Roberts Gorden Vantage HEM-80 Installation, Operation & Service Manual page 60

HEM-S I , O
ERIES NSTALLATION PERATION AND
FIGURE 33: Modulating Thermostat Wiring Diagram (LonWorks
optional)
NOTE: 1. For non-communicating thermostats without LonWorks
will be marked "_____" and no LonWorks
* 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.
Description
Thermostat, modulating
Thermostat, modulating LonWorks
56 of 80
S M
ERVICE ANUAL
® bus communication wires are used.
Part Number
90425105
® 90425104
® [2-10Vdc with 500 Ohm resistor]
®
bus, thermostat terminals marked "EB"