Nordyne Q3RA-036K User's Manual & Installation Instructions
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Nordyne Q3RA-036K User's Manual & Installation Instructions

10 and 12 seer single package heat pump
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10 and 12 SEER
Single Package Heat Pump
Single
Package
Heat Pump
IMPORTANT:
Read this owner information to become familiar with the capabilities and use of your
appliance.
Keep this with literature on other appliances 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 installing contractor
or
distributor in your area.
INTRODUCTION
Your heat pump is a unique, all weather comfort-
control system appliance. The basic operation
of the heating/cooling system is described and
illustrated on page 1 of this manual.
The
surprising fact that heat exists in air even at
below-freezing temperatures is actually the basic
law of physics which the heat pump uses to
provide energy saving heating comfort.
At
outdoor temperatures of 47 ° Fahrenheit or (or
8 ° Celsius),
your
heat pump
can deliver
approximately 2 to 3 units of heat energy per
each unit of electrical energy used, as com pared
to a maximum of only 1 unit of heat energy
produced with conventional
heating systems.
During the cooling
season, the heat pump
reverses
the flow
of the heat-absorbing
refrigerant to become an energy-efficient, central
air conditioner.

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  • Page 1 10 and 12 SEER Single Package Heat Pump Single Package Heat Pump IMPORTANT: Read this owner information to become familiar with the capabilities and use of your appliance. Keep this with literature on other appliances where you have easy access to it in the future.

  • Page 3: Section 1. Owner Information

    SECTION 1. OWNER INFORMATION SYSTEM SWITCH Your heat pump will heat and cool your home FAN SWITCH year round, saving your energy dollars. During the summer, a heat pump performs like any normal air conditioner. That is, the excess heat energy inside the home is absorbed by the refrigerant and exhausted outside the home.

  • Page 4: Section 2. Installer

    heating)will be used as a sourceof heat. Sustained use of electricresistance heat in 6ft. place oftheheatpump willresult i nanincrease 24" inelectric utilitycosts. Defrost -- 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 periodically defrost itself.

  • Page 5: Unpack The Unit

    Donotplacetheunitin a confined space. The supply and return fittings are included with select models. If supplied, the duct fittings are Ifpractical, place theheat p ump where itand shipped in the supply duct. They attach to the the ducts will beshaded fromtheafternoon unit openings with...

  • Page 6: Duct Requirements

    When locating the supply damper(s), carefully check floor joists and frame members that _RILLE could interfere with the installation of the damper --ILTER or flexible duct. Ideally, the damper should be located in the bottom of the main duct, forward - RETURN AIR of center of the home, at least three feet from the nearest register.
  • Page 7 The flexible ducts may be cut to the required length, see instructions packed with duct. Keep all ducts as short and straight Elbow possible. Avoid sharp bends. d. Ducts may be spliced with sheet metal sleeves and clamps. (See Ducting Installation Accessories below.) e.

  • Page 8: Electrical Connections

    Place the desired blower speed lead on the "NO" terminal of the blower WARNING: relay. another wire (field supplied) to bundle the remaining motor Turn electrical power before lead up and out of the way. servicing controls. Severe electrical shock may result unless power is turned off.
  • Page 9 FROM BLOWER RELAY _l!_Green L .... Brown INDOOR THERMOSTAT Orange SUB-BASE Accessory Heat Plug BOARD Typical Wiring (Field Supplied) for 1-Stage Cool, 1 Stage Electric Heat FROM BLOWER RELAY -I/_/_ Green Optional Outdoor Thermostat (Field Supplied) ..=..L ..-_'_ o<_Z_ ©...

  • Page 10: System Operation

    mostat instructions for details on setting the 40 45 outdoor thermostat. 4. DEFROST CYCLE CONTROL The defrost cycle is initiated via a signal from the defrost sensor on the outdoor coil to the defrost control board inside the control panel indicating the coil temperature is low enough to start accumulating frost.

  • Page 11: Start-Up Procedure

    b. System Heating Set the thermostat Istheunitlevel? I tshouldbelevelorslightly slanted toward the drain for proper system switch to HEAT and set the thermostat fan switch to AUTO. Position the thermostat condensate drainage. temperatu re selector above the existing room Istheunit installedwiththeproperclearances temperature and check for the discharge of (SeeFigure 2)? warm air at the supply registers.
  • Page 12 10 SEER - Refrigerant Charging Tables for Heating Mode of Operation - Continued 2-1/2 Ton OUTDOOR TEMPERATURE _r_s_ 3 Ton OUTDOOR TEMPERATURE 3-1/2 Ton OUTDOOR TEMPERATURE Disch. Temp. >tea= 4 Ton 5 Ton OUTDOOR TEMPERATURE Press Presa _eSS 2__4 2._s * Note: All pressures am listed in psig.
  • Page 13 12 SEER - Refrigerant Charging Tables for Heating Mode of Operation 2 Ton OUTDOOR TEMPERATURE Dlsch. Temp. 2-1/2 Ton OUTDOOR TEMPERATURE s4JC. press, >r_s Pres_ 3_2.o 3!_3 3.._!_s 3 Ton OUTDOOR TEMPERATURE Disch Suc. Olsch. _res_ press Temp+ 3.__.s 3._.Z_7 I 181 J 185 3-1/2 Ton...
  • Page 14 2 Ton OUTDOOR TEMPERATURE (°F 1 :Suct. Press. Dis Press. Dis. Temp Dis. Press. Dm. Temp. DIS. Press. DIS. Temp. Dis. Press DIS, Tem£ is. Press Dis. Temp =is. Press. Dis Tem_ Dis. Press. Dis. Temp. )is. Press. Dis. Temp..
  • Page 15 3 Ton "_ ..0o OUTDOOR TEMPERATURE(°F) _ Ill Suct. Press. Dis. Press. Dis. Temp Dis. Press Dis. Temp Dis. Press. Dis. Temp )is. Press. Dis. Temp. Dis. Press Dis. Temp Dis. Pr_s. DisTemp _is. Press. Dis. Temp. Dis. Press. Dis. Temp. _"_1 ft,w "1...
  • Page 16 4Ton OUTDOOR TEMPERArURE(°F) Suct. Press DIS Press Dis. Temp. Dis. Press DisTemp.i DIS. Press. Dis. Temp Dis. Press. Dis. Tamp Dis. Press Dis. Temp. Dis. Press Dis. Temp., Dis. Press. Dis. Temp Dis. Press. Dis. Temp. O "_ _ _;;_!_ _,_t_i ii_!i_ 5 Ton...
  • Page 17 2 Ton OUTDOOR TEMPERATURE (°F) D_. Temp. D_. Press D_. Temp,! )is Press. Dis. Temp. D_, Press. Dis, Temp. Dis, Press. D_. Temp. 3is. Press. Dis. Temp. Dis, Press. D_. Temp. Suct. Press, Press. Dis. Temp. Press. ___,, "= e-l= _c%_= rJ___.
  • Page 18 3 Ton OUTDOOR TEMPERATURE (°F) Suct. Press. 3_.Press D$ Temp _.Press. Dis. Temp D_,Press D_.Temp. D_.Press D_.Temp, Dis,Press 3_.Temp. DB.Press. D_.Temp D_.Press. D_.Temp. D_.Press. D_.Temp _i!_i_ i_ili_ i_i_i_i ..,= 3-1/2 Ton OUTDOOR TEMPERATURE (°F) Suct. Press. Dis. Press, D_ Temp. DE. Press. Dis Temp D_.Press.
  • Page 19 4 Ton OUTDOOR TEMPERATURE (°F) O..Pre. O,.Temp. 0 Suct, Press. I_.Prees Dis. Temp. )_.Press. D_.Temp. 3_.Press. D_.Temp IDa. Press. Dis. Temp. D_.Press Dis Temp. D_.Press D_.Temp D_.Press. D_.Temp 1B_ _:_i!_; * Note: All pressures are listed in psig. and all temperatures in °F.
  • Page 20 INSTALLER PLEASE LEAVE THESE INSTALLATION INSTRUCTIONS WITH THE HOMEOWNER. II I II III III IIIII IIIII 708299A (Replaces 7082990) Specificationsand illustrationssubject to change without notice and withoutincurring obligations. (11/03) 708299A...

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