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507708-01

Page 1 of 9

Issue  1337

These instructions must be read and understood completely before attempting installation.

RSG13/14 SPLIT SYSTEM AIR CONDITIONER 

INSTALLATION / STARTUP INSTRUCTIONS

/HOMEOWNERS INFORMATION MANUAL

Manufactured By

Comfort-Aire / Century

1900 Wellworth Ave.

Jackson, MI 49203

(P) 507708-01

Improper Installation, adjustment, alteration, service or

maintenance will void the warranty. The qualified installer 

or agency must use factory-authorized kits or accesories 

when modifying this product. Refer to the individual 

instructions packaged with the kits or accesories when 

installing.

  CAUTION

Installation or repairs made by unqualified persons can 

result in hazards to you and others. Installation MUST 

conform with local building codes and with the National 

Electric Code NFPA 70/ANSI C1-1993 or current edition 

and Canadian Electrical Code Part 1 CSA .

  WARNING

Safety Precautions  ...............................................2

Unit Location & Installation ....................................2

Rooftop Installation & Recommendations .............3

Indoor Coil Piston Selection ..................................3

Refrigeration Line Sets ..........................................3

Installation of Line Sets .........................................4 

 

Leak Check............................................................4 

 

Evacuating & Charging ..........................................4 

*P507708-01*

TABLE OF CONTENTS

Electrical Connections  ..........................................5

Control Wiring ........................................................5

Start-Up Procedure................................................5

Adjusting charge ....................................................5

Single Phase Wiring Diagram.............................7/8

Homeowner’s Information .....................................9 

These units are designed for use in residential and  

commercial type buildings. Units should be installed  

with combinations listed in the Air-Conditioning, Heating 

and Refrigeration Institute (AHRI) Directory of Certified 

 

Products. Refer to http://www.ahridirectory.org . 

 

Before installation, inspect the unit for shipping damage. 

If damage is found, notify the transportation company  

immediately and file a concealed damage claim.

These instructions are intended as a general guide 

and do not supersede national, state or local codes in 

any way.

These instructions must be left with the property 

owner.

NOTE

Содержание Century RSG13

Страница 1: ...tion and Canadian Electrical Code Part 1 CSA WARNING Safety Precautions 2 Unit Location Installation 2 Rooftop Installation Recommendations 3 Indoor Coil Piston Selection 3 Refrigeration Line Sets 3 Installation of Line Sets 4 Leak Check 4 Evacuating Charging 4 P507708 01 TABLE OF CONTENTS Electrical Connections 5 Control Wiring 5 Start Up Procedure 5 Adjusting charge 5 Single Phase Wiring Diagram...

Страница 2: ... In some cases noise in the living area has been traced to gas pulsations from improper installation of equipment 1 Locate unit away from windows patios decks etc where unit operation sounds may disturb customer 2 Ensure that vapor and liquid tube diameters are appropriate to capacity of unit 3 Run refigerant tubes as directly as possible by avoiding unecessary turns and bends 4 Leave some slack b...

Страница 3: ...ance less than 2 ft from a second uni With clearance less than 4 ft on top of unit Indoor Coil Piston Selection The outdoor section must be matched to a factory approved indoor section It is mandatory that the installer ensure that the correct piston or TXV is installed in the indoor section If necessary remove the existing piston and replace it with the correct piston or TXV See indoor unit instr...

Страница 4: ... for leaks after brazing and before evacuation The recommended procedure is to apply a trace amount of vapor refrigerant approximately two ounces or 3 psig into the line set and indoor coil then pressurize with 150 psig of dry nitrogen Use a refrigerant leak detector to check all joints The system may also be checked for leaks using a halide torch or pressure and soapy solution After completion of...

Страница 5: ... wire to ground connection in control box for safety Connect power wiring to contactor High voltage power connections to 3 phase models is made to Pig Tail leads with field supplied splice connectors Contol Wiring The control voltage is 24 VAC NEC Class I insulated 18 AWG is required for control wiring For lengths longer than 150 feet contact your local distributor for technical service Ensure the...

Страница 6: ...its with Indoor TXV Units installed with cooling mode TXV require charging with the subcooling method 1 Operate unit a minimum of 10 minutes before checking charge 2 Measure liquid service valve pressure by attaching an accurate gage to service port Determine saturation temp from T P chart 3 Measure liquid line temperature by attaching an accurate thermistor type or electronic thermometer to liqui...

Страница 7: ...507708 01 Page 7 of 9 Issue 1337 534773W A C SINGLE PHASE WIRING DIAGRAM Single speed condenser fan ...

Страница 8: ...Page 8 of 9 507708 01 Issue 1337 A C SINGLE PHASE WIRING DIAGRAM Multi speed condenser fan 537511 01 ...

Страница 9: ...rees can be drawn into coils by movement of the air Clogged condenser coils will lower the efficiency of your unit and cause damage to the condenser Periodically debris should be brushed from the condenser coils SHARP OBJECT HAZARD WARNING Condenser coils have sharp edges Wear adequate body protection on body extremities e g gloves FAILURE TO FOLLOW THIS WARNING COULD RESULT IN BODILY INJURY Use a...

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