User manual Carrier CRSMKSUP001A00

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8/50HG014-028  
Single-Package Rooftop Units  
Accessory Return and Supply  
Smoke Detectors  
Installation Instructions  
Part No. CRSMKDET001C00 and CRSMKSUP001A00  
CONTENTS  
Follow all safety codes. Wear safety glasses and work  
gloves. Use care when handling and installing the accessory.  
GENERAL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
SAFETY CONSIDERATIONS. . . . . . . . . . . . . . . . . . . . . . 1  
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5  
Check Package Contents. . . . . . . . . . . . . . . . . . . . . . . . . 2  
Return Air Smoke Detector Installation. . . . . . . . . . . 2  
Supply Air Smoke Detector Installation . . . . . . . . . . 5  
Configuring the ComfortLink™ Controller. . . . . . . . 5  
Before performing service or maintenance operations on  
unit, turn off main power switch to unit. Electrical shock  
could cause personal injury.  
OPERATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5,6  
MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7  
Cleaning Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7  
Filter Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7  
Board Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7  
TROUBLESHOOTING. . . . . . . . . . . . . . . . . . . . . . . . . . . .7,8  
Smoke Entry Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7  
The National Fire Protection Association has established  
that DUCT DETECTORS MUST NOT BE USED AS A  
SUBSTITUTE FOR OPEN AREA DETECTOR PRO-  
TECTION as a means of providing life safety. Nor 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.  
AIRFLOW TEST  
SMOKE RESPONSE TEST  
Standby, Alarm and Sensitivity Tests. . . . . . . . . . . . . 8  
STANDBY AND TROUBLE TEST  
ALARM TESTS  
SENSITIVITY TEST  
GENERAL  
This device will not operate without electrical power.  
Fire situations may cause an interruption of power. The  
system safeguards should be discussed with your local fire  
protection specialist.  
An HVAC (heating, ventilation and air-conditioning) sys-  
tem supplies conditioned air to virtually every area of a  
building. Smoke introduced into this air duct system will be  
distributed throughout the entire building. Smoke detectors  
designed for use inside the unit are used to sense the presence  
of smoke passing through the unit.  
The smoke detector utilizes photoelectric technology for the  
detection of smoke. This detection method, when combined  
with an efficient ducting design, samples air passing through  
the unit. If sufficient smoke is sensed, an alarm signal is initiat-  
ed and the ComfortLink controls will shut down the unit. With  
the unit shut down, the unit will not blow toxic smoke and fire  
gases throughout the areas served by the duct system.  
The return air smoke detector is part number  
CRSMKDET001C00. The supply air smoke detector is part  
number CRSMKSUP001A00.  
This device will not sense smoke unless the ventilation sys-  
tem is operating and the cover is installed.  
For this detector to function properly, it MUST be installed  
according to the instructions in this manual. Furthermore,  
the detector MUST be operated within ALL electrical and  
environmental specifications listed in this manual. Failure  
to comply with these requirements may prevent the detec-  
tor from activating when smoke is present in the air duct.  
SAFETY CONSIDERATIONS  
Installation and servicing of air-conditioning equipment can  
be hazardous due to system pressure and electrical compo-  
nents. Only trained and qualified service personnel should  
install, repair, or service air-conditioning equipment.  
Untrained personnel can perform the basic maintenance  
functions of cleaning coils and filters and replacing filters. All  
other operations should be performed by trained service per-  
sonnel. When working on air-conditioning equipment, observe  
precautions in the literature, tags and labels attached to the unit,  
and other safety precautions that may apply.  
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.  
PC 111 Catalog No. 534-80096 Printed in U.S.A. Form 48/50HG-19SI Pg 1 2-02 Replaces: 48/50HG-17SI  
Book 1  
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Tab 1a 1b 6a 6b  

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