INSTALLATION INSTRUCTIONS
INSTALL THE RECEIVER
7500 SERIES VERTICAL 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 front case panel by removing the filter, taking out the
four front screws, the upper two screws from the top of the panel
and the shipping screws on each side, if present.
Side
shipping
screw
NOTE TO INSTALLER: Make sure you are properly grounded because
electrostatic discharge (ESD)/static electricity can harm the board.
2. Connect thermostat cable to R, GL, GH, B, Y, W and C unit
terminals by inserting the wire tips into the bottom of the block
and tightening the screws.
(cont.)
12
Side
shipping
screw