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IMPORTANT SAFETY INFORMATION

Please read all 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.

 WARNING:

ELECTRICAL SHOCK, FIRE OR

EXPLOSION HAZARD

Failure to follow safety warnings exactly could 

result in serious injury or property damage.
Improper servicing could result in dangerous 

operation, serious injury, death or property 

damage.
•  Before servicing, disconnect all electrical power 

to the indoor blower.

•  When servicing controls, label all wires prior 

to disconnecting. Reconnect wires correctly.

•  Verify proper operation after servicing.

 WARNING:

These 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 familiar 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.

 WARNING:

Do not 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:

This unit uses R-410A refrigerant. DO NOT use 

any other refrigerant in this unit. Use of another 

refrigerant will damage the unit.

 WARNING:

The information listed below and on the next 

page must be followed during the installation, 

service, and operation of this unit. Unqualified 

individuals should not attempt to 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.

•  Before beginning the installation, verify that the unit model is 

correct for the job. The unit model number is printed on the 

data label.

• This equipment contains liquid and gaseous refrigerant 

under high pressure. 

DO NOT USE ANY PORTION OF THE 

CHARGE FOR PURGING OR LEAK TESTING

. Installation 

or servicing should only be performed by qualified trained 

personnel thoroughly familiar with this type equipment.

•  Installation of equipment may require brazing operations. 

Installer must comply with safety codes and wear appropriate 

safety equipment (safety glasses, work gloves, fire extinguisher, 

etc.) when performing brazing operations.

•  This unit is designed for outdoor installations only and should be 

located in a position as shown on 

page 4

. Unit dimensions 

are shown in 

Figure 9 (page 17)

 & 

Table 15 (page 17)

.

•  The installer should become familiar with the units wiring 

diagram before making any electrical connections to the unit. 

See the unit wiring label or 

Figure 10 (page 18)

Figure 11 

(page 19)

, & 

Figure 12 (page 20)

.

•  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.

• Use caution when handling this appliance or removing 

components. Personal injury can occur from sharp metal 

edges present in all sheet metal constructed equipment.

Summary of Contents for Q7RE Series

Page 1: ...mportant role as well Pay attention to all safety warnings and any other special notes highlighted in the manual Improper installation of the furnace or failure to follow safety warnings could result...

Page 2: ...Air Circulation 10 System Heating 10 System Cooling 10 Short Cycle Protection 10 Emergency Heat 10 Forced Defrost Mode Field Test 10 Anti Short Cycle Timer Test 11 Heating Mode 11 Cooling Mode 11 COMP...

Page 3: ...d any other flammable vapors and liquids in the vicinity of the unit CAUTION This unit uses R 410A refrigerant DO NOT use any other refrigerant in this unit Use of another refrigerant will damage the...

Page 4: ...rating plate for the proper circulating air flow and temperature rise It is important that the duct system be designed to provide the correct flow rates and external pressure rise An improperly desig...

Page 5: ...insulated to minimize duct losses and prevent condensation Use insulation with an outer vapor barrier Refer to local codes for insulation material requirements HEAT PUMP INSTALLATION Unpacking the Uni...

Page 6: ...or joists Care should be taken when cutting throughcarpetingtoavoidsnags NOTE Inmostinstallationsit will be necessary to cut a similar hole in the fiberboard directly under the hole in the floor Howev...

Page 7: ...rical box of the unit The installer should become familiar with the wiring diagram before making any electrical connections to the unit An electrical disconnect must be located within sight of and rea...

Page 8: ...her location where its operation may be adversely affected by radiant heat from fireplaces sunlight or lightingfixtures andconvectiveheatfromwarmairregistersor electrical appliances Refer to the therm...

Page 9: ...28 1084 29 1027 31 967 33 Tap T3 1266 25 1332 24 1291 24 1245 25 1192 27 1132 28 1067 30 995 32 Tap T4 1518 21 1481 21 1442 22 1400 23 1355 23 1307 24 1256 25 1202 26 Tap T5 1686 19 1644 19 1601 20 15...

Page 10: ...ting Set the thermostat system mode to HEAT and the fan mode to AUTO Change the thermostat temperature selector above the existing room temperature and check for the discharge of warm air at the suppl...

Page 11: ...to the System Heating section on page 10 Anti Short Cycle Timer Test The 5 minute time delay feature can be bypassed by shorting the TEST pins together Heating Mode WhentheTESTpinsareshortedtogetherfo...

Page 12: ...75 80 85 90 95 100 105 LIQ PRESS DIS TEMP LIQ PRESS DIS TEMP LIQ PRESS DIS TEMP LIQ PRESS DIS TEMP LIQ PRESS DIS TEMP LIQ PRESS DIS TEMP LIQ PRESS DIS TEMP LIQ PRESS DIS TEMP 135 238 135 137 239 139...

Page 13: ...R TEMPERATURE F 70 75 80 85 90 95 100 105 LIQ PRESS DIS TEMP LIQ PRESS DIS TEMP LIQ PRESS DIS TEMP LIQ PRESS DIS TEMP LIQ PRESS DIS TEMP LIQ PRESS DIS TEMP LIQ PRESS DIS TEMP LIQ PRESS DIS TEMP 135 26...

Page 14: ...e suction pressure will vary from design value if outdoor air flow entering dry bulb or entering wet bulb temperatures vary NOTES 1 All pressures are listed psig and all temperatures in F 2 Discharge...

Page 15: ...63 124 69 283 130 84 307 145 105 352 166 126 396 188 43 231 109 52 249 116 61 268 122 70 287 128 85 314 142 106 359 162 127 403 182 44 238 107 53 255 114 62 273 120 71 290 126 86 321 139 107 366 157 1...

Page 16: ...115 47 242 123 58 268 132 69 294 141 84 324 158 104 374 183 124 424 208 38 223 113 48 248 121 59 273 130 70 298 139 85 331 155 105 381 178 125 431 201 39 230 111 49 254 119 60 278 128 71 301 137 86 3...

Page 17: ...ctric Heater Power Supply 1 125 Power Supply 0 875 Low Voltage Supply Control Access Panel Blower Access Panel H 17 86 15 36 10 10 3 4 NPT Drain Connection 1 12 13 1 38 3 2 3 2 5 29 Side View MODEL NU...

Page 18: ...connections use copper conductors only 3 Not suitable on systems that exceed 150V to ground 4 For replacement wires use conductors suitable for 105 C 1 Couper le courant avant de faire letretine 2 Emp...

Page 19: ...servicing 2 For supply connections use copper conductors only 3 Not suitable on systems that exceed 150V to ground 4 For replacement wires use conductors suitable for 105 C 1 Couper le courant avant...

Page 20: ...1 Disconnect all power before servicing 2 For supply connections use copper conductors only 3 Not suitable on systems that exceed 150V to ground 4 For replacement wires use conductors suitable for 105...

Page 21: ...nd stage outdoor thermostat is field supplied NOTE 2 HUD outdoor thermostat is not factory installed in all models For HUD applications Remove white wire between terminal W2 and W2 IN terminal C G O W...

Page 22: ...22...

Page 23: ...23...

Page 24: ...essure high side Stage 1 Suction Pressure low side FILTER SYSTEM Filter s secured in place YES NO Filter s clean YES NO 10331420 Replaces 10270500 INSTALLER PLEASE LEAVE THESE INSTRUCTIONS WITH THE OW...

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