12
13
EN
G
LIS
H
Backup boiler
Backup Boiler
Connecting backup boiler
1. Connect ‘Operation signal wire for backup boiler’ with ‘pin #1, 4’ in TB-B.
f
f
If control kit orders turning backup boiler on, pin#1 & pin#3 will output AC230V.
Maximum Power
This port can NOT supply enough power for driving backup boiler machine.
Just use it for detecting On/Off signal.
Maximum power is 0.5A.
NOTE
Specification table
Part
Specification
Connection pin
#1, #4 of TB-B
Connection load
Signal for turning Backup Boiler on.
Driving for Relay or Magnetic Contactor
Output
AC 230V (MAX 0.5A)
Wiring works
Backup heater
Magnetic Contactor Wire
Connecting magnetic contactor for backup heater (Not Directly Connect Heater)
1. Connect ‘Magnetic contactor wire’ with ‘pin #1, 2, 3’ in TB-B.
f
f
If control kit turns on the 1st step of backup heater pin#1 & pin#2 will output AC230V.
f
f
If control kit turns on the 2nd step of backup heater pin#1 & pin#3 will output AC230V.
Specification table
Part
Specification
Connection pin
Step1 : #1, #2 of TB-B
Step2 : #1, #3 of TB-B
Connection load
Driving for Relay or Magnetic Contactor
Output
AC 230V (MAX 0.5A)
