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Installation Instructions
25HPA
Performance
t
Series Heat Pump
with Puron
r
Refrigerant
Sizes 18 to 60
1--1/2 to 5 Nominal Tons
A05341
Fig. 1
---
25HPA
TABLE OF CONTENTS
PAGE
SAFETY CONSIDERATIONS
2
. . . . . . . . . . . . . . . . . . . . . . .
INSTALLATION RECOMMENDATIONS
2
. . . . . . . . . . . . .
INSTALLATION
3 -- 10, 17
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Step 1 -- Check Equipment & Jobsite
3
. . . . . . . . . . . . . . .
Step 2 -- Install on Solid Pad
3
. . . . . . . . . . . . . . . . . . . . . .
Step 3 -- Clearance Requirements
3
. . . . . . . . . . . . . . . . . .
Step 4 -- Operating Ambient
3
. . . . . . . . . . . . . . . . . . . . . .
Step 5 -- Elevate Unit
3
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Step 6 -- Install TXV
3 -- 4
. . . . . . . . . . . . . . . . . . . . . . . . .
Step 7 -- Make Piping Connections
5 -- 7
. . . . . . . . . . . . . .
Step 8 -- Make Electrical Connections
7 -- 8
. . . . . . . . . . . .
Step 9 -- Compressor Crankcase Heater
8
. . . . . . . . . . . . .
Step 10 -- Install Electrical Accessories
8
. . . . . . . . . . . . . .
Step 11 -- Check Defrost Thermistor and OAT Thermistor
Attachments
8
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Step 12 -- Start--Up
9
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Step 13 -- Check Charge
10, 17
. . . . . . . . . . . . . . . . . . . . . .
GENERAL SEQUENCE OF OPERATION
11
. . . . . . . . . . .
HP SYSTEM FUNCTIONS AND SEQUENCE OF
OPERATION
11 -- 14
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TROUBLESHOOTING
15 -- 16
. . . . . . . . . . . . . . . . . . . . . . . .
FINAL CHECKS
18
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CARE AND MAINTENANCE
18
. . . . . . . . . . . . . . . . . . . . . .
PURON
R
REFRIGERANT QUICK REF. GUIDE
18
. . . . .