Raypak 131 Service Instructions Manual page 36

Fault Finding Tests 7 – 9
Using a multimeter on the AC voltage
scale, measure between terminal marked
„A‟ and terminal marked „N‟ on the line
terminal block.
The following result should be obtained:
240 Volts AC.
Using a multimeter on the AC voltage
scale, measure between terminal marked
„24VAC‟ and terminal marked „GND‟ on the
control board.
The following result should be obtained:
24 Volts AC.
TM018 Raypak 131 Type A Pool & Spa Heaters REV: A
D.O.I: 8/04/2009
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Test 7
Test 8B
Using a multimeter on the AC voltage
scale, measure between terminal marked
„24VAC‟ and terminal marked „GND‟ on the
control board.
The following result should be obtained:
24 Volts AC.
Remove glass fuse from fuse holder. Using
a multimeter on the ohms scale, measure
between the ends of the glass fuse.
The following result should be obtained:
0 ohms (fuse ok).
36
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Test 8A
Test 9