Install Instructions

3
DISPLAY
During normal operation the control will display the temperature set
point. If the control is calling for heat, the decimal point in the bottom
right of the display will light. When the tank temperature is satisfied,
the decimal will turn off.
Calling for Heat
WIRING THE CONTROL
1 Connect the 24 VAC power source to the
“24 VAC Input” terminals (24 VAC transformer
field supplied).
Connect 24 VAC hot to terminal AC2 and 24 VAC
common to AC1. Be sure the AC1 terminal is also
electrically connected to the tank/system ground.
2 Connect the “Output Contacts” to the zone or
boiler control’s domestic water input.
NOTE: The “Output Contacts” are isolated dry
contacts that close when the control calls for
heat.
REFER TO “WIRING THE CONTROL” BELOW OR YOUR TANK MANUAL FOR WIRING INSTRUCTIONS.