Table of Contents
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Q4SE SERIES
14 SEER
TWO STAGE R-410A SINGLE
PACKAGE
HEAT PUMP
Premium Model Shown
Please read this information
thoroughly
and become familiar with the capabilities and
use of your appliance
before attempting to operate or maintain this unit. Keep this
literature 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.
These instructions
are primarily intended to assist qualified
individuals experienced
in
the proper installation of this appliance.
Some local codes require licensed installation/
service personnel for this type of equipment. Please read all instructions carefully before
starting
the installation.
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Table of Contents
Troubleshooting
Related Manuals for Nordyne Q4SE Series
Summary of Contents for Nordyne Q4SE Series
- Page 1 Q4SE SERIES 14 SEER TWO STAGE R-410A SINGLE PACKAGE HEAT PUMP Premium Model Shown Please read this information thoroughly and become familiar with the capabilities and use of your appliance before attempting to operate or maintain this unit. Keep this literature where you have easy access to it in the future.
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Page 2: Table Of Contents
Operating the Heat Pump for Automatic important Safety information ........Cooling and Heating ..........About the Heat Pump ..........Oper. the Indoor Blower Continuously ....... 4 Operating instructions ..........Shutting the Heat Pump Off ........Cooling Operation ............. System Maintenance ..........Heating Operation ............. -
Page 3: Important Safety Information
IMPORTANT SAFETY INFORMATION OPERATING INSTRUCTIONS Safetymarkings are usedfrequently throughout t his Please refer to the thermostat manufacturer's User manual manual todesignate a degree orlevel o fseriousness and for detailed programming instructions. should notbeignored. WARNING indicates a potentially hazardous s ituation thatif notavoided, c ouldresultin Cooling Operation personal injury ordeath. -
Page 4: Operating The Heat Pump For Automatic Cooling And Heating
At the beginning ofthe defrost c ycle,boththe outdoor HEAT PUMP MAINTENANCE condenserfan and compressor will turn off. After approximately 30 seconds, thecompressor willturnon /b, CAUTION: andbeginto heatthe outdoor c oilcausing the iceand snow to melt. Shut off all electrical power to the unit before performing any maintenance... -
Page 5: Important Safety Information
IMPORTANT SAFETY INFORMATION WARNING: Safetymarkings are usedfrequently throughout t his manual todesignate a degree or level o fseriousness and Do not place combustible material on or against should notbeignored. WARNING indicates a potentially unit cabinet. Do not place combustible hazardous s ituation thatif not avoided, c ouldresultin materials, including gasoline... -
Page 6: General Information
GENERAL INFORMATION Electrical power supplied to the unit must be adequate Thissinglepackage heatpumphasbeen designed and for proper operation of the equipment. The system tested forcapacity a ndefficiency i naccordance withA.R.I. must be wired and provided with circuit protection in Standards. Thisunitwillprovide many yearsof safeand accordance with local building codes. -
Page 7: Air Filter Requirements
Ductlining must b eULclassified b atts orblankets w ith HEAT PUMP INSTALLATION a firehazard classification ofFHC-25/50 o r less. Packaging Removal Fiberductworkmaybeusedinplaceofinternal duct Remove the shipping carton and User's Manual from the linersif thefiberductworkis in accordance withthe equipment.Take care not to damage the tubing connections current r evision o ftheSMACNA c onstruction standard when removing the carton. -
Page 8: Ground Level
Ground Level ELECTRICAL WIRING Ground level installations must be located according to local building codes or ordinances and these requirements: WARNING: Clearances must be in accordance with those shown in Figure 2 (page 6). Shut off all electrical power to the unit before A suitable mounting pad (Figure 4) must be provided performing any maintenance... -
Page 9: Grounding
forconnecting t hesupply wires totheunit. U seofrain Table 4 (page 10) lists the basic airflow values versus the tightconduit i s recommended. airflow selector switch settings and the range of basic Seetheunit w iring label f orproper h igh andIowvoltage air flow settings recommended for each nominal system wiring. - Page 10 COPPER WIRESIZE -- Basic Air=Flow Setting (1% Voltage Drop) SWITCH Nominal Supply Wire Length=Feet Supply Circuit Ampacity 1/2 HP Motor 1035 1050 1150 1155 Wire Size based on N.E.C. for 60 ° type copper conductors. 1265 SWITCH Nominal Table 1. Copper Wire Size ----F Switch Number 1080...
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Page 11: Demand Defrost Control
humidistat. If using this profile, the blower will run at Minimum Time Terminate 30 second 75% airflow for the first 10 minutes of each cooling Jumper Between Defrosts Temperature Compressor Position cycle.The basic cooling/heat-pump speed should be /mini /° F / Delay Function selected at or near the top of the range for that nominal capacity. -
Page 12: Dc Sol Connection
until the condition returns to normal or if 24 VAC power is removed from the module. See Table 8 (pages 22 - 23) for flash code identification or Table 9 (page 24) for module wiring troubleshooting. LED Description (Green) POWER LED (Green): indicates voltage is present at aoetics the power connection of the module. -
Page 13: Optional Humidistat
Optional Humidistat Ambient Sensor Mounting The optional humidistat may be installed in the return air For optimum performance of the heat pump system, the ambient sensor must be mounted on the outside of the duct to provide excellent humidity control when needed and maximum system capacity and energy efficiency unit. -
Page 14: Thermostat Connections
Thermostat Connections START UP & ADJUSTMENTS The Q4SE heat pump requires a 2-stage heat pump Pre-Start Check List thermostat that must operate in conjunction with installed Verify the unit is level and allows condensate to drain. accessories. A 3-stage heat pump thermostat is required Verify the outdoor coil and top of the unit are free from if electric heat is added. -
Page 15: System Heating
System Heating If the pressure measured in step 1 is less than the If the unit has been equipped with optional electric heater required liquid refrigerant pressure determined kits, set the thermostat's system mode to EM HEAT and step 4, then there is too little charge in the system. the fan mode to AUTO. -
Page 16: Figures & Tables
FIGURES & TABLES 24 9/10 _ 3/4" NPT Female Drain Connector DOWNFLOW SUPPLY DUCT OPENING 47 1/2 \\\\, 3 1/2_ 16 I 113 1/2 13 3/10 DOWNFLOW RETURN DUCT OPENING Top View 14/5 ° 1 3/4 0 Power Entry (Capped) HORIZONTAL (_ .. -
Page 17: Electrical Information
ELECTRICAL iNFORMATiON Optional Outdoor Thermostat Terminal Strip ®- =ram ..,_==m -EZr Accessory - ..F-] :° W1 m Heat Plug F-]o -[:Z< °S _ Brown -EZ]o Orange indoor DDDDD T=Stat Sub=Base Demand Defrost Board Typical Wiring (Field Supplied) for 2=Stage Cool, 1 Stage Electric Heat _J'l Indoor... - Page 18 208/230 Volt Convertible Packaged Heat Pump Single Phase 60Hz. NOTES: 1. Disconnect all power before servicing. 4. If any of the original wire as supplied with the furnace must 1. Couper le courant avant de faire letretien. 2. For supply connections use copper conductors only.
- Page 19 Convertible Packaged Heat Pump 208/230 Volt Single Phase 60Hz NOTES: 1. Disconnect all power before servicing. 4. If any of the original wire as supplied with the furnace must Couper ie couant avant faire letretien. 2. For supply connections use copper connectors only.
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Page 20: Cooling Charging Charts
COOLING CHARGING CHARTS = 14 SEER H.P. Q4SE-X24 Charging Chart - Cooling "1 Remove refrigerant when above curve F " Add refrigerant when below curveJ ........Liquid Temperature (o F) Figure 13. Charging Chart for 2 Ton Units Q4SE-X36 Charging Chart - Cooling --[ Remove refrigerant when above curve ,/...// "D... - Page 21 COOLING CHARGING CHARTS =14 SEER H.P. (CONTINUED) Q4SE-X48 Charging Chart - Cooling Remove refrigerant when above curve ]-- <./" {Add refrigerant when below cuwe} Liquid Temperature (° F) Figure 15. Charging Chart for 4Ton Units Q4SE-X60 Charging Chart - Cooling Rem°ve refrigerant when ab°ve curve F "_48o...
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Page 22: Troubleshooting
TROUBLESHOOTING Status Status LED Description Status LED Troubleshooting Information Green Module has power Supply voltage is present at module terminals "POWER" Compressor protector is open Check for high head pressure Check compressor supply voltage Thermostat demand signal Y Outdoor unit power disconnect is open Red "TRIP"... - Page 23 Status LED Status LED Description Status LED Troubleshooting Information Yellow = Thermostat demand signal is intermittent "ALERT" Short Cycling / Compressor is = Low line voltage (contact utility if voltage at disconnect is low) Flash Code running only briefly = Excessive liquid refrigerant in compressor = Compressor bearings are seized = Run capacitor has failed Yellow...
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Page 24: Table 9. Module Wiring Troubleshooting
Review Thermostat Demand Wiring (page 10) for Y & C wiring. Table 9. Module Wiring Troubleshooting EFFICIENCY RATING NORDYNE COMPL_E COMR_R_,GENUINEVALUE, Specifications & illustrations subject to change without notice or incurring obligations. O' Fallon, MO I Printed in U.S.A. (09/10)
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