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Sterling GG-105 Heat Pump User Manual

1. MV M1 M2 RO HL HIGH LIMIT T1 TRANSFORMER DRAFTER PRESSURE SWITCH GAS VALVE DRAFTER MOTOR FAN MOTOR ROLLOUT SWITCH 6 m w1 e j THERMOSTAT T834 THERMOSTAT LADDER EP LINE IN 120V 1 60 2 i ACB_Heat 12 NACB Cool 1 o CMB L1 12 115V 24V 1712 50 VA 1 6 s124v Hot 51 1 HL ro RO aR R THERMOSTAT W1 1 2 51 eS o W 1 5 BL R W SR N C NO P1 3 rg Wt MV P1 4 r BK FS WH ISensor Spark r PST 24v Gnd r LEGEND KEY UNIT 051 BY MANUFACTURER TUBULAR PROPELLER 115V 1 60 WIRING BY MANUFACTURER 24V WIRING BY OTHERS OR OPTIONS 115V 1 60 WIRING BY OTHERS OR OPTIONS 24V WIRING TERMINAL BLOCK OR FIELD CONNECTION POINT WIRE CROSSING UNIT HEATERS 30 120 NAT amp LP UT 1097 IGNITION CONTROLLER DIAGRAM RECORD SHOULD EXIST 0 CONNECTION 4 WIRE CONNECTION o WIRE CONNECTION NOTE COLOR KEY IF AN OPTIONAL COMPONENT is BL BLUE 08 ORANGE NOT USED WITH RESPECT TO RD RED YL YELLOW THE COMPONENT TYPE A DIRECT WH WHITE GR GREEN CON
2. 2 08599 Rear View Side View 7 GAS PIPING A WARNING To avoid damage or possible personal injury do not connect gas piping to this unit until a supply line pressure leak test has been completed Connecting the unit before completing the pressure leak test may damage the unit gas valve and result in a fire hazard A WARNING Do not rely on a shut off valve to isolate the unit while conducting gas pressure leak tests These valves may not be completely shut off exposing the gas valve to excessive pressure and damage PIPE SIZING To provide adequate gas pressure to the gas unit heater size the gas piping as follows 1 Find the cu ft hr by using the following formula Refer to Table 2 Match Length of Pipe in Feet with appropriate Gas Input Cu Ft Hr figure This figure can then be matched to the pipe size at the top of the column Example It is determined that a 67 foot 20 4m run of gas pipe is required to connect a 75 MBTU gas unit heater to a 1 000 BTU cu ft 0 29kW natural gas supply C ftbi 1 000 BTU cu ft Using Table 2 3 4 inch pipe is needed NOTE See General Safety Information section for English Metric unit conversion factors NOTICE If more than one unit heater is to be served by the same piping arrangement the total cu ft hr input and length of pi
3. 4 5 GENERAL SAFETY INFORMATION Installation Codes 2 3 Special Precautions 2 3 INSTALLATION Locating Units u u u n a 0095555555 6 7 Combustion Air eee 6 7 Proper Clearance 6 7 Suspension of Units 6 7 Gas Supply Piping 8 9 ELECTRICAL CONNECTIONS 10 15 VENTING steer tc vi i ama s 16 17 Standard Combustion 18 25 Separated Combustion 26 30 OPERATION Explanation of Controls and Operation 31 Main Burner Orifice Schedule 32 Adjustments ree 32 High Altitude Operation 32 33 MAINTENANCE Servicing amp Cleaning 33 TROUBLESHOOTING GUIDE 34 38 IDENTIFICATION OF PARTS 39 40 WARRANTY aaa det iin ent ac tyr reus 41 MODEL NUMBER 9 9 42 INSPECTION SHEET 43 NOTICE It is the equipment owners responsibility to provide any scaffolding or other apparatus required to perform emergenc
4. 20 3 4 527 mm Hanger Spacing Top View 18 247 464 mm G Discharge Vent HI Opening Connections 1 750 19 mm Discharge D1 OPENING D2 2 1 2 4 64 mm 102 mm 19 mm Gas Connection 1 1 4 1 2 N P T Q7 mm Natural amp Propane 6 152 mm Electrical 8 Rear View 203 mm Connection DIMENSIONS XXX STANDARD UNITS DIMENSIONS IN PARENTHESIS XXX MILLIMETERS Side View Front View INSTALLATION AWARNING Do not install unit heaters in corrosive or flammable atmospheres Premature failure of or severe damage to the unit will result AWARNING Avoid locations where extreme drafts can affect burner operation Unit heaters must not be installed in locations where air for combustion would contain chlorinated halogenated or acidic vapors If located in such an environment premature failure of the unit will occur Since the unit is equipped with an automatic gas ignition system the unit heater must be installed such that the gas ignition control system is not directly exposed to water spray rain or dripping water NOTICE Location of unit heaters is related directly to the selection of sizes Basic rules are as follows MOUNTING HEIGHT If the unit heater is installed in a garage it must be installed with a minimum clearance above the floor of 18 inches 457mm AIR DISTRIBUTION Direct air towards areas o
5. Ignitor 08 HL RO XL RD 255 RD THERMOSTAT Se 8 5 a 8 5 Zc _ B owe E i No BK WH fe Sensor L 5 6 2 s W2 TI LEGEND KEY UNIT BY MANUFACTURER DS1 DRAFTER PRESSURE 115V 1 60 WIRING HL HIGH LIMIT BY MANUFACTURER 60 120 NAT amp LP S9100D IGNITION CONTROLLER TWO STAGE CONNECTION O SHOULD EXIST THE COMPONENT TYPE A DIRECT WH R NO CONNECTION BK MV GAS VALVE M1 DRAFTER MOTOR 115V 1 60 WIRING BY OTHERS OR OPTIONS M2 FAN MOTOR 24V WIRING 80 ROLLOUT SWITCH TERMINAL BLOCK OR FIELD CONNECTION POINT WIRE CROSSING NO CONNECTION 4 WIRE CONNECTION WIRE CONNECTION NOTE COLOR KEY IF AN OPTIONAL COMPONENT is BL BLUE OR ORANGE NOT USED WITH RESPECT TO RD RED YL YELLOW WHITE GR GREEN BLACK DIAGRAM_RECORD AUTOMATIC IGNITION 115V 1 60 THERMOSTAT DRAFTOR FILE 49 08545 DATE 04 18 2008 REV B 15 NOTICE See Figures 7 8 9 10B 10C 11B and 11C for connecting the thermostat to the unit heater If using a standard low voltage thermostat with a sub base switch for fan control connect the G terminal of the thermostat to the G terminal of the unit heater VENTING All unit heaters must be vented All Venting installations shall be in accordance with the latest edition of Part 7 Venting of
6. 4 Flashes Limit or rollout switch is open 1 Open manual reset rollout switch 2 Gas pressure too high over fire condition 3 Incorrect airflow due to blockage or motor not operating 5 Flashes Flame sensed while gas valve is off 1 Flame probe miswired or shortened 6 Flashes On board microprocessors disagree 1 Thermostat is interfering with control board 37 Table 10B Troubleshooting with LED Indicator Assistance for Honeywell Control Board PATTERN STATUS CHECK REPAIR Short Flash Control powered without call for Heat Not Applicable Heartbeat Call for Heat normal operations Not Applicable 2 Pressure Switch failed closed 1 Check pressure switch to see if open to start if not replace switch 2 Air flow switch jumpered Remove jumper and check operation 3 Pressure Switch failed open 1 Look for obstruction or restrictions in appliance air intake or flue outlet that are preventing proper combustion airflow 2 Moisture or debris in tube that connects pressure switch and draft inducer 3 Check spud on power venter housing Make sure it is clear 4 Limit circuit open 1 Open manual reset rollout switch 2 Gas pressure is too high over fired condition 3 Incorrect airflow due to blockage or fan motor not operating 5 Flame sensed out of sequence flame still present 1 Flame probe miswired or shorted 6 1 Softlockout Fail
7. Min 10 Ft Max 3M Not to Exceed Vertical 22 x 21 MM M Min Slope S 66 Flue Height Figure 15A Category III Horizontal Venting Requirements Using Single Wall Vent Pipe Ft 152 M2 Min 1 Ft 305 MM Min D4806C Approveo Vent Terminal D Drain 3 Ft C91 M Min with Trap Above Highest Snowfall IL required by local authorities Figure 15B Category III Horizontal Venting Requirements Using Type B Double Wall Vent Pipe One Piece B Vent gt Ft Choe M 1 Ft 305 MM Min B vent 2 Thimble Approved 1 Inch Clearance Vent at 1 3 Ft C91 M Min 1 4 1 Above Highest Snowfoll 1 Ftx C21MM M Min Slope D6879C Figure 15C Type B Draft Hood Connector Seal annular space with silicone sealant D 06880 23 Figure 16 VENTING continued HORIZONTAL ARRANGEMENT SINGLE WALL VENT SYSTEM TO SINGLE WALL TERMINATION BUILDING OVERHANG ADJACENT 1 BUILDING VENT PIPE DIAMETER SEE SPECIFICATION TABLE 1 APPROVED N VENT CAP 5 0 MIN SEE INSTRUCTIONS 0 9 MIN IS 12 MIN I 2 MIN 305 mm
8. 2 92 2 63 2 38 2 18 2 04 1 1 049 680 465 375 320 285 260 240 220 205 195 175 160 145 135 19 3 13 2 10 6 9 06 8 07 7 36 6 80 6 23 5 80 5 52 4 96 4 53 4 11 3 82 11 4 1 380 1400 950 770 660 580 530 490 460 430 400 360 325 300 280 39 6 26 9 21 8 18 7 16 4 15 0 13 9 13 0 12 2 11 3 10 2 9 20 8 50 7 93 1 1 2 1 610 2100 1460 1180 990 900 810 750 690 650 620 550 500 460 430 59 5 41 3 33 4 28 0 25 5 22 9 21 2 19 5 18 4 17 6 15 6 14 2 13 0 12 2 2 2 067 3950 2750 2200 1900 1680 1520 1400 1300 1220 1150 1020 950 850 800 112 77 9 62 3 53 8 47 6 43 0 39 6 36 8 34 5 32 6 28 9 26 9 24 1 22 7 21 2 2 469 6300 4350 3520 3000 2650 2400 2250 2050 1950 1850 1650 1500 1370 1280 178 123 99 7 85 0 75 0 68 0 63 7 58 0 55 2 52 4 46 7 42 5 38 8 36 2 3 3 068 11000 7700 6250 5300 4750 4300 3900 3700 3450 3250 2950 2650 2450 2280 311 218 177 150 135 122 110 105 97 7 92 0 83 5 75 0 69 4 64 6 4 4 026 23000 15800 12800 10900 9700 8800 8100 7500 7200 6700 6000 5500 5000 4600 651 447 362 309 275 249 229 212 204 190 170 156 142 130 1 Determine the required Cu Ft Hr by dividing the input by 1000 For SI Metric measurements Convert BTU Hr to kilowatts Multiply the units inputs KW by 0 0965 to determine Cu Meters Hr 2 FOR NATURAL GAS Select pipe size directly from t
9. Category III units are limited to 5 Seal all vent pipe joints and a maximum of 40 feet 12 19m equivalent length of vent pipe Equivalent length is the total length of straight sections PLUS 5 feet 1 5m for each 90 degree elbow and 2 5 feet 75m for each 45 degree elbow The top of the vent pipe should extend at least 2 feet 0 61m above the highest point on the roof Consideration should be made for anticipated snow depth Install an Amerivent Americap or Metalbestos vent cap over the vent opening Slope horizontal runs upward from the gas unit heater at least 1 4 inch per foot 21mm m minimum Horizontal portions of the venting system shall be supported at minimum intervals of 4 feet 1 2m in Canada support at 3 feet 1m minimum intervals See Figures 15 17 and 19 Stock 2 Ft Min 158 M Min D8606 Thimble Approved I Vent Terminal Use Insulated utdoors seams to prevent leakage Use General Electric RTV 108 Dow Corning RTV 732 or equivalent silicone sealant with a tempera ture rating of 500 deg F or 3M 425 aluminum foil tape or equivalent Avoid running vent pipe through unheated spaces When this cannot be avoided insulate the pipe to prevent condensation of moisture on the walls of the pipe 990 Min Distance 1 25 4 MM from Pipe to Ceiling EN ard 1
10. Equipment of the National Fuel Gas Code ANSI Z223 1 or applicable provisions of local building codes Refer to notes below for Canadian installations Refer to Figures 12 19 A WARNING CARBON MONOXIDE Your venting system must not be blocked by any snow snow drifts or any foreign matter Inspect your venting system to ensure adequate ventilation exists at all times Failure to heed these warnings could result in Carbon Monoxide Poisoning symptoms include grogginess lethargy inappropriate tiredness or flue like symptoms When an existing heater is removed or replaced in venting system the venting system may not be properly sized to vent the attached appliances An improperly sized vent system can cause formulation of condensate or leakage or spillage of flue gases The following steps shall be followed with each appliance connected to the venting system placed in operation while any other appliances connected to the venting system are not in operation 1 Seal any unused openings in the venting system 2 Inspect the venting system for proper size and horizontal pitch as required in the National Fuel Gas Code ANSI Z223 1 and these instructions Determine that there is no blockage or restriction leakage corrosion and other deficiencies which could cause an unsafe condition In so far as practical close all building doors and windows and all doors between the space in which the appliance s connected to the ven
11. S DSGG IOM 1 J30 08511 INSTALLATION INSTRUCTIONS AND PARTS LIST TUBULAR GAS FIRED DIRECT SPARK PROPELLER UNIT HEATERS FOR RESIDENTIAL INSTALLATIONS ATTENTION READ THIS MANUAL AND ALL LABELS ATTACHED TO THE UNIT CAREFULLY BEFORE ATTEMPTING TO INSTALL OPERATE OR SERVICE THESE UNITS CHECK UNIT DATA PLATE FOR TYPE OF GAS AND ELECTRICAL SPECIFICATIONS AND MAKE CERTAIN THAT THESEAGREE WITH THOSE AT THE POINT OF INSTALLATION RECORD THE UNIT MODEL AND SERIAL No s INTHE SPACE PROVIDED RETAIN FOR FUTURE REFERENCE Model No Serial No FOR YOUR SAFETY Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance FOR YOUR SAFETY WHAT TO DO IF YOU SMELL GAS WERTE Do nottry to light any appliance Do not touch any electrical switch do not use any phone in your building Immediately call your gas supplier C US from a neighbor s phone Follow the Liste gas supplier s instructions If you cannot reach your gas supplier call your fire department AWARNING Improper installation adjustment alteration service or maintenance can cause property damage injury or death Read the installation operating and maintenance instruction thoroughly before installing or servicing this equipment APPROVED FOR USE IN CALIFORNIA AWARNING Install operate and maintain unit in accordance with the manufacture
12. Table 5 for specifications The vent terminal must be at least 3 feet 1m above grade or in snow areas at least 3 feet 1m above the snow line to prevent blockage by snow Install a weather cap over the vent opening An Amerivent Americap or Metalbestos vent cap must be supplied by the customer for each power vented unit Through the wall venting for these appliances shall not terminate over public walkways or over an area where the condensate or vapor could create a nuisance hazard or could be detrimental to the operation of regulators relief valves or other equipment Seal all vent pipe joints and seams to prevent leakage Use General Electric RTV 108 Dow Corning RTV 732 or equivalent silicone sealant with a tempera ture rating of 500 deg F or 3M 425 aluminum foil tape or equivalent The vent system must be installed to prevent collection of condensate Pitch 18 6 horizontal pipes downward 1 4 inch per foot 21mm per meter toward the outlet for condensate drainage Install a tee witha condensate drain at the low point of the pipe see Figure 13 As an alternate a 3 8 inch diameter hole may be drilled at the low point of the pipe for condensate drainage Horizontal portions of the venting system shall be supported at minimum intervals of 4 feet 1 2m to prevent sagging in Canada support at 3 foot 1m minimum intervals 8 Avoid running vent pipe through unheated spaces When this ca
13. air inlet 4 feet below 4 feet horizontally 1 foot above Forced air inlet within 10 ft 3 feet above Adjoining building or parapet 6 feet Adjacent public walkways 7 feet above grade Observe the following precautions when venting the unit 1 Use flue pipe of the same size as the flue connection s on the gas unit heater 4 102mm All heaters must be vented with a single or double wall pipe listed for category III positive pressure vent systems Type B double wall pipe can be used with limitations as shown in Figure 15B As illustrated a single 5 foot 1 52m section of Type B vent pipe with a draft hood connector may be used between the appliance vent connection and the vent terminal Use Metalbestos Type B gas vent with a Metalbestos 4RV DH draft hood connector or an Amerivent Type B gas vent with an Amerivent 4EDC draft hood connector Each unit must have an individual vent pipe and vent terminal Unit MUST NOT be connected to other vent systems or to a chimney 3 Category III units are limited to a maximum of 40 feet 12 19m equivalent length of vent pipe Equivalent length is the total length of straight sections PLUS 5 feet 1 5m for each 90 degree elbow and 2 5 feet 75m for each 45 degree elbow If using a single section of Type B vent pipe seal the annular space between the inner and outer sections of the draft hood connector with a high te
14. mounted on a vertical vibration free surface free from air currents and in accordance with the furnished instructions also refer to Electrical Section START UP Also refer to lighting instruction plate equipped on the unit 1 Open the manual gas valve in the gas supply line to the unit heater with union connection loose purge air from the gas line Tighten the union and check for leaks A WARNING Never use an open flame to detect gas leaks Explosive conditions may exist which could result in personal injury or death Open the manual valve on the unit heater Turn ON the electrical power The unit should be under the control of the thermostat Turn the thermostat to the highest point and determine that the power venter motor starts and the burner ignite Turn the thermostat to the lowest point and determine that the power venter motor shuts off and the burner is extinguished 5 Turn the thermostat to the desired position 6 See Gas Input Rate and Adjustments sections PON SHUT DOWN 1 Turn the valve selector lever to the OFF position 2 Turn off the electricity 3 To relight follow start up instructions See Figure 25 for parts identification Figure 25 Burner Box Flame Sensor Flame Rollout Switch 24 Spark Ignitor Direct Spark Gas Valve D6929c PRIMARY AIR SHUTTER ADJUSTMENT Primary air adjustment is made at the factory No fi
15. systems operating under positive vent pressure Maintain 1 inch 25 4mm clearance between the vent pipe and combustible materials ADDITIONAL REQUIREMENT FOR CANADIAN INSTALLATIONS REFER TO SPECIFICATION TABLE AND INSTALLA TION MANUAL FOR PROPER USAGE The following instructions apply to Canadian installations in addition to installation and operating instructions 1 Installation must conform with local building codes or in the absence of local codes with current CGA B149 1 Installation Codes for Natural Gas Burning Appliances and Equipment or CGA B149 2 Installation Codes for Propane Gas Burning Appliances and Equipment Any reference to U S standards or codes in these instructions are to be ignored and the applicable Canadian standards or codes applied ANSI now organizes vented appliances into four categories Venting Categories Non Condensing Condensing Negative Vent Pressure Positive Vent Pressure I II HI Category I Includes non condensing appliances with negative vent pressure like the traditional atmospheric unit heater Category II Groups condensing appliances with negative vent pressure Category III Appliances are non condensing and operate with a positive vent pressure Category IV Covers condensing appliances with positive vent pressure NOTICE Category II and IV do not apply to equip ment specified within this manual STANDARD COMBUSTION VERTICALLY VE
16. terminals R and W1 on terminal strip 4 Defective high limit 4 Check switch for continuity if open with no heat present replace 5 Defective drafter prove switch 5 Check switch operation to ensure switch closes after draftor purge period If it does not make check tubing connections blockage 6 Loose wiring 6 Check all wiring per diagram 7 Improper ground 7 Check all ground wires and connections 8 Improper thermostat or transformer wiring 8 Check both for wiring according to diagram 9 Ignitor defective damaged 9 Replace ignitor 10 Misaligned ignitor 10 Resecure ignitor bracket 11 Defective gas valve 11 Check for 24V at gas valve terminals during trial for ignition period If present with no manifold pressure Replace valve 12 Blown fuse 12 Refer to symptom H Condensation 1 Improper venting 1 Refer to Installation Venting 2 Unit under fired 2 Check gas supply pressures to unit Refer to Installation 3 Building too cold 3 Refer to Installation 34 Table 9 Tubular Propeller Troubleshooting Guide continued SYMPTOMS POSSIBLE CAUSE S CORRECTIVE ACTION I Burner will not shut off Thermostat located incorrectly 1 Relocate thermostat away from outside wall or drafts 2 Improper thermostat wiring 2 Check thermostat circuit for open and close on terminal strip on heater R and W 3 Shorted ci
17. 0 Min 0 9M Min d Adjacent Building D 3330 29 Building Overhang Vent Terminal SEPARATED COMBUSTION VENTING continued AIR INLET COLLAR Remove screen and mounting plate from air inlet on rear panel of unit by removing 4 screws Secure inlet collar and gasket to inlet opening re using the 4 screws removed in step one EXHAUST AIR COLLAR Secure 5 4 reducer to flue collar on rear panel of unit sizes 090 105 and 120 Seal per exhaust venting instructions VERTICAL TERMINATION Select location on roof for vent terminal ensuring adequate space inside the building structure for concentric vent box Terminal must be at least 6 feet 1 8m from any wall or adjoining building See Figure 22 Cut a hole through the roof for combustion air pipe Concentric vent box is to be suspended from the underside of the roof using suitable brackets field supplied Before mounting box cut a length of 6 inch 152mm sizes 030 075 or 8 inch 203mm sizes 090 120 pipe so that dimension A Figure 22 is equal to the dimension from the top of the box to the roof surface plus 20 inches or plus maximum expected snow depth whichever is greater Fasten pipe to combustion air inlet connection of concentric vent box and seal joint Insert pipe through roof and fasten vent box in place Flash and or caulk pipe to roof Install inlet air screen assembly and faste
18. 000 849 3 3 2 039 9 7 9 500 711 2 9 1 709 8 3 5 500 833 3 3 2 000 9 6 10 000 696 2 8 1 673 8 1 6 000 818 3 2 1 964 9 5 Notes 1 Consult local utility for actual heating value 2 Tables based on heating value of 1 050 BTU Cu ft at sea level MAINTENANCE PERIODIC SERVICE 3 NOTICE The heater and vent system should be 4 checked once a year by a qualified technician All Maintenance Service information should be recorded accordingly on the Inspection Sheet provided in this manual A WARNING Open all disconnect switches and disconnect all electrical and gas supplies and secure in that position before servicing unit Failure to do so may result in personal injury or death from electrical shock A WARNING Gas tightness of the safety shut off valves must be checked on at least an annual basis To check gas tightness of the safety shut off valves turn offthe manual valve upstream of the appliance combination control Remove the 3 32 hex head plug on the inlet side of the combination control and connect a manometer to that tapping Turn the manual valve on to apply pressure to the combination control Note the pressure reading on the manometer then turn the valve off A loss of pressure indicates a leak If a leak is detected use a soap solution to check all threaded connections If no leak is found combination control is faulty and must be replaced before putting appliance back in service Should
19. 3 foot intervals 1m minimum intervals Use as few elbows as possible Seal all vent pipe joints and seams to prevent 2 Ft Min 0 61 M Min or 3M 425 aluminum foil tape or equivalent Avoid running vent pipe through unheated spaces When this cannot be avoided insulate the pipe to prevent condensation of moisture on the walls of the pipe Insulate vent pipe runs longer than 10 ft 3m Insulation should be a minimum of 1 2 12 7 mm thick foil faced Figure 12 III Approved Vent Terminal Use Insulated Stack Outdoors 2 Ft Min 152 Min Thimble 598r Min Distonce 1 95 4 MM from Pipe to Ceiling Use General Electric RTV 108 Dow Corning RTV 732 or equivalent silicone sealant with a temper ature rating of 500 deg F D4805D Vali 21 MM M Min Slope 10 Ft Max 3M Not to Exceed 75 Vertical Flue Height HORIZONTALLY VENTED CATEGORY I Figure 13 Observe the following precautions when venting the unit 1 Use flue pipe of the size shown on Table 5 All heaters must be vented with a UL Listed Type B or single wall vent Refer to Table 5 for dimensional restrictions Each unit must have an individual vent pipe and vent terminal Unit must not be connected to other vent systems or to a chimney A minimum vertical rise is required for Category I venting See
20. 7 D6922C ELECTRICAL CONNECTIONS continued Figure 10A UT Control Board FLAME UNUSED AC B HEAT L ACB COOL ACC1 ACC2 L1 L1 HUM CMB BLWR I aie N 8 9 L gt 1 OUO QOQ L 8 8 11J28 06881 1097 507 Y 0643 08604 Figure 11 Honeywell Control Board Eu Z4VAC 50 60Hz 0 2A Lf HONEYWELL ANSI 721 20 AUTOMATIC IGNITION SYSTEMS 24VAC COM 653 c T C OCIO O a 3 2 5 u z On u I I XMR L1 IND FAN DELAY XXXXX L it D8605 11 ELECTRICAL CONNECTIONS continued Figure 10B Tubular Propeller Units 30 120 with Natural and Propane LP Gas with Single Stage Gas Control and UT Control Board LINE IN C 115V R G wi 2 PICTORIAL CONTROL PANEL ACB Heat ACB Cool 5 24v Hot 24v Gnd 6 6 S S TERMINAL BLOCKS TO T STAT TO THERMOSTAT SUPPLIED BY OTHERS
21. 7 Pressure Regulator 1 2 2 psi G1 1 Stage 87K Mercury Free Thermostat G2 1 Stage 87K Mercury Free Thermostat w TG511A Guard Kit G3 1 Stage T834N Mercury Free Thermostat Fan Switch G5 2 Stage TH5220D Mercury Free Thermostat w Subbase G6 Locking Thermostat Cover G8 1 Stage T6169C Line Voltage Thermostat w Subbase G9 1 Stage T822K Mercury Free Thermostat P5 24V SPST Relay Specify Purpose VC 4 4 Vent Cap VC 5 5 Vent Cap Capacity 075 120 Category Horizontal Vent Only X7 4 Concentric Vent Kit Capacities 030 075 X7 5 Concentric Vent Kit Capacities 090 120 42 Customer GAS EQUIPMENT START UP Job Name amp Number PRE INSPECTION INFORMATION With power and gas off Type of Equip Unit Heater Serial Number Model Number Name Plate Voltage Name Plate Amperage Type of Gas Natural LP Tank Capacity Ibs Rating BTU __ F kg _ C Are all panels doors vent caps in place Has the unit suffered any external damage Damage Does the gas piping and electric wiring appear to be installed in a professional manner o Has the gas and electric been inspected by the local authority having jurisdiction Is the gas supply properly sized for the equipment Were the installation instructions followed when the equipment was installed Have all field installed controls been installed Do you understand all the controls on this equip
22. E INSTALLED IMMEDIATELY UPSTREAM OF THE GAS SUPPLY CONNECTION TO THE APPLIANCE WHEN INSTALLED ALTERNATE WITHIN THE COMMONWEALTH OF GAS MASSACHUSETTS A T HANDLE j GAS COCK MUST BE USED Do TO UNIT S EAr I I VALVE 41 1 3 MI GROUND JOINT UNION 76MM MIN DRIP PLUGGED 1 8 IN N P T TEST GAGE CONNECTION D3631C A WARNING Never use an open flame to detect gas leaks Explosive conditions may exist which may result in personal injury or death The appliance and its individual shutoff valve must be disconnected from the gas supply piping system during any pressure testing of that system in excess of 1 2 psig 8 5 kPa The appliance must be isolated from the gas supply piping system by closing its individual manual shutoff valve during any pressure testing of the gas supply piping system at test pressures equal to or less than 1 2 psig 3 5 kPa ELECTRICAL CONNECTIONS AWARNING HAZARDOUS VOLTAGE DISCONNECT ALL ELECTRIC POWER INCLUDING REMOTE DISCONNECTS BEFORE SERVICING Failure to disconnect power before servicing can cause severe personal injury or death Standard units are shipped for use on 115 volt 60 hertz single phase electric power The motor name plate and electrical rating of the transformer should be checked before energizing the unit heate
23. ERMOSTAT DRAFTOR FILE J49 08543 DATE 04 18 2008 REV B 14 NOTICE See Figures 7 8 9 10B 10C 11B and 11C for connecting the thermostat to the unit heater If using a standard low voltage thermostat with a sub base switch for fan control connect the G terminal of the thermostat to the G terminal of the unit heater ELECTRICAL CONNECTIONS continued Figure 11C Tubular Propeller Units 30 120 with Natural and Propane LP Gas with Optional Two Stage Gas Control and Honeywell Control Board PICTORIAL LINE IN 120V AC CONTROL PANEL ce BIB ue B EAC NEUTRALS OR CHASSIS Fog 66 HL RO y Hegy RD BL DS1 TERMINAL aa BLOCKS T STAT I YGWRC w2 S BL ere re rere G Sy 9100D W1 IGNITION CONTROLLER RIO RD TO THERMOSTAT SUPPLIED BY OTHERS R 5 9r 2 telc THERMOSTAT LADDER LINE IN 120V 1 60 ae ai T1 TRANSFORMER 24V WIRING BY OTHERS OR OPTIONS NEUTRALS ES IND 2 115 24 YA 2 50
24. G Never operate unit heaters without combustion air and flue gas piping in place or severe personal injury or death may occur A WARNING CARBON MONOXIDE Your venting system must not be blocked by any snow snow drifts or any foreign matter Inspect your venting system to ensure adequate ventilation exists at all times Failure to heed these warnings could result in Carbon Monoxide Poisoning symptoms include grogginess lethargy inappropriate tiredness or flu like symptoms The combustion air system installation must be in accordance with the current edition of the National Fuel Gas Code NFPA 54 or ANSI Z223 1 National Fuel Gas Code In Canada installation must be in accordance with CAN CGA B149 1 Installation Code for Natural Gas Burning Appliances and Equipment and CAN CGA B149 2 Installation Code for Propane Burning Appliances and Equipment The concentric vent box inlet air screen deflector disk and vent terminal provided with the unit heater must be installed at the termination point of the combustion air vent system See Figures 20 21 22 23 and 24 and Table 6 Each unit heater MUST have its own combustion air system It MUST NOT be connected to other air intake systems Use single wall pipe constructed of 26 GA galvanized steel or a material of equivalent durability and corrosion resistance for the vent system For installations in Canada use corrosion resistant and gas tight listed vent pipe con
25. Installation Code for Propane Burning Appliances and Equipment The Concentric Vent Kit which includes a concentric vent box air inlet screen deflector collar vent terminal and inlet air collar provided with the heater by the manufacturer MUST be installed at the termination point of the combustion air vent system See Figures 20 21 22 23 and 24 and Table 6 Each unit heater MUST have it s own vent system It MUST NOT be connected to other vent systems or to a chimney 10 SEPARATED COMBUSTION VENTING continued Use single wall pipe constructed of 26 GA galvanized steel or a material of equivalent durability and corrosion resistance for the vent system For installations in Canada use corrosion resistant and gas tight listed vent pipe conforming with local building codes or in the absence of local building codes with current CAN CGA B149 1 Installation Codes for Natural Gas Burning Appliances and Equipment or CAN CGA B149 2 Installation Codes for Propane Gas Burning Appliances and Equipment For residential installations in the United States vent pipe approved for Category III appliances must be used between the appliance and the concentric vent box unless 33 of the vent run is vertical then single wall galvanized vent pipe or double wall Type B vent pipe may be used between the appliance and the concentric vent box A single length of double wall Type B vent pipe must be used to go through the concentric vent box
26. LUE GASES N N FLUE kd TA u 8 TU 19 WALL C203 254MM MAXIMUM SEE INSTRUCTIONS BUILDING DVERHANG 3 0 MIN 0 9M MIN ADJACENT BUILDING 6 0 MIN h 1 8M MIN PITCH FLUE PIPE DOWN TOWARD OUTLET 1 4 PER FOOT 21MM M gt OF RUN TO ALLOW FOR CONDENSATE DRAINAGE CLEARANCE TO BE AS SPECIFIED D3661D ON TYPE B VENT PIPE 3 FEET 914 PLUS MAXIMUM SNOW DEPTH FOR AREA ABOVE GRADE Figure 19 SINGLE WALL VENT SYSTEM TO DOUBLE WALL TERMINATION 6 0 MIN MIN APPRDVED VENT CAP ADJACENT BUILDING SEE INSTRUCTIONS 2 FEET C609 M FIBERGLASS PLUS MAXIMUM SNOW INSULATION DEPTH FOR AREA MIN 2 THICK VERTICAL PIPE EX 51MM MIN TENSION OVER 12 305 MUST BE INSULATED ROOF ROOF PITCHED FLASHING FROM 0 TO 45 2 3662B zi Z 8 TO 10 TO AS SPECIFIED 203 254MM ON TYPE B TENT PIPE MAXIMUM EIE DIA VENT PIPE DIAMETER SEE SPECIFICATION TABLE D 25 WN AND B THE B VENT SEAL JOINT BETWEEN SINGLE WALL VENT VENT AND THE ANNULAR SPACE OF SEPARARTED COMBUSTION INSTALLATION VENTING CATEGORY III COMBUSTION AIR VENTING AND PIPING A WARNIN
27. MIN N 51 MIN TU PREVENT 88 MN N ALL AROUND BUILDING MATERIAL N DEGRADATION FROM FLUE GASES N N I M Uo KCOX X X XX XXX D3620E FLUE DIA N N N i PITCH FLUE PIPE lt N FLASHING DOWN TOWARD OUTLET 1 4 PER FOOT 21MM MX Scu MEE FIBERGLASS OF RUN TO ALLOW FOR glue TRIMBLE CONDENSATE DRAINAGE MAXIMUM SNOW DEPTH MINA FOR AREA ABOVE GRADE Figure 17 SINGLE WALL VENT SYSTEM TO SINGLE WALL TERMINATION 6 0 MIN 8M MIN APPROVED 4 VENT CAP ADJACENT BUILDING SEE INSTRUCTIONS IM 2 FEET C609 M FIBERGLASS PLUS MAXIMUM SNOW INSULATION DEPTH FOR AREA MIN 2 THICK H VERTICAL PIPE EX lt 51 MIN TENSION OVER 12 305 H MUST BE INSULATED ROOF H ROOF PITCHED FLASHING FROM 0 45 H H D3619B 4 H 14 H 2 CLEARANCE 51MM H 2 MIN THIMBLE 51 MIN CALL ARDUND VENT PIPE DIAMETER 24 SEE SPECIFICATION TABLE 1 Figure 18 VENTING continued HORIZONTAL ARRANGEMENT SINGLE WALL VENT SYSTEM T DOUBLE WALL TERMINATION SEAL JOINT BETWEEN SINGLE WALL VENT AND BY VENT AND THE ANNULAR SPACE DF THE 8 VENT r VENT PIPE DIAMETER APPROVED SEE SPECIFICATION TABLE 1 VENT CAP 12 MIN 305 mm MIN 10 PREVENT BUILDING MATERIAL DEGRADATION FROM N F
28. NECTION OR NO CONNECTION BK BLACK AUTOMATIC IGNITION 115V 1 60 THERMOSTAT DRAFTOR FILE J49 08379 DATE 12 20 2007 REV C 12 NOTICE See Figures 7 8 9 10B 10C 11B and 11C for connecting the thermostat to the unit heater If using a standard low voltage thermostat with a sub base switch for fan control connect the G terminal of the thermostat to the G terminal of the unit heater ELECTRICAL CONNECTIONS continued Figure 10C Tubular Propeller Units 60 120 with Natural and Propane LP Gas with Optional Two Stage Gas Control and UT Control Board PICTORIAL LINE IN 115V AC CONTROL PANEL ACB Heat ACB Cool 1 H CMB TERMINAL BLOCKS TO T STAT TO THERMOSTAT SUPPLIED BY OTHERS ACB Heat adj 1468 Cool S ud CMB e v L1 2 1 7 115V 24V 1 712 50 VA P1 6 rez OR HE RO 124v Hot Ec 55 aR 051 n P1 5 t cr w C NO a P1 3 co MI THERMOSTAT 1 4 mek Wr 1 FS r MWH Ee jsensor Spark r S ce 24v Gnd r STG 2 w2 H LEGEND KEY UNIT BY MANUFACTURER 051 DRAFTER PRESSURE Psy MIRNE TUBULAR PROPELLER BY MANUFACTURER 24
29. NTED CATEGORY I Figure 12 Observe the following precautions when venting the unit 1 Use flue pipe of the same size as the flue connection s on the gas unit heater 4 102mm All heaters must be vented with a UL Listed Type B or single wall vent a factory built chimney or a lined brick and mortar chimney that has been constructed in accordance with the National Building Code All tables and dimensions assume B vent for the flue and single wall pipe or B vent for the connector Each unit must have an individual vent pipe and vent terminal Unit must not be connected to other vent systems or to a chimney A minimum vertical rise of 5 feet 1 5m is required for Category I venting The top of the vent pipe should extend at least 2 feet 0 61m above the highest point on the roof Consideration should be made for anticipated snow depth Install an Amerivent Americap or Metalbestos vent cap over the vent opening 4 Slope horizontal runs upward from the gas unit heater at least 1 4 inch per foot 21mm m minimum Horizontal Vent Connector length should not exceed 75 of the vertical height of the vent pipe for single wall or 100 of the vertical height for B Vent connectors Maximum vent connector length is 10 feet 3m For exceptions see Ch 10 of the National Fuel Gas Code ANSI 2223 1 Horizontal portions of the venting system shall be supported at minimum intervals of 4 feet 1 2m in Canada support at
30. ONE SEALANT D 06876B SINGLE WALL VENT PIPE Figure 22 Vertical Intake Vent Installation 6 Feet 1 8M Min Vent Terminal 9 172 Min Deflector Disk Inlet Air Screen 63 5MM 20 508MM Min Size for expected snow depth ye roar Pi Flashing Tq One Piece A By 1 BY Vent Concentric Vent Box Concentric Vent Box L Inlet Air Pipe Flue Pipe 21IMM M Min Slope T Rear View I 10 Ft Mox 3 05 TUE Side View Not to Exceed 337 Vertical Flue Height D 8607 28 VENTING continued Figure 23 Horizontal Intake Vent Installation Inlet Air Screen Deflector Disk Vent Terminal 9 1 2 Min 241MM e 1 0 63 5MM 12 305MM Min Above Grade or Max Snow Depth B FN Vent One Piece Inlet Air Pipe Flue Pi NN T 4 Min 102MM _ _ 8 C local rox 1 4 XK 1MM M Min Slope ondensate Drain with Trap If required by authorities Concentric Vent Box D 06878B Figure 24 Horizontal Intake Vent Installation 6 0 Min 1 8M Min 3
31. T wv G WR C BL G S S9100D RD IGNITION CONTROLLER TO THERMOSTAT DRAFTER PRESSURE SWITCH HL HIGH LIMIT T1 TRANSFORMER MV GAS VALVE M1 DRAFTER MOTOR M2 FAN MOTOR RO ROLLOUT SWITCH SUPPLIED BY OTHERS R ler eL R x w a w e 4672 cit THERMOSTAT 1834 THERMOSTAT LADDER ar LINE IN 120V 1 60 50001 I I I t bo IM NEUTRALS E51 IND Tgnitor 1081 r THERMOSTAT VI h y A 4 LEGEND KEY UNIT 051 BY MANUFACTURER TUBULAR PROPELLER 115V 1 60 WIRING BY MANUFACTURER 24V WIRING BY OTHERS OR OPTIONS 115V 1 60 WIRING BY OTHERS OR OPTIONS 24 WIRING TERMINAL BLOCK OR FIELD CONNECTION POINT UNIT HEATERS 30 120 NAT amp LP 591000 IGNITION CONTROLLER WIRE CROSSING DIAGRAM RECORD NO CONNECTION WIRE CONNECTION o WIRE CONNECTION SHOULD EXIST NOTE COLOR KEY IF AN OPTIONAL COMPONENT 5 BLUE 08 ORANGE NOT USED WITH RESPECT TO RD RED YL YELLOW THE COMPONENT TYPE A DIRECT WH WHITE GR GREEN CONNECTION OR NO CONNECTION BK BLACK AUTOMATIC IGNITION 115V 1 60 TH
32. V WIRING 60 120 NAT amp LP iy 85558 BY ys OR OPTIONS 115V 1 60 WIRING UT 1097 Mi DRAFTER MOTOR BY OTHERS OR OPTIONS M2 FAN MOTOR 24 WIRING IGNITION CONTROLLER RO ROLLOUT SWITCH e TERMINAL BLOCK OR TWO STAGE FIELD CONNECTION POINT WIRE CROSSING DIAGRAM RECORD eaten AUTOMATIC IGNITION WIRE CONNECTION WIRE CONNECTION 115V 1 60 THERMOSTAT NOTE COLOR KEY DRAFTOR IF AN OPTIONAL COMPONENT IS m NOT USED WITH RESPECT TO hb Z PEDT On TCU iyo 80 gt REL FLE CONNECTION SHOULD Exist BK BLACK DATE 12 20 2007 13 NOTICE See Figures 7 8 9 10B 10C 11B and 11C for connecting the thermostat to the unit heater If using a standard low voltage thermostat with a sub base switch for fan control connect the G terminal of the thermostat to the G terminal of the unit heater ELECTRICAL CONNECTIONS continued Figure 11B Tubular Propeller Units 30 120 with Natural and Propane LP Gas with Single Stage Gas Control and Honeywell Control Board PICTORIAL CONTROL PANEL 5 5 CHASSIS LINE IN GR 120V AC HL RO 4 8 H Heh RD WH BL 4 WHI i d 31 51 PK 24VAC te TERMINAL GR e BLOCKS Rua te ITO T STA
33. X 1 2 3 4 5 6 7 8 9 10 111 12 13 14 15 Item Prefix UT CA FT FM GT AL GC SV MT DL AS Internal use Only 1 2 Unit Type UT GG Residential Tubular Propeller UH 3 4 5 Capacity CA 030 30 000 BTU HR 045 45 000 BTU HR 060 60 000 BTU HR 075 75 000 BTU HR 090 90 000 BTU HR 105 105 000 BTU HR 120 120 000 BTU HR 6 Furnace Type FT A Right Hand Access 7 Furnace Material FM 1 Aluminized Steel Standard 2 409 Stainless Steel 8 Gas Type GT N Natural Gas P Propane LP Gas 9 Altitude AL P Canadian Hi Alt 2000 4500 Ft S 0 4999 Ft T 5000 11 999 Ft Note Unit installations over 2000 ft require gas input deration in the field Refer to unit installation instructions 10 Gas Control GC A Single Stage Standard B Two Stage CA 060 through 120 Only 11 Supply Voltage SV 1 115 1 60 4 208 3 60 7 575 3 60 2 208 1 60 5 230 3 60 Z Other 3 230 1 60 6 460 3 60 Note Supply Voltage SV 2 thru 7 includes a field mounted step down transformer 12 Motor Type MT 1 Open Drip Proof Standard 2 Totally Enclosed Capacities 060 through 120 Only 13 Development Level DL A Revision Level Production Onset 14 15 Accessories AS FACTORY INSTALLED 53 Stainless Steel Flue Collector 21 Special FIELD INSTALLED AS
34. acity 3 5 3 5 4 4 4 8 7 5 7 5 7 5 MOTOR DATA Motor HP 1 20 1 20 1 12 1 12 1 10 1 10 1 10 Motor kW 0 04 0 04 0 06 0 06 0 075 0 075 0 075 Motor Type SP SP SP SP SP SP SP R P M 1650 1650 1050 1050 1050 1050 1050 Motor Amps 115V 1 9 1 9 2 6 2 6 4 2 4 2 4 2 DIMENSIONAL DATA inches mm A Jacket Height 12 3 8 12 3 8 15 7 8 15 7 8 22 5 8 22 5 8 22 5 8 314 314 403 403 574 574 574 B Overall Height 13 1 4 13 1 4 16 13 16 16 13 16 23 9 16 23 9 16 23 9 16 337 337 427 427 598 598 598 C Overall Depth 25 7 8 25 7 8 26 3 16 26 3 16 26 3 8 26 3 8 26 3 8 632 632 665 665 670 670 670 D1 Center Line Height of Flue 8 1 2 8 1 2 10 3 8 10 3 8 13 5 8 13 5 8 13 5 8 216 216 263 263 346 346 346 D2 Center Line Height of Air Intake 8 1 2 8 1 2 8 8 8 5 8 8 5 8 8 5 8 216 216 203 203 219 219 219 E Fan Diameter 10 10 14 14 16 16 16 254 254 356 356 406 406 406 F Discharge Opening Height 10 13 16 10 13 16 14 7 16 14 7 16 21 3 16 21 3 16 21 3 16 275 275 367 367 538 538 538 G Vent Connection Diameter 4 4 4 4 4 4 4 102 102 102 102 102 102 102 H1 Center Line of Flue Connection From Side 7 1 4 7 1 4 7 1 4 7 1 4 7 3 4 7 3 4 7 3 4 184 184 184 184 197 197 197 H2 Center Line of Air Intake From Side 2 3 4 2 3 4 2 3 4 2 3 4 3 1 2 3 1 2 3 1 2 70 70 70 70 89 89 89 Vent Size Requ
35. and outside wall to the vent terminal Any run of single wall vent pipe passing through an unheated space must be insulated with an insulation suitable to 550 F The vent system must be installed to prevent collection of condensate Pitch horizontal pipes downward 1 4 inch per foot 21mm per meter toward the vent cap to facilitate drainage Vertical vent pipes should be piped as depicted in Figure 22 The equivalent length of the vent system must not be less than 5 feet 1 5m and must not exceed 30 feet 9m The equivalent length equals the total length of straight pipe plus 5 feet 1 5m for each 90 elbow and 2 5 feet 0 76m for each 45 elbow Each slip joint must be secured with at least three corrosion resistant screws Two full turns of 3M 425 Aluminum Foil tape or its equivalent must then be used to seal each joint High temperature silicone sealant may be used instead of the tape Silicone sealant must be used to seal the joint between the Type B vent pipe and the single wall pipe For horizontal vent systems longer than 5 feet 1 5m the system must be supported from overhead building structures at 4 foot 1 2m intervals in the U S and at 3 foot 0 91m intervals in NOTICE Increasing the clearance distances may be necessary if there is a possibility of distortion or discoloration of adjacent materials 11 The top of a VERTICALLY VENTED exhaust system 12 must extend at least 3 feet 0 91m above the roof su
36. e ignored At altitudes of 2000 to 4500 ft 610 to 1372m the unit heaters must be orificed to 90 of the normal altitude rating and be so marked in accordance with ETL certification TUBULAR UNIT HEATER HIGH ALTITUDE DERATION This Tubular Unit Heater has been manufactured utilizing standard burner orifices and a normal manifold pressure setting as per the specifications shown on your unit rating plate refer to Tables 3 7 and 8 All unit deration must be done through field adjustments by a qualified technician refer to Table 8 Once the proper adjustments are made in the field attach label J17 06459 to the unit and record adjusted manifold pressure altitude of the unit installation and the technician s name and date on the label using a permanent marker Table 8 NATURAL GAS PROPANE LP GAS NATURAL GAS PROPANE LP GAS Heating Manifold Heating Manifold Heating Manifold Heating Manifold Altitude Value Pressure Value Pressure Altitude Value Pressure Value Pressure Feet BTU Cu ft In W C BTU Cu ft In W C Feet BTU Cu ft In W C BTU Cu ft In W C 2 000 948 3 5 2 278 10 0 6 500 802 3 2 1 927 9 3 2 500 931 3 5 2 237 10 0 7 000 787 3 1 1 891 9 2 3 000 914 3 5 2 196 10 0 7 500 771 3 1 1 853 9 0 3 500 897 3 4 2 156 10 0 8 000 756 3 1 1 817 8 9 4 000 881 3 4 2 116 10 0 8 500 741 3 0 1 781 8 7 4 500 865 3 4 2 077 9 9 9 000 726 2 9 1 745 8 5 5
37. e materials Seal all vent pipe joints and seams to prevent leakage Use General Electric RTV 108 Dow Corning RTV 732 or equivalent silicone sealant with a temper ature rating of 500 deg F or 3M 425 aluminum foil tape or equivalent The vent system must be installed to prevent collection of condensate Pitch horizontal pipes downward 1 4 inch per foot 21mm per meter toward the outlet for condensate drainage Install a tee witha condensate drain at the low point of the pipe see Figure 15A As an alternate a 3 8 inch diameter hole may be drilled at the low point of the pipe for condensate drainage Horizontal portions of the venting system shall be supported at minimum intervals of 4 feet 1 2m to prevent sagging in Canada support at 3 foot 1m minimum intervals Avoid running vent pipe through unheated spaces When this cannot be avoided insulate the pipe to prevent condensation of moisture on the walls of the pipe STANDARD COMBUSTION VERTICALLY VENTED CATEGORY III Figure 17 amp 19 Observe the following precautions when venting the unit 1 Use flue pipe of the same size as the flue connection s on the gas unit heater 4 102mm All heaters must be vented with a single or double wall pipe listed for positive pressure vent systems Each unit must have an individual vent pipe and vent terminal Unit MUST NOT be connected to other vent systems or to a chimney Figure 15 3 4
38. e means of disconnecting power when installing or servicing heater Always disconnect power at main circuit breaker as described above Failure to do so could result in fatal electric shock Special attention must be given to any grounding information pertaining to this heater To prevent the risk of electrocution the heater must be securely and adequately grounded This should be accomplished by connecting a ground conductor between the service panel and the heater To ensure a proper ground the grounding means must be tested by a qualified electrician Do not insert fingers or foreign objects into heater or its air moving device Do not block or tamper with the heater in any manner while in operation or just after it has been turned off as some parts maybe hot enough to cause injury This heater is intended for general heating applications ONLY It must NOT be used in potentially dangerous locations such as flammable explosive chemical laden or wet atmospheres Do not attach ductwork to this product or use it as a makeup air heater Such usage voids the warranty and will create unsafe operation In cases in which property damage may result from malfunction of the heater a back up system or temperature sensitive alarm should be used Should overheating occur or the gas supply fail to shut off shut off the manual gas valve to the appliance before shutting off the electrical supply A CAUTION The open end of pi
39. e that the structure to which the unit heater is to be mounted is capable of safely supporting its weight 10 X 1 2 Screw Under no circumstances must the Install Hangers To Front And Rear Of Unit With 10 X 1 2 Screws gas lines the venting system or 10 Plcs As Shown the electrical conduit be used to support the heater or should any other objects i e ladder person lean against the heater gas lines Figure 4 Heater Mounting Steel Construction venting system or the electrical conduit for support Failure to Steel Construction heed these warnings may result 27 1 4 Max in property damage personal 695 mm injury or death Hanger Spacing A CAUTION Unit Heaters must be hung level from side to side and from front to back see Figures 3 4 and 5 Failure to do so will result in poor performance and or premature failure of the unit 20 3 4 3 8 Threaded Rod B 546 mm 7 Hanger Spacing Nuts and Washers both sides of Bracket AWARNING Ensure that all 08598 hardware used in the suspension Side View of each unit heater is more than adequate for the job Failure to do so may result in extensive property damage severe personal Figure 5 Heater Mounting Wood Construction injury or death 16 dd 24 20 3 4 406 TO 610 mm 527 mm Refer to Figures 3 4 and 5 for Joist Centers Joist Hanger Spacing suspension of units
40. ed 4 Check gas input and manifold pressures D Floating flame 1 Blocked venting 1 Clean Flue Refer to Installation 2 Insufficient combustion air 2 Clean combustion air inlet openings 3 Blocked heat exchanger 3 Clean heat exchanger Refer to Installation 4 Air leak into combustion chamber flue 4 Determine cause and repair accordingly collector or draft hood E Gas odor 1 Gas pipe leak 1 Inspect all gas piping and repair Shut off gas supply immediately 2 Leaking gas test port on valve 2 Check to ensure gas test ports are seated 3 Blocked heat exchanger 3 Clean heat exchanger flue 4 Blocked draft hood 4 Clean flue collector 5 Negative pressure in the building 5 See Installation F Delayed ignition 1 Improper ground 1 Check grounding wires and spark bracket connections 2 Bad or broken spark cable 2 Inspect spark cable connections and cuts 3 Faulty control 3 Check to ensure spark is energized after pre purge period 4 Manifold pressure set too low 4 Test and reset manifold pressure refer to Operations 5 Main burner orifice dirty 5 Clean or replace orifice 6 Improper venting 6 Refer to Installation G Failure to ignite Gas supply is off 2 No power supply to unit Open all manual valves check for leaks 2 Turn on power supply check fuses and replace if bad 3 Thermostat not calling 3 Turn up thermostat Check for 24v on
41. ed to light in four ignition trials 1 Gas supply off or gas pressure too low 2 Flame sense rod contaminated or loose wire 3 Gas valve switch is off or wires are not connected 4 Broken or cracked porcelain on spark ignitor allowing spark to jump to ground and not between end of probes 6 2 Softlockout Limit circuit opened during run 1 Open manual reset rollout switch recycle counter at its maximum 2 Gas pressure too high over fired condition causing high limit to open 3 Incorrect airflow due to blockage or fan motor not operating 6 3 Softlockout Pressure Switch opened during run did not 1 Check pressure from drafter and see if it reads above reclose within 2 seconds flame lost and recycle at its set point on pressure switch Replace bad pressure maximum switch 6 4 Softlockout Flame failed during run 1 Check sensor wire and make sure it is connected recycle at its maximum properly 6 5 Flame sensed while out of sequence and is now gone 7 1 Lockout Bad fuse detected 1 Check for short If no short replace fuse and start unit 2 If no short is found check gas valve for possible over amp condition Replace gas valve 7 2 Lockout Low voltage on 24VAC input 1 Check transformer for proper voltage Replace transformer if not correct 7 4 Lockout Flame 809 shorted to ground or there is a big 1 Switch off power and check flame rod wiring leakage from flame rod to ground 7 5 Lockout Gas Valve fault 1 Turn uni
42. eld adjustments are necessary GAS INPUT RATE Check the gas input rate as follows Refer to General Safety Information section for metric conversions A CAUTION Never overfire the unit heater as this may cause unsatisfactory operation or shorten the life of the heater 1 Turn off all gas appliances that use gas through the same meter as the unit heater 2 Turn the gas on to the unit heater 3 Clock the time in seconds required to burn 1 cubic foot of gas by checking the gas meter 4 Insert the time required to burn one cubic foot of gas into the following formula and compute the input rate Hr X BT Ft 3600 Sec per Hr U Cu Input Rate Time Sec For example Assume the BTU content of one cubic foot of gas is 1000 and that it takes 48 seconds to burn one cubic foot of gas 3600 x 1000 48 75 000 NOTICE If the computation exceeds or is less than 9596 of the gas BTU hr input rating see Table 1 adjust the gas pressure Adjust the gas pressure as follows 1 NATURAL GAS Best results are obtained when the unit heater is operating at its full rated input with the manifold pressure of 3 5 inches W C 0 9 kPa Adjustment of the pressure regulator is not normally necessary since it is preset at the factory However field adjustment may be made as follows a Attach manometer at the pressure tap plug below the control outlet Remove the regulator adjustment screw cap
43. er AIR FOR COMBUSTION The unit heater shall be installed in a location in which the facilities for ventilation permit satisfactory combustion of gas proper venting and the maintenance of ambient air at safe limits under normal conditions of use The unit heater shall be located in such a manner as not to interfere with proper circulation of air within the confined space When buildings are so tight that normal infiltration does not meet air requirements outside air shall be introduced per Sections 1 3 4 2 and 1 3 4 3 of ANSI Z223 1 for combustion requirements A permanent opening or openings having a total free area of not less than one square inch per 5 000 BTU Hr 1 5 kW of total input rating of all appliances within the space shall be provided NOTICE Unit Heater sizing should be based on heat loss calculations where the unit heater output equals or exceeds heat loss CLEARANCES Each Gas Unit Heater shall be located with respect to building construction and other equipment so as to permit access to the Unit Heater Clearance between vertical walls and the vertical sides of the Unit Heater shall be no less than 1 inch 25 4mm However to ensure access to the control box and fan a minimum of 18 457mm is required for the fan and control box side A minimum clearance of 1 inch 25 4mm must be maintained between the top of the Unit Heater and the ceiling The bottom of the Unit Heater must be no less than 1 inch 25 4mm fro
44. f during operation 1 Power venter improperly wired 2 Motor overload cycling or defective motor 3 Defective control board Check power venter circuit per wiring diagram Check motor voltage and amp draw to motor name plate replace if motor found defective Check for continuous 115v on terminal CMB Blower during call for heat replace board if found defective V Power venter will not stop 1 Power venter improperly wired 2 Main burner did not light on call for heat 3 Defective control board 4 Loss of pressure Pressure switch not made Check power venter circuit per wiring diagram Heater is in lockout mode check flash code table for problem No flash codes present along with no call for heat replace control board Check venting for blockage Check tubing for blockage or hole Check spud for blockage 36 Table 10A Troubleshooting with LED Indicator Assistance for UT Control Board A WARNING Line voltage power can cause product damage severe injury or death Only a trained experienced service technician should perform this trouble shooting 1 Check the system thermo stat to make sure it is call ing for heat Do not cycle the thermostat on and off at this time 2 Remove the access panel Do not interrupt power to the control board by opening any electrically interlocked panels 3 Observe the LED indicato
45. f maximum heat loss When multiple heaters are involved circulation of air around the perimeter is recommended where heated air flows along exposed walls Satisfactory results can also be obtained where multiple heaters are located toward the center of the area with heated air directed toward the outside walls Be careful to avoid all obstacles and obstructions which could impede the warm air distribution patterns Unit heaters should not be installed to maintain low temperatures and or freeze protection of buildings A minimum of 50 F 10 C thermostat setting must be maintained If unit heaters are operated to maintain lower than 50 F 10 C hot flue gases are cooled inside the heat exchanger to a point where water vapor a flue gas by product condenses onto the heat exchanger walls The result is a mildly corrosive acid that prematurely corrodes the aluminized heat exchanger and can actually drip water down from the unit heater onto floor surface Additional unit heaters should be installed if a minimum 50 F 10 C thermostat setting cannot be maintained AWARNING Should overheating occur or the gas supply fail to shut off shut off the manual gas valve to the appliance before shutting off the electrical supply AWARNING Do not use this appliance if any part has been under water Immediately call a qualified service technician to inspect the appliance and replace any gas control which has been underwat
46. fe condition could result 3 The direct ignition system consists of an ignition control module and a gas valve When the pre purge period ends the spark ignition system is energized and the gas valve opens to supply gas to the burner When the thermostat is satisfied the vent system is de energized and the valve closes to stop the flow of gas to the unit 4 The limit switch interrupts the flow of electric current tothe control board interrupting the flow of gas to the gas valve if the unit heater becomes overheated 5 The flame roll out switch interrupts the flow of electric current to the control board interrupting the flow of gas to the unit heater in the event of sustained flame roll out from the burner area If this switch trips DETERMINE AND CORRECT THE CAUSE of the flame roll out 6 Once the thermostat is satisfied or the limit switch interrupts the flow of electric current to the control board the unit will begin a post purge period When the post purge period ends the power venter motor is de energized 7 The fan operation is delayed 30 seconds once the thermostat is closed and continues operation for 30 seconds after the thermostat opens The start up fan delay must not exceed 30 seconds from a cold start 8 The wall thermostat supplied optionally is a temperature sensitive switch that operates the vent system and ignition system to control the temperature of the space being heated The thermostat must be
47. forming with local building codes or in the absence of local building codes with current CAN CGA B149 1 Installation Codes for Natural Gas Burning Appliances and Equipment or CAN CGA B149 2 Installation Codes for Propane Gas Burning Appliances and Equipment For residential installations in the United States vent pipe approved for Category III appliances must be used between the appliance and the concentric vent box unless 33 of the vent run is vertical then single wall galvanized vent pipe or double wall Type B vent pipe may be used between the appliance and the concentric vent box A single length of double wall Type B vent pipe must be used to go through the concentric vent box and outside wall to the vent terminal A WARNING Never use pipe other than diameter stated in Table 1 Never use PVC ABS or any other non metallic pipe for venting To do so may result in serious damage to the unit and or severe personal injury or death 26 5 Long runs of single wall combustion air piping passing through an unheated space may require insulating if condensation becomes noticeable The combustion air system must be installed to prevent collection of condensate Pitch horizontal pipes downward 1 4 inch per foot toward the inlet cap to facilitate drainage Vertical combustion air pipes should be piped as depicted in Figure 22 The equivalent length of the combustion air system must not be less than 5 feet 1 5m and must
48. ger Bracket 35 Manifold Clamp 36 Pipe Nipple 37 Left Side Panel 38 Manifold Support Bracket Kit 39 Spring 40 Grommet 41 Inlet Screen Assembly 42 Burner Box View Port The orifice shown are for units operating at normal altitudes of 0 to 2000 ft 610m When replacing a flue collector make sure that the flue collector box is sealed 39 completely with factory supplied gasket IDENTIFICATION OF PARTS RESIDENTIAL TUBULAR 30 120 MBH UNIT SIZES Figure 26 Propeller Parts Fan Guard Motor Hardware Hardware D4430 NOTE No rubber grommets are supplied with the 30 and 45 unit sizes Figure 27 Component Parts D03339 Gas Valve Figure 28 Internal Furnace Components Unit Tube Size Quantity 30 MBH 45 MBH 60 MBH 75 MBH 90 MBH 105 MBH 120 MBH N w gt Tube D4809C Vestibule Panel Heat Exchanger Assembly 40 Figure 29 Power Ventor Assembly aD D4810 HOW TO ORDER REPLACEMENT PARTS Please send the following information to your local representative if further assistance is needed contact the manufacturer s customer service department eModel Number eSerial Number ePart Description and Number as shown in Replacement
49. he table 3 FOR PROPANE GAS Multiply the Cu Ft Hr value by 0 633 then use the table 4 Refer to the metric conversion factors listed in the General Safety section for SI Unit measurement conversions 8 PIPE INSTALLATION 1 Installthe gas piping in accordance with applicable local codes 2 Check gas supply pressure Each unit heater must be connected to a gas supply capable of supplying its full rated capacity as specified in Table 3 A field LP tank regulator must be used to limit the supply pressure to a maximum of 14 in W C 3 5 kPa All piping should be sized in accordance with the latest edition of ANSI Standard Z223 1 National Fuel Gas Code in Canada according to CGA B149 See Tables 1 amp 2 for correct gas piping size and also refer to Tables 3 7 and 8 If gas pressure is excessive on natural gas applications install a pressure regulating valve in the line upstream from the main shutoff valve 3 Adequately support the piping to prevent strain on the gas manifold and controls 4 To prevent the mixing of moisture with gas run the take off piping from the top or side of the main 5 Standard Unit Heaters are supplied with a combination valve which includes a Manual A valve b Manual B valve c Solenoid valve d Pressure regulator Pipe directly into the combination valve see Figure 6 6 Gas valve has a pressure test post requiring a 3 32 hex head wrench to read gas supply and manifold pres
50. heater in any way or damage to the unit and or severe personal injury or death may occur A WARNING pisconnect all power and gas supplies before installing or servicing the heater If the power disconnect is out of sight lock it in the open position and tag it to prevent unexpected application of power Failure to do so could result in fatal electric shock or severe personal injury A CAUTION Ensure that all power sources conform to the requirements of the unit heater or damage to the unit will result Follow installation instructions CAREFULLY to avoid creating unsafe conditions All wiring should be done and checked by a qualified electrician using copper wire only All gas connections should be made and leak tested by a suitably qualified individual per instructions in this manual Also follow procedures listed on Gas Equipment Start Up Sheet located in this manual Use only the fuel for which the heater is designed see rating plate Using LP gas in a heater that requires natural gas or vice versa will create risk of gas leaks carbon monoxide poisoning and explosion A WARNING Conversion to a fuel other than that listed on the rating plate is permitted only with a factory supplied ETL approved conversion kit Make certain that the power source conforms to the electrical requirements of the heater A WARNING Do not depend upon a thermostat or other switch as sol
51. hree small equally spaced holes through the collar of the concentric vent box and inserting sheet metal screws Install deflector disk on Type B vent pipe 2 1 2 inches 63 5mm from inlet air screen and fasten with screws Install vent terminal on end of Type B vent pipe fasten with screws and seal joint Connectflue pipe and combustion air pipe from concentric vent box to unit following instructions on pages 26 and 27 Joint between Type B vent pipe and single wall vent pipe must be sealed with high temperature silicone sealant See Figure 21 Collars on unit and on concentric vent box are sized so that crimped ends of combustion air pipes go toward the unit and crimped ends of flue pipes go away from the unit OPERATION POWER VENTED PROPELLER UNITS DIRECT SPARK IGNITION EXPLANATION OF CONTROLS See Figure 25 1 Each Unit Heater comes equipped with a power vent system that consists of a power venter motor and blower pressure switch and sealed flue collector in place of the conventional draft diverter 2 The power venter motor is energized by the room thermostat through the integrated control board when a demand for heat is sensed The pressure switch measures the flow through the vent system and energizes the direct spark ignition system beginning the pre purge timing when the flow is correct AWARNING The pressure switch MUST NOT be bypassed The unit MUST NOT be fired unless the power venter is operating An unsa
52. irements Standard Combustion Category Horizontal 4 4 4 5 5 5 5 102 102 102 127 127 127 127 Category III Horizontal 4 4 4 4 4 4 4 102 102 102 102 102 102 102 Category amp III Vertical 4 4 4 4 4 4 4 102 102 102 102 102 102 102 Vent Size Requirements Separated Combustion Exhaust Diameter 4 4 4 4 5 5 5 102 102 102 102 127 127 127 Intake Air Diameter 4 4 4 4 5 5 5 102 102 102 102 127 127 127 Unit Weight Ibs 57 60 75 87 96 103 112 kgs 27 29 34 37 45 48 49 Shipping Weight Ibs 67 70 90 96 109 143 152 kgs 32 33 41 44 51 66 67 For all installations the flue collar is included with the unit and should be field installed per the instructions included with the unit 4 5 reducer supplied where required 1 Ratings shown are for unit installations at elevations between 0 and 2 000 ft 0 to 610m For unit installations in U S A above 2 000 ft 610m the unit input must be derated 4 for each 1 000 ft 305m above sea level refer to local codes or in absence of local codes refer to the latest edition of the National Fuel Gas Code ANSI Standard 2223 1 No 54 also refer to Table 6 Figure 2 Dimensional Drawing Tubular 30 thru 120 Propeller Unit Heater 27 5 16 694 mm Maximum Hanger Spacing 24 610 mm Hanger Spacing L 16 406 mm Hanger Spacing
53. located on the combination gas valve With a small screwdriver rotate the adjustment screw counterclockwise to decrease pressure or clockwise to increase pressure Replace regulator adjustment screw cap b 32 2 PROPANE GAS An exact manifold pressure of 10 0 inches W C 2 5 kPa must be maintained for proper operation of the unit heater If the unit is equipped with a pressure regulator on the combination gas valve follow steps a through d above If the unit is not so equipped the propane gas supply system pressure must be regulated to attain this manifold operating pressure 3 The adjusted manifold pressure should not vary more than 1096 from pressure specified in Tables 7 amp 8 Table 7 Main Burner Orifice Schedule TYPE OF GAS NATURAL PROPANE T HEATING VALUE 1075 BTU Ft 2500 BTU Ft INPUT 40 1 MJ m 93 1 MJ m IN NO OF 1000 3 5 W C 10 W C BURNER BRI 0 87kPA 2 49 kPA ORIFICES FT S HR 28 12 ORIFICE DRILL 38 52 m FT HR 42 18 1 ORIFICE DRILL 1 8 48 m FT HR 56 24 7 ORIFICE DRILL 27 42 EE FT HR 70 30 P ORIFICE DRILL 20 37 E FT HR 84 36 ORIFICE DRILL 16 35 FT HR 98 42 105 ORIFICE DRILL 11 31 FT HR 112 48 120 ORIFICE DRILL 5 1 8 1 This schedule is for units operating at normal altitudes of 2000 ft 610m or less When installed in Canada any references to deration at altitudes in excess of 2000 ft 610m are to b
54. m any combustible The distance between the flue collector and any combustible must be no less than 1 inch 25 4mm Also see AIR FOR COMBUSTION and VENTING sections NOTICE Increasing the clearance distances may be necessary if there is a possibility of distortion or discoloration of adjacent materials MOUNTING The Unit Heater may be mounted with the vent outlet gas and electrical connections to the right or left of the air moving fan The Unit Heater is shipped with the connections to the right of the fan when looking in the direction of the air flow If connections to the right are required remove hanger brackets from face of unit and attach as pictured in Figure 3 If connections to the left are required invert the heater 180 mount the hanging brackets as above and remove invert and replace the control access panel and the air discharge louvers INSTALLATION continued The Unit Heater may be mounted by Figure 3 Hanger Bracket Installation Instructions fastening the hanging brackets directly to ceiling joists or by suspending from four rods See Figures 3 4 and 5 AWARNING Make certain that the lifting methods used to lift the heater and the method of suspen sion used in the field installation of the heater are capable of uniformly supporting the weight of the heater at all times Failure to heed this warning may result in property damage or personal injury A WARNING Make sur
55. maintenance be required perform the following inspection and service routine 1 Inspect the area near the unit to be sure that there is no combustible material located within the minimum clearance requirements listed in this manual A WARNING Under no circumstances should combustible material be located within the clearances specified in this manual Failure to provide proper clearance could result in personal injury or equipment damage from fire 2 Turn off the manual gas valve and electrical power to the unit heater 33 Remove service access panel To clean or replace the burner remove retainer from around manifold orifice disconnect flame sensor and igniter from control board remove burner assembly mounting screws See Figure 25 5 With the burner removed wire brush the inside surfaces of the heat exchanger 6 Remove any dirt dust or other foreign matter from the burners using a wire brush and or compressed air Ensure that all parts are unobstructed 7 Reassemble the unit heater by replacing all parts in reverse order 8 Complete the appropriate unit startup procedure as given in the Operation section of this manual See lighting instruction on the unit nameplate 9 Check the burner adjustment Check all gas control valves and pipe connections for leaks Check the operation of the automatic gas valve by lowering the setting of the thermostat stopping the operation of the gas unit hea
56. ment If not contact your wholesaler or rep DO NOT START this equipment unless you fully understand the controls GENERAL With power and gas off LI Make certain all packing has been removed Tighten all electrical terminals and connections LI Check all fans amp blowers for free movement LI Check all controls for proper settings Remarks 43 Guss GAS HEATING With power and gas on Inlet gas pressure in W C or_ kPa Burner ignition Manifold gas pressure ____ in W C or kPa Cycle on HIGH LIMIT Cycle and check all other controls not listed Cycle by thermostat or operating control STERLING HVAC PRODUCTS 260 NORTH ELM ST WESTFIELD MA 01085 TEL 413 564 5540 FAX 413 562 5311 2 www sterlinghvac com A MESTEK COMPANY
57. mper ature silicone sealant Use General Electric RTV 108 Dow Corning RTV 732 or equivalent silicone sealant with a temper ature rating of 500 deg F See Figure 15C Attach the draft hood connector to the appliance vent connection with screws 3 minimum and seal the joint with silicone sealant Install a Type B vent thimble in the wall Insert the vent pipe through the thimble and attach it to the adapter on the appliance Seal the joint with silicone sealant or two wraps of aluminum foil tape Install a vent cap on the outlet pipe and secure with screws 3 minimum An Amerivent Americap or Metalbestos vent cap must be supplied by the customer for each power vented unit The vent pipe diameter must be 4 inches 102mm Through the wall venting for these appliances shall not terminate over public walkways or over an area where the condensate or vapor could create a nuisance hazard or could be detrimental to the operation of regulators relief valves or other equipment see Figures 15A 16 and 18 21 7 10 11 12 The vent terminal must be at least 3 feet 1m above grade or in snow areas at least 3 feet above the snow line to prevent blockage by snow The vent terminal must be at least 12 inches 305mm from the exterior of the wall that it passes through to prevent degradation of the building materials by flue gasses Maintain 1 inch 25 4mm clearance between the vent pipe and combustibl
58. n to pipe with screws Insert a 5 foot length of Type B vent pipe through the concentric vent box opening detail A Figure 20 with the UP arrow pointing up Position the pipe to extend 12 inches beyond the inlet air screen Secure the Type B vent pipe in position by drilling three small equally spaced holes through the collar of the concentric vent box and inserting sheet metal screws Install deflector disk on Type B vent pipe 2 1 2 inches above inlet air screen and fasten with screws Seal joint between deflector disk and pipe with silicone sealant Install vent terminal on top of Type B vent pipe fasten with screws and seal joint Connect flue pipe and combustion air pipe from concentric vent box to unit following instructions on pages 26 and 27 Joint between Type B vent pipe and single wall vent pipe must be sealed with high temperature silicone sealant See Figure 21 Collars on unit and on concentric vent box are sized so that crimped ends of combustion air pipes go toward the unit and crimped ends of flue pipes go away from the unit 30 HORIZONTAL TERMINATION Select a location on outside wall for vent terminal In most applications the terminal should be on level with the flue outlet of the unit less a 1 4 inch per foot pitch for condensate drainage toward the outside of the building See Figure 23 The location of the vent terminal must be in accordance with the National Fuel Gas Code ANSI Z223 1 in the U S or the Na
59. nnot be avoided insulate the pipe to prevent condensation of moisture on the walls of the pipe Table 5 Category I Horizontal Venting Requirements Standard Combustion Vent Maximum Number Maximum Horizontal Minimum Extension Unit Diameter Elbows Vent Length Vertical Rise Distance Size in 5 Ft In from Wall In 30 4 1 5 8 36 4 2 10 18 36 45 4 1 10 24 36 4 1 15 24 36 4 2 5 24 36 60 4 2 10 18 36 75 5 2 7 24 36 90 5 2 7 24 24 105 5 2 7 24 24 120 5 1 5 24 24 5 2 7 24 24 One elbow is required to make the vertical extension See Figure 13 Figure 13 Category I Horizontal Venting Requirements Extension Distonce from Woll Approved Vent Terminal Minimum Vertical Rise Maximum Horizontal Vent Length Vertical Extension Condensate Drain with Trap Listed Thimble PA sloped down D6838C 19 1 4 inch per foot toward terminal end 4 Inch to 5 Inch Transition If required Figure 14 Vent Support N s N N 3 S amp Support Arn N Top View S N E PE N Clamp N Side View 20 STANDARD COMBUSTION HORIZONTALLY VENTED CATEGORY III Figure 15 Vent Systems Termination Clearance Requirements Minimum Clearances for Termination Locations Structure Door window or any gravity
60. not exceed 30 feet 9m Equivalent length equals the total length of straight pipe plus 5 feet 1 5m for each 90 elbow and 2 5 feet 0 76m for each 45 elbow NOTICE For optimum performance keep the combustion air system as straight as possible 8 Each slip joint must be secured with at least three corrosion resistant screws Two full turns of 3M 425 Aluminum Foil Tape or its equivalent must then be used to seal each joint General Electric RTV 108 Dow Corning RTV 732 or an equivalent silicone sealant with a temperature rating of 500 F may be used instead of the tape For horizontal combustion air systems longer than 5 feet 1 5m the system must be supported from overhead building structures at 4 foot 1 2m intervals in the U S and at 3 foot 0 91m intervals in Canada EXHAUST VENTING NOTICE Every Separated Combustion unit to be installed MUST use the Factory supplied Concentric Vent Kit If you do not have this kit contact the manufacturer ASAP to obtain one prior to installation AWARNING Never operate unit heaters without combustion air and flue gas piping in place or severe personal injury or death may occur Vent system installation must be in accordance with the current National Fuel Gas Code NFPA 54 or ANSI Z223 1 National Fuel Gas Code In Canada installation must be in accordance with CAN CGA B149 1 Installation Code for Natural Gas Burning Appliances and Equipment and CAN CGA B149 2
61. parts Catalog LIMITED WARRANTY Residential Power Vented Tubular Propeller Unit Heaters The Manufacturer warrants to the original owner at original installation site that the above model Gas Fired Heater the Product will be free from defects in material or workmanship for 1 year from the date of shipment from the factory or one and one half 1 1 2 years from the date of manufacture whichever occurs first The Manufacturer further warrants that the complete heat exchanger flue collector and burners be free from defects in material or workmanship for a period of ten 10 years from the date of manufacture If upon examination by the Manufacturer the Product is shown to have a defect in material or workmanship during the warranty period the manufacturer will repair or replace at its option that part of the Product which is shown to be defective This limited warranty does not apply a if the product has been subjected to misuse or neglect has been accidentally or intentionally damaged has not been installed maintained or operated in accordance with furnished written instructions or has been altered or modified in any way by any unauthorized person b to any expenses including labor or material incurred during removal or reinstallation of the Product c to any damage due to corrosion by chemicals including halogenated hydrocarbons precipitated in the air d to any workmanship of the installer of the Product This limited warran
62. pe must be considered NOTICE If the gas unit heater is to be fired with LP gas consult your local LP gas dealer for pipe size information NOTICE HEATER INSTALLATION FOR USE WITH PROPANE BOTTLED GAS MUST BE MADE BY A QUALIFIED L P GAS DEALER OR INSTALLER HE WILL ENSURE THAT PROPER JOINT COMPOUNDS ARE USED FOR MAKING PIPE CONNECTIONS THAT AIR IS PURGED FROM LINES THAT A THOROUGH TEST IS MADE FOR LEAKS BEFORE OPERATING THE HEATER AND THAT IT IS PROPERLY CONNECTED TO THE PROPANE GAS SUPPLY SYSTEM Before any connection is made to the existing line supplying other gas appliances contact the local gas company to make sure that the existing line is of adequate size to handle the combined load Table 2 Gas Pipe Size Maximum Capacity of Pipe in Cubic Feet of Gas per Hour Cubic Meters per Hour for Gas Pressures of 0 5 psig 3 5 kPa or Less and a Pressure Drop of 0 5 Inch Water Column 124 4 Pa Based on a 0 60 Specific Gravity Gas Nominal Iron Internal Length of Pipe Feet meters Pipe Size 10 20 30 40 50 60 70 80 90 100 125 150 175 200 in in 3 0 6 1 9 1 12 2 15 2 18 3 21 3 24 4 27 4 30 5 38 1 45 7 53 3 61 0 1 2 0 622 175 120 97 82 73 66 61 57 538 50 44 40 37 35 4 96 3 40 2 75 2 32 2 07 1 87 1 73 1 61 1 50 1 42 1 25 1 13 1 05 0 99 3 4 0 824 360 250 200 170 151 138 125 118 110 103 93 84 77 72 10 2 7 08 5 66 4 81 4 28 3 91 3 54 3 34 3 11
63. ping systems being purged shall not discharge into areas where there are sources of ignition or into confined spaces UNLESS precautions are taken as follows 1 by ventilation of the space 2 control of the purging rate 3 elimination of all hazardous conditions All precautions must be taken to perform this operation in a safe manner Unless otherwise specified the following conversions may be used for calculating SI unit measurements 1 foot 2 0 305 m 1000 BTU cu ft 37 5 MJ m 1 inch 2 25 4 mm 1000 BTU per hour 0 293 kW 1 gallon 3 785 L 1 inch water column 0 249 kPa 1 pound 0 453 kg liter second CFM x 0 472 1 psig 6 894 kPa meters second FPM 196 8 1 cubic foot 0 028 Table 1 Performance and Dimensional Data Tubular 30 thru 120 Propeller Unit Heater Unit Size 30 45 60 75 90 105 120 PERFORMANCE Input BTU Hr 30 000 45 000 60 000 75 000 90 000 105 000 120 000 kW 8 8 13 2 17 6 22 0 26 4 30 8 34 2 Output BTU Hr 24 300 36 450 48 600 60 750 72 900 85 050 97 200 kW 7 1 10 7 14 2 17 8 21 4 24 9 28 5 Thermal Efficiency 81 81 81 81 81 81 81 Free Air Delivery CFM 370 550 740 920 1 100 1 300 1 475 cu m s 175 260 349 434 519 614 696 Air Temperature Rise Deg F 60 60 60 60 60 60 60 Deg C 15 15 15 15 15 15 15 Full Load Amps at 120V 3 0 3 0 3 7 4 1 6 4 6 4 6 4 Maximum Circuit Amp
64. r in an area where it will be exposed to a free circulation of average temperature air Always refer to the thermostat instructions as well as our unit wiring diagram and wire accordingly Avoid mounting the thermostat in the following locations 1 Cold Areas Outside walls or areas where drafts may affect the operation of the control 2 Hot Areas Areas where the sun s rays radiation or warm air currents may affect the operation of the control 3 Dead Areas Areas where the air cannot circulate freely such as behind doors or in corners THERMOSTAT HEAT ANTICIPATOR ADJUSTMENTS The initial heat anticipator setpoint should equal the thermostat s current amperage draw when the unit is firing This setpoint should be measured for the best results Use the recommended ranges for a guide If further information is needed consult your thermostat manufacturer s instructions Recommended heat anticipator setting 35 Amps NOTICE The start up fan delay should not exceed 30 seconds from a cold start IMPORTANT For all wiring connections refer to the wiring diagram shipped with your unit either affixed to the side jacket or enclosed in the installation instructions envelope Should any original wire supplied with the heater have to be replaced it must be replaced with wiring material having a temperature rating of at least 105 C Figure 9 T834H or T834N Thermostat Wiring w O D gt qo qz OZ O
65. r on the control board a green LED labeled OK indicates system faults check and repair system as noted in the chart to the right NOTICE Air flow proving switch and power venter hose barbs must be free of any dust or debris at all times Periodically check these openings and or if any problems occur LED STATUS INDICATES CHECK REPAIR Slow Flash Control OK no call for heat Not Applicable Fast Flash Control OK call for heat present Not Applicable Steady Off Internal control fault or no power 1 Line voltage on terminals 120 and C on transformer 2 Low voltage 24V on terminals 24 and C on transformer 3 5 Amp fuse on circuit board Steady On Control internal failure or bad ground 1 Common side of transformer grounded to chassis 2 Loose spark ignitor 2 Flashes In lockout from failed ignitions or flame losses 1 Gas supply off or gas supply pressure too low 2 Flame sense rod contaminated or loose wire 3 Gas valve switch is off or wires are not connected 4 Broken or cracked porcelain on flame probe or spark ignitor 3 Flashes Pressure Switch open with inducer on or closed with inducer off 1 Obstructions or restrictions in appliance air intake or flue outlet are preventing proper combustion airflow 2 Moisture or debris in tubing that connects pressure switch and draft inducer 3 Airflow switch jumpered or miswired
66. r electrical system All external wiring must conform to the latest edition of ANSI NFPA No 70 National Electrical Code and applicable local codes in Canada to the Canadian Electrical Code Part 1 CSA Standard C22 1 A CAUTION Do not use any tools i e screwdriver pliers etc across terminals to check for power Use a voltmeter It is recommended that the electrical power supply to each unit heater be provided by a separate fused and permanently live electrical circuit A disconnect switch of suitable electrical rating should be located as close to the gas valve and controls as possible Each unit heater must be electrically grounded in accordance with the latest edition of the National Electrical Code ANSI NFPA No 70 or CSA Standard C22 1 Refer to Figures 7 8 9 10A 10B 10C 11A 11B and 11C Figure 7 Low voltage Thermostat Wiring Single Stage Low voltage Single Stage Thermostat D4788 Figure 8 Low Voltage Thermostat Wiring Two Stage Low Voltage Two Stage Thermostat R 1 R G W2 26 N D8541 THERMOSTAT WIRING AND LOCATION NOTICE The thermostat must be mounted on a vertical vibration free surface free from air currents and in accordance with the furnished instructions Mount the thermostat approximately 5 feet 1 5m above the floo
67. r s instructions to avoid exposure to fuel substances or substances from incomplete combustion which can cause death or serious illness The state of California has determined that these substances may cause cancer birth defects or other reproductive harm INSTALLER S RESPONSIBILITY Installer Please Note This equipment has been test fired and inspected It has been shipped free from defects from our factory However shipment and installation problems such as loose wires leaks or loose fasteners may occur It is the installer s responsibility to inspect and correct any problem that may be found RECEIVING INSTRUCTIONS EF AR s Inspect shipment immediately when U E received to determine if any damage has I occurred the unit during shipment After the unit has been uncrated check for any 260 NORTH ELM ST WESTFIELD MA 01085 visible damage to the unit If any damage TEL 413 564 5540 413 562 5311 is found the consignee should sign the www sterlinghvac com amp A MESTEK COMPANY bill of lading indicating such damage and 7 immediately file claim for damage with the MODELS GG 30 45 60 75 90 105 120 transportation company Please utilize this toll free number to contact your local 04 08 representative 800 490 2290 TABLE OF CONTENTS SPECIFICATIONS BasicDeseripBtioh us u ua iy 2 Performance amp Specification Data
68. rcuit 3 Check thermostat circuit for shorts staples piercing wires 4 Defective sticking gas valve 4 Check for 24v on gas valve terminals when thermostat is not calling 5 Excessive gas supply pressure 5 Refer to Installation J Rapid burner cycling 1 Loose electrical connections at thermostat 1 Tighten all electrical connections or gas valve 2 Adjust heat anticipator setting for longer 2 Excessive thermostat heat cycles Refer to Electrical Connections anticipator setting 3 Check for proper air supply across heat 3 Unit cycling on high limit exchanger and proper gas supply 4 Poor thermostat location 4 Relocate thermostat K Noisy power venter 1 Power venter wheel loose 1 Replace or tighten 2 Power venter wheel is dirty 2 Clean power venter wheel 3 Power venter wheel is rubbing on the housing 3 Realign power venter wheel L Fan will not run 1 Loose electrical connections 1 Check and tighten wires on fan circuit 2 Defective motor or overload 2 Test for 115v on terminal ACB Heat and L2 if voltage is present replace motor 3 Defective control board 3 Test for 115v on terminal ACB Heat and L2 on the control board if voltage is not present 45 seconds after trial for ignition replace board 4 Blown fuse 4 Replace fuse M Fan motor turns on and off 1 Motor overload protection is tripping 1 Check motor amps against motor name while burner is operating plate check voltage
69. replace if found defective 2 Loose wiring or connection 2 Check for 115v between motor leads 3 Control board is defective 3 Check terminal ACB Heat for voltage if voltage not constant replace board N Fan will not stop 1 Control Board is in flame failure mode 1 Turn 115v power off to the unit wait 10 seconds and reapply voltage to the unit 2 Fan improperly wired 2 Check wiring of fan circuit to wiring diagram 3 Defective board 3 If unit is not calling for heat and board is not in a flash code mode replace board O Not enough heat 1 Incorrect gas input 1 Refer to Operation 2 Heater undersized 2 15 the heater output sized correctly for heat loss of the space Has the space been enlarged 3 Thermostat malfunction 3 Check thermostat circuit 24v on terminals R and W on terminal strip 4 Heater cycling on limit 4 Check air movement across heat exchanger Check voltage and amps at the fan motor Check gas input to ensure unit is not over fired Check heat exchanger to ensure unit is not dirty 5 Incorrect orifice size 5 Check orifice size replace if undersized P Too much heat 1 Unit is over fired 1 Refer to Operation Check orifice size If too big replace 2 Thermostat malfunction 2 Check thermostat for operation to ensure circuit open and closes 3 Heater runs continuously 3 Check wiring per diagram check operation at the gas valve look for a short in thermostat circ
70. rface that it passes through See Figure 22 The point of termination for a HORIZONTALLY VENTED exhaust system must be at least 12 inches 0 3m from the exterior of the wall that it passes through In addition the termination point must be at least 1 foot 0 3m above grade or above the snow line more than 6 feet 1 8m from the combustion air inlet of another appliance at least 4 feet 1 2m below 4 feet 1 2m horizontally from or 1 foot 0 3m above any door window or gravity air inlet into any building and more than 3 feet 0 91m from and not directly above any gas meter or service regulator See Figures 23 and 24 and Table 4 Table 6 Concentric Vent Box Dimensions Un Size Dimensions Inches Nominal B c D E it A 30 45 45 60 75 90 105 120 55 Figure 20 Concentric Vent Box D8591 Canada The exhaust vent system must remain at a minimum distance of 1 inch 25mm from all combustible materials Any part ofthe vent system that passes through a combustible material must be properly insulated B Figure 21 Concentric Vent Installation SINGLE WALL INLET AIR PIPE CONCENTRIC VENT BOX DRILL HOLES AND INSERT THREE SHEETMETAL SCREWS EQUALLY SPACED AROUND COLLAR DRILL HOLES AND INSERT THREE SHEETMETAL SCREWS EQUALLY SPACED AROUND JOINT SEAL JOINT WITH SILIC
71. sures Open 1 4 turn counterclockwise to read turn clockwise to close and reseat A 5 16 ID hose fits the pressure post 7 Provide a drip leg in the gas piping near the gas unit heater A ground joint union and a manual gas shutoff valve should be installed ahead of the unit heater controls to permit servicing The manual shutoff valve must be located external to the jacket See Figure 6 8 Make certain that all connections have been adequately doped and tightened Table 3 Gas Piping Requirements GAS PIPING REQUIREMENTS GasType Natural Gas Propane LP Gas Manifold 3 5 in W C 10 0 in W C Pressure 0 9 kPa 2 5 kPa 14 0 in W C Max 14 0 in W C Max Supply Inlet 3 5 kPa 3 5 kPa Pressure 5 0 in W C Min 11 0 in W C Min 1 2 kPa 2 7 kPa For single stage application only at altitudes below 2 001 feet A CAUTION Do not over tighten the inlet gas piping into the valve This may cause stresses that will crack the valve NOTICE Use pipe joint sealant resistant to the action of liquefied petroleum gases regardless of gas conducted A WARNING Check all pipe joints for leakage using a soap solution or other approved method Never use an open flame or severe personal injury or death may occur Figure 6 Pipe Installation Standard Controls GAS A MANUAL SHUT OFF VALVE WITH SUPPLY 1 8 IN N P T PLUGGED TAPPING LINE ACCESSIBLE FOR TEST GAGE CON NECTION MUST B
72. t off and back on If fault code flashes again check gas valve for problem If problem found replace gas valve 7 6 Lockout Internal Hardware error detected 1 Reset board If code flashes again replace board 38 IDENTIFICATION OF PARTS RESIDENTIAL TUBULAR 30 120 MBH UNIT SIZES Item No ItemDescription Vestible Panel Tube Assembly Heat Exchanger 2 Bracket Gas Train 3 Manifold 4 Burner Assembly Standard Orifice Natural Gas or Propane LP Gas 6 Spark Ignitor 7 Flame Sensor Gas Valve Natural or Propane LP Gas 9 Manual Rollout Safety Switch 10 Transformer 50 VA 115 24 11 Air Pressure Switch 12 Terminal Block Plate 13 High Limit Switch 14 Fan Motor 15 OSHA Fan Guard 16 Standard Fan Fan Guard Motor Mount Hardware Kit Y 7 o 19 Power Venter Drafter Assembly 13 20 Flue Collar Assembly c A 17 Z q N 7 21 Vinyl Tubing Pressure Switch Y III 22 Power Venter Mounting Plate 23 Louver 24 Louver Spring 25 Control Board 26 Access Panel 27 Top Jacket Panel w Insulation 28 Bottom Jacket Panel w Insulation 29 Front Jacket Panel 30 Rear Jacket Panel 31 Bracket Manifold 32 Tube Support Bracket 33 Green Ground Screw 34 Han
73. tallation and operating instructions 1 Installation must conform with local building codes or in the absence of local codes with current CGA B149 1 Installation Codes for Natural Gas Burning Appliances and Equipment or CGA B149 2 Installation Codes for Propane Gas Burning Appliances and Equipment standards or codes applied Any reference to U S standards or codes in these instructions are to be ignored and the applicable Canadian VENTING GENERAL GUIDELINES The following guidelines apply to all categories to follow Table 4 Vent Systems Termination Clearance Requirements Minimum Clearances for Termination Locations Structure 4 feet below Door window or any gravity vent inlet 4 feet horizontally 1 foot above 3 feet above 6 feet 7 feet above grade Forced air inlet within 10 ft Adjoining building or parapet Adjacent public walkways Electric gas meters amp regulators 4 feet horizontal Do not damper or add heat recovery devices to the flue piping Failure to open such a damper prior to operating the gas unit heater will result in the spillage of flue gas into the occupied space Avoid installing units in areas under negative pressure When required a flue vent fan should be installed in accordance with the instructions included with the fan Vent connectors serving Category I and Category II heaters shall not be connected into any portion of mechanical draft
74. ter The gas valve should close tightly completely extinguishing the flame on the burner Inspect and service motor fan assembly To maintain efficient air flow inspect and clean the fan blades and guard to prevent buildup of foreign matter Check lubrication instructions on motor If oiling is required add 3 or 4 drops of electric motor oil as follows a Light Duty After 3 years or 25 000 hours of operation b Average Duty Annually after 3 years or 8 000 hours of operation c Heavy Duty Annually after 1 year or at least 1500 hours of operation CAUTION Never over oil the motor or premature failure may occur 14 Check and test the operational functions of all safety devices supplied with your unit Table 9 Tubular Propeller Troubleshooting Guide SYMPTOMS POSSIBLE CAUSE S CORRECTIVE ACTION A Flame pops back Burner orifice incorrect 2 Low manifold Pressure Check for proper orifice size Refer to Operation 2 Test and reset manifold pressure B Noisy Flame 1 Irregular orifice causing whistle or resonance 1 Replace orifice 2 Excessive gas input 2 Test and reset manifold pressure C Yellow tip flame some yellow 1 Clogged burner 1 Clean main burner ports tipping on LP gas is permissible 2 Misaligned orifice 2 Align manifold assembly 3 Insufficient combustion air 3 Clean combustion air inlet openings 4 Possibly over fir
75. ting system are located and other spaces of the building Turn on clothes dryers and any exhaust fans such as range hoods and bathroom exhausts so they shall operate at maximum speed Do not operate a summer exhaust fan Close fireplace damper 4 Follow the lighting instructions Place the appliance being inspected in operation Adjust thermostat so that the appliance will operate continuously After it has been determined that each appliance connected to the venting system properly vents when tested as outline above return doors windows exhaust fans fireplace dampers and any other gas burning appliance to their previous condition of use If improper venting is observed during any of the above tests the venting system must be corrected immediately so that the system conforms with the National Fuel Gas Code ANSI Z223 1 When resizing any portion of the venting system the venting system should be resized to approach the minimum size as determined using the appropriate tables in Appendix G of the National Fuel Gas Code ANSI 2223 1 The unit heater shall be connected to a factory built chimney or vent complying with a recognized standard or a masonry or concrete chimney lined with a lining material acceptable to the authority having jurisdiction Venting into an unlined masonry chimney is prohibited ADDITIONAL REQUIREMENTS FOR CANADIAN INSTALLATIONS The following instructions apply to Canadian installations in addition to ins
76. tural Gas Installation Code CAN CGA B149 1 or the Propane Gas Installation Code CAN CGA 149 2 in Canada See Table 4 for minimum clearances In Canada a vent shall not terminate above a meter regulator assembly within 3 feet 9m horizontally of the vertical centerline of the regulator nor within 6 feet 1 8m of any gas service regulator vent outlet Cut a hole through the wall for a 6 inch 152mm sizes 030 075 or 8 inch 203mm sizes 090 120 combustion air pipe Install thimble if required by local codes or type of wall construction Concentric vent box may be fastened directly to wall or spaced away from wall using suitable brackets field supplied Cut a length of pipe so that it will protrude 4 inches 102mm through the wall when the box is mounted in position Fasten pipe to box with sheet metal screws using at least three screws per joint Seal joint with silicone sealant Insert pipe through wall and fasten adapter box in place so that the pipe pitches downward 1 4 inch per foot 21mm m toward the outside Flash and or caulk pipe on outside wall Install inlet air screen assembly and fasten to pipe with Screws Insert a 3 foot length of 4 inch sizes 030 075 or 5 inch sizes 090 120 Type B vent pipe through the concentric vent box opening detail A Figure 20 with the UP arrow pointing toward the outside Position the pipe to extend 12 inches beyond the inlet air screen Secure the Type B vent pipe in position by drilling t
77. ty is conditional upon a advising the installing contractor who in turn notify the distributor or manufacturer b shipment to the Manufacturer of that part of the Product thought to be defective Goods can only be returned with prior written approval of the Manufacturer All returns must be freight prepaid c determination in the reasonable opinion of the Manufacturer that there exists a defect in material or workmanship Repair or replacement of any part under this Limited Warranty shall not extend the duration of the warranty with respect to such repaired or replaced part beyond the stated warranty period THIS LIMITED WARRANTY IS IN LIEU OF ALL WARRANTIES EITHER EXPRESS OR IMPLIED AND ALL SUCH OTHER WARRANTIES INCLUDING WITHOUT LIMITATION IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED AND EXCLUDED FROM THIS LIMITED WARRANTY IN NO EVENT SHALL THE MANUFACTURER BE LIABLE IN ANY WAY FOR ANY CONSEQUENTIAL SPECIAL OR INCIDENTAL DAMAGES OF ANY NATURE WHATSOEVER OR FOR ANY AMOUNTS IN EXCESS OF THE SELLING PRICE OF THE PRODUCT OR ANY PARTS THEREOF FOUNDTO BE DEFECTIVE THIS LIMITED WARRANTY GIVES THE ORIGINAL OWNER OF THE PRODUCT SPECIFIC LEGAL RIGHTS YOU MAY ALSO HAVE OTHER RIGHTS WHICH MAY VARY BY JURISDICTION In the interest of product improvement we reserve the right to make changes without notice 41 Low Profile Tubular Gas Fired Unit Heater Model Number Description Digt G X X
78. uit Q Blown fuse 1 Electrical short 1 Refer to wiring diagram 2 Improper ground 2 Check grounding wires 3 Defective gas valve 3 Replace 35 Table 9 Tubular Propeller Troubleshooting Guide SYMPTOMS POSSIBLE CAUSE S CORRECTIVE ACTION R Cold air is delivered during heater operation 1 Incorrect manifold pressure or input 1 Refer to Operation S High limit tripping 1 Unit is over fired 2 Air flow is low 3 Defective switch 4 Defective control board 1 2 3 Burner orifice may be too large verify and replace Check for proper voltage ensure fan blade is correctly positioned 1 3 inside venturi Check operation of switch did the switch open when unit is running or is the switch open during start up Check for 24v on line side of the high limit Constant voltage should be recorded if not control board is suspect Check flash code T Power venter will not run 1 Loose wiring or connections 2 Motor overload is tripped or bad motor 3 Bad control board Check all wring in the power vent circuit to ensure good connection including Neutral Check for 115v between motor leads and check amp draw of motor Replace if needed Check for continuous 115v on terminal CBM Blower and neutral during call for heat If not present and all checks are normal replace U Power venter turns on and of
79. y damage NOTICE Used to notify of special instructions on installation operation or maintenance which are important to equipment but not related to personal injury GENERAL SAFETY INFORMATION A WARNING Failure to comply with the general safety information may result in extensive property damage severe personal injury or death A WARNING This product must be installed by a licensed plumber or gas fitter when installed within the Commonwealth of Massachusetts Installation must be made in accordance with local codes or in absence of local codes with the latest edition of ANSI Standard Z223 1 N F P A No 54 National Fuel Gas Code All of the ANSI and NFPA Standards referred to in these installation instructions are those that were applicable at the time the design of this appliance was certified The ANSI Standards are available from CSA Information Services 1 800 463 6727 The NFPA Standards are available from the National Fire Protection Association Batterymarch Park Quincy MA 02269 If installed in Canada the installation must conform with local building codes or in the absence of local building codes with CGA B149 1 Installation Codes for Natural Gas Burning Appliances and Equipment or CGA B149 2 Installation Codes for Propane Gas Burning Appliances and Equipment These unit heaters have been designed and certified to comply with CGA 2 6 AWARNING Do not alter the unit
80. y service or annual periodic maintenance to this equipment DESCRIPTION The Residential Tubular Gas Fired Unit Heater is a factory assembled power vented low static pressure type propeller fan unit heater designed to be suspended within the space to be heated THESE HEATERS ARE NOT TO BE CONNECTED TO DUCTWORK These Tubular Unit Heaters are design certified under ANSI Z83 8 for Industrial Commercial use and IAS 10 96 U S Figure 1 Tubular 30 thru 120 Propeller Unit Heaters 2nd ed Unit Heaters for Residential Installation The designs are certified by ETL as providing a minimum of 80 thermal efficiency and approved for use in California Do not alter these units in any way If you have any questions after reading this manual contact the manufacturer See Identification of Parts throughout this manual The following terms are used throughout this manual in addition to the ETL requirements to bring attention to the presence of potential hazards or to important information concerning the product Indicates an imminently hazardous situation which if not avoided will result in death serious injury or substantial property damage A WARNING Indicates an imminently hazardous situation which if not avoided could result in death serious injury or substantial property damage A CAUTION Indicates an imminently hazardous situation which if not avoided may result in minor injury or propert

Sterling GG-105 Heat Pump User Manual

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