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Backup boiler
Relay or Magnetic Contactor Wire
Connecting a relay or a magnetic contactor for a backup boiler (Not Directly connect a backup boiler)
1 . Connect a 'relay or a magnetic contactor' with 'B1, B4' in TB-B .
f When a backup heater mode is "ON", a control signal of AC 230V goes through B1 and B4 .
f
N
L3
This port can NOT supply enough power for driving a backup boiler .
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, B4)
EHS Control unit_MIM-E03@_IM_E_34413-2.indd 17
Part
Specification
B1, B4 of TB-B
Relay or Magnetic contactor for a control signal
AC 230V (MAX 0 . 5 A)
17
2012-04-05 오후 1:20:02
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