warning - Nordyne
Contents
1. 5 Shutting the Heat Pump 5 HEAT PUMP 5 Regular 5 Before You Call a Technician 5 TROUBLESHOOTING csseccssecessseeenseeceessenseseeeeeseas 5 WARRANTY 5 INSTALLER INFORMATION IMPORTANT SAFETY INFORMATION 6 GENERAL 7 Before You Install this 7 Locating the Heat 7 Field Connections for Electrical Power csi ile 7 lees 7 Unconditioned 7 Acoustical Duct 7 Air Filter Requirement 8 HEAT PUMP 8 Packaging 8 Rigging amp Hoisting casnicia 8 Minimum Clearance 5 8 Ground Level iaa 8 ROOMOPE N E T E T 9 Removal of Internal Filter 9 Installing Filters in the Filter Rack 9 Removing Filters from the Filter2. yey sweIs s 5 JON asn Ajddns 104 BuIDIAJ9S 2 2510 1 SALON 189H pebeyoed NV4YOVIA Figure 10 Wiring Diagram for 208 230V Units 18 6001 0198014 sasejday 000114 41 HOLIMS 38NSS3YA O MOTIZA HOLIMS IUNSSIUud HOIH SSINYVH 34IM 6 Yad WAP YIZINONO93 MOTISA ania 2 YAZINONOOSA YOSNAS HIV OL sap juswWanbiun zeAojdug 2 Juene JUeINOD a 5 L ZH09 99441 19470 pue sy y 189H 10552222 pue uone gt 1 dde 104 5 5 5 995 LON YAWHOASNVHL GION310S IMYA ONISU3A3U MOTIZA HOA 09p 0 OL IWAYALNI 1 513538 IWAYALNI YO 1504330 ONIYNG 130 JO GALWIWNDOV SIaWILNNY YOSSAYdWOD G3ZIDY3N3 ONY 035010 41d GAZIDYANAAG Sl NAHM AWIL AY130440 SIQIAOYA 03Z1D43N330 51 NIHM N3dO 03Z1993N3 SIA AISO WNWIXVIN DYA OEZ LY dH Z 1508430 ONIN SNAdO WNWIXVIN Y DNLIVS 1508430 ONIUNG SISO O NOLLV43dO 1504430
3. 9 Horizontal to Downflow 9 Condensate Drain 9 ELECTRICAL 10 Pre Electrical 10 Line Vilag dr ea 10 Unbalanced 3 Phase Supply Voltage 11 11 Blower 11 Defrost Cycle 11 Defrost Control Board 624556 12 Operational 12 Normal Defrost Procedure 12 Defrost Test Procedure 12 Optional Outdoor 12 Optional Electric Heater Kits 12 Thermostat 12 STARTUP amp ADJUSTMENTS 13 Pre Start 13 Start up Procedure ariora 13 Air Circulation ersneesnneennnnnennsnennnnnnennnnnnn 13 Short Cycle 13 System Cooling uunneersnnnnnnnnnennnnnnnnnnnnnnnnnnnn 13 System 13 Refrigerant 13 Charging R
4. Adjusting or calibrating of thermostat INSTALLER INFORMATION IMPORTANT SAFETY INFORMATION Please readall instructions before servicing this equipment Pay attention to all safety warnings and any other special notes highlighted in the manual Safety markings are used frequently throughout this manual to designate a degree or level of seriousness and should not be ignored WARNING indicates a potentially hazardous situation that if not avoided could result in personal injury or death CAUTION indicates a potentially hazardous situation that if not avoided may result in minor or moderate injury or property damage AX WARNING Shut off all electrical power to the unit before performing any maintenance or service on the system Failure to comply may result in personal injury or death AX WARNING Improper installation service adjustment or maintenance may cause explosion fire electrical shock or other hazardous conditions which may result in personal injury or property damage Unless otherwise noted in these instructions only factory authorized kits or accessories may be used with this product AX WARNING Q6SD units are fully charged with R 410A refrigerant and ready for installation When a system is installed according to these instructions no refrigerant charging is required If repairs make it necessary for evacuation and charging it should only be attempted by qualified trained personnel thoroughly famili
5. In this example the measured line voltages were 451 460 and 453 The average would be 454 volts 451 460 453 1 364 3 454 3 Determine the maximum deviation Example From the values given in step 1 the BC voltage 460V is the greatest difference in value from the average 460 454 6 454 451 3 454 453 1 lt Highest Value 4 Determine percent of voltage imbalance by using the results from steps 2 amp 3 in the following equation Example 1 32 6 100 x 454 max voltage deviation from average voltage Voltage Imbalance 100 x A average voltage The amount of phase imbalance 1 32 is satisfactory since the amount is lower than the maximum allowable 2 Please contact your local electric utility company if your voltage imbalance is more than 2 Grounding AX WARNING The unit cabinet must have an uninterrupted or unbroken electrical ground to minimize personal injury if an electrical fault should occur Do not use gas piping as an electrical ground This unit must be electrically grounded in accordance with local codes or in the absence of local codes with the National Electrical Code ANSI NFPA 70 or the CSA C22 1 Electrical Code Use the grounding lug provided in the control box for grounding the unit Blower Speed The blower speed is preset at the factory for operation at the same speed for heating and cooling These factory setti
6. All return air must pass through the filters before entering the unit Recommended filter sizes are listed in Table 1 NOTE lt is important that all filters be kept clean and replaced frequently to ensure proper operation of unit Dirty or clogged filters will reduce the efficiency of the unit and result in unit shutdowns Air filter pressure drop must not exceed 0 08 inches WC When replacing the air filters a suitable air filter must be installed upstream of the evaporator coil of the return air system Downflow Installations require an internal filter accessory kit to be installed e Horizontal Installations require the air filter system be installed in the return air ductwork 2 16 x 25 x 1 Q6SD X36 or 2 16 x 25 x 2 2 18 x 25 x 1 Q6SD X48 X60 2 18 x 25 x 2 Table 1 Internal Filter Sizes Figure 3 Ground Level Installation HEAT PUMP INSTALLATION Packaging Removal Remove the shipping carton and User s Manual from the equipment Take care notto damage the tubing connections when removing the carton For rooftop installations remove and discard the two supports attached beneath the unit Rigging and Hoisting A WARNING To avoid the risk of property damage personal injury or death it is the rigger s responsibility to ensure that whatever means are used to hoist the unit are safe and adequate The lifting equipment must be adequate for th
7. yOLIOVAVO 2 Tel MOTIE Y31Y3H MOVIE yav a ONIYIM 01313 HOSN3S 1SOU4I3A Terminals ON3931 5 HOLOVLINOO YOSSIANOO Figure 11 Wiring Diagram for 460V Units SNM OV OL a e d 995 U01 D9 0 d Ajddns 104 y 0 901 15291 Je jo Bunea e pase das aq 15 y paveda aq 15 y se ay yo Aue y e Ajuo asn Ajddns 104 2 BUIDIAIBS JOQUUODSIG L SALON ajqiwaauoyg NV4YOVIA DNITIM 19 20 2 5 D ES 5 5 3 3 COOLING CHARGING CHARTS 13 SEER H P Q6SD X36 Charging Chart Cooling Remove refrigerant when above curve Add refrigerant when below curve 90 95 100 105 110 115 120 125 130 135 Liquid Temperature F Figure 12 Charging Chart for 3 Ton Units Q6SD X48 Charging Chart Cooling Remove refrigerant when above curve Add refrigerant when below curve 80 85 90 95 100 105 110 115 120 125 130 135 Liquid T
8. 0 minutes Defrost Control Board Operational Informaton e Terminals R must have 24V present between them for the time delay and defrost sequences to be operational Jumpering the T2 DFT test pins will communicate to the board that the defrost thermostat is closed if the compressor is running The defrost T stat tells the board whether a defrost cycle needs to be started or terminated NOTE The defrost T stat is closed at 32 F or below and is open at 68 F or above but it s state is unknown if the temperature is between 32 F and 68 F With the DFT closed the unit will run for 30 60 90 minutes in heat mode and then defrost the outdoor coil The defrost will turn off the outdoor fan turn on the compressor and raise the coil temperature to 68 F This will open the DFT and terminate the defrost If the DFT does not open the defrost will end after 10 minutes e Jumpering the TEST terminal to the common terminal while the compressor is in heat mode will over ride the defrost board and initiate a faster defrost test in 5 10 or 15 seconds as determined by the 30 60 or 90 minute defrost pin settings factory setting is 30 minutes This also bypasses the compressor off delay when the unit goes into defrost test If unit is kept in defrost test the delay will be bypassed when the test is terminated by the processor NOTE If the jumper is removed before the test is over the processor will perfor
9. 410A Unit in AC Mode 14 Charging an R 410A Unit in Heating 14 HEAT PUMP MAINTENANCE 14 REPLACEMENT 14 FIGURES amp TABLES ne nen 15 Figure 7 Q6SD Heat Pump Dimensions 15 Table 4 Center of Gravity amp Shipping Weights 15 Electrical nenne 16 Figure 8 T Stat Connections 208 230 16 Figure 9 T Stat Connections 460 17 Figure 10 Wiring Diagram 208 230 18 Figure 11 Wiring Diagram 460 19 Cooling Charging 20 Figure 12 Charging Chart for Ton Units 20 Figure 13 Charging Chart for 4 Ton Units 20 Figure 14 Charging Chart for 5 Ton Units 21 Q6SD Series Airflow 21 Table 5 Blower Curves 21 USER INFORMATION IMPORTANT SAFETY INFORMATION Safety markings are used frequently throughout this manual to designate a degree or level of seriousness and should not be ignored WARNING indicates a potentially hazardous situation that if not avoided could result in personal injury or death CAUTION indicates a potentially hazardous situationthatifnotavoided may resul
10. IW8 1508430 ONINNG SNIAO WAWIXVW Y 1 DN Ve 1508430 SISOD O ONIYIM 01313 AN3931 suondo pue 189H 10558222 2 pue uone gt 1dde 20 SUON gt NAISU uone jesul 985 310 YOLOW 43MO1I A134 YAMOTE ADNVYO CER O O 1 YAWYOASNVYL SAVE GIONI10S IMYA 1 ONISYAATY MOTIIA Y3ZIWONOD3 Y3ZIWONOD3 YOSNAS JDYVHOSIO OL day IWLSOWYSHL YOOCNI OL e e sn d ap suoyejjejsui xne sed ON SINAJINPUOI sap 22 0 3 ap JUeINOD ZH09 HOLIMS J8NSSIUA elo Iwal fo fra colo HOA 082 8083 JONVIO NMOYa ERA a NOLLVY3dO 1504430 YOLIDVAVI YOSSISANOD ASWHd CY YOLOW YOOALNO AlddNS YAMOd IVA 0 7 807 OL a e d yun s Ajddns 104 0 801 15291 ye 10 e pasejda aq 15 page da aq jsnw y paryddns se Aue y y 0
11. Q6SD SERIES 13 SEER USER S MANUAL INSTALLATION INSTRUCTIONS SINGLE PACKAGE HEAT PUMP 3 PHASE R 410A Premium Model Shown IMPORTANT Please read this information thoroughly and become familiar with the capabilities and use of your appliance before attempting to operate or maintain this unit Keep this literature where you have easy access to it in the future If a problem occurs check the instructions and follow recommendations given If these suggestions don t eliminate your problem call your servicing contractor These instructions are primarily intended to assist qualified individuals experienced in the proper installation of this appliance Some local codes require licensed installation service personnel for this type of equipment Please read all instructions carefully before starting the installation DO NOT DESTROY PLEASE READ CAREFULLY AND KEEP IN A SAFE PLACE FOR FUTURE REFERENCE USER INFORMATION IMPORTANT SAFETY INFORMATION 4 ABOUT THE HEAT 4 OPERATING 4 Cooling Operations omic 4 Heating Operation nn 4 Emergency 4 Defrost 4 Operating the Heat Pump for Automatic Cooling and 5 Operating Indoor Blower Continuously
12. ady for installation When a system is installed according to these instructions no refrigerant charging is required If repairs make it necessary for evacuation and charging it should only be done by qualified trained personnel thoroughly familiar with this equipment Some local codes require licensed installation service personnel to service this type of equipment Under no circumstances should the owner attempt to install and or service this equipment Failure to comply with this warning could result in property damage personal injury or death The system refrigerant charge can be checked and adjusted through the service ports provided at the front panel Use only gauge lines which have a Schrader depression device present to actuate the valve 13 NOTES The unit must be charged while both first and second stages are operating e Toachieve rated capacity and efficiency the compressor must be exposed to refrigerant for at least 24 hours prior to running and then must be run for a minimum of 12 hours The refrigerant charging charts Figures 12 14 pages 20 amp 21 are applicable to listed assemblies of equipment and at listed airflows for the indoor coil Assemblies of indoor coils and outdoor units not listed are not recommended Charging an R 410A Unit in AC Mode at Outdoor Temperatures Above 65F 1 With the system operating at steady state measure the liquid refrigerant pressure in psig at the service valv
13. al for detailed programming instructions Cooling Operation 1 thermostat s system mode to COOL or AUTO and change the fan mode to AUTO See Figure 1 2 Set the temperature selector to the desired temperature level The outdoor fan compressor and blower motor will all cycle on and off to maintain the indoor temperature at the desired cooling level NOTE If the temperature level is re adjusted or the system mode is reset the fan and compressor in the outdoor unit may not start immediately A protective timer circuit holds the compressor and the outdoor fan off for approximately three minutes following a previous operation or the interruption of the main electrical power Heating Operation 1 Set the thermostat s system mode to HEAT or AUTO and change the fan mode to AUTO See Figure 1 2 Set the temperature selector to the desired temperature level The compressor outdoor fan and blower motor will cycle on and off to maintain the indoor temperature at the desired heating level NOTE If the temperature level is re adjusted or the system mode is reset the fan and compressor in the outdoor unit may not start immediately A protective timer circuit holds the compressor and the outdoor fan off for approximately three minutes following a previous operation or the interruption of the main electrical power Emergency Heat Some thermostats may include a system mode called EM HT or AUX HT etc This is a back up he
14. ances for access to the internal filter A suitable mounting pad Figure must be provided and separate from the building foundation The pad must be level to ensure proper condensate disposal and strong enough to support the unit s weight The slab height must be a minimum of 2 5cm above grade and with adequate drainage Units require horizontal roof curb and return air kit for horizontal installations e Ductwork should be attached directly to flanges on panels supplied in horizontal duct conversion kits Rooftop Rooftop installations must be located according to local building codes or ordinances and these requirements The roof must be capable of handling the weight of the unit For unit weights see Table 4 page 15 Reinforce the roof if necessary Theappropriate accessory roof curb Figure 4 mustbe installed prior to unit installation The roof curb must be square and levelto ensure propercondensate drainage Please follow all instructions provided with the kit e Secure roof curb or frame to roof using acceptable mechanical methods per local codes NOTE Make sure the two supports beneath the unit have been removed Figure 4 Roof Top Installation Removal of Internal Filter Rack 3 Phase Only 1 Remove the return air panel from the unit 2 Remove the height adjustment screw from the inside of the rack 3 Remove 1 screw securing the assembly to the coil located on the left l
15. angers not the unit Unconditioned Spaces All duct work passing through unconditioned space must be properly insulated to minimize duct losses and prevent condensation Use insulation with an outer vapor barrier Refer to local codes for insulation material requirements Acoustical Duct Work Certain installations may require the use of acoustical lining inside the supply duct work Acoustical insulation must be in accordance with the current revision of the Sheet Metal and Air Conditioning Contractors National Association SMACNA application standard for duct liners e Ductlining must be UL classified batts or blankets with a fire hazard classification of FHC 25 50 or less Fiber duct work may be used in place of internal duct liners if the fiber duct work is in accordance with the current revision of the SMACNA construction standard on fibrous glass ducts Fibrous duct work and internal acoustical lining must be NFPA Class 1 air ducts when tested per UL Standard 181 for Class 1 ducts Air Filter Requirements AX WARNING Never operate the unit without a filter in place Dust and lint could accumulate on internal parts resultingin loss ofefficiency equipmentdamage and possible fire Replace disposable filters with the same type and size Air filter s are not supplied and must be installed in the return air system by the installer Only three phase units are equipped with an internal filter rack assembly
16. appliance and should be performed by a qualified service technician at least once a year Follow the maintenance schedule and the instructions below for years of safe trouble free operation Regular Cleaning e Clean or replace the indoor air filter at the start of each heating and cooling season and when an accumulation of dust and dirt is visible on the air filter Remove any leaves and grass clippings from the coil in the outdoor unit being careful not to damage the aluminum fins e Check for obstructions such as twigs sticks etc TROUBLESHOOTING If the unit fails to operate check the following The thermostat is properly set See Cooling Operation for air conditioning or Heating Operation for furnace or air handler The unit disconnect fuses are in good condition and the electrical power to the unit is turned on WARRANTY INFORMATION A warranty certificate with full details is included with the heat pump Carefully review these responsibilities with your dealer or service company The manufacturer will not be responsible for any costs found necessary to correct problems due to improper setup improper installation adjustments improper operating procedure on the part of the user etc Some specific examples of service calls which are not included in the limited warranty are e Correcting wiring problems in the electrical circuit supplying the heat pump Resetting circuit breakers or other switches
17. ar with this equipment Some local codes require licensed installation service personnel to service this type of equipment Under no circumstances should the homeowner attempt to install and or service this equipment Failure to comply with this warning could result in equipment damage personal injury or death A WARNING Unless noted otherwise in these instructions only factory authorized parts or accessory kits may be used with this product Improper installation service adjustment or maintenance may cause explosion fire electrical shock or other hazardous conditions which may result in personal injury or property damage A WARNING The safety information listed below must be followed during the installation service and operation of this unit Unqualified individuals should notattemptto interpret these instructions or install this equipment Failure to follow safety recommendations could result in possible damage to the equipment serious personal injury or death The installer must comply with all local codes and regulations which govern the installation of this type of equipment Local codes and regulations take precedence over any recommendations contained in these instructions Consult local building codes and the National Electrical Code ANSI Cl for special installation requirements This equipment contains liquid and gaseous refrigerant under high pressure Installation or servicing should only be p
18. ating mode that should only be used if a problem is suspected With the mode setto EM HT etc the compressor and outdoor fan will be locked off and supplemental heat electric resistance heating will be used as a source of heat Sustained use of electric resistance heat in place of the heat pump will result in an increase in electric utility costs Defrost Operation During cold weather heating operation the outdoor unit will develop a coating of snow and ice on the heat transfer coil This is normal and the unit will defrost itself This unit features Demand Defrost that monitors ambient and coil temperatures to regulate the defrost function accordingly USER INFORMATION At the beginning of the defrost cycle both the outdoor condenser fan and compressor will turn off After approximately 30 seconds the compressor will turn on and begin to heat the outdoor coil causing the ice and snow to melt NOTE While the ice and snow is melting some steam may rise from the outdoor unit as the warm coil causes the melting frost to evaporate When defrost is completed the outdoor fan motor will start and the compressor will turn off again In approximately 30 seconds the compressor will start up again and continue normal operation Operating the Heat Pump for Automatic Cooling and Heating 1 Set the thermostat system mode to AUTO and the thermostat fan mode to AUTO See Figure 1 NOTE Thermostat styles vary Some models will not includ
19. codes having jurisdiction The minimum size of electrical conductors and circuit protection must be in compliance with information listed on the outdoor unit data label Electrical power supplied to the unit must be adequate for proper operation of the equipment The system must be wired and provided with circuit protection in accordance with local building codes Air Ducts This unit is designed only for use with a supply and return duct Air ducts must be installed in accordance with the standards of the National Fire Protection Association Standard for Installation of Air Conditioning Systems 36 UNOBSTRUCTED E 2 5w u 0 OO a O E Be ek Poe Minimum Required Clearances to Obstructions Figure 2 Clearance Requirements NFPA 90A Standard for Installation of Residence Type Warm Air Heating and Air Conditioning Systems NFPA 90B and all applicable local codes NFPA publications are avaialable by writing to National Fire Protection Association Batterymarch Park Quincy ME 02269 or visit www NFPA org on the web Design the duct work according to methods described by the Air Conditioning Contractors of America The ducts must be properly sized not to exceed 2 W C pressure drop at 400 scfm per nominal ton of cooling capacity Ductwork should be attached directly to the unit flanges for horizontal applications e If roof curb is installed the ducts must be attached to the curb h
20. d verify that the indoor blower is energized 3 After approximately 5 minutes verify the compressor and fan energize and the temperature of the discharge air is cooler than the room temperature System Coolin 1 Set the thermostat s system mode to COOL and the fan mode to AUTO Gradually lower the thermostat temperature setpoint below room temperature and verify the outdoor unit and indoor blower energize 2 Feel the air being circulated by the indoor blower and verify that it is cooler than ambient temperature Listen for any unusual noises If unusual sounds occur determine the source of the noise and correct as necessary 3 Allowthe cooling system to operate for several minutes and then set the temperature selector above room temperature Verify the fan and compressor cycle off with the thermostat NOTE The blower should also stop unless fan mode is set to ON System Heatin If the unit has been equipped with optional electric heater kits set the thermostat s system mode to HEAT and the fan mode to AUTO Verify the compressor and outdoor fan are not energized but that the blower and heaters are Feel the air being circulated by the indoor blower and verify that it is warmer than ambient temperature Listen for any unusual noises If unusual sounds occur determine the source of the noise and correct as necessary Refrigerant Charging AX WARNING Q6SD Heat Pumps are shipped fully charged with R 410A refrigerant and re
21. e 2 Measure the liquid refrigerant temperature in Fahrenheit at the service valve 3 Forthe temperature measured determine the required liquid refrigerant pressure from the appropriate charging charts in Figures 12 14 4 Ifthe pressure measured in step 1 is greater than the required liquid refrigerant pressure determined in step 4 then there is too much charge in the system Remove refrigerant and repeat steps 1 through until the system is correctly charged 5 If the pressure measured in step 1 is less than the required liquid refrigerant pressure determined in step 4 then there is too little charge in the system Add refrigerant and repeat steps 1 through 3 until the system is correctly charged Charging an R 410A Unit in Heating Mode 1 Evacuate the refrigerant system 2 Weigh in the proper charge based on the charge level noted on the rating plate Unit charge MUST be verified in cooling season 3 Verify the unit is operating properly as outlined in System Heating page 13 HEAT PUMP MAINTENANCE WARNING To prevent electrical shock personal injury or death disconnect all electrical power to the unit before performing any maintenance or service Unit may have more than one electrical supply CAUTION Use care when servicing the heat pump or removing components Personal injury can result from sharp edges present in equipment constructed with sheet metal 14 WARNING Do no
22. e load Refer to Table 4 page 15 for unit weights The unit must be lifted from the holes in the base rails using cables or chains Spreader bars are required to protect the unit and ensure even loading Keepthe unitinan upright position at all times The rigging must be located outside the units center of gravity Refer to Figure 7 page 15 for locating the center of gravity All panels must be securely in place during rigging and hoisting Minimum Clearance Requirements Q6SD units are certified as combination heating and cooling equipment for outdoor installation only Figure 2 page 7 displays the minimum clearances to obstructions for both downflow and horizontal discharge Units may be installed on wood flooring or on Class A B or C roof covering material when used with bottom supply and return air ducts as long as the following requirements are met e If using horizontal supply and return air ducts the horizontal roof curb kit and return air kit must be installed prior to unit installation Horizontal roof curb is required e If using bottom discharge with return air ducts a roof curb must be installed prior to unit installation See Rigging and Hoisting section for setting of the unit Ground Level Ground level installations must be located according to local building codes or ordinances and these requirements e Clearances must be in accordance with those shown in Figure 2 Also consider clear
23. e the AUTO mode and others will have the AUTO in place of the HEAT and COOL Others may include all three Refer to the instructions supplied with your thermostat for specific instructions 2 Set the thermostat s temperature selector to the desired heating and cooling temperature level s The outdoor unit and the indoor blower will then cycle on and off in either the heating or cooling mode of operation as required to automatically maintain the indoor temperature within the desired limits Operating the Indoor Blower Continuously The continuous indoor blower operation is typically used to circulate the indoor air to equalize atemperature unbalance due to a sun load cooking or fireplace operation Set the thermostat fan mode to ON Figure 1 The indoor blower starts immediately and will run continually until the fan mode is reset to AUTO The continuous indoor blower operation can be obtained with the thermostat system mode set in any position including OFF Shutting the Heat Pump Off Change the thermostat s system mode to OFF and the fan mode to AUTO See Figure 1 NOTE The system will not operate regardless of the temperature selector setting HEAT PUMP MAINTENANCE CAUTION Shut off all electrical power to the unit before performing any maintenance or service on the system Failure to comply may result in personal injury or death Proper maintenance is most important to achieve the best performance from the
24. eg of the rack NOTE The assembly can now be easily collapsed and removed from the unit See Figure 5 for filter rack securing screw locations Figure 5 Internal Filter Rack Location Installing Filters in the Filter Rack 3 Phase Only 1 Remove access panel screws from return air panel Hint Loosen the unit s top panel screws near the top edge of the access panel The access panel was designed to be captured underneath the top panel 2 Slide the first filter between both guide channels of filter rack and allow the filter to drop easily into place 3 Verify the bottom of the filter is within the channels of the rack 4 Slide the 2nd filter between both guide channels of filter rack 5 Verify the bottom of the filter is within the channels of the rack 6 Replace access cover by sliding the top edge of panel under the lip of the unit s top panel Secure access panel by replacing the screws Removing Filters from Filter Rack 3 Phase Only 1 Remove access panel screws from return air panel Hint Loosen the unit s top panel screws near the top edge of the access panel The access panel was designed to be captured underneath the top panel 2 Remove upper filter by gently pulling filterthrough the access panel opening 3 Remove lower filter by lifting media to top of filter rack Remove in the same manner as described in step 2 4 Install new filter in the fi
25. emperature F Figure 13 Charging Chart for 4 Ton Units COOLING CHARGING CHARTS 13 SEER H P CONTINUED Q6SD X60 Charging Graph Cooling Remove refrigerant when above curve Add refrigerant when below curve 80 85 90 95 100 105 110 115 120 125 130 135 Liquid Temperature F Figure 14 Charging Chart for 5 Ton Units Q6SD SERIES AIRFLOW DATA External Static Pressure Drop inches Water Column Model number Q6SD Denotes factory set cooling speed Denotes factory set electric heating speed NOTE Airflow performance is with a dry coil Table 5 Blower Curves 21 22 23 q ARS CERTIFIED Listed Unitary Small HP AHRI Standard 210 240 Intertek Certification anly when the complete system is listed win AHRI COMPLETE COMFORT GENUINE VALUE Specifications and illustrations subject to change without notice or incurring obligations O Fallon MO 7091280 Printed in U S A 01 10
26. erformed by qualified trained personnel thoroughly familiar with this type equipment All electrical wiring must be completed in accordance with local state and national codes and regulations and with the National Electric Code ANSI NFPA 70 or in Canada the Canadian Electric Code Part 1 CSA C 22 1 Installthis unit only in alocation and position as specified on page 7 This unit is designed only for outdoor installations and should be located with consideration of minimizing the length ofthe supply and return ducts Consideration should also be given to the accessibility of fuel electric power service access noise and shade Follow all precautions in the literature on tags and on labels provided with the equipment Read and thoroughly understand the instructions provided with the equipment prior to performing the installation and operational checkout of the equipment GENERAL INFORMATION The Q6SD series heat pump is designed only for outdoor rooftop or ground level installations This unit has been tested for capacity and efficiency in accordance with A R l Standards and will provide many years of safe and dependable comfort providing itis properly installed and maintained Abuse improper use and or improper maintenance can shorten the life of the appliance and create unsafe hazards Before you install this unit The cooling load of the area to be conditioned must be calculated and a system ofthe proper capaci
27. gizing the unit e Line voltage to the unit should be supplied from a dedicated branch circuit containing the correct fuse or circuit breaker for the unit Incoming field wiring and minimum size of electrical conductors and circuit protection mustbe in compliance with information listed onthe outdoor unit data label Any other wiring methods must be acceptable to authority having jurisdiction The outdoor unit requires both power and control circuit electrical connections Refer to the wiring diagram schematic Figures 10 11 pages 18 19 for identification and location of outdoor unit field wiring interfaces Make all electrical connections in accordance with all applicable codes and ordinances Overcurrent protection must be provided at the branch circuit distribution panel and sized as shown onthe unit rating label and according to applicable local codes See the unit rating plate for minimum circuit ampacity and maximum overcurrent protection limits Provide power supply for the unitin accordance with the unit wiring diagram and the unit rating plate Connect the line voltage leads to the terminals on the contactor inside the control compartment Use only copper wire for the line voltage power supply to this unit as listed in Table 2 Use proper code agency listed conduit and a conduit connector for connecting the supply wires to the unit Use of rain tight conduit is recommended e Units are shipped from the facto
28. lter rack as described in the previous section Horizontal to Downflow Conversion The unit is shipped ready for horizontal duct connections If down flow ducts are required the unitmustbe converted following the steps below for the supply and return ducts 1 Locate the duct cap inside the duct openings and remove the screw holding it in place 2 Liftthe cap out of the unit Hint The cap can be pushed up from the bottom by reaching through the fork slot 3 Cover the horizontal duct opening with the horizontal duct cap The insulation will be on the indoor side 4 Fasten the cover with screws to seal Condensate Drain Condensate is removed from the unit through the 3 female pipe fitting located on the front side of the unit See Figure 6 page 10 Install a 2 inch condensate trap in the drain line of the same size and prime with water When connecting rigid drain line hold the female fitting with a wrench to prevent twisting Do not over tighten Refer to local codes and restrictions for proper condensate disposal requirements MN A Ninn Hin Condensate Hi Nh Drain Il HN HIN UA nl Figure 6 Condensate Drain Location ELECTRICAL WIRING AX WARNING To avoid risk of electrical shock personal injury or death disconnect all electrical power to the unit before performing any maintenance or service The unit may ha
29. m the remainder of a normal defrost as noted above The delay no delay pin affects compressor operation during defrosts To switch from no delay to delay remove the pin from the no delay pin location and move it to the delay pin loction The default setting is delay Reciprocating compressors should only use this setting in conjunction with an approved hard start kit Scroll compressors that have noise issues while going into or coming out of defrost should use this 30 second delay to reduce the defrost noise Normal Defrost Procedure To test normal defrost operation when the temperature is above 35 F jumper R to DFT on the board and allow the unit to run for 30 minutes Defrost will continue until the R to DFT jumper is removed or for 10 minutes Remove the jumper The 5 minute time delay feature can be shortened 1 time to 1 second by jumping the Test to C terminal Remove the jumper and repeat as desired NOTE If jumper is left on the Test to common pins permanently the defrost cycle will be inoperable 12 Defrost Test Procedure 1 Jumper T2 to DFT at the test terminals 2 Withunitrunning in heat mode jumpthe TEST terminal to the C common terminal near it The board will speed up and enter defrost mode in 5 10 15 seconds depending on the defrost time selection Compressor delay will notfunction during speed up NOTE Manually initiating a defrost will cause the compressor to run continually when entering def
30. ngs are listed in Table 5 page 21 For optimum system performance and comfort it may be necessary to change the factory set speed CAUTION To avoid personal injury or property damage make sure the motor leads do not come into contact with any uninsulated metal components of the unit 1 Shut off all electrical power to the unit and remove the blower panel Locate the orange and red wires terminated to the blower motor NOTE The orange wire controls cooling operation while the red wire controls heating operation Verify the required speed from the airflow data found in Table 5 Place appropriate wire on the correct motor speed tap for the required airflow point Defrost Cycle Timer The defrost cycle timer controls the time interval of the hot gas defrost after the defrost sensor closes It is located in the lower left corner of the defrost control board on the low voltage side of the control box Three interval settings are available 30 minutes 60 minutes and 90 minutes Time setting selection is dependent on the climate where the unit is being installed e Example 1 Dry climate of Southern Arizona A 90 minute setting is recommended Example 2 Moist climate of Seattle Washington A 30 minute setting is recommended To set the cycle timer place the timing pin on the defrost control board to the desired time interval post NOTE All units are shipped from the factory with the default time setting of 3
31. rect leads on the low voltage terminal strip Verify that the outdoor fan turns freely Verify that the power supply branch circuit overcurrent protection is sized properly Verify that the thermostat is wired correctly The thermostat system mode should be set to OFF and the thermostat fan mode should be set to AUTO LA e Start Up Procedure Close all electrical disconnects to energize the system AX WARNING If the unit is equipped with a crankcase heater allow 24 hours prior to continuing the start up procedures to allow for heating of the refrigerant compressor crankcase Failure to comply may result in damage and could cause premature failure of the system This warning should be followed at initial start up and any time the power has been removed for 12 hours or longer Air Circulation Leave the thermostat system mode on OFF and set the fan mode to ON Blower should run continuously Check the air delivery at the supply registers and adjust register openings for balanced air distribution Examine ductwork for leaks or obstruction if insufficient air is detected Set the thermostat fan mode to AUTO The blower should stop running Short Cycle Protection 1 With the system operating in cooling mode note the temperature setting of the thermostat and gradually raise the set point temperature until the unit de energizes 2 Immediately lower the set point temperature of the thermostat to its original setting an
32. rmostat also prevents simultaneous operation of the heating and cooling units The low voltage wires must be properly connected to the units low voltage terminal block See Figure 8 page 16 for 208 230V units or Figure 9 page 17 for 430V units Recommended wire gauge and lengths for typical thermostat connections are listed in Table 3 e The thermostat should be mounted about 5 feet above the floor on an inside wall DO NOT install the thermostat on an outside wall or any other location where its operation may be adversely affected by radiant heat from fireplaces sunlight or lighting fixtures and convective heat from warm air registers or electrical appliances Refer to the thermostat s instruction sheet for detailed mounting and installation information Recommended T Stat Wire Length Unit to T Stat 2 Wire 5 Wire Heating Heating Cooling 55 Thermostat Wire Gauge 140 225 E A E ee E E A _ _ __ a w o Table 3 Thermostat Wire Gauge START UP amp ADJUSTMENTS Pre Start Check List Verify the unit is level and allows condensate to drain Verify the outdoor coil and top of the unit are free from obstructions and debris and all equipment access control panels are in place Verify that the duct workis sealed to prevent air leakage Verify that the line voltage power leads are securely connected and the unit is properly grounded Verify that the low voltage wires are securely connected to the cor
33. rost 3 This test will end in 5 seconds if the TEST common short is not removed 4 Remove both the short and the T2 to DFT jumper to terminate the defrost cycle The 30 second compressor delay should operate normally 5 Test is complete reset thermostat to home owner preference Optional Outdoor Thermostat An outdoor thermostat can be installed in the field with 2 stage electric heat by removing the orange wire from the E terminal on the terminal block and connecting to the outdoor thermostat Connect the other side of the outdoor thermostat to W2 from the thermostat Optional Electric Heater Kits Optional electric heater kits are available in 5 kw through 20 kw heating capacities Single package heat pumps are designed to allow optional electric heat to be field installed as required by the building s particular heating load The options available for each unit are shown in the heater kit installation instructions A two stage heat 24VAC thermostat is used when aa two stage electric heater kit is installed As previously noted a field installed circuit breaker kit is available as a means of electrical disconnect for the unit Install the heater kits as directed by the instructions supplied with the heater kit Follow all cautions and warnings as directed Thermostat Connections The Q6SD heat pump requires a 2 stage cooling heating thermostat that must operate in conjunction with installed accessories The 2 stage the
34. ry wired for 230 or 460 volt operation For 208 230V operation remove the lead from the transformer terminal marked 240V and connect it to the terminal marked 208V Optional equipment requiring connection to the power or control circuits must be wired in strict accordance of the NEC ANSI NFPA 70 applicable local codes and the instructions provided with the equipment COPPER WIRE SIZE AWG 1 Voltage Drop Supply Wire Length Feet Supply Circuit 200 1 150 100 so Ampacity 1 gt 3 4 Wire Size based on N E C for 60 type copper conductors Table 2 Copper Wire Size Unbalanced 3 Phase Supply Voltage Voltage unbalance occurs when the voltages of all phases of a 3 phase power supply are no longer equal This unbalance reduces motor efficiency and performance Some underlying causes of voltage unbalance may include Lack of symmetry in transmission lines large single phase loads and unbalanced or overloaded transformers A motor should never be operated when a phase imbalance in supply is greater than 2 Perform the following steps to determine the percentage of voltage imbalance 1 Measure the line voltages of your3 phase power supply where it enters the building and at a location that will only be dedicated to the unit installation at the units circuit protection or disconnect Example AB 451V BC 460V AC 453V 2 Determine the average voltage in the power supply
35. se have the complete model and serial number of the unit when ordering replacement parts ELECTRICAL Capacitors Relays Compressors Temperature Limit Switches Contactors Thermostats Pressure Switches Transformers MOTORS Blower Motor Fan Motor COMPONENTS Fan Grille Filter Driers Blower Assembly Cabinet Panels Expansion Valves FIGURES 8 TABLES 24 9 10 3 4 NPT Female Drain Connector anae AAA DOWNFLOW SUPPLY DUCT OPENING 133 10 DOWNFLOW A RETURN DUCT OPENING Top View 1 3 4 Power Entry Capped HORIZONTAL SUPPLY DUCT OPENING CG 1 1 4 Power Entry HORIZONTAL CONDENSING RETURN DUCT COIL OPENING e 22 25 Y Control Wiring Entr 23 3 5 22 75 55 8 Side View 4 Back View Figure 7 Q6SD Heat pump Dimensions Height C Model Number Center of Gravity Q6SD PPH1SD _ A with base rails without base rails Table 4 Center of Gravity 8 Unit Shipping Weights 15 16 ELECTRICAL INFORMATION SEE ECONOMIZER INSTALLATION INSTRUCTIONS ECONOMIZER PLUG Brown Orange CO NI gt G1 EA Go Poy INDOOR THERMOSTAT SUB BASE DEFROST Accessory BOARD Heat Plug Typical Wiring Field Supplied for 1 Stage Cool 1 Stage Electric Heat SEE ECONOMIZER FROM INSTALLATION BLOWER INSTRUCTIONS RELAY Optional Ou
36. t place combustible material on or against the unit cabinet Do not place combustible materials including gasoline and any other flammable vapors and liquids in the vicinity of the unit CAUTION The unit should never be operated without a filter in the return air system Replace disposable filters with the same type and size Proper maintenance is important to achieve optimum performance from the heat pump The ability to properly perform maintenance on this equipment requires certain mechanical skills and tools If you do not possess these skills contact your dealer for maintenance Consult your local dealer about the availability of maintenance contracts Routine maintenance should include the following Inspect and clean or replace air filters at the beginning of each heating and cooling season or more frequently if required e Inspect the condensate drain and outdoor coil at the beginning of each cooling season Remove any debris Clean the outdoor coil and louvers as necessary using amild detergentand water Rinse thoroughly with water Inspect the electrical connections for tightness at the beginning of each heating and cooling season Service as necessary motors for the circulating air blower and the outdoor fan are pre lubricated at the factory No further oiling is required for the life of this product REPLACEMENT PARTS Replacement parts are available through all Nordyne distributors Plea
37. tdoor Thermostat Field Supplied ECONOMIZER RONG INDOOR THERMOSTAT SUE BASE DEFROST BOARD Accessory Heat Plug Typical Wiring Field Supplied for 2 Stage Cool 2 Stage Electric Heat with an Optional Outdoor Thermostat Figure 8 Typical Heat Pump Thermostat Connections 208V 230V SEE ECONOMIZER INSTALLATION INSTRUCTIONS ECONOMIZER PLUG Accesory Heat Plug 15 INDOOR THERMOSTAT SUB BASE DEFROST BOARD 11 Common 2 Accessory Heat Plug 6 Typical Wiring Field Supplied for 1 Stage Cool 1 Stage Electric Heat SEE ECONOMIZER FROM INSTALLATION BLOWER INSTRUCTIONS ECONOMIZER PLUG Accesory Heat Plug ONID 01 A 69 INDOOR THERMOSTAT SUB BASE DEFROST BOARD Common es Accessory Heat Plug Typical Wiring Field Supplied for 2 Stage Cool 2 Stage Electric Heat with an Optional Outdoor Thermostat Figure 9 Typical Heat Pump Thermostat Connections 460V 17 0 OL TWAYALNI 3H 1 513538 QOIYId WWAYALNI YO 1SOY430 ONIYNG 140 30 DNINIdO GALVIWNDOV SI3WILNNY YOSSISANO 0321999 ONY 035010 130 HLIM 0321943N330 Sl An NIHM NIN S AWLL 440 SAGIAOUd 03Z19843N330 51 N3dO G4ZIDYANA SI NIHM 35012 WNWIXVW DYA OEZ dH Z DNL
38. tin minor or moderate injury or property damage ABOUTTHE HEAT PUMP Your heat pump is a unique all weather comfort control appliance that will heat and cool your home year round and provide energy saving comfort It s an unknown fact that heat is always in the air even when the outside temperature is below freezing The heat pump uses this basic law of physics to provide energy saving heat during the winter months For example Ifthe outdoor temperature is 47 F 8 C your heat pump can deliver approximately 3 5 units of heat energy per each unit of electrical energy used as compared to a maximum of only 1 unit of heat energy produced with conventional heating systems In colder temperatures the heat pump performs like an air conditioner run in reverse Available heat energy outside the home is absorbed by the refrigerant and exhausted inside the home This efficient process means you only pay for moving the heat from the outdoors to the indoor area You do not pay to generate the heat as is the case with more traditional furnace designs During summer the heat pump reverses the flow of the heat absorbing refrigerant to become an energy efficient central air conditioner Excess heat energy inside the home is absorbed by the refrigerant and exhausted outside the home System Mode Temperature Selector Figure 1 Digital Thermostat OPERATING INSTRUCTIONS Please refer to the thermostat manufacturer s User manu
39. ty selected It is recommended that the area to be conditioned be completely insulated and vapor sealed V Check the electrical supply and verify the power supply is adequate for unit operation If there is any question concerning the power supply contact the local power company All units are securely packed atthe time of shipment and upon arrival should be carefully inspected for damage prior to installing the equipment at the job site Verify coil fins are straight If necessary comb fins to remove flattened or bent fins Claims for damage apparent or concealed should be filed immediately with the carrier Please consult your dealer for maintenance information and availability of maintenance contracts Please read all instructions before installing the unit Locating the Heat Pump Survey the job site to determine the best location for mounting the outdoor unit Choose an appropriate location that minimizes the length of the supply and return air ducts Overhead obstructions poorly ventilated areas and areas subject to accumulation of debris should be avoided Sufficientclearance for unobstructed airflow through the outdoor coil mustbe maintained orderto achieve rated performance See Figure 2 for minimum clearances to obstructions Field Connections for Electrical Power Supply All wiring must comply with current provisions of the National Electrical Code ANSI NFPA 70 and with applicable local
40. ve more than one electrical supply Label all wires prior to disconnection when servicing the unit Wiring errors can cause improper and dangerous operation Electrical connections must be in compliance with all applicable local codes and ordinances and with the current revision of the National Electric Code ANSI NFPA 70 For Canadian installations the electrical connections and grounding shall comply with the current Canadian Electrical Code CSA C22 1 and or local codes Pre Electrical Checklist Verify that the voltage frequency and phase of the supply source match the specifications on the unit rating plate V Verify thatthe service provided by the utility is sufficient to handle the additional load imposed by this equipment refer to the unit wiring label for proper high and low voltage wiring Verify factory wiring is in accordance with the unit wiring diagram Figures 10 11 pages 18 19 Inspect for loose connections V Phase balance on 3 phase units must always be checked See Unbalanced 3 Phase Supply Voltage section page 11 Line Voltage A wiring diagram is located on the inside cover of the units electrical box The installer should become familiar with the wiring diagram before making any electrical connections to the outdoor unit 10 An electrical disconnect must be located within sight of and readily accessible to the unit This switch shall be capable of electrically de ener
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