOTE SET DIP SWITCH 14 TO ON POSITION WHEN USING 2 STAGE COOLING THERMOSTAT 25 OPERATION THERMOSTAT APPLICATION The modulating furnace be operated with CTKO1 com municating thermostat or a CTK02 CTK03 or CTK04 com municating modulating thermostat It also facilitates op eration with a non communicating single or two stage heat cool thermostat NOTE switch 13 Heating thermostat selection must be checked and set regardless of the thermostat chosen Factory setting is OFF single stage thisisalsothe correct position if using CTK02 CTK03 and CTK04 thermostats To use a CTK01 or a non communicating two stage thermo stat set the switch to the ON position Operation with CTK03 amp CTK04 1 Humid
68. IBE LINES OUTLINING DUCT FLANGES Duct Flange Cut Outs When a cooling coil is installed with the furnace it must be installed in the supply air to avoid condensation from occuring in the heat exchanger When the furnace is installed without a cooling coil it is recom mended that a removable access panel be provided inthe out let airduct This opening shall be accessible when the furnace is installed and shall be of such a size that the heat exchanger can be viewed for visual light inspection or such that a sam pling probe can be inserted into the airstream The access panel must be made to prevent air leaks when the furnace isin operation When the furnace is heating the temperature of the return air entering the furnace must be between 55 F and 100 F Fitters Reap Tuis SECTION BEFORE INSTALLING THE RETURN Duct work Filters must be used with this furnace Discuss filter mainte nance with the building owner Filters do not ship with this furnace but must be provided sized and installed externally by the installer Filters must comply with UL900 or CAN ULCS111 standards If the furnace is installed without filters the war ranty will be voided On upflow units guide dimples locate the side return cutout locations Use a straight edge to scribe lines connecting the dimples Cut out the opening on these lines NOTE An under sized opening will cause reduced airflow AIR FLOW CENTRAL RETURN _ GRILLE 2 SIDE RETURN
69. IPE MEN ACCEPTABLE y x E TRANSITION NO LESS THAN 45 DEGREES HORIZONTAL PLANE AVOID CREATING WATER TRAP IN VENT PIPING NO TRANSITION ON THIS CREATES WATER TRAP AND RESTRICTS FLUE GASES HORIZONTAL PLANE MVM97 CVM97 Direct Vent 2 Pipe and Non Direct Vent 1 Pipe Maximum Allowable Length of Vent Flue Pipe amp Combustion Air Pipe ft 27 2 3 5 Unit Pipe Size Number of Elbows Input Btu in 0 1 2 3 6 7 8 2 60 000 250 245 240 235 220 215 210 or 21 2 2 80 000 250 245 240 235 220 215 210 or21 2 80 000 3 250 243 236 229 208 201 194 2 100 000 90 85 80 75 60 55 50 or21 2 100 000 3 250 243 236 229 208 201 194 2 120 000 75 70 65 60 45 40 35 or21 2 120 000 3 220 213 206 199 178 171 164 Maximum allowable limits listed on individual lengths for inlet and flue and NOT combination Minimum requirement for each vent pipe is five 5 feet in length and one elbow tee Tee used in the vent flue termination must be included when de termining the number of elbows in the piping system 2 1 2 or 3 diameter pipe can be used in place of 2 diameter pipe Increased Clearance Configurations using 2 45 deg Elbows should be considered equivalent to one 90 deg elbow One 90 elbow should be secured to the combustion air intake connection 21 PRODUCT DESIGN
70. KIT 0170 000015 This side wall only vent kit 0170K00001S is to be used with 2 vent systems This kit is NOT intended for use with single pipe non direct vent installations The vent kit must terminate outside the structure and may be installed with the intake and exhaust pipes located side by side or with one pipe above the other See the section in this manual under Vent Flue and Com bustion Air Pipe Terminations for more information or consult the Installation Instructions 10 805 Horizontal Installation Vertical Installation 0 LOW LP GAS PRESSURE SHUT OFF KIT Installation of the LPLPO3 kit is recommended on every LP converted furnace to protect the furnace against low LP gas supply pressure Low LP supply pressure can cause poor combustion and carbon in the heat exchanger The LPLPO3 kit will open the electrical circuit to the gas valve in the event of low supply pressure The kit contains a pressure switch gas fittings and electrical harness to connect the switch in series with the gas valve 10 LPM 09 LP CONVERSION KIT This furnace isfactory equipped to operate on Natural Gas but may be field converted to operate on LP gas To con vert a MVM97 or CVM97 furnace to operate on LP gas the LPM 09 conversion kit must be used The LPM 09 kit contains a modulating gas valve ready for use with LP gas as well asa set of 1 25 mm orificesto replace the factory installed natural gasorifices Do not attempt
71. M check from common terminal to NO Nor mally Open should read open If switch reads as above proceed to Step 4 otherwise replace control 4 Remove the pressure control hose from the control and interconnect with an inclined manometer as shown in the following figure Low amp High Pressure Switch Assembly Modulating Gas Valve Front Cover Pressure Switch To Ee Le beat Le Modulating Furnace Pneumatic Tubing Diagram Upflow Model Shown For representation only Actual unit may vary in appearance S 311 HIGH ALTITUDE APPLICATION Modulating furnaces are approved up to 10 000 ft al titude No kit or changes are needed S 312 CHECKING FOR DELAYED IGNITION Delayed ignition is a delay in lighting a combustible mix ture of gas and air which has accumulated in the combus tion chamber When the mixture does ignite it may explode and or rollout causing burning in the burner venturi If delayed ignition should occur the following should be checked 1 Improper gas pressure adj ust to proper pressure See 5 307 CHECKING GAS PRESSURE 2 Improper burner positioning burners should be in locating slots level front to rear and left to right 3 Carry over lighter tube or cross lighter obstructed clean 4 Main burner orifice s deformed or out of alignment to burner replace S 313 CHECKING TROL BOARDS NOTE Failure to earth ground the fur
72. NNECTION WHEN SERVICING CONTROLS WARING ERRORS CAN CAUSE IMPROPER AND DANGEROUS OPERATION VERIFY PROPER OPERATION AFTER SERVICING Wirinc HARNESS The wiring harness is an integral part of this furnace Field alteration to comply with electrical codes should not be re quired Wires are color coded for identification purposes Refer to the wiring diagram for wire routings If any of the original wire as supplied with the furnace must be replaced it must be replaced with wiring material having a temperature rating of at least 105 C Any replacement wiring must be a copper conductor 23 115 Line Connections Before proceeding with electrical connections ensure that the supply voltage frequency and phase correspond to that speci fied on the unit rating plate Power supply to the furnace must be NEC Class 1 and must comply with all applicable codes The furnace must be electrically grounded in accordance with local codes or in their absence with the latest edition of The National Electric Code ANSI NFPA 70 and or The Canadian Electric Code CSA C22 1 Use a separate fused branch electrical circuit containing prop erly sized wire and fuse or circuit breaker The fuse or circuit breaker must be sized in accordance with the maximum overcurrent protection specified on the unit rating plate An electrical disconnect must be provided at the furnace loca tion Connect hot neutral and ground wires as s
73. RATING The line pressure supplied to the gas valve must be within the range specified below The supply pressure can be measured at the gas valve inlet pressure boss or at a hose fitting installed in the gas piping drip leg The supply pressure must be measured with the burners operating To measure the gas supply pres sure use the following procedure ATMOSPHERE CONNECTION B is FLOW i DIRECTION Honeywell Model VR9205R 34 2 em 2 PIN POWER CONNECTOR Manometer pes Open to Hose Atmosphere Inlet Pressure Tap 1 8 NPT Manometer Outlet Pressure ae H N Honeywell Model VR9205R Connected to Manometer 1 Turn OFF gas to furnace at the manual gas shutoff valve external to the furnace 2 Connect acalibrated water manometer or appropri ate gas pressure gauge at either the gas valve inlet pressure boss or the gas piping drip leg See Honeywell VR9205R gas valve figure for location of in let pressure boss NOTE If measuring gas pressure at the drip leg or Honeyw
74. RIC CODE 4 24 Line voltage connections be made through either the right or left side panel The furnace is shipped configured for right side electrical connection To make electrical connec tions through the opposite side of the furnace the junction box must be relocated the left side prior to making electri cal connections To relocate the junction box perform the following steps 1 Remove the burner compartment door 2 Remove and save the two screws securing the j unc tion box to the side panel 3 Relocate junction box and associated plugs and grom mets to opposite side panel Secure with screws re moved in step 2 A WARNING TO AVOID THE RISK OF INJURY ELECTRICAL SHOCK OR DEATH THE FURNACE MUST BE ELECTRICALLY GROUNDED IN ACCORDANCE WITH LOCAL CODES OR IN THEIR ABSENCE WITH THE LATEST EDITION OF THE NATIONAL ELECTRICAL CODE To ensure proper unit grounding the ground wire should run from the furnace ground screw located inside the furnace junc tion box all the way back to the electrical panel NOTE Do not use gas piping as an electrical ground To confirm proper unit grounding turn off the electrical power and perform the following check 1 Measure resistance between the neutral white con nection and one of the burners 2 Resistance should measure 10 ohms or less This furnace is equipped with a blower door interlock switch which interrupts unit voltage when the blower door
75. RTANT INFORMATION Pride and workmanship go into every product to provide our customers with quality products It is possible however that during its lifetime a product may require service Products should be serviced only by a qualified service technician who 15 familiar with the safety procedures required the repair and who is equipped with the proper tools parts testinginstrumentsandthe appropriate service manual REVIEW ALL SERVICE INFORMATION IN THE APPROPRIATE SERVICE MANUAL BEFORE BEGINNING REPAIRS IMPORTANT NOTICES FOR CONSUMERS AND SERVICERS 2 SAFETY SYMBOLS WORDS AND LABELS THIS UNIT SHOULD NOT BE CONNECTED TO OR USED IN CONJUNCTION WITH ANY DEVICES THAT ARE NOT DESIGN CERTIFIED FOR USE WITH THIS UNIT OR HAVE NOT BEEN TESTED AND APPROVED BY GOODMAN SERIOUS PROPERTY DAMAGE OR PERSONAL INJURY REDUCED UNIT PERFORMANCE AND OR HAZARDOUS CONDITIONS MAY RESULT FROM THE USE OF DEVICES THAT HAVE NOT BEEN APPROVED OR CERTIFED BY GOODMAN INSTALLATION AND REPAIR OF THIS UNIT SHOULD BE PERFORMED ONLY BY INDIVIDUALS MEETING THE REQUIREMENTS OF AN ENTRY LEVEL AT MINIMUM AS SPECIFIED BY THE AIR To PREVENT THE RISK OF PROPERTY DAMAGE PERSONAL INJURY OR DEATH CONDITIONING HEATING AND REFRIGERATION INSTITUTE AHRI DO NOT STORE COMBUSTIBLE MATERIALS OR USE GASOLINE OR OTHER ATTEMPTING TO INSTALL OR REPAIR THIS UNIT WITHOUT SUCH FLAMMABLE LIQUIDS OR VAPORS IN THE VICINITY OF THIS APPLIANCE BACK
76. Service Instructions 97 Modulating Gas Furnaces 34 5 Chassis ACVM AMVM GCVM GMVM amp Accessories This manual is to be used by qualified professionally trained HVAC technicians only Goodman does RS6612009 not assume any responsibility for property damage or personal injury due to improper service August 2014 procedures or services performed by an unqualified person Amana isa registered trademark of Maytag Corporation or its related companies and is used under license to Goodman Company L P Houston TX All rights reserved Copyright 2014 Goodman Company L P TABLE OF CONTENTS IMPORTANT INFORMATION 2 3 OPERATIONAL CHECKS 48 49 PRODUCT IDENTIFICATION 4 7 MAINTENANCE 50 ACCESSORIES sidesaxutertdiekxiris roris 8 10 SERVICING TABLE OF 5 51 LIGHTING INSTRUCTIONS eee cee omi p cece 52 58 PRODUCT DESIGN 14 23 TROUBLESHOOTING iiie es 59 63 OPERATION T voie Pbi 24 46 STATUS CODES iore re ex eren es 64 SERVICE AND 1 47 WIRING 65 IMPO
77. ace at the manual shutoff valve and disconnect manometer Reinstall plug before turning on gasto furnace 6 Turn OFF any unnecessary gas appliances stated in step 3 Gas Line Gas Shutoff Valve Drip Leg Cap With Fitting T1 Manometer Manometer Measuring Inlet Gas Pressure Alt Method Gas PRESSURE MEASUREMENT TO PREVENT UNRELIABLE OPERATION OR EQUIPMENT DAMAGE THE GAS MANIFOLD PRESSURE MUST BE AS SPECIFIED ON THE UNIT RATING PLATE GAS VALVE IS FACTORY SET AND DOES NOT REQUIRE ANY FELD ADJUSTMENT DO NOT ATTEMPT TO ADJUST VALVE The manifold pressure must be measured with the burners operating To measure the manifold pressure use the following procedure 1 Turn OFF gas to furnace at the manual gas shutoff valve external to the furnace 2 Turn off all electrical power to the system 3 Outlet pressure tap connections Remove the outlet pres sure boss plug Install an 1 8 NPT hose barb fitting into the outlet pressure tap 4 Attach a hose and manometer to the outlet pressure barb fitting 5 Turn ON the gas supply 6 Turn on power and close thermostat R and W1 con tacts to provide a call for low stage heat 7 Modulating furnaces light at 80 of max input For natu ral gas the expected manifold pressure at ignition will be in a range of 1 8 2 5 WC For LP gas the range will be 5 8 6 8 WC NOTE Measure the gas manifold pr
78. alling the drain system Refer to the following sections for specific details concerning furnace drain trap installation and drain hose hook ups e The drain trap supplied with the furnace must be used The draintrap must be primed at time of installation e The drain line between furnace and drain location must meet local and nation codes The drain line between furnace and drain location must maintain a 1 4 inch per foot downward slope toward the drain Donottrapthe drain line in any other location than at the draintrap supplied with the furnace e Ifthe drain line isrouted through an area which may see temperatures near or below freezing precautions must be taken to prevent condensate from freezing within the drain line e lfanair conditioning coil isinstalled with the furnace common drain may be used An open tee must be in stalled in the drain line near the cooling coil to relieve positive air pressure from the coil s plenum Thisis nec essary to prohibit any interference with the function of the furnace s drain trap Electrical Connections warnine HIGH VOLTAGE TO AVOID THE RISK OF ELECTRICAL SHOCK WIRING THE UNIT MUST BE POLARIZED AND GROUNDED warnine HIGH VOLTAGE TO AVOID PERSONAL INJURY OR DEATH DUE TO ELECTRICAL SHOCK DISCONNECT ELECTRICAL POWER BEFORE SERVICING OR CHANGING ANY ELECTRICAL WIRING LABEL ALL WIRES PRIOR TO DISCO
79. alve and a set of gas orifices Although the gas valve is ready to use with L P gas be sure not to remove the tape from the regulator screws Do not change or adjust the gas valve regulator springs Pressure Switch M Manifold Pressure Id Pressure peewee Low i Stage Stage Change 0 10 000 Propane LPM 09 125M M2 10 0 w c 2 6 w c None NOTE In Canada gas furnaces are only certified to 4500 feet Vent Flue Pipe amp Combustion Air Pipe warnine FAILURE TO FOLLOW THESE INSTRUCTIONS CAN RESULT IN BODILY INJURY OR DEATH CAREFULLY READ AND FOLLOW ALL INSTRUCTIONS GIVEN IN THIS SECTION Proper VENT FLUE AND Air PIPING PRACTICES Adhere to these instructions to ensure safe and proper furnace performance The length diameter and number of elbows of the vent flue pipe and combustion air pipe when applicable affects the performance of the furnace and must be carefully sized All piping must be installed in accordance with local codes and the insttaltion manual shipped with the furnace Piping must be adequately secured and supported to prohibit sagging joint separation and or detachment from the fur nace Horizontal runs of vent flue piping must be supported every three to five feet and must maintain a 1 4 inch per foot downward slope back towards the furnace to properly return condensate to the furnace s drain system PRODUCT DESIGN PREFERRED TRANSITION MADE IN VERTICAL SECTION OF P
80. cal assistance line for dealers CONSUMER INFORMATION LINE AMANA BRAND PRODUCTS TOLL FREE 1 877 254 4729 U S only email us at hac consumer affairs amanahvac com fax us at 731 856 1821 Not a technical assistance line for dealers Outside the U S call 1 713 861 2500 Not a technical assistance line for dealers Your telephone company will bill you for the call PRODUCT IDENTIFICATION T PRODUCT TYPE FURNACE TYPE OR G Goodman V Variable Speed REVISION Brand CABINET Initial Release Amana WIDTH Brand 17 1 2 21 D 24 1 2 MINOR REVISION NOMINAL INPUT A Initial Release 060 60 000 Btuh 080 80 000 Btuh 100 100 000 Btuh 120 120 000 Btuh ADDITIONAL FEATURES SUPPLY TYPE N Natural Gas M Upflow Horizontal X Low NOx C Downflow Horizontal AFUE 97 9796 AIRFLOW COMMUNICATION FEATURE M Modulating Furnace 4 Wire Communication Ready PRODUCT IDENTIFICATION MODEL AMVM97 Equipment Type Heating Stages Cooling Stages Control Type Blower Motor Type AMMMB7 Installation Positions BTUH Input Range X 1000 CCapable Tons Cabinet Hight Cabinet Width Heating 100 Firing Rate ECM Motor H P Draft Inducer Gas Valve 24 VAC Heating Inputs 24 VAC Cooling Inputs Primary Heat Exchanger Accessory Terminals Gas Line Entry Revision Attributes MODEL 97 Equipment Type Hea
81. can be left on the control board recom mended or removed once equipment is powered down again Safety Circuit Description A number of safety circuits are employed to ensure safe and proper furnace operation These circuits serve to control any potential safety hazards and serve as inputs in the monitoring and diagnosis of abnormal function These circuits are continu ously monitored during furnace operation by the integrated con trol module INTEGRATED Furnace The integrated control module isan electronic device which if a potential safety concern is detected will take the necessary precautions and provide diagnostic information through an LED display Primary Limit The primary limit control is located on the partition panel and monitors heat exchanger compartment temperatures It isa normally closed electrically automatic reset temperature ac tivated sensor The limit guards against overheating as a re sult of insufficient conditioned air passing over the heat ex changer Auxiuiary Limit The auxiliary limit controls are located on or near the circulator blower and monitors blower compartment temperatures They are anormally closed electrically auto reset sensors These limits guard against overheating as a result of insufficient con ditioned air passing over the heat exchanger The rollout limit controls are mounted on the burner manifold assembly and monitor the burner
82. ck for 120 volts to the control and check the transformer and its associated wiring If this step is successful give the control a call for heat and wait five 5 seconds or until the furnace goes into lockout If the con trol detects a failure it will now be shown on the diagnostic indicator light display Refer to the Abnormal Operation section in the Sequence of Operation section of this manual for more detail on failure codes The indicator light display may be viewed by looking through the sight glass in the blower compartment door The failure codes are retrieved via an on board momen tary push button switch Pressing the button for 2 5 sec onds will force the failure codes to be displayed on the diagnostic indicator 57 SERVICING S 314 CHECKING FLAME SENSOR A flame sensing device is used in conjunction with the ig nition control module to prove combustion If proof of flame is not present the control will de energize the gas valve and retry for ignition or lockout A warnine HIGH VOLTAGE Disconnect ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT MULTIPLE POWER SOURCES MAY BE PRESENT FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE PERSONAL INJURY OR DEATH Flame signal is continuously monitored by the IFC flame rod flame rod wire and proper grounding are all 58 critical to proving the presence of flame Because of the design of the Honeywell flame proving system reading flame signal with a
83. combustible material other than wood flooring Communicating Thermostat Kit Digitally communicating touchscreen thermostat a necessary part of any communicating system Designed for use with compatible Brand or Goodman Brand Air Handlers or Furnaces and outdoor split AC or Heat Pump units This thermostat supports up to three stages of heat two CTKO1AA stages of cooling dual fuel applications dehumidification filter maintenance reminders outdoor temperature display and advanced menus including diagnostics The CTKO1AA kit includes a communicating touchscreen thermostat and sub base 230V 24V 40va transformer terminal blocks 2 wire jumpers mounting screws installation manual and homeowner guide stages of cooling dual fuel applications dehumidification filter maintenance reminders outdoor temperature display and advanced menus including diagnostics The CTKO1BA kit includes a communicating touchscreen Communicating Thermostat Kit Digitally communicating touchscreen thermostat a necessary part of any communicating system Designed for use with compatible Brand or GoodmanQ Brand Air Handlers CTKO1BA or Furnaces and outdoor split AC or Heat Pump units This thermostat supports up to three stages of heat two thermostat and sub base terminal blocks 2 mounting screws installation manual and homeowner guide Communicating Thermostat Kit Digitally communicating thermostat a necessary part of any co
84. d when using a CTK0 communicating thermostat Switches 5 amp 6 Select continuous fan speed A B C or D Factory setting is B 5 ON 6 OFF These selections are based off of percentages of the maximum CFM that each model furnace is rated for A 25 B 50 C 75 D 100 These switches are ignored when using a CTK0 communi cating thermostat Switches 7 amp 8 Select cooling ramping profiles A B C or D Factory setting is A both switches down in the OFF position Each ramping profile provides a different routine for the indoor blower motor to follow in a call for cooling Rather than bringing the motor up to cooling speed imme diately ramping profiles bringthe motor up to cooling speed in stages 38 NOTE Reductions in CFM for ramping are not added to re ductions in CFM for DEHUM Example CFM is reduced for the fist several minutes of a cooling call by 1596 if a call for DEHUM is present during this CFM reduction CFM will not be reduced by another 15 Rather after the ramping time period has expired the CFM would continue at the 1596re duction to satisfy the DEHUM request These switches are ignored when using a CTKO communicating thermostat Switches 9 amp 10 Select CFM Trim Adjustment Choices are 0 10 10 Factory settingis A Trim adjustments add or subtract from the CFM selections made by heat and cool CFM selections Trim adjustments affect cooling and heating fan speeds These switchesare ignored when using
85. d a EO code dis played the dual 7 segment display If the furnace lock out it will or can be reset in any of the following ways 1 Automatic reset The integrated control module will auto matically reset itself and attempt to resume normal opera tionsfollowing a one hour lockout period 2 Manual power interruption Interrupt 115 volt power to the furnace 3 Manual thermostat cycle Lower the thermostat so that there is no longer a call for heat for 1 20 seconds then reset to previous setting NOTE If the condition which originally caused the lockout still exists the control will return to lockout Refer to the Troubleshooting Codes for aid in determining the cause 49 MAINTENANCE Maintenance warnine AVOID ELECTRICAL SHOCK INJURY OR DEATH DISCONNECT ELECTRICAL POWER BEFORE PERFORMING ANY MAINTENANCE IF YOU MUST HANDLE THE IGNITER HANDLE WITH CARE TOUCHING THE IGNITER ELEMENT WITH BARE FINGERS ROUGH HANDLING OR VIBRATION COULD DAMAGE THE IGNITER RESULTING IN PREMATURE FAILURE ONLY A QUALIRED SERVICER SHOULD EVER HANDLE THE IGNITER ANNUAL INSPECTION The furnace should be inspected by a qualified installer or ser vice agency at least once per year This check should be per formed at the beginning of the heating season This will ensure that all furnace components are in proper working order and that the heating system functions appropriately Pay particular attention to th
86. d being greater than the gas air flow velocity coming from a burner port Flashback may occur at the moment of ignition after a burner heats up or when the burner turns off The latter is known as extinction pop Since the end results of flashback and delayed ignition can be the same burning in the burner venturi a definite at tempt should be made to determine which has occurred If flashback should occur check for the following 1 Improper gas pressure adjust to proper pressure See S 307 CHECKING GAS PRESSURE 2 Check burner for proper alignment and or replace burner 3 Improper orifice size check orifice for obstruction 5 310 CHECKING PRESSURE CONTROL The pressure control isa safety device to prevent the com bustion cycle from occurring with inadequate venting caused by restricted or blocked vent pipe the modulating fur nace Also on the modulating furnaces there is a pressure control that will prevent the combustion cycle from occur ring with inadequate condensate drainage due to a partial or blocked recuperator coil or drain A warnine HIGH VOLTAGE Disconnect ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT MULTIPLE POWER SOURCES MAY BE PRESENT FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE PERSONAL INJURY OR DEATH 1 Remove burner compartment door to gain access to pressure switch es 2 Remove wires from the pressure switch es electrical terminals SERVICING 3 Using a VO
87. de of opening 1 ft 300 m above opening K Clearance to a mechanical ft 1 83 m 3 ft 91 cm above if within air supply inlet 10 ft 3 m horizontally L Clearance above paved sidewalk or ft 2 13m 1 7 ft 2 13m paved driveway located on public property Clearance under veranda porch 12 in 30 cm t deck or balcony In accordance with the current CSA B149 1 Natural Gas and Propane Installation Code 2 In accordance with the current ANS 2223 1 NFPA 54 National Fuel Gas Code A vent shall not terminate directly above a sidewalk or paveable driveway that is located between two single family dwellings and serves both dwelling Permitted only if veranda porch deck or balcony is fully open on a minimum of two sides beneath the floor For clearances not specified in ANSI 2223 1 NFPA 54 or CSA B149 1 the following statement shall be included Clearance in accordance wtih local installation codes and the requirements of the gas supplier and the manufacturer s installation instruction PRODUCT DESIGN Condensate Drain Lines amp Drain Trap condensing gas furnace achievesits high level of efficiency by extracting heat from the products of combustion to the point where condensation takes place The condensate must be col lected in the furnace drain trap and routed to an appropri ate drain location in compliance with local and national codes Follow the bullets listed below when inst
88. di rectly on carpeting or any other combustible material The only combustible material allowed is wood A special accessory subbase must be used for upright counterflow unit installations over any combustible ma terial including wood Refer to subbase instructions for installation details NOTE subbase will not be quired if an air conditioning coil is located beneath the furnace between the supply air opening and the combus tible floor Exposure to contaminated combustion air will result in safety and performance related problems Do not install the furnace where the combustion air is exposed to the following substances permanent wave solutions chlorinated waxes or cleaners chlorine based swimming pool chemicals water softening chemicals deicing salts or chemicals carbon tetrachloride halogen type refrigerants cleaning solutions such as perchloroethylene printing inks paint removers varnishes hydrochloric acid cements and glues antistatic fabric softeners for clothes dryers and masonry acid washing materials Isolate a non direct furnace from an area contami nated by any of the above substances This protects the non direct vent furnace from airborne contaminants To ensure that the enclosed non direct vent furnace has an adequate supply of combustion air vent from a nearby uncontaminated room or from outdoors Refer to the Combustion and Ventilation Air Requirementsfor details If the furnace is used
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90. e amp frequency Features of the IFC Aux Terminals Located next to the low voltage connector there are two terminals labeled aux in amp aux out Afactory jumper is installed between these two terminals As an op tion the jumper may be removed and the terminals wired up to a normally closed float switch The switch must be closed for normal operation If the switch is sensed open the IFC will Terminate a call for gas heat e When the modulating furnace is installed with a com municating thermostat and a non communicating a c unit the IFC will open the Y1 relay to turn off the condensing unit e Logand display an auxiliary open error code e the auxiliary switch re closes the IFC reverts back to normal operation Hum Terminals A pair of HUM terminals are located on the board to power a humidifier These are dry contacts rated at 1 amp Atypical application of these contacts would be to supply one of the Hum contacts with power from the L1 terminal and connect the remaining Hum terminal to humidifier transformer primary When used with the CTK02 CTK03 and CTK04 thermostats these contacts will close with a call for humidity and the furnace indoor blower will be powered at continuous fan speed When used with a 24 volt control system the Hum contacts will close on a call for heat when the induced draft blower is powered Terminal EAC terminal is provided Any time the indoor blower motor i
91. e air passing through it Flexible performance range up to 2 000 CFMcapacity The air cleaner should be installed in the system so that all the system air is circulated through the air cleaner The air cleaner will only remove the airborne contaminants delivered to it Maximum performance is obtained when the system blower is set for continuous operation Carbon filters optional are available Electronic Air Cleaner For use with current architectural grey Goodman and Amana Brand 96 variable speed modulating furnace models The High Efficiency Electronic Air Cleaner is designed to remove air contaminants down to 01 microns Carbon filters optional remove odors Dual indicator lights show unit operation at a glance Electronic proving switch cycles the air cleaner On Off with the system fan Durable powder coat paint finish resists corrosion Counterflow Subbase Kit For use with Goodman amp Amana Brand modulating 34 5 furnace models These kits are available for the following furnace widths 17 5 wide CFSB17 21 wide CFSB21 and 24 N A wide CFSB24 The kits mustbe used to prevent excessive temperature from reaching combustible materials P1251301F P1251302F P1251303F P1251304F if the furnace is installed on a combustible floor This subbase effectively separated the furnace base and plenum from combustible materials To ensure safe installation do not install the counterflow floor base directly on carpeting tile or other
92. e following items Repair or service as neces sary Flue pipe system Check for blockage or leakage Check the outside termination and the connections at and internal to the furnace e Heat exchanger Check for corrosion and or buildup within the heat exchanger passageways e Burners Check for proper ignition burner flame and flame signal e Drainage system Check for blockage and or leakage Check hose connections at and internal to furnace e Wiring Check electrical connections for tightness and or corrosion Check wires for damage Filters 50 FILTERS ENSURE PROPER UNIT PERFORMANCE ADHERE TO THE ALTER SIZES GIVEN IN THE RECOMMENDED MINIMUM FALTER SIZE TABLE OR SPECICATION SHEET APPLICABLE TO YOUR MODEL FILTER MAINTENANCE Improper filter maintenance is the most common cause of in adequate heating or cooling performance Filters should be cleaned permanent or replaced disposable every two months or as required BURNERS Visually inspect the burner flames periodically duringthe heat ing season Turn on the furnace at the thermostat and allow several minutesfor flamesto stabilize since any dislodged dust will alter the flames normal appearance Flames should be stable quiet soft and blue dust may cause orange tips but they must not be yellow They should extend directly outward from the burners without curling floating or lifting off Flames must not im
93. e is heating Provide provisions for venting combustion products out doors through a proper venting system Special consid eration should be given to vent flue pipe routing and combustion air intake pipe when applicable Refer to Vent Flue Pipe and Combustion Air Pipe Termination Locations for appropriate termination locations and to determine if the piping system from furnace to termina tion can be accomplished within the guidelines given NOTE The length of flue and or combustion air piping can be a limiting factor in the location of the furnace Locate the furnace so condensate flows downwards to the drain Do not locate the furnace or its condensate drainage system in any area subject to below freezing temperatures without proper freeze protection Refer to Condensate Drain Lines and Trap for further details Ensure adequate combustion air is available for the fur nace Improper or insufficient combustion air can ex pose building occupantsto gas combustion productsthat could include carbon monoxide Refer to Combustion and Ventilation Air Requirements Set the furnace on a level floor to enable proper conden sate drainage If the floor becomes wet or damp at times placethe furnace above the floor on a concrete base sized approximately 1 1 2 larger than the base of the fur nace Refer to the Horizontal Applications and Consid erations for leveling of horizontal furnaces Ensure upflow or horizontal furnaces are not installed
94. ectrique de l appareil 4 This appliance is equipped with an ignition 4 Cet appareil menager etant dote d un systeme device which automatically lights the burner d allumage automatique ne pas essayer Do not try to light the burner by hand allumer le br leur manuellement 5 Push the gas control leverto OFF Position 5 Pousse le levier du contrOle du gaza DFF ARRET Do not force position 6 five 5 minutes to clear out any gas Then 6 Attendre cinq 5 minutes pour laisser echapper tout le gaz Renifler tout autour de l appareil y compris pr s du plancher pour d celer une odeur de gaz Si c est le cas ARRETEZ Passer l etape des instructions de securite MANUEL EN POS sur la portion superieure de cette etiquette S il n y a pas d odeur de gaz passer l et pe suivante smell for gas including near the floor If you then smell gas STOP Follow B in the safety information above on this label if you don t smell gas go to next step 7 Push gas control lever is 7 Pousse le levier du contr le du gaz ON MARCHE to ON position 8 Replace access panel gt 8 Remettre en place le panneau d acc s 9 Turn on all electric ARRIVEE 9 Mettre l appareil sous tension power to the appliance DU GAZ 10 R gler le thermostat a la temp rature d sir e 10 Set thermostat to desired setting 11 Si l appareil ne se met pas en marche suivre les 11
95. ed through a wall or roof This kit allows a single N A penetration to support terminations for both the vent flue and the combustion air intake pipe The DCVK 20 2 and DCVK 30 3 kits are certified for models listed above See specification sheets on future models for use of the vent kit Dehumidistat For use with Goodman amp Amana Brand two stage variable speed modulating furnace models Wall mounted 24 volt humidity control available as a Dehumidistat used to reduce the airflow in the air SPI 122780 conditioning mode when necessary to lower the humidity in an occupied home to prevent dew build up associated with high humidity levels This control features a moisture sensitive nylon element and also provides positive ON OFF settings for manual operation The control is a normally closed switch that opens on humidity rise causing the blower to switch to a lower speed to control the humidity within the structure External Filter Rack Kit For use with Goodman and Amana Brand 97 upflow variable speed MVM 34 5 modulating gas furnaces This kitis intended to provide a location external to the furnace casing for installation of a permanent filter The rack is mounted over the indoor air blower compartment area of either side panel and provide filter retention as well as a location for attaching return air ductwork Side Wall Only Concentric Vent Kit For use with 96 modulating furnace models This kitis to be used with 2 3
96. eet Nominal Pipe Size Schedule 40 Tubing Size O D Type L c0 300 700 1 300 2200 3 300 1 00 3 100 20 60 1200 1200 2 900 1 200 2600 125 20 490 900 1400 2300 90 2100 To convert to capacities at 15 psig settings multiply by 1 130 To convert to capacities at 5 psig settings multiply by 0 879 Gas Piping Chart 1 Sizing Between Second or Second Stage Regulator amp Appliance Maximum Propane Capacities listed are based on 1 2 W C pressure drop at 11 W C setting Capacities in 1 000 BTU hour Nominal Pipe Size igi Schedule 40 1 12 a 275 5 3 30 3 a 1 2 wje ajo m o ola 567 1 071 46 189 393 732 1 496 152 315 590 1 267 504 297 448 217 409 o S 1 20 49 181 129 03 114 91 5 res 346 724 1 066 90 ce 12 69 146 275 567 866 72 109 63 132 252 511 787 Le Dre Lee lue Le 250 8 17 36 eo 48 100 185 390 590 Data accordance with NFPA pamphlet 54 OJN a 129 60 190 100 e 2 m m olz d Diolwlwlolwlrlalol ls IS E e aN IR IRIS lalnin s Propane Gas Piping Chart Il Circulating Air amp Filters Duct work Air Flow warni
97. ell VR9205R gas valve a field supplied hose barb fitting must be installed prior to making the hose connection 3 Turn ON the gas supply and operate the furnace and all other gas consuming appliances on the same gas supply line Field Test Mode is intended to help a service person troubleshoot and check out an installed appliance To enter Field Test Mode the Fault Recall Push Button must be pressed twice within a 5 second period at any time during a heating cycle at which time the display will show Ft While the display is showing Ft press ing and holding the Fault Recall Push Button for 3 sec onds will enable the field test mode and override the normal firing rate sequence at a rate of 100 for 5 min utes or until the end of the call for heat The display will show the normal Hi while the control isfiring at 100 If the Fault Recall Push Button has not been pressed within 5 seconds of displaying Ft the display will revert back to normal OPERATION 4 Measure furnace gas supply pressure with burners firing Supply pressure must be within the range specified in the Inlet Gas Supply Pressure table Inlet Gas Supply Pressure Natural Gas Minimum 4 5 w c Maximum 10 0 w c Propane Gas Minimum 11 0 w c Maximum 13 0 w c If supply pressure differs from table make the necessary ad justments to pressure regulator gas piping size etc and or consult with local gas utility 5 Turn OFF gasto furn
98. emoved wire connections made to the plug and replaced Multiple wiresimust be twisted together prior to inserting into the plug connector Failure to do so may result in intermittent operation 18 AWG thermostat wire may be used to wire the sys tem components One hundred 100 feet is the maximum length of wire between indoor unit and outdoor unit or be tween indoor unit and thermostat Wire runs over 100 feet require larger gauge wire Four Wire INpooR AND OutDoor WIRING Typical ComfortNet wiring will consist of four wires between the indoor unit and outdoor unit and between the indoor unit and thermostat The required wires are a data lines 1 and 2 b thermostat R 24 VAC hot and C 24 VAC common CTKO 1 2 R C Thermostat ComfortNet Compatible Furnace Integrated Control Module ComfortNet Compatible AC HP Integrated Control Module System Wiring using Four Wires Two Wire Ourpoon Four Wire InDoor WIRING Two wirescan be utilized between the indoor and outdoor units For this wiring scheme only the data lines 1 and 2 are needed between the indoor and outdoor units 40VA 208 230 to 24VAC transformer must be installed in the outdoor unit to pro vide 24VAC power to the outdoor unit s electronic control The transformer is included with the CTK03 and CTK04 kits See kit instructions for mounting and wiring instructions If using a CTK02 or CTKO1
99. ener gized at the low cooling speed when the 1 stage cool request is detected and switchesto high cooling speed immediately after the 274 stage cool request is de tected e The circulator will be controlled according to the se lected ramping profile e When the cool requests are satisfied the circulator is de energized per the selected ramping profile COOLING OPERATION WITH A COMMUNICATING THERMOSTAT AND CONVENTIONAL SINGLE STAGE The call for cooling will be communicated via the ClimateTalk protocol e The Yl terminal of the IFC becomes an output via the on board 1 relay e The IFC does not provide short cycle protection e circulator operates as commanded by the com municating thermostat COOLING OPERATION WITH A COMMUNICATING THERMOSTAT AND e The furnace receives the CFM demand from the com municating outdoor unit Catt FoR Coot witH CALL FoR Heat PRESENT DuaL FUEL Derrost OPERATION e While in defrost the standard light off sequence will be followed The IFC will then fire at 100 for the remainder of the defrost call While in defrost the circulator will use the selected heat speed Fan CONVENTIONAL THERMOSTAT Two seconds after G request becomes active without Y1 request IFC will run the circulator at the appropriate speed as selected by the DIP switches unless circulator is run ning asa result of Heat or Cool mode The circulator speed required by
100. es NOT require any field adjustment Do NOT attempt to adj ust valve Turn off all electrical power and gas supply to the sys tem 10 Remove the manometer hose from the hose barb fit ting Remove the 1 8 NPT hose barb fitting from the outlet pressure tap Replace the outlet pressure boss plug and seal with a high quality thread sealer 12 Turn on electrical power and gas supply to the system 1 35 OPERATION 13 Close thermostat contacts R and W1 W2 to ener gize the valve Using a leak detection solution or soap suds check for leaks at outlet pressure boss plug Bubbles forming indicate a leak SHUT OFF GAS AND REPAIR ALL LEAKS IMMEDIATELY NOTE For natural gasto LP conversion consult the furnace Specification Sheet Manifold Gas Pressure Gm Nomina Gas INPUT RATE MEASUREMENT Naturat Gas The gas input rate to the furnace must never be greater than that specified on the unit rating plate To measure natural gas input using the gas meter use the following procedure 1 Turn OFF the gas supply to all other gas burning ap pliances except the furnace 2 Whilethe furnace is operating time and record one complete revolution of the smallest gas meter dial 3 Calculate the number of seconds per cubic foot sec ft of gas being delivered to the furnace If the dial is a one cubic foot dial divide the number of sec onds recorded in step 2 by one If the dia
101. essure with the burn ers firing After every time the main power is turned off and back on the furnace will enter a calibration rou tine on the next call for heat The inducer will ramp up and down duringthe calibration routine After calibra tion the furnace will proceed to ignition cycle Furnace PRESSURES NATURAL GAS L P GAS 35 5 WC 35 1 2 WC 50 9 WC 50 2 5 WC 60 1 25 WC 60 3 7 WC 70 1 70 WC 70 5 0 WC 80 2 20 WC 80 6 5 WC 90 2 80 WC 90 8 0 WC 100 3 50 WC 100 10 0 WC Field Test Mode is intended to help a service person troubleshoot and check out an installed appliance by bringing the furnace up to High fire 100 input by passing the normal modulating routine To enter Field Test Mode the Fault Recall Push Button must be pressed twice within a 5 second period at any time during a heating cycle at which time the display will show Ft While the display is showing Ft press ing and holding the Fault Recall Push Button for 3 sec onds will enable the field test mode and override the normal firing rate sequence at rate of 100 for 5 min utes or until the end of the call for heat The display will show the normal Hi while the control isfiring at 100 If the Fault Recall Push Button has not been pressed within 5 seconds of displaying Ft the display will re vert back to normal NOTE Gasvalve isfactory set and do
102. evel A tight seal should be made between the furnace base and floor by using a silicone rubber caulking compound or cement grout e Counterflow Installation over a combustible floor If in stallation over a combustible floor becomes necessary use an accessory subbase see Specification Sheet ap plicable for your model for details A special accessory subbase must be used for upright counterflow unit in stallations over any combustible material including wood Refer to subbase instructions for installation details Follow the instructions with the subbase for proper in stallation Do not install the furnace directly on carpeting tile or other combustible material other than wood flooring NOTE The subbase will not be required if an air condi tioning coil is installed between the supply air opening onthe furnace and the floor Furnace Components Heat Exchanger Assembly The primary heat exchanger is a tubular type constructed of high quality steel 409 stainless steel for Amana Brand aluminized for Goodman the heat exchanger assembly con sists of primary and secondary sections crimped together on a back transition plate The secondary heat exchanger is a single pass coil consisting of AL29 4C stainless steel tubes and aluminum fins These stainless steel tubes are expanded on to the aluminum fins to enhance heat trans fer Each tube in the secondary heat exchanger contains an internal turbulator to effectively scrub heat from the
103. fer to the bullet points below for a description of each ramping profile Verify CFM by noting the num ber displayed on the dual 7 segment LED display Profile A provides only an OFF delay of one 1 minute at 100 of the cooling demand airflow 100 _ __ 100 OFF OFF Cooling Demand gt lt 1 min Profile ramps up to full cooling demand airflow by first stepping up to 50 of the full demand for 30 seconds The motor then ramps to 100 of the required airflow A one 1 minute OFF delay at 100 of the cooling airflow is pro vided 100 CFM 100 50 4 1 2 min Demand Profile C ramps up to 85 the full cooling demand air flow and operatesthere for approximately 7 1 2 minutes The motor then steps up tothe full demand airflow Profile C also has a one 1 minute 100 OFF delay 100 CFM 100 OFF 85 7 1 2 Cooling Demand 1 min 37 Profile Dramps up to 50 of the demand for 1 2 minute then ramps to 85 of the full cooling demand airflow and operates there for approximately 7 1 2 minutes The mo tor then steps up to the full demand airflow Profile Dhas a 1 2 minute at 50 airflow OFF delay OFF 250 CFM 85 CFM 100
104. ference ComfortNet System OVERVIEW NOTE DIP switch 13 MUST be set to match thermostat type To use the CTK01 communicating thermostat DIP switch 13 must be set to ON position This is also the correct setting for a non communicating 2 stage thermo stat To use the CTK02 amp CTK04 modulating ther mostat check to make sure switch 13 is in the OFF position factory position Thisisalso the correct position when using a non communicating single stage thermostat ComfortNet system is a system that includes ComfortNet compatible furnace and air conditioner or heat pump with a CTKO thermostat A valid ComfortNet system could also be a compatible furnace CTKO communicating single stage air conditioner Any other system configurations are considered invalid ComfortNet systems and must be connected as a tradi tional or non communicating system see Electrical Connec tionsfor wiring connections A ComfortNet heating air conditioning system differs from a non communicating traditional system in the manner in which the indoor unit outdoor unit and thermostat interact with one another In a traditional system the thermostat sends com mands to the indoor and outdoor units via analog 24 VAC sig nals Itisa one way communication path in that the indoor and outdoor unitstypically do not return information to the thermo stat The indoor unit outdoor unit and thermostat comprising
105. following figures for proper connections to the integrated control module Low voltage connections can be made through either the right or left side panel Thermostat wiring entrance holes are located inthe blower compartment The following figure shows connec tions for a heat cool system This furnace is equipped with a 40 VA transformer to facilitate use with most cooling equipment Consult the wiring diagram located on the blower compartment door for further details of 115 Volt and 24 Volt wiring NOTE Use of ramping profiles requires a between Yl and O IMPORTANT NOTE THERMOSTAT R REQUIRED IF OUTDOOR UNIT IS EQUIPPED WITH A COMFORT ALERT MODULE OR IF THE OUTDOOR UNIT IS A PART OF THE COMFORTNET FAMILY OF EQUIPMENT 5 83508 999999999997 er EN za 24 V THERMOSTAT CONNECTIONS AUX Low Voltage Connections with Auxiliary Terminals The auxiliary contacts are shipped with a factory installed jumper As an option the auxiliary contacts may be wired to a normally closed float switch In the event of open con tacts the furnace will be disabled until the condition is cor rected These are 24 volt terminals fed internally do not apply another voltage source to these terminals IA OOOO 00 9 6969 rate S es L My Dehumidistat Optional Remote Condensing Unit Single Stage Cooling Thermostat Single Stage
106. fur nace integrated control module terminals 2 Remove the thermostat low voltage wires at the fur nace control panel terminal board 3 Jumper terminals R to W on the integrated ignition control With Power On and Door Interlock Switch closed NOTE For this test DIP switch 13 must be in OFF posi tion LINE VOLTAGE NOW PRESENT 4 Induced Draft Motor must run and pull in pressure switch 5 If the hot surface ignitor heats and at the end of the ignitor warm up period the gas valve opens and the burners ignite the trouble the thermostat or wiring 6 With power off check the continuity of the thermo stat and wiring Repair or replace as necessary If checking the furnace in the air conditioning mode proceed as follows 7 With power off J umper terminals R to Y or Y1 or Y2 for two stage models to G 8 Turn on the power 9 If the furnace blower motor starts and the condens ing unit runs then the trouble the thermostat or wiring Repair or replace as necessary 10 After completing check and or repair of wiring and check and or replacement of thermostat reinstall blower compartment door SERVICING 11 Turn electrical power and verify proper unit opera tion S 3B HEATING ANTICIPATOR CYLCE RATE Older heating thermostats may have an adjustable antici pator Thisis a wire wound adjustable heater which is en ergized during the ON cycle to help prevent overheati
107. g furnace is available in the following nominal capacities capacities 60 000 BTUH 3 ton drive 80 000 BTUH 3 ton drive 80 000 BTUH 4 ton drive 100 000 BTUH 5 ton drive CVM970603BN CVM970803BN CVM970804CN CVM971005CN Product Description Features General Information The modulating furnace is part of the Goodman brand amp Amana brand family of communicating ready products The furnace may be used with conventional single or multi stage thermostats as well as Goodman CTK01 communi cating thermostats amp CTK02 CTK03 and CTK04 commu nicating modulating thermostats using the ClimateTalk communicating protocol Burner manifold pressure is con trolled by negative air pressure created by the draft in ducer Gas valve pressure switch assembly and induced draft blower are linked together by pneumatic tubing The furnace features a Honeywell gas valve capable of variable gas input rates as low as 35 and up to 100 of rated input Indoor air is delivered by a variable speed ECM mo tor which bases the CFM need off of the burner input The modulating furnace operation is based off of negative pres sure created by the draft inducer The Integrated Furnace Control IFC receives commands from the room thermo stat The IFC then controls the RPM of the 3 phase in ducer by varyingthe frequency and voltage to the inducer This is known as variable frequency drive VFD Acceptable Equipment Combinations
108. gas furnace and heat pump installation which uses an outdoor temperature sensor to determine the most cost effi cient means of heating heat pump or gas furnace heat pump thermostat with three stages of heat is required to properly use a two stage furnace in conjunction with a heat pump Refer to the fossil fuel kit installation instructions for additional thermostat requirements Strictly follow the wiring guidelines the fossil fuel kit installa tion instructions All furnace connections must be made to the furnace two stage integrated control module and the FURNACE terminal strip on the fossil fuel control board 115 Line CONNECTION ACCESSORIES HUMIDIFIER AND ELECTRONIC Air CLEANER RNING HIGH VOLTAGE TO AVOID PERSONAL INJURY OR DEATH DUE TO ELECTRICAL SHOCK DISCONNECT ELECTRICAL POWER BEFORE SERVICING OR CHANGING ANY ELECTRICAL WIRING ili The furnace integrated control module is equipped with line voltage accessory terminals for controlling power to an elec tronic air cleaner The accessory load specificationsare asfollows The furnace control board also has a set of dry contacts for humidifier connection 1 0 120 Electronic Air Cleaner 1 0 Amp maximum at 120 Turn OFF power to the furnace before installing any accesso ries Follow the humidifier or air cleaner manufacturers in structions for locating mounting
109. gh the Post purge and perform the Calibration routine immediately error code E9 isflashed until calibration routine is successful e High Pressure Switch check takes place during the Calibration routine If the switch is stuck open or closed calibration will not be completed and the ap propriate error code will be logged and displayed Hot Surface Igniter Operation The IFC energizes a relay to control the line voltage Hot Surface Igniter The HSI warm up time will be fixed for all ignition trials Both the continuity of the igniter and the ability of the relay to energize the igniter are continuously monitored during the Igniter Warm up and Ignition Activa tion Periods ECM Motor An Emerson UltraTech four wire indoor fan motor pro vides supply air to the conditioned space Thisisthe same motor used on Goodman amp Amana previous generation com municating furnaces The ECM motor consists of two sections 1 motor body containing 3 phase motor windings 2 Anelectronic control module end bell In the event of a non operating motor the following items should be checked There are two harnesses which connect the blower motor to the IFC The line voltage 5 Pin har ness provides 115 volts directly off of the IFC L1 and neu tral terminals on hp ECM motors On furnaces with 3 4 and 1 HP ECM motors L1 is fed to the motor through an inductor coil The inductor coil conditions the power supply to the motor smoothing out
110. harge process in step 2 Use caution not to recharge your body with static elec tricity i e do not move or shuffle your feet do not touch ungrounded objects etc If you come in contact with an ungrounded obj ect repeat step 2 be fore touching control or wires 4 Discharge your body to ground before removing a new control from its container Follow steps 1 through 3 if installing the control on a furnace Re turn any old or new controlstotheir containers be fore touching any ungrounded obj ect warnine TO PREVENT PROPERTY DAMAGE PERSONAL INJURY OR DEATH DUE DO NOT INSTALL THIS FURNACE IN A MOBILE HOME TRAILER OR RECREATIONAL VEHICLE Introduction This is a Category IV furnace This furnace uses a pressur ized venting system and must be installed per National and local codes requirements and the installation manual that was shipped with the furnace Our 34 5 modulating furnace is one of the products in our newly redesigned line of shorter chassis furnaces It comes in two models an up flow horizontal model and a down flow horizontal model The up flow horizontal 34 5 modulating furnace is avail able in the following nominal capacities 60 000 BTUH ton drive 80 000 BTUH ton drive 80 000 BTUH 4 ton drive 100 000 BTUH 5 ton drive 120 000 BTUH 5 ton drive MVM970603BN MVM970803BN MVM970804CN MVM971005CN MVM971205DN The down flow horizontal 34 5 modulatin
111. he power supply to the motor smoothing out spikes and electrical noise With voltage applied to one side of the inductor coil the output voltage to the motor should be the same as incoming voltage SERVICING S 305 CHECKING MAIN BURNERS The main burners are used to provide complete combus tion of various fuels in a limited space and transfer this heat of the burning process to the heat exchanger Proper ignition combustion and extinction are primarily due to burner design orifice sizing gas pressure pri mary and secondary air vent and proper seating of burn ers Depending on the size of the furnace each furnace will havefrom three to five inshot burners Burners are pre cisely constructed of aluminized steel and designed to pro vide proper ignition and flame stability When converting a modulating furnace to L P gas the factory installed burn ers must be replaced by burnersthat come in the L P kit Disconnect ALL Gas AND ELEcTRICAL POWER SUPPLY In checking main burners look for signs of rust oversized and undersized carry over ports restricted with foreign material etc refer to Beckett Burner drawing 025 002 Beckett Burner S 306 ORIFICES fixed gas orifice is used in all Goodman brand amp Amana brand furnaces That is an orifice which has a fixed bore and position as shown in the following drawing No resizing should be attempted until all factors are taken into considera
112. hown in the wiring diagram located on the unit s blower door For direct vent applications the cabinet openingto the junction box must be sealed air tight using either an UL approved bushing such as Heyco Liquid Tight or by applying non reactive UL approved sealant to bushing Line polarity must be observed when making field connec tions Line voltage connections can be made through either the right or left side panel The furnace is shipped configured for a right side left side for counterflows electrical connec tion with the j unction box located inside the burner compart ment To make electrical connections through the opposite side of the furnace the junction box must be relocated to the other side of the burner compartment prior to making electri cal connections To relocate the junction box follow the steps shown below NOTE Wire routing must not to interfere with circulator blower operation filter removal or routine maintenance Junction Box RELOCATION WARNING EDGES OF SHEET METAL HOLES MAY BE SHARP USE GLOVES AS A PRECAUTION WHEN REMOVING HOLE PLUGS warnine TO PREVENT PERSONAL INJURY OR DEATH DUE TO ELECTRIC SHOCK DISCONNECT ELECTRICAL POWER BEFORE INSTALLING OR SERVICING THIS UNIT warnine HIGH VOLTAGE TO AVOID THE RISK OF INJURY ELECTRICAL SHOCK OR DEATH THE FURNACE MUST BE ELECTRICALLY GROUNDED IN ACCORDANCE WITH LOCAL CODES OR IN THEIR ABSENCE WITH THE LATEST EDITION OF THE NATIONAL ELECT
113. hu midistat call for dehumidification Thiscan be done through an independent dehumidistat or through a thermostat s DEHUM terminal if available This lower blower speed enhances dehu midification of the conditioned air as it passes through the AC coil For proper function a dehumidistat applied to thisfurnace must operate on 24 VAC and utilize a switch which opens on humidity rise Refer to the Thermostat Wiring Diagrams figure for additional wiring details To install connect a dehumidistat 1 Turn OFF power to furnace 2 Secure one dehumidistat lead to the terminal marked DEHUM on the furnace integrated control module 26 3 Secure the other dehumidistat lead to the terminal marked R on the furnace integrated control module 4 Secure the dehumidistat ground wire typically the green lead to the ground screw on the furnace junction box NOTE Ground wire may not be present on all dehumidistats 5 Turn ON power to furnace To enable the dehumidify function on the integrated control module set the dehumidification ENABLE DIP switch from OFF to ON Once the switch is set the dehumidify function is enabled dur ing a combination call for cooling T Stat and dehumidification DEHUM Stat Refer to the DIP switch chart in the back section of this manual Fossi FUEL APPLICATIONS This furnace can be used in conjunction with a heat pump in a fossil fuel application Afossil fuel application refersto a com bined
114. ification Options are ON OFF with the CTKO3 When On isselected the humidification relay on the furnace control board will function during a heat call if a humidity demand exists Selecting Off meansthe hu midification relay will not function 2 If the CTK03 and CTK04 are set up so the compressor off delay is 0 min it will display a cool heat call immedi ately regardless of the delay built into the outdoor unit control board This meansthe CTK03AA could show COOL ON when the outdoor unit is still in a delay period The recommendation isto set up the compressor delay to at least 3 minutes 3 Dual Fuel When the CTK03 and CTK04 call for gas heat the heat pump will shut off after a delay of approxi mately 3 minutes it will then turn on gas heat 4 Dehumidification lowering of CFM to 8599 only happens during low stage cooling operation The dehumidifica tion feature is not active during high stage cool The and CTK04 be set up to overcool the home in order to reach the RH set point NOTE In non communicating installations with a condens ing unit switch 14 must be checked and set to match a single or two stage condensing unit Factory setting is OFF single stage 24 WIRING The optional usage of a dehumidistat allows the furnace s circu lator blower to operate at a slightly lower speed 85 of desired speed during a combined thermostat call for cooling and de
115. ipiunueq 0 4A9Gq 2ujue2uo2 219539 eseqqns 2 0 uZ aZ 5 1000040 10 IeM 50000030710 IeM 2ujue2u02 JequinN uonduoseg 9 SVS9 SVSV 21uo29 3 NING 519 9 11Y EIPON V09 08L34V JequinN uonduoseg Iepow 97 Mod Furnace Accessories MVM970603BN MVM970803BN MVM970804CN MVM971005CN MVM971205DN CVM970603BN CVM970803BN CVM970804CN CVM971005CN ee x x E BEEE x x 3 x x _ x x gt 5 00010 ACCESSORIES EXTERNAL FILTER RACK EFRO2 Used on 97 Upflow Modulating Furnaces UNIT SIDE PANEL FRONT OF UNIT OF UNIT RETURN AIR CUTOUT AREA SLOTS IN FILTER CLEAR SCREWS ON UNIT BLOWER DECK SCREWS FILTER RACK ASSEMBLY FACE FILTER OPENING TOWARDS FRONT OF UNIT LOWER EDGE SCREW CONCENTRIC VENT CONVERSION KIT DCVK 20 amp DCVK 30 CVENT 2 amp CVENT 3 The DCVK 20 2 or the DCVK 30 3 isa concentric vent kit approved with furnaces listed in this manual This concentric vent kit allows for
116. is ters must all be considered when reading your total exter nal static pressure The supply duct pressure must be read between the furnace and the cooling coil This reading is usually taken by removing the A shaped block off plate from the end on the coil drilling a test hole in it and rein stalling the block off plate Take a duct static reading at the test hole Tape up the test hole after your test is com plete The negative pressure must be read between the fil ter and the furnace blower Too much external static pressure will result in insufficient air that can cause excessive temperature rise This can cause limit switch tripping and heat exchanger failure To determine total external duct static pressure proceed as follows 1 With clean filters in the furnace use draft gauge in clined manometer to measure the static pressure of the return duct at the inlet of the furnace Negative Pressure 2 Measure the static pressure of the supply duct Posi tive Pressure 3 The difference between the two numbers is 4 w c Example static reading from return duct 0 1 w c static reading from supply duct 0 3 w c total external static pressure on this system 0 4 W C NOTE Both readings may be taken simultaneously and read directly on the manometer if so desired If an air condi tioner coil or Electronic Air Cleaner is used in conjunction with the furnace the readings must also include theses com
117. ks to see if the LPS has closed If the LPSis not closed the IFC will increase the draft inducer RPM in small steps until it detects a closed LPS e IFC then begins to reduce RPM until it detects that the HPS is open e trecordsthe RPM point where the HPS went open e The IFC then adds a predetermined amount of draft inducer RPM to both the recorded points e These new RPM points the draft inducer speed for 35 lowest input rate and 100 highest input rate The IFC then is able to control draft inducer speed through the IFC VFD throughout the entire range of modulating operation 43 100 Closed 5 Time Inducer Calibration Routine ABBREVIATIONS AND DEFINITIONS 44 IFC Integrated furnace control HSI Hot surface element LPS Low pressure switch IDB Induced draft blower HPS High pressure switch Variable Frequency Drive VFD Control of the in duced draft blower is carried out by Variable Frequency Drive By varying the voltage and frequency to the draft inducer the RPM can be controlled A section of the IFC is dedicated to this task Trial for Ignition Period TFI The period of time between initiation of gas flow and the action to shut off the gas flow in the event of failure to establish proof of the supervised ignition source or the super vised main burner flame Gas Valve Sequence Period The total period of time of gas flow starting fr
118. l Operate furnace with burners firing for approxi mately ten minutes Ensure all registers are open and all duct dampers are in their final fully or par tially open position 2 Placethermometersin the return and supply ducts as close to the furnace as possible Thermometers must not be influenced by radiant heat by being able to see the heat exchanger 3 Subtractthe return air temperature from the supply air temperature to determine the air temperature rise Allow adequate time for thermometer readings to stabilize 4 Adjust temperature rise by adjusting the circulator blower speed Increase blower speed to reduce tem perature rise Decrease blower speed to increase temperature rise Refer to Startup Procedure and Adjustment Circulator Blower Speedsfor speed changing details CROSS HATCHED AREA SUBJECTED TO RADIANT HEAT DO NOT MEASURE SUPPLY AIR TEMPERATURE IN THIS AREA DC EX RS 555559659090 AIR gt T SUPPLY RISE T SUPPLY T RETURN i T RETURN RETURN AIR gt Q 25 gt MEASURE HERE Temperature Rise Measurement OPERATION CIRCULATOR BLOWER SPEEDS varie TO AVOID PERSONAL INJURY OR DEATH DUE TO ELECTRICAL SHOCK TURN OFF POWER TO THE FURNACE BEFORE CHANGING SPEED TAPS This furnace is equipped with a multi speed circulator blower This blower provides ease in adjusting blower speeds The heating blower speed is shipped set at B and the cooling blo
119. l isa two cubic foot dial divide the number of seconds re corded in step 2 by two 4 Calculatethe furnace input in BTUs per hour BTU hr Input equals the sum of the installation s gas heating value and a conversion factor hoursto sec onds divided by the number of seconds per cubic foot The measured input must not be greater than the input indicated on the unit rating plate EXAMPLE Installation s gas heating value 1 000 BTU ft Obtained from gas supplier Installation s seconds per cubic foot 34 sec ft Conversion Factor hours to seconds 3600 sec hr Input Htg value x 3600 seconds per cubic foot Input 1 000 BTU ft x 3600 sec hr 34 sec ft Input 106 000 BTU hr NOTE The final manifold pressure cannot vary by more than x 0 3 w c for Natural and 0 5 for LP from the specified setting Consult your local gas supplier if additional input rate adjustment is required 5 Turn ON gasto and relight all other appliancesturned off in step 1 Be certain that all appliances are func tioning properly and that all pilot burners are operat ing 36 Temperature Rise Temperature rise must be within the range specified on the unit rating plate An incorrect temperature rise may result in condensing in or overheating of the heat exchanger An air flow and temperature rise table is provided in the Specifica tion Sheet applicable to your model Determine and adjust temperature rise asfollows
120. lier and the manufacturer s installation instruction Canadian Installations U S Installations 2 Canadian Installations U S Installations Az Clearance above grade 121n 30 i21 30 I Clearance to sevice ft 91 cm veranda porch deck or balcony See 1 24 6 i 9 b B Clearance to window or door that may be opened C Clearance to permanently closed window D Vertical clearance to ventilated soffit located above the terminal within a horizontal distance of 2 feet 61 cm from the center line of the terminal 6 in 15 cm for appliances 10 000 Btuh 3 kW 12 in 30 cm for appliances gt 10 000 Btuh 3 kW and 100 000 Btuh 30 kW 36 in 91 cm for appliances gt 100 000 Btuh 30 kW 4 ft 1 2 m below or to side of opening 1 ft 300 m above opening Clearance to unventilated soffit Clearance to outside come Clearance to inside corn H Clearance to each side of center 3 ft 91 cm within a height 15 ft line extended above meter regulator 4 5 m above the meter regulator assembly assembly 22 regulator vent outlet J Clearance to nonmechanical air supply inlet to building or the combustion air inlet to any other appliance 6 in 15 cm for appliances 10 000 Btuh 3 kW 12 in 30 cm for appliances gt 10 000 Btuh 3kW and 100 000 Btuh 30 kW 36 in 91 cm for appliances gt 100 000 Btuh 30 kW 4 ft 1 2 below or to si
121. me and the transition from the Ignition Firing Rate to the Target Firing Rate Ignition Recycles The additional attempts within the same thermostat cycle for ignition after loss of the supervised ignition source or the supervised main burner flame Ignition Retries The additional attempts within the same thermostat cycle for ignition when the super vised main burner flame is not proven within the Trial for Ignition Period Low Fire Rate The lowest firing rate the IFC con trolsto during a heating cycle High Firing Rate The maximum firing rate that an installed appliance can attain based on manifold ori fices and the high pressure switch setting Ignition Firing Rate The target firing rate at which the appliance always lights off The appliance stays at this firing rate until the Ignition Stabilization Pe riod expires It then moves to the target firing rate called for by the operating sequence Target Firing Rate The firing rate that the IFC con trolsthe inducer to attain at a given time in the op erating sequence Heat Fan On Delay The period between proof of the supervised main burner flame and the activation of the blower motor at the low heat speed Heat Fan Off Delay The period between the loss of supervised main burner flame after the call for heat has ended and the deactivation of the blower motor 2 Stage On Delay This applies to systems config ured for 1 stage thermostats The length of time operating in normal
122. microamp meter will not provide reli able and consistent results and is therefore not a recom mended practice The IFC has a built in warning if flame signal is approaching the low threshold NOTE Contaminated fuel or combustion air can create a nearly invisible coating on the flame sensor This coating works as an insulator causing a loss in the flame sense signal If this situation occurs the flame sensor must be cleaned with steel wool Troubleshooting uonem3srjuoo 410 28 Suri H 0 1991109 YIM JOMOTG yep poonpur oove dow jueureoe do1 3921109 YM yams redar SU WAO uonoouuoo SULIIM 3291100 10 91 81 uoroui 223000 10 jurod 195 55 1291107 Kressooou S 10910 ooutuLiojod JOMOIQ K1essooou SE Ulojs S JOYO uoreuruuo pue eSexoo q 107 Surdid 10 pue on yoodsuy Kressooou oov doi redo PAPO yod Suny H Suruuni jou Joonpuy SULIIM payoouuos K 1edoudur 10 8080002 yams Suruonounj eur 10 urod 125 ounssoud joo1rooug poonpur 10 poxoo q edid jo ur 10 pue pexoo q payoouuos 10 poyourd peso o JOU SI YOJIMS
123. mmunicating system Designed for use with compatible Amana Brand or Goodman Brand Air Handlers or Furnaces and CTKO2 outdoor split AC or Heat Pump units The CTK02 thermostat features full color high definition display advanced programming options including humidification control amp heat and cool maximum temperature settings a USB plug allowing dealers the ability to insert pre programmed operating parameters and dealer information by use of an online data entry system Heat Pump units The thermostat features full color high definition display can be used with Communicating Thermostat Kit Digitally communicating touchscreen thermostat from Honeywell Designed for use with compatible Brand Goodman Brand Air Handlers Furnaces and outdoor split AC or RedLINK wireless accessories Heat Pump units The 4 thermostat features full color high definition display can be used with RedLINK wireless accessories Split system inverter capable Communicating Thermostat Kit Digitally communicating touchscreen thermostat from Honeywell Designed CTKO4A for use with compatible Amana Brand or Goodman Brand Air Handlers or Furnaces and outdoor split AC or PRODUCT IDENTIFICATION MODEL MEG DESCRIPTION Concentric Vent Kit For use with Amana Brand Modulating furnace models This kitis designed to allow 2 terminations of a direct vent furnace to be concentrically vent
124. nace reversing the neutral and hot wire connection to the line polarity ora high resistance connection in the neutral line may cause the control to lockout due to failure to sense flame INTEGRATED IGNITION CON To AVOID THE RISK OF ELECTRICAL SHOCK WIRING TO THE UNIT MUST BE PROPERLY POLARIZED AND GROUNDED DISCONNECT POWER BEFORE PERFORMING SERVICE LISTED BELOW The ground wire must run from the furnace all the way back to the electrical panel Proper grounding can be con firmed by disconnecting the electrical power and measur ing resistance between the neutral white connection and the burner closest to the flame sensor Resistance should be less than 10 ohms The ignition control isa combination electronic and elec tromechanical device and is not field repairable Complete unit must be replaced LINE VOLTAGE NOW PRESENT These tests must be completed within a given time frame due to the operation of the ignition control The ignition control is capable of diagnosing many furnace failures to help in troubleshooting The PCBKF200 and PCBKF201 controls utilize a dual 7 segment LED display to indicate diagnostic codes When the control is powered up normally the light will be on continuously The PCBKF200 and PCBKF 201displays will indicate ON when powered and in standby mode This can be used to test for 120 volts and 24 volts to the control since both must be present for the light to be on If this step fails che
125. ne NEVER ALLOW THE PRODUCTS OF COMBUSTION INCLUDING CARBON MONOXIDE TO ENTER THE RETURN DUCT WORK OR CIRCULATION AIR SUPPLY Duct systems and register sizes must be properly designed for the CFM and external static pressure rating of the furnace De sign the ductwork in accordance with the recommended meth odsof Air Conditioning Contractors of America Manual D Install the duct system in accordance with Standards of the Na tional Board of Fire Underwritersfor the Installation of Air Con ditioning Warm Air Heating and Ventilating Systems Pamphlets No 90A and 90 29 OPERATION A closed return duct system must be used with the return duct connected to the furnace NOTE Ductwork must never be at tached to the back of the furnace For upflow installations requiring 1800 CFM or more use either two side returns or bottom return or a combination of side bottom Flexible joints may be used for supply and return connections to reduce noise transmission To prevent the blower from interfering with com bustion air or draft when a central return is used a connecting duct must be installed between the unit and the utility room wall Never use a room closet or alcove as a return air cham ber CHECKING Duct Sraric Refer to your furnace rating plate for the maximum ESP external duct static rating Total external static refers to everything external to the furnace cabinet Cooling coils filters ducts grilles reg
126. nected to the back of any fur nace Up flow furnaces installed vertically may have return air duct connections on either side or the furnace bottom When airflow requirements are greater than 1 800 CFM for heating or cooling both sides or a bottom return must be used Down flow furnaces installed vertically must have the re turn duct connection on top the furnace For any furnace installed horizontally return duct must be attachedtothe end of the furnace Return Duct Connection AIR DISCHARGE T Bottom Return E Duct m onnection AIR DISCHARGE UPFLOW UPRIGHT COUNTERFLOW Bottom Return Duct AIR DISCHARGE UPFLOW HORIZONTAL LEFT AIR DISCHARGE Bottom Return Duct Connectio AIR DISCHARGE UPFLOW HORIZONTAL RIGHT AIR DISCHARGE Recommended Installation Positions 20 Propane Gas High Altitude Installations warnine POSSIBLE PROPERTY DAMAGE PERSONAL INJURY OR DEATH MAY OCCUR IF THE CORRECT CONVERSION KITS ARE NOT INSTALLED THE APPROPRIATE KITS MUST BE APPLIED TO ENSURE SAFE AND PROPER FURNACE OPERATION ALL CONVERSIONS MUST BE PERFORMED BY A QUALIFIED INSTALLER OR SERVICE AGENCY This furnace is shipped from the factory configured for natural gas up to 10 000 ft altitude Propane conversions require the proper LP kit to compensate for the energy content dif ference between natural and propane gas LP kits include an gas v
127. ng of the conditioned space The anticipator is a part of the thermostat and if it should fail for any reason the thermostat must be replaced Other thermostats have a cycle rate adj ustment to adjust cycles per hour This should be set to match system type S 4 CHECKING TRANSFORMER AND CONTROL CIRCUIT A step down transformer 120 volt primary to 24 volt sec ondary 40 VA Heating and Cooling Models supplies ample capacity of power for either operation HIGH VOLTAGE Disconnect ALL BEFORE SERVICING OR CHANGING ANY ELECTRICAL WIRING MULTIPLE POWER SOURCES MAY BE PRESENT FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE PERSONAL INJURY OR DEATH i 1 Remove blower compartment door to gain access to the thermostat low voltage wires located at the fur nace integrated control module 2 Remove the thermostat low voltage wires at the fur nace integrated control module terminals With Power On and Door Interlock Switch closed LINE VOLTAGE NOW PRESENT 3 Use a voltmeter check voltage across terminals and C Must read 24 VAC 4 Novoltage indicates faulty transformer open fuse bad wiring bad splice or open door interlock switch 5 Checktransformer primary voltage at incoming line voltage connections fuse splices and blower door interlock switch 6 Ifline voltage is available to the primary side of transformer and not at secondary side the trans former isinoperative Replace 7
128. nstallation manual shipped with the furnace as well as all local build ingcodes and ordinances In their absence follow the latest edition of the National Fuel Gas Code NFPA 54 ANSI 2223 1 and or CAN CSA B149 Installation Codes local plumbing or waste water codes and other applicable codes A copy of the National Fuel Gas Code 54 ANSI 2223 1 can be obtained from any of the following American National Standards Institute 1430 Broadway New York NY 10018 National Fire Protection Association 1 Batterymarch Park Quincy MA 02269 CSA International 8501 East Pleasant Valley Cleveland OH 44131 PRODUCT DESIGN The rated heating capacity of the furnace should be greater than or equal to the total heat loss of the area to be heated The total heat loss should be calculated by an approved method or in accordance with ASHRAE Guide or Manual J Load Cal culations published by the Air Conditioning Contractors of America A copy of the CAN CSA B149 Installation Codes can also be obtained from CSA International 178 Rexdale Boulevard Etobicoke Ontario Canada M9W 1R3 FURNACE INSTALLATION REQUIREMENTS Thoroughly read the Installation Manual shipped with the furnace before conducting installation or repairs Centrally locate the furnace with respect to the proposed or existing air distribution system Ensure the temperature of the return air entering the furnace is between 55 F and 100 F when the furnac
129. nstaller may also need to supply a transition piece from 1 2 pipe to a larger pipe size The following stipulations apply when connecting gas piping e Gas piping must be supported external to the furnace cabinet so that the weight of the gas line does not distort the burner rack manifold or gas valve e Use black iron or steel pipe and fittings for building piping Where possible use new pipe that is prop erly chamfered reamed and free of burrs and chips If old pipe is used be sure it is clean and free of rust scale burrs chips and old pipe joint compound Usepipe joint compound on male threads ONLY Al ways use pipe joint compound pipe dope that is AP PROVED FOR ALL GASSES DO NOT apply compound to the first two threads Use ground joint unions e Install a drip leg to trap dirt and moisture before it can enter the gas valve The drip leg must be a mini mum of three inches long e Install a 1 8 NPT pipe plug fitting accessible for test gage connection immediately upstream of the gas supply connection to the furnace e Always use a back up wrench when making the con nection to the gas valve to keep it from turning The orientation of the gas valve on the manifold must be maintained as shipped from the factory Maximum torque for the gas valve connection is 375 in Ibs ex cessive over tightening may damage the gas valve e Install a manual shutoff valve between the gas meter and unit within six feet
130. o1d sr e npour SWV3Vd Ke dsip orjuoo 0 Joud 440 Jomod e orjuoo poje18ojur YOoyD YM JOUA 74 YOLOW 1 9 0j ooeumq sjuoure1imbor 10 SAOHPAIPISUOT e npour Bessou ooeum T 3 sjuaumasnbay 0207 YOY 8110198 JEJSOULIOY J9N3H0JUIO pue 1onpo4q 998 J9 0 0 umop 51145 uoor Sunes JOJOUI e 107 181800091 ay uo 8 1 se1nye1oduro juorquie uonrpuoo Jopun 10119 gq 1redo1 UIUJIM SI 0 oSej oA eoeuinj 0 MOT SITOA JO 10 UMOP smys 447 0 440 1o od um e AJH9A awun Jood JIMI e3ej 0A OV 8 9q YOLOW 1900 IOJUMOIT 54 eje1edo 0 s rej ooeumq K1essooou JI 10 IJd Y red 1 101 pu uornejo1 Peys 9 5110195 JESOULISY JONIIOFWUOD 3991109 oou ooe dow e 10 O0UI
131. of the unit If a union is installed the union must be downstream of the manual shutoff valve between the shutoff valve and the fur nace 28 e Tighten all joints securely e Connect the furnace to the building piping by one of the following methods Rigid metallic pipe and fittings Semi rigid metallic tubing and metallic fittings Aluminum alloy tubing must not be used in exterior locations In order to seal the grommet cabinet pen etration rigid pipe must be used to reach the outside of the cabinet A semi rigid connector to the gaspip ing may be used from there Uselisted gasappliance connectorsin accordance with their instructions Connectors must be fully in the same room asthe furnace Protect connectorsand semirigid tubing against physi cal and thermal damage when installed Ensure alu minum alloy tubing and connectors are coated to pro tect against external corrosion when in contact with masonry plaster or insulation or subjected to re peated wetting by liquids such as water except rain water detergents or sewage d warnine EDGES OF SHEET METAL HOLES MAY BE SHARP USE GLOVES AS PRECAUTION WHEN REMOVING HOLE PLUGS Gas Piping CHECKS Before placing unit in operation leak test the unit and gas con nections warnine TO AVOID THE POSSIBILITY OF EXPLOSION OR FIRE NEVER USE A MATCH OR OPEN FLAME TO TEST FOR LEAKS Check for leaks using an approved chloride free soap and wate
132. om the first initiation of gasto the final action to shut off the gas before going to lockout Ignition Activation Period IAP The period between energizing the main gas valve and deactivation of the ignition source prior to the end of TFI Flame Recognition Period FRP The period between deactivation of the ignition source and the expira tion of the TFI Flame Failure Response Time FFRT The period between loss of the supervised main burner flame and the action to shut off the gas supply Igniter Warm up Time The length of time allowed for the hot surface igniter to heat up prior to the initiation of gas flow Pre purge Time The period of time intended to al low for the dissipation of any unburned gas or re sidual products of combustion at the beginning of a furnace operating cycle prior to initiating ignition Beginning from the moment the pressure switch is sensed closed and lasting until the ignition source is energized Inter purge Time The period of time intended to allow for the dissipation of any unburned gas or re sidual products of combustion just prior to initiating ignition retries during the Ignition Retries sequence Post purge Time The period of timeto allow for the dissipation of any unburned gas or residual products of combustion at the end of a furnace burner operat ing cycle Post purge begins at the loss of flame sense Ignition Stabilization Period The period between sensing of the main burner fla
133. out through the Post purge where the inducer remains energized at the current speed Error code 0 is flashed during the Soft Lockout period e recycle count is not cleared until the current de mand for heat is satisfied or upon exit of Soft Lock out Rollout Circuit Operation If the manual reset rollout switch circuit opens during a heating cycle e The valve isimmediately de energized e inducer will run for the Post purge period at its current speed e Ifthe circulator fan is it will run for the normal fan off delay at the current heat speed e Anerror code is logged and displayed indicating the rollout switch circuit has opened e Allfuture thermostat heat requests are ignored The IFC will remain in this state until the rollout switch closes Once the manual rollout switch has been re set the IFC will clear the error code and return to normal operation If the rollout switch circuit opens any mode other than Heat it will be ignored Limit Switch Operation If the limit switch circuit is open during a heating cycle e The valve isimmediately de energized e inducer will run for the Post purge period at its current speed e The circulator is immediately energized at high heat speed The IFC will remain in this state until the limit switch circuit closes 45 OPERATION The IFC logs and displays an error code indicating the limit circuit is open Oncethe limit switch
134. p ons sjoejuoo Q3SO 12 je SI YAMS _ 8 15 uo A eurrou saerado ooeuing 440 Mod un o3ejs 8 20e doy yoyms o3ejs 8 94 254 ainssoid 28215 8 e 8015 uar uo 0 5 18 2 5910 Suonoy 9AD293 H07 595 8 2 91415504 8 AO Wow sepo snjejs onsougeiq 38350 5 2 jo 8 61 Troubleshooting QUIN 10 SUONDAApISUOD 2 UONDIOT pub 1onpoaq 998 JI JIOMJONp eoe deir ozisow WOJSAS 10 218 st yzomjonp uodo qny 519 51821 uononnsqo 10 JIOMJONP JOMI uonongsqo senje1eduie juerquie 8 410 3onp pezis1opuf uonrpuoo poods 10 epoo 10119 Eq 447 nedor 10 SIo3 IJ ULAJ oIoAjonp 2ATOLNSOY SLIATT e st sso SI 0 Jord 440 Jomod eSexpo q 10
135. pas la lettre les instructions dans le pres nt manuel risque de d clencher un incendie ou une explosion entra nant des dommages mat riels des lesions corporelles ou la perte de vies humaines Exactly a fire or explosion may result causing property damage personal injury or loss of life A This appliance does not have a pilot It is equipped with an ignition device which automatically lights the burner Do not try to light the burner by hand A Cet appareil ne comporte pas de veilleuse Il est muni d un dispositif d allumage qui allume B BEFORE OPERATING smell all around the appliance automatiquement le br leur Ne pas tenter area for gas Be sure to smell next to the floor d allumer le br leur manuellement because some gas is heavier than air and will B AVANT DE LE FAIRE FONCTIONNER settle on the floor renifler tout autour de l appariel pour dec ler une odeur de gaz Renifler pr s du plancher car WHAT TO DO IF YOU SMELL GAS certains gaz sont plus lourds que l air et bs MAS a t 22 peuvent s accumuler au niveau du sol 3 QUE FAIRE S IL UNE ODEUR DE GAZ do not use any phone in your building o Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions o Ifyou cannot reach your gas supplier call the fire department o Ne pas tenter d allumer d appareils o Ne toucher aucun interrupteur ne pas vous servir des t l phones dans le b timent
136. pinge on the sides of the heat exchanger firing tubes INpucED Dnarr AND CIRCULATOR BLOWERS The bearingsin the induced draft blower and circulator blower motorsare permanently lubricated by the manufacturer No fur ther lubrication is required Check openings on motor hous ingfor accumulation of dust which may cause overheating Clean as necessary ConDENSATE TRAP AND Drain System QUALIFIED SERVICER Annually inspect the drain tubes drain trap and field supplied drain line for proper condensate drainage Check drain system for hose connection tightness blockage and leaks Clean or repair as necessary FLAME SENSOR QUALIFIED SERVICER ONLY Under some conditions the fuel or air supply can create a invisible coating on the flame sensor This coating acts as an insulator causing a drop in the flame sense signal If the flame sense signal dropstoo low the furnace will not sense flame and will lock out The flame sensor should be carefully cleaned by a qualified servicer using steel wool SERVICING SERVICING 5 1 CHECKING VOLTAGE nettes 52 305 5 2 CHECKING WIRING 52 5306 S 3A THERMOSTAT AND 52 307 S 3B HEATING ANTICIPATOR CYLCE RATE 53 308 5 4 CHECKING TRANSFORMER 5 309 AND CONTROL CIRCUIT 53 5310 S 300 CHECKING PRIMARY LIMIT CONTROL 53 531 S 301 CHECKING AUXILIARY LIMIT CONTROL 53 530 S 302 CHE
137. ppropriate corresponding to the current firing rate UNIT CALL FOR HEAT ENDS 100 IGNITION 80 78 50 FIRE RATE lean FOR 12ND STAGE HEAT MIN TIME Call for 2nd Stage Heat with 1st Stage call for heat call in progress with conventional 2 Stage Thermostat e The IFC increases the firing rate to 100 a rate of 1 second for the remainder of the W2 call The circulator is adjusted to the appropriate CFM corresponding to the current firing rate Call for 2nd Stage Heat satisfied Call for 1st Stage Heat remains IFC remains at the current firing rate until the 1st Stage call for heat is satisfied HEATING OPERATION wirH CTKO1 CATING e When the Thermostat Heat Setup DIP switch is set to 2 Stage heat the IFC operation will be compatible with CTKO1communicating thermostat When acall for heat is sent the furnace will go through the Light Off Sequence After the successful Light Off Sequence and expiration of the Ignition Stabili zation Period e The IFC adjusts to the low firing rate After 2 minutes the IFC accepts the specific Heat Requested Demand e Ifthe differential is equal to or less than 2 degrees the IFC will follow the conventional 2 Stage algorithm equivalent to a W1 request e Ifthe heat differential is greater than 2 degrees the IFC will follow the conventional
138. r solution an electronic combustible gas detector or other ap proved testing methods NOTE Never exceed specified pressures for testing Higher pressure may damage the gas valve and cause subsequent overfiring resulting in heat exchanger failure Disconnect this unit and shutoff valve from the gas supply pip ing system before pressure testing the supply piping system with pressures in excess of 1 2 psig 3 48 kPa Isolate this unit from the gas supply piping system by closing its external manual gas shutoff valve before pressure testing sup ply piping system with test pressures equal to or less than 1 2 psig 3 48 kPA Propane Gas TANKS AND PIPING warnine IF THE GAS FURNACE IS INSTALLED IN A BASEMENT AN EXCAVATED AREA OR CONFINED SPACE IT IS STRONGLY RECOMMENDED TO GONTACT A PROPANE SUPPLIER TO INSTALL A GAS DETECTING WARNING DEVICE IN CASE OF A GAS LEAK SINCE PROPANE GAS IS HEAVIER THAN AIR ANY LEAKING GAS CAN SETTLE IN ANY LOW AREAS OR CONHNED SPACES PROPANE GAS ODORANT MAY FADE MAKING THE GAS UNDETECTABLE EXCEPT WITH A WARNING DEVICE A gas detecting warning system isthe only reliable way to detect a propane gas leak Rust can reduce the level of odorant in propane gas Do not rely on your sense of smell Contact a local propane gas supplier about installing a gas detecting warning system If the presence of gasis suspected follow the instruc tions listed in the Safety Precaution
139. remains energized at ignition speed dur ing the Inter purge Period e The circulator if already running remains energized at the current CFM for the circulator fan off delay period e When the Inter purge Period expires the control pro ceeds to the HSI Warm up and then a new Trial for Ignition is started again for up to a maximum of two additional trials 3 attempts total After the third Trial for Ignition has failed to light the burner the IFC proceeds to Soft Lockout through the Post purge where the inducer remains energized at the ignition speed Error code E0 is flashed during the Soft Lock out period 30 sec 3 trials total 3 flame losses total of target high fire rate 2 sec max 35 80 100 The retry count is cleared if flame is sensed for longer than 10 seconds after exiting Trial for Ignition or upon exit of Soft Lockout Ignition Recycles When flame is established during Trial for Ignition and then lost The gas valve is de energized e inducer moves to the ignition speed and holds for the Inter purge Period e The circulator if already running remains energized at the current CFM for the circulator fan off delay period e Whenthe Inter purge Period expires the control pro ceeds to the HSI Warm up and then a new Trial for Ignition is started Amaximum of two recycles flame losses are al lowed on a single call for heat before the control pro ceedsto Soft Lock
140. return air temperature range between 60 F 16 C and 80 F 27 is maintained Air filters are installed in the system and maintained during construction replaced as appropriate during con struction and upon completion of construction e The input rate and temperature rise are set per the fur nace rating plate e 10096outside air is provided for combustion air require ments during construction Temporary ducting can be used NOTE Do not connect the temporary duct directly to the furnace The duct must be sized for adequate combus tion and ventilation in accordance with the latest edi tion of the National Fuel Gas Code 54 ANSI 2223 1 or CAN CSA B149 1 Installation Codes e Thefurnace heat exchanger components duct system air filters and evaporator coils are thoroughly cleaned following final construction clean up e All furnace operating conditions including ignition in put rate temperature rise and venting are verified accordingto these installation instructions NOTE The Commonwealth of Massachusetts requires that the following additional requirements must also be met e Gasfurnaces must be installed by a licensed plumber gas fitter AT handle gas cock must be used e Ifthe unit isto be installed in an attic the passageway to and the service area around the unit must have floor ing To ensure proper furnace operation install operate and maintain the furnace in accordance with the i
141. s powered the EAC terminal will be powered Contact is rated for 1 amp Flame Proving Flame signal is continuously monitored by the IFC The flame rod flame rod wire and proper ground ing are all critical to proving the presence of flame Be cause of the design of the Honeywell flame proving system reading flame signal with a microamp meter will not pro vide reliable and consistent results and is therefore not a recommended practice The IFC has a built in warning E6 if flame signal is approachingthe low threshold Field Test Mode This feature can be used by the service technician to quickly bring a furnace up to high fire Enter ing field test mode will by passthe staging routine and al low the furnace to run at 100 of rated input To use field test mode during a call for heat pressthe fault recall but ton twice within 5 seconds the display will change to Ft then press and hold the fault recall button for a few seconds until the display flashes Ft The furnace will stay in field test mode for 5 minutes or until the call for heat is re moved Dual 7 Segment Displays The modulating furnace IFC has dual 7 segment displaysto provide service information This information includes present thermostat demand CFM and fault codes Fault Recall Thisfeature allowsthe service person to check for any fault history The board memory is capable of re cording and storing 10 fault codes To use this feature the furnace must not have an e
142. s section of this manual All propane gas equipment must conform to the safety stan dards of the National Board of Fire Underwriters NBFU Manual 58 For satisfactory operation propane gas pressure must be 10 WC 5 at the furnace manifold with all gas appliances in operation Maintaining proper gas pressure depends on three main factors l Vaporization rate depending on temperature of the liquid and wetted surface area of the container or containers 2 Proper pressure regulation Two stage regulation is recommended for both cost and efficiency 3 Pressure drop in lines between regulators and be tween second stage regulator and the appliance Pipe size will depend on length of pipe run and total load of all appliances Complete information regarding tank sizing for vaporization recommended regulator settings and pipe sizing is available from most regulator manufacturers and propane gas suppliers Use only pipe dope approved for both L P and natural gases Refer to the following illustration for typical propane gas instal lations and piping 5 to 15 PSIG 20 PSIG Max First Stage Regulator Continuous 11 W C 200 PSIG S d Stage Maximum 9 Regulator Propane Gas Installation Typ Sizing Between First and Second Stage Regulator Maximum Propane Capacities listed are based on 2 psig pressure drop at 10 psig setting Capacities in 1 000 BTU hour Pipe or Tubing Length F
143. stipulations e must be installed per the installation instructions pro vided and per local and national codes e It must be installed indoors in a building constructed on site e t must be part of a ducted system and not used in a free air delivery application e t must not be used as a make up air unit e t must be installed with two pipe systems for combus tion air All other warranty exclusions and restrictions apply This furnace isan ETL dual certified appliance and is appro priate for use with natural or propane gas NOTE If using propane a propane conversion kit is required Dual certification means that the combustion air inlet pipe is optional and the furnace can be vented as a Non direct vent single pipe central forced air furnace in which combustion air is taken from the installation area or from air ducted from the outside or Direct vent dual pipe central forced air furnace in which all combustion air supplied directly to the furnace burn ersthrough a field installed combustion air pipe This furnace may be used as a construction site heater ONLY if all of the following conditions are met e The vent system is permanently installed per these in stallation instructions 14 e Aroomthermostat is used to control the furnace Fixed jumpers that provide continuous heating CANNOT be used and can cause long term equipment damage e Return air ducts are provided and sealed to the furnace A
144. t of the unit 18 TOP TOP SIDE SIDE M SIDE BOTTOM BOTTOM Upflow Counterflow Horizontal THERMOSTAT LOCATION The thermostat should be placed approximately five feet from the floor on a vibration free inside wall in an area having good air circulation Do not install the thermostat where it may be influenced by any of the following Drafts or dead spots behind doors in corners or under cabinets e Hot or cold air from registers Radiant heat from the sun Light fixtures or other appliances Radiant heat from a fireplace Concealed hot or cold water pipes or chimneys Unconditioned areas behind the thermostat such asan outside wall Consult the instructions packaged with the thermostat for mounting instructions and further precautions Combustion amp Ventilation Air Requirements A WARNING TO AVOID PROPERTY DAMAGE PERSONAL INJURY OR DEATH SUFACENT FRESH AIR FOR PROPER COMBUSTION AND VENTILATION OF FLUE GASES MUST BE SUPPLIED IMOST HOMES REQUIRE OUTSIDE AIR BE SUPPLIED INTO THE FURNACE AREA Improved construction and additional insulation in buildings have reduced heat loss by reducing air infiltration and escape around doors and windows These changes have helped in reducing heating cooling costs but have created a problem supplying combustion and ventilation air for gas fired and other fuel burning appliances Appliances that pull air out of the house clothes dryers exhaust fans
145. tem switches critical to the ClimateTalk communicating network and must be left inthe factory enabled ON position DIP Switches 2 gt 2 gt 9 8 5 3 Plus 10 10 0 Trim Adjust 90 Seconds 120 Seconds 150 Seconds 180 Seconds 1 Stage Stat 2 Stage Stat 1 Stage Compressor 2 Stage Compressor Enabled Disabled LL LL LL LL LL 2 Disabled ne e EC OTrim Adjust _ Continuous T Stat Heat Compressor Put Down Indicates factory setting Communicating thermostats are used only with Bias Pull Up Pull Down dip switches Not applicable OPERATION System Operating Airflow Demand Source Mode urnace Cooling Heat Pump Heating Only Heat Pump Heat Pump Heat Pump Furnace Auxiliary Heating Thermostat For example assume the system is an air conditioner matched with a furnace With call for low stage cooling the air conditioner will calculate the system s low stage cool ing airflow demand The air conditioner will then send a fan request along with the low stage cooling airflow de mand to the furnace Once received the furnace will send the low stage cooling airflow demand to the ECM motor The ECM motor then delivers the low stage cooling airflow See the applicable ComfortNet air conditioner or heat pump installation manual for the airflo
146. th the left side down there are two options for connectingthe vent pipe to the furnace l Venting may be connected to the furnace vent pipe fit ting on the original top now the end of the furnace 2 Theinternal vent pipe and elbow may be removed from the furnace to permit the vent to exit the top original side of the furnace If this option is used an RF000142 Vent Drain coupling must be used to keep condensate from collecting in the inducer assembly Refer to the following instructions and illustration Insert flange Cut 2 1 long ES RF000142 gt AU LJ SRE 5p 0 0 Figure 10 T pa NN X _ 1 5 lt a Vent Flue Pipe Cuts Figure 11 Remove screws from vent flange Remove internal elbow and vent pipe Cut pipe 2 1 2 from flange Remove cabinet plug adjacent to inducer outlet and in stall an original cabinet vent hole Install RF000142 coupling on inducer outlet 6 Install flanged vent section removed in step 2 amp secure with clamps 7 Secure flange to cabinet using screws removed in step 1 gt 19 PRODUCT DESIGN Duct CONNECTIONS Return duct must not be con
147. the CTKO kit Remove the red keying tabs from the on board connector block and position both 4 position connector such that 1 2 C and Y1 positions are filled CTKO Thermostat 4 Position Connectors from CTKO Thermostat Kit ComfortNet Compatible Furnace Integrated Control Module C Y Non ComfortNet Compatible Single Stage AC System Wiring between Furnace and Non Communicating Compatible Single Stage Air Conditioner Pressure Switch Calibration Routine The modulating fur nace must go through a pressure switch calibration routine before it can begin its first heat cycle This is performed automatically by the furnace and requires no action on the part of the installer other than to have the system compo nents installed completely and correctly On the initial power up or any time that power to the furnace is switched off then back on again and a call for heat is applied the fur nace will go through a calibration routine During the cali bration routine the IFC runs the induced draft blower at different speeds to determine the opening and closing points of the pressure switches It records this information and uses it as reference points for determining the draft in ducer speeds for all gas input rates from 35 100 Before beginning a calibration routine the IFC will check that both pressure switches are in the open position The IFC powers the draft inducer at a predetermined speed and chec
148. ting Stages Cooling Stages Control Type Blower Mbtor Type Installation Positions BTUH Input Range X 1000 CCapable Tons Cabinet Hight Cabinet Width Heating 100 Firing Rate ECM Motor H P Draft Inducer Gas Valve 24 VAC Heating Inputs 24 Cooling Inputs Primary Heat Exchanger Accessory Terminals Gas Line Entry Revision Attributes REV AA Amana Brand Residential Gas Furnace Modulating 3596 10096 of rated input Two ClimateTalk or Gonventional 24 Volt 4 Wire Variable Speed ECM 0603BN 0803BN 080404 1005041 1205DN UF Hor UR UF Hor UR UF Hor UR UF Hor L R UF Hor UR 21 60 28 80 28 80 35 100 42 120 15 3 15 3 2 4 2 5 2 5 34 5 34 5 34 5 34 5 34 5 17 5 17 5 21 21 24 5 1059 1316 1337 1870 1940 3 Variable peed 24 Modulates by Pneurratic signal W1 2 Y1 Y2 Stainless Steel EAC terminal HUM IN HUM OUT terminals Left or Right First revision of 34 5 modulating up flow furnace REV AA Goodman Brand Residential Gas Furnace Modulating 35 100 of rated input Two ClimateTalk Conventional 24 Volt 4 Wire Variable Speed ECM 0603BN 080384 080404 100504 1205DN UF Hor UR UF Hor L R UF Hor UR UF Hor L R UF Hor L R 21 60 28 80 28 80 35 100 42 120 15 3 15 3 2 4 2 5 2 5 34 5 34 5 34 5 34 5 34 5 17 5 17 5 21 21 24 5 1059 1316 1337 1870 1940 3 Variable Speed 24 VAC Modulates by Pneumatic signal W1 2 Y
149. tion such as inlet and manifold gas pres sure alignment and positioning specific gravity and BTU content of the gas being consumed Orifices should be treated with care in order to prevent damage They should be removed and installed with a box end wrench in order to prevent distortion In no instance should an orifice be peened over and redrilled lt A gt GAS STREAM B The length of Dimension A determines the angle of Gas Stream B A dent or burr will cause a severe deflection of the gas stream S 307 CHECKING GAS PRESSURE Gas Supply Pressure Measurement To PREVENT UNRELIABLE OPERATION OR EQUIPMENT DAMAGE THE INLET GAS SUPPLY PRESSURE MUST BE AS SPECIFIED ON THE UNIT RATING PLATE WITH ALL OTHER HOUSEHOLD GAS FIRED APPLIANCES OPERATING Gas inlet and manifold pressures should be checked in ac cordance to the type of fuel being consumed The line pressure supplied to the gas valve must be within the range specified below The supply pressure can be mea sured at the gas valve inlet pressure tap or at a hose fit ting installed in the gas piping drip leg The supply pres sure must be measured with the burners operating To mea sure the gas supply pressure use the following procedure A WARNING DISCONNECT ELECTRICAL POWER AND SHUT OFF GAS SUPPLY 1 After turning off gasto furnace at the manual gas shut off valve external to the furnace remove burner com partment door to gain access to the gas valve
150. tor Motor Connector Beyond basic visual checks and voltage resistance checks the Emerson ECM motor may be tested with an Emerson UltraCheck EZ diagnostic tool Goodman Part UTT 01 This tool will test the motor windings and also the commu nicating module of the motor USING Orange Power Button THE EMERSON ULTRACHECK EZ Diacnosric TOOL Green LED Emerson Ultracheck EZ Diagnostic Tool Turn off power to the furnace being serviced and verify with a volt meter Disconnect the 4 wire communication cable from the motor control unit end bell Connect the 4 wire connector of the diagnostic tool to the end bell communicating connector Attach one of the alligator clips of the diagnostic tool to the 24 volt hot terminal of the furnace transformer and the other alligator clip to the 24 volt common ground terminal The alligator clips are not polarity sensitive Turn ON furnace power The orange button of the diagnostic tool sends a sig nal to the UltraTech motor to rotate when pressed There may be a five second delay between the time the button is pressed and the motor beginsto rotate If the orange button does not illuminate when pressed the tool is not connected to a 24 volt supply or it is defective The GREEN LED is an indicating signal that communication is taking place If the green LED does not blink the end bell should be replaced 47 OPERATIONAL 5
151. ts NOTE To energize the furnace the Door Interlock Switch must be engaged at this point 4 No reading indicates open wiring open line voltage fuse no power or faulty Door Interlock Switch from unit to fused disconnect service Repair as needed 5 With proper voltage at line voltage connectors ener gize the furnace blower motor by jumpering termi nalsR to G on the integrated ignition control With the blower motor in operation the voltage should be 115 volts 10 percent 7 If the reading falls below the minimum voltage check the line wire size Long runs of undersized wire can cause low voltage If wire size is adequate notify the local power company of the condition 8 After completing check and or repair replace J unc tion Box cover and reinstall the service panel doors 9 Turnon electrical power and verify proper unit opera tion 5 2 CHECKING WIRING Disconnect ALL POWER BEFORE SERVICING 52 1 Check wiring visually for signs of overheating dam aged insulation and loose connections 2 Use an ohmmeter to check continuity of any suspected open wires 3 If any wires must be replaced replace with AWM 105 C 2 64 thick insulation of the same gauge or its equiva lent CHECKING THERMOSTAT WIRING AND ANTICIPATOR S 3A THERMOSTAT AND WIRING Disconnect ALL POWER BEFORE SERVICING 1 Remove the blower compartment door to gain access to the thermostat low voltage wires located at the
152. urn off all power sources 2 Remove the two wires from the roll out switch 3 Using an ohmmeter check for a closed circuit across the two roll out switch contacts this will be the same reading that you see by touching your two meter leads together 54 S 303 INDUCED DRAFT BLOWER MOTOR Induced Draft Blower IDB All modulating furnace models use a three phase induced draft blower to draw flue gases through the heat exchanger The inducer uses ball bearings and is permanently lubricated This motor is driven at varying speeds by the VFD variable frequency drive section of the IFC The IFC takes typical single phase power supplied to the furnace and converts it to a three phase supply to operate the draft inducer at the desired speed The windings of the induced draft motor will have equal resistance 5 Normal resistance readings at room temperature will range from 14 17 ohms The voltage supplied by the IFC to drive the induced draft blower will vary from 15 110 volts between any two windings This would be read between any two of the three power wires between the IFC and the induced draft blower This voltage to the IBD will vary between furnace models and is dependant on what percentage of maximum fire is being called for The power wires are colored red white and black Agreen colored ground wire is also present 5 304 CHECKING MODULATING GAS VALVE Gas ValveModulating furnaces use a 24 VAC pneumatically operatedgas
153. w delivered during cooling or heat pump heating Continuous Fan Furnace Non Comm 1 stg Air Conditioner In continuous fan mode the CTK0 thermostat provides the airflow demand CTK02 CTK03 and CTK04 thermo stats may be configured for one of threecontinuous fan speed settings allow for 25 50960r 75 airflow based on the furnaces maximum airflow capability During continuous fan operation the thermostat sends a fan request along with the continuous fan demand to the furnace The fur nace in turn sends the demand to the ECM motor The ECM motor delivers the requested continuous fan airflow FossiL FUEL APPLICATIONS This furnace can be used in conjunction with ComfortNet compatible heat pump in a fossil fuel application A fossil fuel application refers to a combined gas furnace and heat pump installation which uses an outdoor temperature sensor to deter mine the most cost efficient means of heating heat pump or gas furnace When used with the thermostat the furnace heat pump system is automatically configured asa fossil fuel system The balance point temperature may be adjusted via the CTKO thermostat advanced user menus see CTKO instructions for additional information 40 CTKO WIRING NOTE Refer to Electrical Connections for 115 volt line connections to the furnace NOTE Aremovable plug connector is provided with the control to make thermostat wire connections This plug may be r
154. wer speed is set at D These blower speeds should be adjusted by the installer to match the installation requirements so as to provide the correct heating temperature rise and cor rect cooling CFM Use the dual 7 segment LED display adj acent to the DIP switches to obtain the approximate airflow quantity The airflow quan tity is displayed as a number on the display rounded to the nearest 100 CFM The display alternates airflow delivery indi cation and the operating mode indication Example The airflow being delivered is 1225 CFM The dis play indicates 12 If the airflow being delivered is 1275 the display indicates 13 1 Determine the tonnage of the cooling system installed with the furnace If the cooling capacity BTU hr divide it by 12 000 to convert capacity to Example Cooling Capacity of 30 000 BTU hr 30 000 12 000 2 5 Tons 2 Determine the proper air flow for the cooling system Most cooling systems are designed to work with air flows between 350 and 450 CFM per ton Most manu facturers recommend an air flow of about 400 CFM per ton Example 2 5 tons X 400 CFM per ton 1000 CFM The cooling system manufacturer 5 instructions must be checked for required air flow Any electronic air cleaners or other de vices may require specific air flows consult installation instruc tions of those devices for requirements 3 Knowing the furnace model locate the high stage cooling air flow charts in the
155. wn momentarily to determine what the closing points and opening points of the pressure switches are compared to inducer RPM The calibration routine is described in detail on page 43 The illustrations following show firing rates with 24 volt legacy thermostats as well as with communicating thermostats Modulating furnaces light off at 80 firing rate The dual seven segment display will alternate showing 1 Current Operating Mode legacy or communicat ing call for heat C communicating call for cooling C1 C2 legacy call for cooling Y 0 P1 P2 legacy call for heat heat pump Y F for constant fan 2 Gas heat firing rate 96 3596 HI 10099 3 demand for supply air 4 Air Quantity Single or double digit displayed CFM X 100 UNIT CALL FOR HEAT ENDS 100 IGNITION 80 10 MINS 78 8 MINS 57 FIRE RATE 2 MINS MIN TIME Operation with Conventional 1 Stage Thermostat DIP switch selections 1 Stage heat Call for heat thermostat energizes W1 on IFC W2 input is ignored 32 After a successful Light Off Sequence and expiration of the Ignition Stabilization Period e After 2 minutes the IFC increases to 57 at rate of 1 per second After 10 total minutes the IFC increases to 78 at a rate of 1 per second After 20 total minutes the IFC increasesto 100 at a rate of 1 per second for the remainder of the call for heat
156. xisting thermostat call Pres sure fault recall button from 2 5 seconds until the display goes blank then release all faults will be displayed one at a time beginning with the most recent max of 3 consecu tive faults will be stored When all errors have been dis played the display returns to ON To erase stored faults hold the fault recall button until the display starts flashing then release 17 PRODUCT DESIGN warnine TO PREVENT POSSIBLE EQUIPMENT DAMAGE PROPERTY DAMAGE PERSONAL INJURY OR DEATH THE FOLLOWING BULLET POINTS MUST BE OBSERVED WHEN INSTALLING THIS UNIT POSSIBLE PROPERTY DAMAGE PERSONAL INJURY OR DEATH DUE EXPLOSION SMOKE SOOT CONDENSATION ELECTRICAL SHOCK OR CARBON MONOXIDE MAY RESULT FROM IMPROPER INSTALLATION REPAIR OPERATION OR MAINTENANCE OF THIS PRODUCT CLEARANCES AND ACCESSIBILITY MVM97 MINIMUM CLEARANCES TO COMBUSTIBLE MATERIALS INCHES POSTION FRONT ses REAR voe FLUE FLOOR pe C If placed on combustible floor floor MUST be wood only NOTES For servicing or cleaning 24 front clearance is required Unit connections electrical flue and drain necessitate greater clearances than the minimum clearances listed above In all cases accessibility clearance must take precedence over clearances from the enclosure where accessibility clearances are greater

Goodman GMVM97 Service Manual

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