Carrier 48/50PG20-28 - Manual (Page 5)

5
SAMPLING TUBE
SUPPORT BRACKET
C07176
Fig. 5 --- Sampling Tube Support Bracket
CUT OFF CONNECTOR, LABELED TB3-5, ON ORN WIRE
PL19
C07177
Fig. 6 --- Return and Supply Air Smoke Detector Wiring on ComfortLink Units
Supply Air Smoke Detector Installation
(CRSMKSUP001D00)
The supply air smoke detector is to be installed in the predrilled
holes located on the front of the first indoor blower. (See Fig. 9.)
ELECTRICAL SHOCK HAZARD
Failure to follow this warning could result in personal
injury and/or death.
Prior to installation of this accessory, make sure all
power is disconnected to the unit and locked out and
tagged.
! WARNING
1. Open the indoor fan access door and secure.
2. Open and secure hinged electrical/compressor access door.
3. Disconnect wires located on the right-hand side of the fan
deck. On gas heat units, the indoor fan plug and the limit
switch quick connects must be disconnected. On units
without gas heat, only the indoor fan plug must be
disconnected.
4. Find the 2 plugs located in the blower side plate. Remove
the plugs and discard. It will be necessary to remove some
of the tape holding the plugs in place.
5. Remove cover from smoke detector. The screws will
remain captured in the cover.
CR
S
M
K