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Summary of Contents for Galactic GMZ2-14H-W
- Page 1 GMZ2-14H-W GMZ2-18H-W GMZ3-24H-W GMZ4-28H-W GMZ4-36H-W Thank you very much for purchasing this Air Conditioner. Please read this use and installation instructions carefully before installing and using this appliance and keep this manual for future reference.
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Page 2: Table Of Contents
Original instructions Contents Safety instructions............................1 Refrigerant flow diagram..........................9 Installation instruction..........................11 Installation diagram ............................11 Transportation and handling before installation ..................12 Installation locations selection........................12 Drainage elbow and drain hose installation ....................12 Outdoor unit installation ..........................13 Refrigerant piping............................13 Wiring ................................17 Trial run ...............................20 NOTE: ●... - Page 3 Safety precautions 1.This air conditioner uses new refrigerant HFC (R32). 2.Since the max. working pressure is 4.3/4.15MPa (R22:3.1MPa), some of the piping and installation and service tools are special. 3.This air conditioner uses power supply: 220-240V ~, 50Hz. Please read these SAFETY PRECAUTIONS carefully to ensure correct installation. ·Be sure to use a dedicated power circuit, and do not put other loads on the power supply.
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Page 4: Safety Instructions
Safety precautions CAUTION ·Perform grounding Does not connect the earth wire to a gas pipe, water pipe, lightning rod or telephone earth wire. Defective grounding could cause an electric shock. ·Do not install the unit in a place where an inflammable gas leaks. If gas leaks and accumulates in the area surrounding the unit, it could cause an explosion. - Page 5 Safety precautions Precautions for using R32 refrigerant The basic installation work procedures are the same as the conventional refrigerant (R22 or R410A). However, pay attention to the following points: WARNING 1. Transport of equipment containing flammable refrigerants. Attention is drawn to the fact that additional transportation regulations may exist with respect to equipment containing flammable gas.
- Page 6 Safety precautions WARNING 6-8 Checks to the refrigeration equipment •Where electrical components are being changed, they shall be fit for the purpose and to the correct specification. •At all times the manufacturer's maintenance and service guidelines shall be followed. If in doubt consult the manufacturer's technical department for assistance.
- Page 7 Safety precautions WARNING Detection of flammable refrigerants • Under no circumstances shall potential sources of ignition be used in the searching for or detection of refrigerant leaks. • A halide torch (or any other detector using a naked flame) shall not be used. Leak detection methods The following leak detection methods are deemed acceptable for systems containing flammable refrigerants: •...
- Page 8 Safety precautions WARNING Prior to the task being carried out, an oil and refrigerant sample shall be taken in case analysis is required prior to re-use of reclaimed refrigerant. It is essential that electrical power is available before the task is commenced. a) Become familiar with the equipment and its operation.
- Page 9 Safety precautions WARNING Competence of service personnel Information and training The training should include the substance of the following: Information about the explosion potential of flammable refrigerants to show that flammables may be dangerous when handled without care. Information about potential ignition sources, especially those that are not obvious, such as lighters, light switches, vacuum cleaners, electric heaters.
- Page 10 Safety precautions Safety precautions WARNING • Appliance shall be installed, operated and stored in a room with a floor area larger than X (X see indoor unit instruction manual). • The installation of pipe-work shall be kept to a a room with a floor area larger than X (X see indoor unit instruction manual).
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Page 11: Refrigerant Flow Diagram
Refrigerant flow diagram INDOOR UNIT OUTDOOR UNIT UNIT A 4-WAY VALVE UNIT B UNIT B FILTER UNIT A Cooling cycle Heating cycle Up to 2 indoor units series(14K/18K) INDOOR UNIT OUTDOOR UNIT UNIT A 4-WAY VALVE UNIT B UNIT C UNIT D COMPRESSOR UNIT D... - Page 12 Refrigerant flow diagram OUTDOOR UNIT INDOOR UNIT 4-WAY VALVE COMPRESSOR EEV E VAPOR LIQUID SEPARATOR EEV D EEV C FILTER EEV B EEV A Cooling cycle Heating cycle Up to 5 indoor units (42K)
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Page 13: Installation Instruction
Installation instructions Installation diagram Distance from the obstacle should be over 300mm. Air intake distance from Air intake distance from the wall the wall should be should be over 100mm over 100mm over 350mm Outdoor unit Above figure is only a simple presentation of the unit, it may not match the external appearance of the unit you purchased. Installation must be performed in accordance with the national wiring standards by authorized personnel only. -
Page 14: Transportation And Handling Before Installation
Installation instructions transportation and handling before installation Transport the product as close to the installation location as practical before unpacking. ·Handling Method ·Handling When hanging the unit, ensure a balance of the unit, check If have no package to move, Please protect with cloth safety and lift up smoothly. -
Page 15: Outdoor Unit Installation
Installation instructions Outdoor unit installation NOTE： ·Be sure to fix the legs of the units with bolts when installing it. ·Be sure to install the unit firmly to ensure that it does not fall by earthquake or gust. ·The anchor bolts, nuts and washers for the installation are user prepared. Air inlet Setscrew (at least 4) - Page 16 Installation instructions Additional refrigerant charge The unit has been filled with refrigerant, but if L (total pipe length) exceeds 15m(14K/18K/21K/24K) /20m (27K/36K) /25m(42K), additional charge with refrigerant (R32) is necessary. For 14K/18K/21K/24K Additional refrigerant charge =(L-15)×12g/m For 27K/36K Additional refrigerant charge =(L-20)×12g/m For 42K Additional refrigerant charge =(L-25)×12g/m 2.
- Page 17 Installation instructions 4. Piping Connection (1) Confirm that the valve is closed. (2) Connect the indoor unit and the outdoor unit with field-supplied refrigerant piping. Suspend the refrigerant piping at certain points and prevent the refrigerant piping from touching the weak part of the building such as wall, ceiling, etc.
- Page 18 Installation instructions 5. Air Tight Test Do use Nitrogen. Procedure Connect the gauge manifold using charging hoses with a nitrogen Completion Applying Check of cylinder to check joints of the liquid line and the gas line stop of Ref. Nitrogen Pressure Pass valves.
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Page 19: Wiring
Installation instructions Wiring ！ WARNING ● Turn OFF the main power switch to the indoor unit and the outdoor unit and wait for more than 3 minutes before electrical wiring work or a periodical check is performed. ● Check to ensure that the indoor fan and the outdoor fan have stopped before electrical wiring work or a periodical check is performed. - Page 20 Installation instructions Electrical wiring diagram Outdoor unit Terminal NOTE: Terminal A For some indoor units 1(L) 1(L) Power connecting cord Indoor unit A 2(N) 2(N) Terminal 4(SI) 4(SI) Terminal B Indoor unit Outdoor unit 1(L) 1(L) Power connecting cord Indoor unit B 2(N) 2(N) Terminal...
- Page 21 Installation instructions Electrical Data Power Source Transmitting Cable Size Cable Size Model Circuit Series Power Supply Capacity Nominal Nominal Sensitive Breaker(A) EN60335-1 EN60335-1 Current (A) Current (mA) up to 2 indoor 14K/18K 220-240V ~, 50Hz 3×1.5mm² 4×1.5mm² units up to 3 indoor 14K/18K/ 220-240V ~, 50Hz 3×2.5mm²...
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Page 22: Trial Run
Installation instructions Trial Run Trial run should be performed after refrigerant piping, drain, wiring, etc. have been finished. CAUTION The air-conditioner is provided with a crankcase heater, check to ensure that the switch on the main power source has been ON for more than 6 hours ahead of power on preheating, otherwise it might damage the compressor! Do not operate the system until all the check points have been cleared.
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