TOTALINE P374- 0431 Owner's Manual page 9

Connection
To connect the IR Receiver to
the thermostat; insert the IR
receiver plug into the accessory
Jack of the thermostat. The
receiver will 'lock' into the
ventilation slots of the thermostat.
To remove the IR receiver from
the thermostat; press and hold
the accessory release button
while removing the IR receiver
from the thermostat's accessory
jack.
Accessory release button
Accessory jack located
on thermostat bottom
Page 9