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P H 4 G -- -- B
Installation Instructions
14 SEER SINGLE---PACKAGED HEAT PUMP SYSTEM
WITH R---410A REFRIGERANT
S I N G L E P H A S E 2 --- 5 N O M I N A L T O N S ( S I Z E S 2 4 --- 6 0 )
T H R E E P H A S E 3 --- 5 N O M I N A L T O N S ( S I Z E S 3 6 --- 6 0 )
IMPORTANT: Effective January 1, 2015, all split system and
packaged air conditioners must be installed pursuant to applicable
regional efficiency standards issued by the Department of Energy.
NOTE: Read the entire instruction manual before starting the
installation.
NOTE: Installer: Make sure the Owner’s Manual and Service
Instructions are left with the unit after installation.
TABLE OF CONTENTS
PAGE
SAFETY CONSIDERATIONS 1.........................
INTRODUCTION 2...................................
RECEIVING AND INSTALLATION 2--9..................
Check Equipment 2..................................
Identify Unit 2....................................
Inspect Shipment 2.................................
Provide Unit Support 2...............................
Roof Curb 2......................................
Slab Mount 2.....................................
Provide Clearances 2.................................
Rig and Place Unit 6.................................
Inspection 6......................................
Rigging/Lifting of Unit 6............................
Select and Install Ductwork 7...........................
Configuring Units to Downflow (Vertical) Discharge 7.....
Provide for Condensate Disposal 8......................
Install Electrical Connections 8.........................
High--Voltage Connections 8.........................
Special Procedures for 208--V Operation 9...............
Control Voltage Connections 9........................
Standard Connections 9.............................
Transformer Protection 9............................
Accessory Electric Heaters Installation 9................
Sequence of Operation 9............................
PRE--START--UP 17...................................
START--UP 17--21.....................................
Checking Cooling & Heating Control Operation 17........
Check for Refrigerant Leaks 17.........................
Start--Up Adjustments 18.............................
Checking & Adjusting Refrigerant Charge 18............
Indoor Airflow & Airflow Adjustments 18..............
Continuous Fan Operation 19........................
Defrost Control 21...................................
Defrost 21.......................................
MAINTENANCE 29--34................................
Air Filter 29........................................
Indoor Blower and Motor 29...........................
Outdoor Coil, Indoor Coil, & Condensate Drain Pan 32......
Outdoor Fan 32.....................................
Electrical Controls and Wiring 32.......................
Refrigerant Circuit 32.................................
Indoor Airflow 32...................................
Metering Devices-- TXV & Piston 32....................
Pressure Switches 32.................................
Loss of Charge Switch 33.............................
A09183
Fig. 1 -- Unit PH4G
High Pressure Switch 33..............................
Copeland Scroll compressor (R--410A Refrigerant) 33.......
Refrigerant System 33................................
Refrigerant 33....................................
Compressor Oil 34.................................
Servicing Systems on Roofs with Synthetic Materials 34....
Liquid Line Filter Drier 34...........................
R--410A Refrigerant Charging 34......................
System Information 34................................
Loss of Charge Switch 34............................
Check Defrost Thermostat 34.........................
TROUBLESHOOTING 34..............................
START--UP CHECKLIST 34............................
SAFETY CONSIDERATIONS
Installation and servicing of this equipment can be hazardous due
to mechanical and electrical components. Only trained and
qualified personnel should install, repair, or service this equipment.
Untrained personnel can perform basic maintenance functions such
as cleaning and replacing air filters. All other operations must be
performed by trained service personnel. When working on this
equipment, observe precautions in the literature, on tags, and on
labels attached to or shipped with the unit and other safety
precautions that may apply.
Follow all safety codes. Wear safety glasses, protective clothing,
and work gloves. Use quenching cloth for brazing operations.
Have a fire extinguisher available. Read these instructions
thoroughly and follow all warnings or cautions included in
literature and attached to the unit. Consult local building codes, the
current editions of the National Electrical Code (NEC) NFPA 70.
In Canada refer to the current editions of the Canadian Electrical
Code CSA C22.1.
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