TX Series Installation, Operation, and Maintenance Manual
Diversified Heat Transfer, Inc.
439 Main Road, Route 202
Towaco, New Jersey 07082
Page
20
of
33
Phone: 800-221-1522
Website: www.dhtnet.com
Operation:
When any thermostat calls for heat, the appropriate circulator is energized, and the isolated
end switch (X and X) will start the boiler.
Priority Operation:
When zone 6 is switched to the priority setting and is actuated, all other zones will
stop operation until zone 6 is satisfied. When zone 6 is not switched to priority, all zones will operate
independently.
Jumper Placement:
The jumper should be placed between terminals ZC and ZR. Connect the isolated
end switch to the aquastat control on the boiler.
Power Input:
Connect 120 volt as power input to terminals N and H. Neutral wire to terminal N. Hot
wire to terminal H.
