Craftsman CMXTEPA0018 Instruction Manual page 12

Testing the connections from your Breaker Panel to your unit
1. Measure the voltage by using AC multimeter.
2. Verify All circuit breakers are in the ON position. DO NOT turn on water while conducting this test or turn on unit.
3. Make sure your Multimeter is set to testing Voltage and in AC position.
4. Place the multimeter probes between each L1-L2 pairing on the terminal block (see drawing) – Each pairing should read approximately 240V.
5. Place the multimeter probes between each L1-L1 pairing and L2-L2 pairing on the terminal block (see drawing) - Each pairing should
read approximately 0V.
18kW
L1
TERMINAL BLOCK IN THE UNIT
24kW/ 29kW
240V
L1 L2
240V
TERMINAL BLOCK IN THE UNIT
36kW
240V
L1 L2 L1
240V
12
TERMINAL BLOCK IN THE UNIT
Measurement 1- Vac
240V 240V
L2 L1 L2
240V 240V
Measurement 1- Vac
240V 240V
L1 L2 L1 L2
240V 240V
Measurement 1- Vac
240V 240V 240V
L2 L1 L2 L1
240V 240V 240V
Measurement 2- Vac
L1
240V
TERMINAL BLOCK IN THE UNIT
Measurement 2- Vac
0V
L1 L2
240V
TERMINAL BLOCK IN THE UNIT
Measurement 2- Vac
0V
0V
L1 L2 L1
L2
240V 240V
TERMINAL BLOCK IN THE UNIT
0V
0V
L2 L1 L2
240V
0V 0V
0V
L1 L2 L1 L2
240V 240V
0V 0V
0V 0V
L2 L1 L2 L1
240V 240V
L2