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Installation, Operation and Maintenance

1.5 Through 5 Ton 
Split System Air Conditioner

INTRODUCTION ..............................................................................1

NOTES TO INSTALLER ....................................................................1

RECOGNIZE SAFETY SYMBOLS, WORDS AND LABELS ................1

CODES ............................................................................................1

INSPECTION AND UNPACKING ......................................................1

INSTALLATION

Clearances ..........................................................................2
Support ..............................................................................2
Exposure ............................................................................2
Proximity to Evaporator....................................................2

ELECTRICAL CONNECTIONS ..........................................................2

SERVICE VALVE CONNECTIONS

Braze Joints ..............................................................................3
Evacuation ................................................................................3
Opening the Service Valve (Step  Valve) ................................3

REFRIGERANT PIPING ...................................................................4

Precautions ................................................................................4
Liquid Line Sizes........................................................................4
Suction Line Sizes......................................................................4

SUBCOOLING CHARGING  ............................................................5
OPERATION INSTRUCTIONS ..........................................................6
MAINTENANCE INSTRUCTIONS ....................................................6

CONDENSING UNIT NOMENCLATURE ..........................................7

CIRCUIT DIAGRAM ....................................................................... 6

NOTE: 

THESE INSTRUCTIONS ARE INTENDED AS AN AID TO QUALIFIED
SERVICE PERSONNEL FOR PROPER INSTALLATION, ADJUSTMENT
AND OPERATION OF THIS EQUIPMENT. READ THE ENTIRE
INSTRUCTION MANUAL THOROUGHLY BEFORE ATTEMPTING
INSTALLATION OR OPERATION.

TABLE OF CONTENTS

 

R-410A Refrigerant

THIS UNIT USES:

See precautions on page 5

R-410A Refrigerant precautions  .................................................5

IOMCDU1-F.1GB

Summary of Contents for C18ABZ1VF

Page 1: ...alve Step Valve 3 REFRIGERANT PIPING 4 Precautions 4 Liquid Line Sizes 4 Suction Line Sizes 4 SUBCOOLING CHARGING 5 OPERATION INSTRUCTIONS 6 MAINTENANCE INSTRUCTIONS 6 CONDENSING UNIT NOMENCLATURE 7 CIRCUIT DIAGRAM 6 NOTE THESE INSTRUCTIONS ARE INTENDED AS AN AID TO QUALIFIED SERVICE PERSONNEL FOR PROPER INSTALLATION ADJUSTMENT AND OPERATION OF THIS EQUIPMENT READ THE ENTIRE INSTRUCTION MANUAL THO...

Page 2: ...local state and federal codes and or regulations pertaining to this type of equipment and its installation Such codes and or regulations should take precedence over any recommendations contained herein in lieu of local codes Installations SHALL be made in accordance with the National Electrical Code local codes and recommendations made by the National Board of Fire Underwriters Consult local build...

Page 3: ...ssible to the evaporator will increase the system capacities by reducing the line set refrigerant pressure drop and will make the system less susceptible to liquid migrations due to less refrigerant charge 1 The installer shall check available power to make certain it matches the unit rating plate located inside control box cover and that constant voltage can be maintained to the unit Unsatisfacto...

Page 4: ...d wire If thermostat is located more than 100 ft from unit as measured along the control voltage wires use No 16 AWG wire to avoid excessive voltage drop 3 All wiring must be NEC Class 1 and must be separated from incoming power leads Use furnace transformer fan coil transformer or accessory transformer for control power Note Use of available 24 volt accessories may exceed the minimum power requir...

Page 5: ...cessary use hanger straps which are 1 in wide and conform to shape of tubing insulation Isolate hanger straps from insulation by using metal sleeves bent to conform to shape of insulation Condensing units are available with pre charged sweat type copper connecting fittings Units are factory charged for 15 of line set tubing Adjust charge 0 65 oz per foot of variation from chart for 1 4 and 5 8 lin...

Page 6: ...function NOTE When removing refrigerant always use standard reclaim procedures FINAL CHECKS FOR INSTALLER 1 Ensure that all wiring is routed away from tubing and sheet metal edges to prevent rub through or wire pinching 2 Ensure that all wiring and tubing is secure in unit before adding panels and covers 3 Tighten service valve stem caps to 1 12 turn past finger tight 4 Leave Owner s Manual with o...

Page 7: ...res are equalized the compressor motor may trip on its overload An additional waiting period will be required before restarting OPERATION INSTRUCTIONS For continuing high performance and to minimize possible equipment failure periodic maintenance must be performed on this equipment Frequency of maintenance may vary depending upon geographic areas such as costal applications MAINTENANCE INSTRUCTION...

Page 8: ...e Township NJ 08831 24 A B 1 V Z C 18 18000 BTU H 5 28 kW 24 24000 BTU H 7 03 kW 30 30000 BTU H 8 79 kW 36 36000 BTU H 10 55 kW 42 42000 BTU H 12 31 kW 48 48000 BTU H 14 07 kW 60 60000 BTU H 17 5 kW 1 208 230 Volts 1 Phase 60 Hz 2 230 Volts 1 Phase 50 Hz 3 208 230 Volts 3 Phase 60 Hz 4 460 Volts 3 Phase 60 Hz 5 230 Volts 3 Phase 50 Hz 6 380 Volts 3 Phase 50 Hz C Air Conditoner CH Heat Pump A Poduc...

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