INSTALLATION INSTRUCTIONS
INSTALL THE RECEIVER
2500, 2800, 3500 and 3800 SERIES ZONELINE MODELS
ELECTRICAL SHOCK HAZARD—Turn off power at
the main service panel by removing the fuse or
switching the appropriate circuit breaker to the
OFF position before installing the thermostat
receiver.
1. Remove the room
cabinet by pulling it
out at the bottom to
release it (1), then lift it up
to clear the rail along the
unit top (2).
2. Move the
#4 (CLASS 2)
dip switch
up to enable
the unit to
operate with
a Class 2
Thermostat.
CLASS 2
(Remote
Thermostat)
4