Please follow the wiring instructions and diagram below for the ASCO 108D90C AC Gas Valve Relay panel and ASCO 173A19 Emergency Pushbutton. 
You may also watch video below that is related to this.
For further information, you may click on this 108D90C link or contact Technical Support at 1-800-800-2726 then dial 3 or send an email to technicalsupport@ascopower.com.
- From 108D90C output TB1 connect to normally closed 173A19 NC-A contact.
- Next from normally closed 173A19 NC-B contact series connect to normally closed 108D90C (1) contact on built-in pushbutton.
You may also watch video below that is related to this.
For further information, you may click on this 108D90C link or contact Technical Support at 1-800-800-2726 then dial 3 or send an email to technicalsupport@ascopower.com.
Released for: Schneider Electric Philippines
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