Table of Contents
Advertisement
Outdoor Heat Pump
User's Information/Installation Instructions
14 SEER R-410A High Efficiency Split System
These units have been designed and tested for capacity and efficiency in accordance with AHRI
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 qualified individuals experienced in the proper
installation of heating and/or air conditioning appliances. Some local codes require licensed instal-
lation/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
1. Indoor air enters the air handler section.
2. Cold, heat-transfer section (indoor coil)
3. Refrigerant, drawn to heat pump and
4. Hot, heat-transfer section (outdoor coil)
5. Heat pump (outdoor fan) discharges the
6. Refrigerant returns to indoor coil and
SUMMER COOLING
extracts heat from indoor air as refrigerant
evaporates from a liquid to a cold gas.
compressed to a hot gas by heat pump,
carries the heat outdoors.
releases the heat as refrigerant condenses
from a gas to a liquid.
heat to outside air.
evaporates once again to absorb more
heat.
Advertisement
Table of Contents
Related Manuals for Nordyne T4BE Series
Summary of Contents for Nordyne T4BE Series
- Page 1 Outdoor Heat Pump User’s Information/Installation Instructions 14 SEER R-410A High Efficiency Split System These units have been designed and tested for capacity and efficiency in accordance with AHRI 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 to maintain the indoor temperature at TO OPERATE YOUR HEAT PUMP the desired heating level. FOR COOLING — NOTE: If the thermostat temperature level is re-adjusted, or the thermostat system 1.
-
Page 4: General Information
Regularly: TO OPERATE YOUR HEAT PUMP FOR AUTOMATIC COOLING AND a. Clean or replace the indoor air filter at the start of each heating and cooling season, HEATING — and when an accumulation of dust and dirt is visible on the air filter. Inspect the filter 1. -
Page 5: Safety Considerations
etc.) must be used when performing brazing refrigerant for an additional 15 ft. of refrigerant lines the same size as the valve fittings. operations. NOTE: DO NOT USE ANY PORTION OF WARNING: THE CHARGE FOR PURGING OR LEAK TESTING. Make sure all electrical power to the unit Matching coils and air handlers may be shipped is off prior to installing or servicing the with a small holding charge to pressurize them to... -
Page 6: Installing The Indoor Unit
liquid line, the filter dryer must be replaced with nor transmit noise to the interior of the structure. Refrigerant and electrical line should be routed the one supplied with the unit. The filter dryer through suitably waterproofed openings to must be installed in strict accordance with the prevent water leaking into the structure. -
Page 7: Functional Checkout
Prior to applying electrical power to the outdoor Minimum Circuit Ampacity — Electrical wiring unit, ensure that the unit has been properly and to the equipment must be compatible and in securely grounded, and that power supply compliance with the minimum circuit ampacity connections have been made at both the facility listed on the outdoor unit data label. -
Page 8: Air Handler
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... - Page 9 A typical installation with a heat pump thermostat, air handler, and heat pump with an outdoor thermostat. Thermostat G R W 2 C E O Y Green White Black Air Handler Heat Pump OD Section Typical Heat Pump with Outdoor Thermostat and Air Handler...
- Page 10 the thermostat inputs to the unit. Thus, when the ALERT LED (Yellow): communicates an switch opens and then closes, there will be a 5 abnormal system condition through a unique minute short cycling delay before the outdoor flash code. The ALERT LED will flash a number unit will energize.
- Page 11 Example 2. Moist climate of Seattle, Heating — Lower the thermostat setpoint temperature to the lowest obtainable setting and Washington. A 30 minute setting is set the thermostat function switch to HEATING. recommended. The indoor blower and outdoor unit should stop running.
- Page 12 Status LED Status LED Status LED Troubleshooting Information Description POWER Module has power Supply voltage is present at module terminals (Green LED) • Compressor protector is open • Check for high head pressure • Check compressor supply voltage Thermostat demand •...
- Page 13 Miswired Module Indication Recommended Troubleshooting Action • Determine if both R & C module terminals are connected. Green LED is not on, module does not power up • Verify voltage is present at module’s R & C terminals. • Determine if R & Y terminals are wired in reverse. Green LED intermittent, module powers up only when •...
-
Page 14: Adjustment Of Refrigerant Charge
Defrost Test Procedure for 624656 Adjustment of Refrigerant Charge: 1. Jumper “T2” to “DFT” at the test terminals. 2. With unit running in heat mode, short the CAUTION: “TEST” terminal to the common terminal near it. This will speed up the board and cause Split system heat pump equipment it to enter defrost mode in 5/10/15 seconds c o n t a i n s l i q u i d a n d g a s e o u s... - Page 15 Refrigerant Charging Charts for Cooling Mode of Operation 14 SEER Split System Cooling Charts 1.5 T on Heat P ump T XV C ooling C harging C hart Remove refrigerant when above curve Add refrigerant when below curve Liquid T emperature (F ) 2 T on Heat P ump T XV C ooling C harging C hart Remove refrigerant when above curve Add refrigerant when below curve...
- Page 16 Refrigerant Charging Charts for Cooling Mode of Operation 14 SEER Split System Cooling Charts 2.5 T on Heat P ump T XV C ooling C harging C hart Remove refrigerant when above curve Add refrigerant when below curve Liquid T emperature (F ) 3 T on Heat P ump T XV C ooling C harging C hart Remove refrigerant when above curve Add refrigerant when below curve...
- Page 17 Refrigerant Charging Charts for Cooling Mode of Operation 14 SEER Split System Cooling Charts 3.5 T on Heat P ump T XV C ooling C harging C hart Remove refrigerant when above curve Add refrigerant when below curve Liquid T emperature (F ) 4 T on Heat P ump T XV C ooling C harging C hart Remove refrigerant when above curve Add refrigerant when below curve...
- Page 18 Refrigerant Charging Charts for Cooling Mode of Operation 14 SEER Split System Cooling Charts 5 T on Heat P ump T XV C ooling C harging C hart Remove refrigerant when above curve Add refrigerant when below curve Liquid T emperature (F )
- Page 24 INSTALLER: PLEASE LEAVE THESE INSTALLATION INSTRUCTIONS WITH THE HOMEOWNER Specifications & illustrations subject to change without notice or incurring obligations. 708695B (Replaces 708695A) O’ Fallon, MO | Printed in U.S.A. (07/11)
Need help?
Do you have a question about the T4BE Series and is the answer not in the manual?
Questions and answers