TM005 Rheem Solar Hiline Service Instructions REV D
D.O.I 20/02/2009
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Service. All printed copies not bearing this statement in RED are deemed “uncontrolled”.
19
Component testing
TEST 1a
– EWT Type Thermostat
TEST 1b
– ST Type Thermostat
Using a multimeter on the AC voltage scale, measure between active and neutral on the
terminal block.
The voltage should be approximately 240 volts.
TEST 5a
– EWT Type Thermostat
TEST 5b
– ST Type Thermostat
Using a multimeter on the x1 resistance scale,
measure between terminals 3L and 4L on the
thermostat.
The reading should be 0 ohms.
Using a multimeter on the x1 resistance scale,
measure between terminals 3 and 4 on the
thermostat.
The reading should be 0 ohms.