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CTH3-SERIES INSTALLATION, OPERATION AND SERVICE MANUAL
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FIGURE 30: Modulating Thermostat Wiring Diagram (LonWorks
®
[2-10Vdc with 500 Ohm resistor]
optional)
* 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.
NOTE: 1. For non-communicating thermostats without LonWorks
®
bus, thermostat terminals marked "EB"
will be marked "_____" and no LonWorks
®
bus communication wires are used.
Description Part Number
Thermostat, modulating 90425105
Thermostat, modulating LonWorks
®
90425104