Table of Contents
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Installation
and
Maintenance
Manual
"S" SERIES
18K - 42K
ULTRA-HEATING AIR
CONDITIONING UNITS
Type
OUTDOOR UNITS
IMPORTANT:
PLEASE READ AND
UNDERSTAND THIS MANUAL
BEFORE USING THIS
INVERTER-DRIVEN AIR
CONDITIONING UNIT. KEEP
THIS MANUAL FOR FUTURE
REFERENCE.
Model
DHS18CMB22S
DHS24CMB22S
DHS36CMB22S
DHS42CMB22S
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Table of Contents
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Summary of Contents for Johnson Controls S Series
- Page 1 Installation Maintenance Manual "S" SERIES 18K - 42K ULTRA-HEATING AIR CONDITIONING UNITS Type Model DHS18CMB22S OUTDOOR UNITS DHS24CMB22S DHS36CMB22S DHS42CMB22S IMPORTANT: PLEASE READ AND UNDERSTAND THIS MANUAL BEFORE USING THIS INVERTER-DRIVEN AIR CONDITIONING UNIT. KEEP THIS MANUAL FOR FUTURE REFERENCE.
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Page 3: Table Of Contents
In line with the company’s policy of continual product improvement, the aesthetic and dimensional characteristics, technical data and accessories of this appliance may be changed without notice. CONTENTS GENERAL INFORMATION Conformity And Range The Instructions Before Use Name of Parts Technical Data Outdoor Unit Working Temperature Range Electrical Connections... -
Page 4: Conformity And Range
Explanation of Symbols Indicates a hazardous situation that, if not avoided, will DANGER result in death or serious injury. Indicates a hazardous situation that, if not avoided, could WARNING result in death or serious injury. Indicates a hazardous situation that, if not avoided, may CAUTION result in minor or moderate injury. -
Page 5: The Instructions Before Use
THE INSTRUCTIONS BEFORE USE GENERAL INFORMATION WARNING When having a burning smell or The power supply must adopt the Never cut off or damage power ★ ★ ★ smoke,please turn off the power special circuit that has air switch cables and control wires. If the supply and contact with the a protection and assure it has enou- power cable and signal control... -
Page 6: Name Of Parts
NAME OF PARTS GENERAL INFORMATION DHS18CMB22S WARNING If the power cord is damaged, it must be replaced by a qualified service professional in order to avoid hazard. Be sure to cut off the power supply before cleaning the air conditioner; otherwise electric shock might happen. - Page 7 NAME OF PARTS GENERAL INFORMATION DHS36CMB22S DHS42CMB22S WARNING If the power cord is damaged, it must be replaced by a qualified service professional to avoid hazard. Be sure to cut off the power supply before cleaning the air conditioner; otherwise electric shock might happen.
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Page 8: Technical Data
TECHNICAL DATA GENERAL INFORMATION DHS18CMB22S MODE Electrical data Electricity supply 208/230V,60Hz Fuse or air switch 0.08 Minimum power cord section Size and clearance MODE Electrical data Electricity supply 208/230V,60Hz Fuse or air switch Minimum power cord section Size and clearance MODE Electrical data Electricity supply... -
Page 9: Electrical Connections
ELECTRICAL CONNECTIONS INSTALLER DHS18CMB22S 1. Remove the handle at the right side plate of the An all-pole disconnection switch having a contact outdoor unit (one screw). separation of at least 3mm in all pole should be connected in fixed wiring. 2. - Page 10 ELECTRICAL CONNECTIONS INSTALLER DHS24CMB22S 1. Remove the handle at the right side plate of the An all-pole disconnection switch having a contact outdoor unit (one screw). separation of at least 3mm in all pole should be connected in fixed wiring. 2.
- Page 11 ELECTRICAL CONNECTIONS INSTALLER DHS36CMB22S Remove the handle at the right side plate of the An all-pole disconnection switch having a contact outdoor unit (one screw). separation of at least 3mm in all pole should be connected in fixed wiring. Remove the cable clamp, connect the power connection cable with the terminal at the row of Wrong wire connection may cause malfunction of connection and fix the connection.
- Page 12 ELECTRICAL CONNECTIONS INSTALLER DHS42CMB22S 1. Remove the handle at the right side plate of the An all-pole disconnection switch having a contact outdoor unit (one screw). separation of at least 3mm in all pole should be connected in fixed wiring. Remove the cable clamp, connect the power connection cable with the terminal at the row of Wrong wire connection may cause malfunction of...
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Page 13: Installing The Outdoor Unit
INSTALLING THE OUTDOOR UNIT INSTALLER Location Caution: Installation Must be Performed in Accordance with local and national codes by Use bolts to secure the unit to a flat, solid floor. qualified service personnel only. When mounting the unit on a wall or the roof, make Install the condensate fitting and the condensate sure the support is firmly secured so that it cannot hose (for model with heat pump only) -
Page 14: Maintenance
MAINTENANCE INSTALLER Use suitable instruments for the refrigerant R410A. Do not use any other refrigerant than R410A. Do not use mineral oils to clean the unit. INSTALLATION DIMENSION DIAGRAM INSTALLER The installation must be done by trained and qualified service professional with reliability according to this manual. -
Page 15: Check After Installation
CHECK AFTER INSTALLATION INSTALLER Check Items Problems caused by Improper Installation Is the installation reliable? The unit may drop, vibrate or make noises May cause unsatisfactory cooling (heating) Has the gas leakage been checked? effect Is the foam pipe insulation of the unit May cause condensation and water dripping sufficient? Is the condensation flowing smoothly? - Page 16 © Johnson Controls – Hitachi Air Conditioning. USA Issued: June 2022...
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