46
GAS-FIRED BOILER Boiler Manual
PART 8: FIELD WIRING (CONTINUED)
MOD CON Cascade Master
MOD CON CASCADE MASTER PUMP AND
SENSOR WIRING
1. Place the Cascade Master Overlay Sticker
(included) onto the field connection board on
the boiler designated as the Cascade Master
Only.
2. Connect the system pump hot wire to the
terminal marked SYS PUMP.
3. Connect the system pump neutral to the
BOILER NEUT terminal and the pump ground
wire to the BOILER GND terminal.
4. Connect a jumper wire from the 120 VOLT
terminal to the SYS PUMP PWR terminal.
5. Connect the boiler pump to the terminals
marked BOILER HOT, BOILER NEUT, and
BOILER GND
6. Connect the system pipe sensor to the
terminals marked SYS SENSOR.
7. Connect the outdoor sensor (if used) to the
terminals marked OUTDR. SEN
8. Connect the signal to start the system to the
terminals marked THERMOSTAT.
NOTE: This signal can come from a room
thermostat or a dry contact closure. No power of
any voltage should be fed into either of these
terminals.
Fig. 8-3 LP-205-JJ1 Rev. 5/12/08
NOTE:
You must place the
Cascade Master
label (included in
shipping envelope)
on top of the
Standard Mod Con
Control
To Next Page
Loading...