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Understand the signal words DANGER, WARNING, and
CAU TION. These words are used with the safety--alert sym bol.
DANGER identifies the most serious hazards which will result in
severe personal injury or death. WARNING signifies a hazard
which coul d result in personal injury or death. CAUTION is used
to identify unsafe practices which may result in minor personal
injury or product and property damage. NOTE is used to
highlight suggestions which will result in enhanced installation,
reliability, or operation.
ELECTRICAL SHOCK HAZARD
Failure to follow this warning could cause personal
injury, death and/or equipment damage.
Disconnect all power to the unit before performing
maintenance or service. Install Lock Out tags on
disconnects or breakers.
!
WARNING
FIRE HAZARD
Failure to follow this warning could cause personal
injury and/or death.
The N ational Fire Pro tection Association has
established that DUCT DETECTORS MUST NOT BE
USED AS A SUBSTITUTE FOR OPEN AREA
DETECTOR PROTECTION as a means of providing
life s afety. No r are they a substitute for early warning in
a building’s regular fire detection system. Carrier
supports this position and strongly recommends that the
user read NFPA Standards 90A, 72, and 101. This
smoke detector is listed per UL 268A.
!
WARNING
ELECTRICAL SHOCK AND FIRE HAZARD
Failure to follow this warning could cause personal
injury.
This device will not operate without electrical power.
Fire situatio ns may cause an interruption of power. The
system safeguards should be discussed with your local
fire protection specialist.
!
WARNING
FIRE HAZARD
Failure to follow this warning could cause personal
injury and/or equipment damage.
This device will not sense smoke unless the ventilation
system is operating and the cove r isin stalled.
!
WARNING
ELECTRICAL SHOCK HAZARD
Failure to follow this warning could cause personal
injury and/or equipment damage.
For this detector to function properly, it MUST be
installed accord ing to the instructio ns in this manual.
The detector MUST be operated within ALL electrical
and environmental specifications listed in this manual.
Failure to comply with these requirements may prevent
the detector from activating whe n smoke is present in
the air duct.
!
WARNING
INSTALLATION
EQUIPMENT DAMAGE HAZARD
Failure to follow this caution may result in equipment
damage.
When installing the smoke detector in the unit, follow all
local codes.
CAUTION
!
Check Package Con tents
Remove accessory packaging and inspect shipment for dam age.
If any damage is found, file a claim with the shipping agent
immediately. If any item is missing or any part does not assemble
properly, notify the Carrier distributor.
Table 1 lists the accessory package cont ents. Fig. 2 shows the
smoke detector.
Return Air Smo ke Detector Installati on
(CRSMKDET001D00)
The return air smoke detector is to be installed in the predrilled
holes located above compressor B1/A2 in the
electrical/compressor section. (See Fig. 3.)
Table 1—Accessory Package Contents — Return Air Smoke Detector (CRSMKDET001D00),
Supply Air Smoke Detector (CRSMKSUP001B00), Sensor (CRSMKSEN001A00)
UNIT
RETURNSMOKE DETECTOR
CRSM KDET001D00
SUPPLY SMOKEDETECTOR
CRSM KSUP001B00
ADDITIONAL SENSOR
CRSM KSEN001A00
Description Part Number Quantity Description Part Number Quantity Description Part Number Quantity
48/50HG014-028,
48/50PG20- 28
Sensor/Controller/
Har ness/Tube
HK61ZT001 1
Controller/
RJ-45Ha rness
HK28ZT001 1 Sensor Module HK50ZT001 1
Screw AL56AU168 2 Screw AL56AU168 5 Screw AL56AU168 1
Screw AL48AM397 2 Sensor Module HK50ZT001 1 Screw AL48AM397 2
Bracket 50TG501113 1 Tube RN20ZT008 1 Bracket 50TG501113 1
LargeBushing HY93NH085 1 Cable Assy RM91ZT015 1 LargeBushing HY93NH085 1
Sampling Tube RN20ZT060 1 Plug — 1 Sampling Tube RN20ZT060 1
Plug — 1 RubberGasket — 2 Plug — 1
RubberGasket — 2 Sampling Tube Collar — 1 RubberGasket — 2
SamplingTube Collar — 1 Snap-in Wire Tie HY76TB110 2 SamplingTube Collar — 1
Wire Tie HY76TB125 1 Wire Tie HY76TB125 2 Tube RN20ZT008 1
Bushing HY93NH069 1 Bushing HY93NH069 1 Ca ble Assy RM91ZT015 1
Har ness Assy 50TG403507 1 Har ness Assy 50TG403507 1 Snap-in Wire Tie HY76TB110 5
Exhaust Tube — 1 Exhaust Tube — 1 Wire Tie HY76TB125 1
Cable Assy RM91ZT001 1
Exhaust Tube — 1
CRSMK