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Wiring works
Backup heater
Relay or Magnetic Contactor Wire
Connecting a relay or a magnetic contactor for a backup heater (Not Directly connect a backup heater)
1 . Connect a 'relay or a magnetic contactor' with 'B1, B2 and B3' in TB-B .
f When a backup heater mode is "ON" at 1st step, a control signal of AC 230V goes through B1 and B2 .
f
f When a backup heater mode is "ON" at 2nd step, a control signal of AC 230V goes through B1 and B3 .
f
1st step
N
L1
This port can NOT supply enough power for driving a backup heater .
It's just for providing a ON/OFF control signal .
NOTE
Maximum current is 0 . 5 A .
Specification table
Terminal Block (output)
Connection load
Output (B1,B2 or [B1,B2]+[B1,B3])
16
EHS Control unit_MIM-E03@_IM_E_34413-2.indd 16
2st step
N
L1 L2
Part
Specification
Step1 : B1, B2 of TB-B
Step2 : B1, B3 of TB-B
Relay or Magnetic contactor for a control signal
AC 230V (MAX 0 . 5 A)
2012-04-05 오후 1:20:01
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