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 "CNP003,CNP001,CNP002".
f
When a backup heater mode is "ON" at 1st step, a control signal of AC 230V goes through CNP003 and CNP001.
f
When a backup heater mode is "ON" at 2nd step, a control signal of AC 230V goes through CNP003 and CNP002..
1st step
2nd step
N
L1
N
L2
This port can NOT supply enough power for driving a backup heater.
It’s just for providing a ON/OFF control signal.
Maximum current is 0.5A.
NOTE
20
