7
Service
Using an ohmmeter to check for element failure
LEFT MODULE Top View
LEFT MODULE Top View
Rear of Heater
Rear of Heater
Front of Heater
Front of Heater
Fig. 9
Heating elements
Meter probes
Ohm Readings
Outer to Outer
10.5 ± 0.8 Ohms
Middle to Middle
14.3 ± 0.9 Ohms
Inner to Inner
16.0 ± 1.2 Ohms
Table 8
The WH36 models are rated for 240V and will also operate at
220V or 208V with reduced output. The output will vary in
accordance with the ratios, mentioned in table 10.
Ratios
Volts
Output Ratio
Table 9
Tronic 5000C
Center Module Top View
Center Module Top View
Meter probes
Outer to Outer
Middle to Middle
Inner to Inner
208V
0.75
Rear of Heater
Rear of Heater
Front of Heater
Front of Heater
Ohm Readings
11.4 ± 0.9 Ohms
12.1 ± 0.9 Ohms
17.8 ± 1.3 Ohms
220V
0.84
RIGHT MODULE Top View
RIGHT MODULE Top View
Rear of Heater
Rear of Heater
Front of Heater
Front of Heater
Meter probes
Ohm Readings
Outer to Outer
9.9 ± 0.8 Ohms
Middle to Middle
13.1 ± 0.9 Ohms
Inner to Inner
20.0 ± 1.4 Ohms
240V
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