Table of Contents
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INSTALLATION / START-UP INSTRUCTIONS
4HP13/14 SPLIT SYSTEM HEAT PUMP
HOMEOWNERS INFORMATION MANUAL
TABLE OF CONTENTS
SAFETY PRECAUTIONS ..................................................................... 2
UNIT LOCATION & INSTALLATION ..................................................... 2
ROOFTOP INSTALLATION & RECOMMENDATIONS ........................ 3
CLEARANCE REQUIREMENTS .......................................................... 3
REFRIGERATION LINE SETS ............................................................. 3
INSTALLATION OF LINE SETS ............................................................ 4
LEAK CHECK ....................................................................................... 4
EVACUATING & CHARGING ................................................................ 4
OPENING SERVICE VALVE ................................................................. 4
These units are designed for use in residential and light commercial type buildings. Heat Pumps may
only be installed with indoor combinations listed in the Air-Conditioning, Heating and Refrigeration Institute
(AHRI) Directory of Certified Products.
Inspect the unit for any damage before installation. If damage is found, notify the transportation company
immediately and file a concealed damage claim.
Installation or repairs made by unqualified persons can result in hazards to you and others. Installation
MUST conform with local building codes and with the National Electrical Code NFPA 70/ANSI C1-1993 or
current edition and Canadian Electrical Code Part 1 CSA C22.1.
Improper installation, adjustment, alteration, service or maintenance will void the warranty. The qualified installer or
agency must use factory-authorized kits or accessories when added to this products. Refer to the individual instructions
included with the specific accessory kit.
These instructions are intended as a general guide and do not supersede national, state or local codes in any way.
506318-01
These instructions must be read and understood completely before attempting installation.
These instructions must be left with the property owner.
ELECTRICAL CONNECTIONS ............................................................ 5
CONTROL WIRING .............................................................................. 5
START-UP PROCEDURE .................................................................... 6
ADJUSTING CHARGE ......................................................................... 6
SYSTEM OPERATIONS ...................................................................... 7
DEFROST SYSTEM (Time -Temp) ...................................................... 7
DEFROST SYSTEM (Demand Defrost) .............................................. 8
SINGLE PHASE WIRING DIAGRAM (13 SEER) .............................. 14
SINGLE PHASE WIRING DIAGRAM (14 SEER) ............................... 15
HOMEOWNER'S INFORMATION ..................................................... 16
WARNING
CAUTION
NOTE
Issue 0946
Page 1 of 17
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Table of Contents
Summary of Contents for Armstrong Air Conditioning 4HP13
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Page 1: Table Of Contents
INSTALLATION / START-UP INSTRUCTIONS 4HP13/14 SPLIT SYSTEM HEAT PUMP HOMEOWNERS INFORMATION MANUAL These instructions must be read and understood completely before attempting installation. TABLE OF CONTENTS ELECTRICAL CONNECTIONS ............5 SAFETY PRECAUTIONS ..............2 CONTROL WIRING ................5 UNIT LOCATION & INSTALLATION ............. 2 START-UP PROCEDURE .............. -
Page 2: Safety Precautions
gas to LP gas. UNIT LOCATION & INSTALLATION NOTE TO INSTALLING DEALER These instructions and warranty are to be given to the owner NOTE: In some cases noise in the living area has been or displayed near the indoor air handler unit. traced to gas pulsations from improper installation of equipment. -
Page 3: Rooftop Installation & Recommendations
Elevate Unit DO LOCATE THE UNIT: With proper clearances on sides and top of unit On a solid, level foundation or pad To minimize refrigerant line lengths CAUTION Accumulation of water and ice in base pan may cause DO NOT LOCATE THE UNIT: equipment damage. -
Page 4: Installation Of Line Sets
Installation of Line Sets Evacuating And Charging Instructions DO NOT fasten liquid or suction lines in direct contact NOTE: Intentional release of CFC or HCFC refrigerant with the floor or ceiling joist. Use an insulated or suspension to the atmosphere violates Federal Law. It may also type of hanger. -
Page 5: Electrical Connections
Replace service valve cap and torque to 8-11 ft-lb on 3/ 8" valves; 12-15 ft-lb on 3/4" valves; 15-20 ft-lb on 7/8" WARNING valves. Use backup wrench on valve body when torqueing valve cap. The unit cabinet must have an uninterrupted or unbroken ground to minimize personal injury if an electrical fault should occur. -
Page 6: Start-Up Procedure
Heat Pump Application with Electric Heat for methods of determining air flow and blower performance. Emergency Heat (heating heat pump) All heat pump units are only rated with TXV installed on If selector switch on thermostat is set to the emergency indoor coil. -
Page 7: System Operations
SYSTEM OPERATION The control provides automatic switching from normal heating operation to defrost mode and back. During The outdoor unit and indoor blower cycle on demand compressor cycle, the control accumulates compressor run from the room thermostat. When the thermostat blower times at 30-, 60-, or 90-minute field-adjustable intervals. -
Page 8: Defrost System (Demand Defrost)
Compressor Delay DEMAND DEFROST SYSTEM DESCRIPTION The defrost board has a field-selectable function to The demand defrost controller measures differential reduce occasional sounds that may occur while the unit is temperatures to detect when the system is performing poorly cycling in and out of the defrost mode. The compressor will because of ice build-up on the outdoor coil. - Page 9 DEFROST BOARD PRESSURE SWITCH Sensor Temp. / Resistance Range CONNECTIONS Temperature Pins/Wire Red Led (DS1) Sensor The unit’s automatic reset pressure switches (LO PS - Range °F (°C) Color S87 and HI PS - S4) are factory-wired into the defrost board Outdoor -35 (-37 to 120 3 &...
- Page 10 Ambient Sensor—The ambient sensor considers outdoor Defrost Temperature Termination Shunt (Jumper) temperatures below -35°F (-37°C) or above 120°F (48°C) Pins—The defrost board selections are: 50, 70, 90, and as a fault. If the ambient sensor is detected as being open, 100°F (10, 21, 32 and 38°C).
- Page 11 OPERATIONAL DESCRIPTION NOTE - If ambient or coil fault is detected, the board The defrost control board has three basic operational will not execute the “TEST” mode. modes: normal, calibration, and defrost. Termination—The defrost cycle ends when the coil temperature exceeds the termination temperature or after Normal Mode—The demand defrost board monitors the O 14 minutes of defrost operation.
- Page 12 Page 12 of 17 Issue 0946 506318-01...
- Page 13 Defrost Control Board Diagnostic LEDs 506318-01 Issue 0946 Page 13 of 17...
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Page 14: Single Phase Wiring Diagram (13 Seer)
H/P 13 SINGLE PHASE WIRING DIAGRAM Page 14 of 17 Issue 0946 506318-01... -
Page 15: Single Phase Wiring Diagram (14 Seer)
H/P 14 SEER WIRING DIAGRAM 506318-01 Issue 0946 Page 15 of 17... -
Page 16: Homeowner's Information
Homeowner’s Information information below is typical for most thermostats. Ask your dealer for specific information regarding the model of WARNING thermostat installed. ELECTRICAL SHOCK HAZARD! Turn OFF electric power to unit before performing any Temperature Setting Levers maintenance or removing panels or doors. Most heat pump thermostats have 2 temperature selector levers: one for heating and one for cooling. - Page 17 On models without a fan Selection Switch, the fan will cycle Periodically, debris should be brushed from the with the outdoor unit. condenser coils. Important System Information WARNING ! Your system should never be operated without a clean air filter properly installed. ! Return air and supply air registers should be free from SHARP OBJECT HAZARD! restrictions or obstructions to allow full flow of air.
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