Berko HUHAA520 Installation & Maintenance Instructions Manual page 5

LEAD WIRE
HEATER FRONT
CONTACTOR
POWER TERMINAL BLOCK
(OR P2)
FACTORY-WIRED FOR SINGLE-PHASE POWER
Figure 3a.
(HUHAA520, HUHAA524, HUHAA720, HUHAA724, HUHAA1020 and HUH HUHAA1024)
FACTORY-WIRED FOR SINGLE-PHASE POWER
Figure 3b.
3 PHASE BLOCK
"A1"
B
A
ELEMENTS
LEAD WIRE
"B1"
Wiring Connections for Single-Phase and Three Phase Power
3 PHASE BLOCK
3 PHASE BLOCK
Wiring Connections for Single-Phase and Three Phase Power (HUHAA1520)
HEATER FRONT
LEAD WIRE
CONTACTOR
POWER TERMINAL BLOCK
(OR P2)
FIELD-WIRED FOR THREE-PHASE POWER
FIELD-WIRED FOR THREE-PHASE POWER
5
3 PHASE BLOCK
"A1"
LEAD WIRE
"B1"
B
A
ELEMENTS
3 PHASE BLOCK
3 PHASE BLOCK