RG CTH3-150 - Manual (Page 57)

SECTION 10: W IRING
51 of 71
FIGURE 31: Modulating Thermostat Wiring Diagram with BACnet ® (optional)
Description Part Number
Thermostat, modulating BACnet ® 90425109
NOTES:
1. A jumper is pre-installed between phase
R(24VAC) and SC1-3 (24VAC Relay).
2. Ground ONLY ONE END of the shielded cable.
* Separate on/off switch is optional for "satellite"
heaters (install at user level). On/Off switch is used
to disable heater operation or reset a heater that is
in "lockout" mode. If on/off switch is not desired,
leave jumper wire between R and W terminals in
place.