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IS-HTR
Heater and Thermostat for IS Series Door Stations
-INSTRUCTIONS-
Pg.1
The IS-HTR is a heater plate compatible with all IS series door stations (except IS-SS-2G). This
heater will allow you to use the IS door stations in environments with extreme cold temperatures
(-40°F/C). The IS-HTR will mount to the back of the door station using the existing mounting hardware.
INSTALLATION: Surface mount unit
Metal side facing wall Gasket side facing station
1. Ensure that the conformal side (orange) of IS-HTR is facing the door station. Route all door
station wiring through the wiring provision opening on the IS-HTR.
2. Connect the door station wiring to the unit and connect the IS-HTR wires (ying leads) to a power
source, 24V AC/DC.
3. Mount the IS-HTR and surface mount door station as one, utilizing the door station’s mounting
hardware.
Note: Ensure that there are no gaps between the door station and heater when installed.
4-1/8”
8-7/16”
1. 2. 3.