TM017 Rheem Air Sourced Heat Pump Service Instructions REV: C
Date of Issue: 5/11/05
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15
Component Tests 1 – 2A
Test 1
Warning – “Live” equipment Personal Protective Equipment should be worn when
conducting this test.
Using a multimeter set on the AC
voltage scale, measure between
active and neutral on the terminal
block.
Normal voltage is 240 volts
Test 2
Ensure power is isolated before conducting this test
550275 & 551275
Disconnect one wire from the
thermostat and using a multimeter
set on the x1 resistance scale,
measure across the thermostat
terminals.
Normal resistance should be less
than 1 ohm
Test 2A
Ensure power is isolated before conducting this test
551275/A
Disconnect the wire from the terminal
3L of the thermostat and using a
multimeter set on the x1 resistance
scale, measure across terminals 3L
and 4L.
Normal resistance should be less
than 1 ohm.