SECTION 7 − OPERATING AUXILIARY EQUIPMENT

7-1. 110 Volt Receptacles

5

3

67

8

4

2

1

222 975

1110 V 32 A AC Receptacle RC11

2110 V 16A AC Receptacle RC12

3110 V 16 A AC Receptacle RC13

Receptacles supply 50 Hz single-phase power with Engine Speed switch in 50 Hz/20-300A (1500 rpm) position (see Sec- tion 6-1).

Maximum output from RC11 is 3.5 kVA/kW. Maximum output from RC12 or RC13 is 1.8 kVA/kW.

Maximum combined output of all recep- tacles is 7 kVA/kW.

4Supplementary Protector CB5

5Supplementary Protector CB6

Supplementary protector CB5 protects re- ceptacle RC12 from overload. CB6 pro- tects RC13 from overload. If a supplemen- tary protector opens, the receptacle does not work. Place supplementary protector switch in the On position to reset breaker.

6Earth Leakage Circuit Breaker ELCB 1

7Earth Leakage Circuit Breaker ELCB2

8Circuit Breaker Test Button

ELCB1 protects RC12 and RC13 from Earth leakage fault. ELCB2 protects RC11 from overload and Earth leakage fault. If ei-

ther circuit breaker opens the correspond- ing receptacle does not work. Place circuit breaker switch in the On position to reset breaker.

.At least once a month, run engine at weld/power speed and press test but- tons to verify ELCB1 and ELCB2 are working properly.

.If a circuit protector continues to open,

contact Factory Authorized Service Agent.

.Generator power decreases as weld output increases.

OM-223 037 Page 32

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Miller Electric Big Blue 400 PX manual Operating Auxiliary Equipment, Volt Receptacles