TM017 Rheem Air Sourced Heat Pump Service Instructions REV: C
Date of Issue: 5/11/05
This document is stored and maintained electronically by
Service. All printed copies not bearing this statement in RED are deemed “uncontrolled”.
22
Refrigerant System Fault Finding - Chart 2
2
2.3
YES
Has the
supply of hot
water been recently
depleted?
Depending on the ambient temperature
the water heater may take 2 or 3 hours to
recover
YES
Is the
evaporator
frozen?
Is
the suction
pressure low/vacuum
or excessively
high?
Test 8
Leak in refrigerant system
Locate and repair
Note: Failure of the condenser will require
complete water heater replacement
LOW
YES
2.4
Fit gauges to high
and low side of
system
NO
2.2
550275
551275
HIGH
NO