Payne PH5G A Series Installation Instructions Manual

SINGLE-PACKAGED HEAT PUMP SYSTEM
WITH R-410A REFRIGERANT
SINGLE PHASE
2, 3, 4and 5 NOMINAL TONS
Installation Instructions
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 ... 0.0.0.0 0000 00 ee eee 1-2
INTRODUCTION .......... 000.0. 0c eee 2
RECEIVING AND INSTALLATION .................. 2-9
Check Equipment .. 0.0.0... 00. e eee eee 2
Identify Unit 22... ene 2
Inspect Shipment .... 0.0.0.0... eee eee 2
Provide Unit Support .. 0.0.0.0... ee ee eee 2
Roof Curb 2... eens 2
Slab Mount 2... 0. eee 2
Provide Clearances 0.0... ene 6
Rig and Place Unit»... 0... eee 6
Inspection 2.0... ee eee 6
Rigging/Lifting of Unit .. 2.0... ee eee 6
Select and Install Ductwork... ee 6
Converting Horizontal Discharge Units to Downtlow
(Vertical) Discharge Units 2... 0... ee 7
Provide for Condensate Disposal .. 2.0.0.0... 0.00000 00 0 8
Install Electrical Connections ©... 0... ne 8
High-Voltage Connections ... 0.0... 0.00.00 eee 9
Special Procedures for 208-V Operation ............... 9
Control Voltage Connections .. 0.0.0.0... 0.00 eee 9
Standard Connections 2... 6.6. eee 9
Transformer Protection 2.0.0.0... 0 eee 9
Accessory Electric Heaters Installation ................ 9
PRE-START-UP .. 00.0... ee 13
START-UP... 0. eee 13-17
Checking Cooling & Heating Control Operation. ....... 13
Check for Refrigerant Leaks ... 0.0.0.0... 0.00000 eee eee 13
Start-Up Adjustments ....... 0.0.0.0... eee eee eee 13
Checking & Adjusting Refrigerant Charge ............ 13
Indoor Airflow & Airflow Adjustments .............. 14
Continuous Fan Operation ........ 000.0000 eee 14
Defrost Control 2.0. eee 16
Quiet Shift... 0... eee 16
Defrost 2... ee eee 16
MAINTENANCE . 200 een 16-25
Air Filter 2.0 een ee 17
Indoor Blower and Motor .... 6.0. ene 17
Outdoor Coil, Indoor Coil, & Condensate Drain Pan ...... 17
Outdoor Fan... eee eee 17
Electrical Controls and Wiring .... 0.0.0.0... 00 00ers 21
Refrigerant Circuit... 0... eee 21
Indoor Airflow 2.0. eens 22
Metering Devices- TXV & Piston ..............000005 22
Pressure Switches 2.0... eee ene 22
Loss of Charge Switch 2.00.0... eee 22
C=
SSW
A11624
Fig. 1 - Unit PHSG--A
High Pressure Switch 2.0.0.0... eee eee 22
Copeland Scroll compressor (R-410A Refrigerant) ....... 22
Refrigerant System 2.0.0.0... 0. eee eee ee 22
Refrigerant 2.0.0... eee eens 22
Compressor Oil 2... eee 22
Servicing Systems on Roofs with Synthetic Materials .... 22
Liquid Line Filter Drier ....... 0.0.00... 0.00000 eee 23
R-410A Refrigerant Charging .... 0.0.0... 0.00000 ee ee 23
System Information... 0.0.0... 0.0.0 0c eee eee 23
Loss of Charge Switch... 0... 0. ee eee 23
Check Defrost Thermostat... 0.0.00 ee 23
TROUBLESHOOTING ......... 2.00.0... 0000 e eee 23
START-UP CHECKLIST ...................0...000005 23
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 ail 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.