Nordyne 13 SEER High Effi ciency Split System Installation Manual
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Nordyne 13 SEER High Effi ciency Split System Installation Manual

Nordyne 13 SEER High Effi ciency Split System Installation Manual

Outdoor heat pump 13 seer high efficiency split system
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See also: User Information , Installer and User Manual
Outdoor Heat Pump
User's Information/Installation Instructions
13 SEER High Effi ciency Split System
These units have been designed and tested for capacity and effi ciency in accordance with A.R.I.
Standards. Split System Heat Pump units are designed for use with a wide variety of fossil fuel
furnaces, electric furnaces, air handlers, and evaporator coil combinations.
These instructions are primarily intended to assist qualifi ed individuals experienced in the proper
installation of heating and/or air conditioning appliances. Some local codes require licensed
installation/service personnel for this type of equipment. Read all instructions carefully before
starting the installation.
USER'S INFORMATION
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 servicing contractor.
Heat Pump Principle of Operation
WINTER HEATING
1. Outdoor air enters heat pump.
2. Cold, heat-transfer section (outdoor coil)
extracts heat from outdoor air as refrigerant
evaporates from a liquid to a gas.
3. Refrigerant, compressed to a hot gas by
heat pump, carries the heat to the hot heat-
transfer section (indoor coil).
4. Hot, heat-transfer section (indoor coil)
releases the heat to indoor air as refrigerant
condenses from a gas to a liquid.
5. Air handler circulates the heat throughout
the home.
6. Refrigerant returns to outdoor coil and
evaporates once again to absorb more
heat.
IMPORTANT
SUMMER COOLING
1. Indoor air enters the air handler section.
2. Cold, heat-transfer section (indoor coil)
extracts heat from indoor air as refrigerant
evaporates from a liquid to a cold gas.
3. Refrigerant, drawn to heat pump and
compressed to a hot gas by heat pump,
carries the heat outdoors.
4. Hot, heat-transfer section (outdoor coil)
releases the heat as refrigerant condenses
from a gas to a liquid.
5. Heat pump (outdoor fan) discharges the
heat to outside air.
6. Refrigerant returns to indoor coil and
evaporates once again to absorb more
heat.

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Summary of Contents for Nordyne 13 SEER High Effi ciency Split System

  • Page 1 Outdoor Heat Pump User’s Information/Installation Instructions 13 SEER High Effi ciency Split System These units have been designed and tested for capacity and effi ciency in accordance with A.R.I. Standards. Split System Heat Pump units are designed for use with a wide variety of fossil fuel furnaces, electric furnaces, air handlers, and evaporator coil combinations.

  • Page 3: Operating Instructions

    and indoor blower will both cycle on and off OPERATING INSTRUCTIONS to maintain the indoor temperature at the TO OPERATE YOUR HEAT PUMP desired heating level. FOR COOLING — NOTE: If the thermostat temperature level is re-adjusted, or the thermostat system switch 1.

  • Page 4: General Information

    and when an accumulation of dust and TO OPERATE YOUR HEAT PUMP dirt is visible on the air fi lter. Inspect the FOR AUTOMATIC COOLING AND fi lter monthly. HEATING— b. Remove any leaves and grass clippings 1. Set the thermostat system switch to AUTO from the coil in the outdoor unit, being and the thermostat fan switch to AUTO.

  • Page 5: Safety Considerations

    SITE PREPARATION NOTE: DO NOT USE ANY PORTION OF THE CHARGE FOR PURGING OR LEAK TESTING. Unpacking Equipment — Remove the cardboard carton and User’s Manual from the Matching coils and air handlers may be shipped equipment. Take care to not damage tubing with a small holding charge to pressurize them to connections when removing from the carton.

  • Page 6: Installing The Indoor Unit

    INSTALLING THE INDOOR UNIT be installed in strict accordance with the manufacturer’s installation instructions. The indoor section should be installed before ELECTRICAL CONNECTIONS proceeding with routing of refrigerant piping. Consult the Installation Instructions of the indoor unit (i.e.: air handler, furnace, etc.) for details WARNING: regarding installation.

  • Page 7: Startup And Checkout

    Prior to applying electrical power to the outdoor with the maximum fuse/circuit breaker size listed unit, ensure that the unit has been properly and on the outdoor unit data label. securely grounded, and that power supply connections have been made at both the facility Disconnect Switch —...
  • Page 8 Thermostat G R W 2 C E O Y NOTE: Jumper between W2 and E is required when no OD T-Stat is used. Green Brown Orange For 2-Stage Heater Kits Black Air Handler Heat Pump OD Section Typical Heat Pump with Standard Air Handler A typical installation with a heat pump thermostat, air handler, and heat pump with an outdoor thermostat.
  • Page 9 Example 1. Dry climate of Southern Cooling — Gradually lower the thermostat temperature setpoint below the actual room Arizona. A 90 minute setting is temperature and observe that the outdoor unit recommended. and indoor blower energize. Feel the air being Example 2.

  • Page 10: Adjustment Of Refrigerant Charge

    4. Remove both the short and the “T2” to “DFT” NOTE: Linesets over 15 feet in length may jumper to terminate the defrost cycle. The require additional refrigerant charge. NORDYNE 30 second compressor delay should operate recommends 0.6 oz. of refrigerant per foot for normally.
  • Page 11 13 SEER Split System Heat Pump Orifi ce Restrictor Bore Size (in) Model Number System Charge R-22(oz.) Indoor Outdoor 1.5 ton TXV ONLY 0.041 2.0 ton TXV ONLY 0.047 2.5 ton TXV ONLY 0.053 3.0 ton TXV ONLY 0.055 3.5 ton TXV ONLY 0.055 4.0 ton...
  • Page 12 TXV Refrigerant Charging Chart 2.5 Ton HP TXV Charging Chart Remove refrigerent when above curve Add refrigerent when below curve Liquid Temperature (F) 3.0 Ton HP TXV Charging Chart Remove refrigerent when above curve Add refrigerent when below curve Liquid Temperature (F)
  • Page 13 TXV Refrigerant Charging Chart 3.5 Ton HP TXV Charging Chart Remove refrigerent when above curve Add refrigerent when below curve Liquid Temperature (F) 4.0 Ton HP TXV Charging Chart Remove refrigerent when above curve Add refrigerent when below curve Liquid Temperature (F)
  • Page 14 TXV Refrigerant Charging Chart 5.0 Ton HP TXV Charging Chart Remove refrigerent when above curve Add refrigerent when below curve Liquid Temperature (F)
  • Page 20 INSTALLER: PLEASE LEAVE THESE INSTALLATION INSTRUCTIONS WITH THE HOMEOWNER. ¢708764F¤ 708764A (Replaces 7087640) Specifi cations and illustrations subject to change without notice and without incurring obligations. 708764A Printed in U.S.A. (08/08)

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