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Nordyne Q4 Series manual

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Table of contents for the manual

  • Page 1

    460 Volt Q4 Series Read these instructions thoroughly before starting the installation. Follow all precautions and warnings contained within these instructions and on the unit. These instructions are primarily intended to assist qualified individuals experienced in the proper installation of heating and/or air conditioning appliances. Some local co[...]

  • Page 2

    2 TABLE OF CONTENTS OWNER INFORMATION .......................................................................................................... 3 SPECIFICATIONS ................................................................................................................. .... 4 SAFETY CONSIDERATIONS .............................................[...]

  • Page 3

    3 It is the sole responsibility of the homeowner to make certain that heat pump has been correctly set up and adjusted to operate properly. NORDYNE warrants the heat pump to be free from defects in material or workmanship for a period of one year. A warranty certificate with full details is included with the heat pump. How- ever, NORDYNE will not b[...]

  • Page 4

    4 OPERATING INSTRUCTIONS To Operate Your Heat Pump For Cooling — 1. Set the thermostat system switch to COOL and the thermostat fan switch to AUTO. (See Figure 1) 2. Set the thermostat temperature selector to the desired cooling temperature. The outdoor unit fan, the indoor blower, and the compressor will all cycle on and off to maintain the indo[...]

  • Page 5

    5 All models are shipped from the factory with the following: 1. Zero clearance to combustibles 2. Multi-speed direct-drive blower. 3. Blower Speed Relay. 4. Horizontal or Down flow duct connections. The unit dimensions are shown in Figure 3 . Optional field-installed electric heater kits are available in 9 kw and 15 kw heating capacities. A separa[...]

  • Page 6

    6 Figure 3. Dimensions 24.9 13.5 16.0 23.5 12.0 13.3 13.5 16.0 12.0 CG A 47.5 3/4" NPT Female Drain Connector B SUPPL Y RETURN Top View Side View Back View C en t e r o f G rav it y Hei g h t ( in in ch es) Mod el No. C w it h b ase rails w it h o u t b ase rails Q 4S A- 036 3 40 28.0 26.0 33.7 31.3 Q 4S A- 048 3 45 28.0 26.0 33.7 31.3 Q 4S A-[...]

  • Page 7

    7 Figure 4. Minimum Clearances 36" 36" 6" 72" 36" Condensate Drain Figure 5. Condensate Drain UNIT INSTALLATION Ground Level — When installing the unit at ground level, provide a concrete mounting pad separate from the building foundation. The pad must be level to insure proper condensate disposal and strong enough to sup[...]

  • Page 8

    8 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. Duct lining must be UL classified batts o[...]

  • Page 9

    9 Use a separate branch electrical circuit for this unit. A means of electrical disconnect must be located within sight of and readily accessibility to the unit. Internally mounted circuit breakers are available as field installed options. These circuit breakers can be used as an electrical disconnect. Provide power supply (or supplies) for the uni[...]

  • Page 10

    10 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. 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,[...]

  • Page 11

    11 UNIT MAINTENANCE ! W ARNING: 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 have more than one electrical supply. Refrigerant Charging — The Q4 packaged heat pumps are fully charged at the factory . The system refrigerant charg[...]

  • Page 12

    12 Typical Wiring (Field Supplied) for 1-Stage Cool, 1-Stage Heat Typical Wiring (Field Supplied) for 2-Stage Cool, 1-Stage Heat Figure 10. Typical Thermostat Connection E O G R Y1 1 2 3 4 5 6 7 8 9 Blue ECONOMIZER PLUG INDOOR THERMOST A T SUB-BASE Green FROM BLO WER RELA Y (Optional,Check Thermostat Instructions) Y2 W2 W3 X E R W2 O Y C DEFROST BO[...]

  • Page 13

    13 Heat Pump in Heating * Note: All pressures are listed in psig. and all temperatures in deg. F. — Shaded Boxes indicate flooded conditions — Rated Design Values. Suction Pressure will be lower than design value if indoor air flow, entering dry bulb, or entering wet bulb temperatures are lower than design. — Discharge temperatures greater th[...]

  • Page 14

    14 Table 2a. Q4SA Heating Charging Charts Heat Pump in Heating * Note: All pressures are listed in psig. and all temperatures in deg. F. — Shaded Boxes indicate flooded conditions — Rated Design Values. Suction Pressure will be lower than design value if indoor air flow, entering dry bulb, or entering wet bulb temperatures are lower than design[...]

  • Page 15

    15 Q4S A-036 OU T D O O R T E M P E R AT URE ( ° F ) 70 75 80 85 90 95 100 105 Suc t. P res. Di sch . P res. Di sch . Te m p. Di sch . Pre s. Di sch . Te m p. Di sch . Pres . Di sch . Te m p. Di sch . P r es. Disch . Tem p . Di s c h . P r es. Di s c h . Tem p. Di s c h . P r es. Di s ch . Tem p. Di s c h. P res. Di sch. Te m p. D i sch . P res. D[...]

  • Page 16

    16 Q4S A-060 OU T D O O R T E M P E R AT URE ( ° F ) 70 75 80 85 90 95 100 105 Suc t. P res. Di sch . P res. Di sch . Te m p. Di sch . Pre s. Di sch . Te m p. Di sch . Pres . Di sch . Te m p. Di sch . P r es. Disch . Tem p . Di s c h . P r es. Di s c h . Tem p. Di s c h . P r es. Di s ch . Tem p. Di s c h. P res. Di sch. Te m p. D i sch . P res. D[...]

  • Page 17

    17 Q4 A C C E S S OR IE S Descri pti on P art N u m ber Roof Curb (8" ) 547830 Roof Curb (14" ) 547831 M anual F r es h A i r Damper 547832 E c onom i z er, downf l ow 547833 S uppl y/ ret urn trans it i on, 16" 547834 S uppl y/ ret urn trans it i on, 18" 547835 Conc ent ri c di f f us er, f lus h, 16" 547836 Conc ent ri c [...]

  • Page 18

    18 Convertible Packaged Heat Pump 460 V olt Three Phase 60Hz N N OTES: 1. Disconnect all power before servicing. 2. For supply connections use copper conductors only . 3. If any of the original wire as supplied with the furnace must be replaced, it must be replaced with wiring material having a temperature rating of at least 105 ° C. 4. For supply[...]

  • Page 19

    INST ALLER: PLEASE LEA VE THESE INST ALLA TION INSTRUCTIONS WITH THE HOMEOWNER. R ® A S C O M P L Y I I T N G W H T T H N I S U I H A S B I D D A R I S T A N A R 2 1 0 T A I D N F I E D T R E C E E N R - C O I I O N I N G T A I D N R - C O I I O N I N G D I T I O N I N G N O C - R I A R ¢707885W¤ 707885A St. Louis, MO 707885A (Replaces 7078850) [...]