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Table of Contents
- 1 Installation Manual
- 2 Table of Contents
- 3 Safety Precautions
- 4 Air Conditioner Parts Description
- 5 Outline and Dimensions
- 6 Installation of Indoor Unit
- 7 Installation of Outdoor Unit
- 8 Refrigerant Piping
- 9 Electrical Wiring Connection
- 10 Vacuuming and Charging
- 11 Additional Charge
- 12 Air Conditioner Unit Operation
- 13 Standard Operating Conditions
- 14 Auto Random Re-Start Function
- 15 Service and Maintenance
- 16 Trouble Shooting
- Download this manual
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Summary of Contents for McQuay RCM20D
- Page 1 CEILING/FLOOR EXPOSED CONVERTIBLE SPLIT TYPE AIR CONDITIONERS INSTALLATION MANUAL...
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Page 2: Installation Manual
CEILING/FLOOR EXPOSED CONVERTIBLE SPLIT TYPE AIR CONDITIONER MODEL COOLING UNIT Reference Model Model CE20D RCM20D / MCM020D / YCE20D / LXCM20D SL20B ALC20B / MLC020B / YSL20B / LXLC20B RCM25D / MCM025D / YCE25D / LXCM25D CE25D ALC25B / MLC025B / YSL25B / LXLC25B SL25B... -
Page 3: Table Of Contents
CONTENTS - Safety Precautions page 2 - Vacuuming And Charging page 12 - Air Conditioner Parts Description page 3 - Additional Charge page 12 - Outline And Dimensions page 3 - Air Conditioner Unit Operation page 13 - Installation Of Indoor Unit page 5 - Standard Operating Conditions page 13... -
Page 4: Air Conditioner Parts Description
AIR CONDITIONER PARTS DESCRIPTION INDOOR UNIT AIR DISCHARGE LOUVER SIGNAL RECEIVER INDICATOR LIGHTS AIR DISCHARGE GRILLE AIR INTAKE GRILLE AIR FILTERS (INSIDE AIR INTAKE GRILLE) REFRIGERANT OUTDOOR UNIT PIPING AIR INTAKE AIR INTAKE AIR DISCHARGE NOZZLE OUTLINE AND DIMENSIONS INDOOR UNIT (CE D SERIES) - Page 5 MODEL 1174 1174 1174 1674 1674 1082 1082 1082 1582 1582 1214 1214 1214 1714 1714 1379 1379 All dimensions in mm. OUTDOOR UNIT SL SERIES MODEL SL 20B/20BR SL 25B/25BR 840 646 297 309 408 378 492 78.5 SL 30B/30BR SLC SERIES All dimensions are in mm.
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Page 6: Installation Of Indoor Unit
INSTALLATION OF THE INDOOR UNIT PRELIMINARY SITE SURVEY STANDARD MOUNTING Ensure that the overhead supports are strong enough to hold • Electrical supply and installation shall conform to the local authority (e.g. National Electrical Board). the weight of the unit. Position the hanger rods (wall •... - Page 7 FIGURE C UTENSILS, FURNITURES OR BUILT-IN ARCHITECTURAL FEATURES MUST NOT PROTRUDE MORE THAN 250.0MM CEILING TYPE FLOOR STANDING TYPE SEMI-ENCLOSE MOUNTING • In case the unit is to be half-recessed into a false ceiling, please check that the unit is well-aligned. •...
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Page 8: Installation Of Outdoor Unit
INSTALLATION OF THE OUTDOOR UNIT The outdoor unit must be installed in such a way, so as to prevent short circuit of the hot discharged air or obstruction to the smooth air flow. Please follow the installation clear- ance shown in the figure. Select the coolest possible place where intake air temperature is not greater than the outside air temperature (maximum 45°C). - Page 9 PIPING WORKS • Do not use contaminated or damaged copper tubing. Do not remove plastic, rubber plugs and brass nuts from the valves, fittings, tubings and coils until you are ready to connect suction or liquid line into valves or fittings. •...
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Page 10: Electrical Wiring Connection
ELECTRICAL WIRING CONNECTION ELECTRICAL WIRING CONNECTION FOR CE 20D/25D/30D Model Voltage range 220V – 240V/1Ph/50Hz + ! Power Supply Cable size Number of conductors Interconnection Cable size Number of conductors Recommended fuse IMPORTANT: These values are for information only, they should be checked and selected to comply with the local and/or national codes and regulations. - Page 11 COMP CE40D/50D INTERCONNECTION COMP CABLE TERMINAL TERMINAL STRIP STRIP INDOOR OUTDOOR UNIT UNIT The electrical power must be provided with POWER SUPPLY protection devices (circuit breaker or fuse) with CABLE pole separation system, minimum contact gap of 3mm. ELECTRICAL WIRING CONNECTION FOR CE 20DR/25DR (HEAT PUMP) Model 20DR 25DR...
- Page 12 IMPORTANT: These values are for information only, they should be checked and selected to comply with the local and/or national codes and regulations. They are also subjected to the type of installation and size of conductors used. CE30DR OUTDOOR COIL SENSOR TERMINAL INTERCONNECTION STRIP...
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Page 13: Vacuuming And Charging
VACUUMING AND CHARGING Purging the piping and the indoor unit REFRIGERANT FLARE ALLEN PIPING Except for the outdoor unit which is pre-charged with refrigerant R22, the indoor unit and the refrigerant connection pipes must be air-purged because the air containing moisture that remains in the refrigerant cycle may cause malfunction of the compressor. -
Page 14: Air Conditioner Unit Operation
AIR CONDITIONER UNIT OPERATION Dry mode Overheating protection (for heat pump unit only) • In case the internal temperature and/or the external • When the air humidity is high, the unit can operate in dry mode. Press <MODE> button and choose <DRY>. temperature are to high, or that the filter is dirty and clogged out, the refrigerant may be overheated. -
Page 15: Service And Maintenance
SERVICE AND MAINTENANCE SERVICE PARTS MAINTENANCE PROCEDURES PERIOD Indoor air filter 1. Remove any dust adhering to the filter by using a vacuum cleaner or At least once wash in lukewarm water (below 40°C) with a neutral cleaning detergent. every 2 weeks. 2. - Page 16 • In the event that there is any conflict in the interpretation of this manual and any translation of the same in any language, the English version of this manual shall prevail. • The manufacturer reserves the right to revise any of the specification and design contain herein at any time without prior notification.
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