SPLIT-TYPE AIR CONDITIONER CONTENTS - Mitsubishi …

1 SPLIT-TYPE AIR CONDITIONER . CONTENTS . 1. THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR. SAFETY .. 2. INSTALLATION MANUAL 2. 3. INSTALLATION DIAGRAM & ACCESSORIES .. 2. SELECTING THE INSTALLATION LOCATION .. 3. 4. OUTDOOR UNIT INSTALLATION .. 4. Model MXZ-2A52VA. HFC 5. INDOOR/OUTDOOR UNITS CONNECTION FINISHING AND. utilized TEST RUN .. 5. R410A. IMPORTANT NOTES. TO COMPLY WITH THE REQUIREMENTS OF AUSTRALIAN STANDARD. AS 3000 WIRING RULES, THE ELECTRICAL WIRING REQUIRED. BETWEEN THE INDOOR AND OUTDOOR UNITS MUST BE INSTALLED. Refer to the installation manual of each indoor unit for indoor unit installation. BY A LICENCED ELECTRICAL CONTRACTOR. FOR INSTALLER. 1 17:04:09 Uhr 1. THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR. 2. INSTALLATION DIAGRAM & ACCESSORIES. SAFETY. Be sure to read THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY before installing the air CONDITIONER .

2 Before installation Be sure to observe the cautions specified here as they include important items related to safety. This installation manual is only for the outdoor unit installation. In installing the indoor units, refer to the The indications and meanings are as follows. installation manual attached to each indoor unit. Any structural alternations necessary for the installation must comply with the local building code WARNING: Could lead to death, serious injury, etc. requirements. CAUTION: Could lead to serious injury in particular environments when operated incorrectly. After reading this manual, be sure to keep it together with the OPERATING INSTRUCTIONS in a handy place on the customer's site. WARNING. Do not install the unit by yourself (customer). Perform electrical work according to the instal- D. Incomplete installation could cause injury due to fire, lation manual and be sure to use an exclusive K.

3 Electric shock, the unit falling or leakage of water. circuit. Consult the dealer from whom you purchased the If the capacity of the power circuit is insufficient or unit or special installer. there is insufficient electrical work, it could result in a Install the unit securely in a place which can bear fire or an electric shock. the weight of the unit. Attach the electrical cover to the indoor unit and H. When installed in an insufficient strong place, the unit the service panel to the outdoor unit securely. could fall causing injury. If the electrical cover in the indoor unit and/or the Use the specified wires to connect the indoor service panel in the outdoor unit are not attached se- and outdoor units securely and attach the wires curely, it could result in a fire or an electric shock due C. firmly to the terminal block connecting sections to dust water, etc.

4 I. so the stress of the wires is not applied to the Be sure to use the part provided or specified sections. parts for the installation work. Incomplete connecting and fixing could cause fire. The use of defective parts could cause an injury due E. Do not use intermediate connection of the power to a fire, an electric shock, the unit falling, leakage of J. cord or the extension cord and do not connect water, etc. Open as a rule many devices to one AC outlet. Be sure to cut off the main power in case of set- More than 500 mm It could cause a fire or an electric shock due to de- ting up the indoor electronic control board if the front and both fective contact, defective insulation, exceeding the or wiring works. sides are open permissible current, etc. It could cause an electric shock. Check that the refrigerant gas due not leak after The appliance shall be installed in accordance installation has completed.

5 With national wiring regulations. More than 100 mm If refrigerant gas leaks indoors, and comes into con- When installing or relocating the unit, make sure More than 200 mm if tact with the fire of a fan heater, space heater, stove, that no substance other than the specified refrig- there are obstacles to etc., harmful substances will be generated. erant (R410A) enters the refrigerant circuit. both sides Perform the installation securely referring to the Any presence of foreign substance such as air can installation manual. cause abnormal pressure rise or an explosion. More than 100 mm Incomplete installation could cause a personal injury due to fire, electric shock, the unit falling or leakage F. of water. CAUTION. Perform earthing. Install an earth leakage breaker depending on the Do not connect the earth wire to a gas pipe, water installation place (Where it is humid).

6 Pipe, lightning rod or telephone earth wire. Defective If a earth leakage breaker is not installed, it could Open as a rule earthing could cause an electric shock. cause an electric shock. More than 500 mm if the back, both sides Do not install the unit in a place where an inflam- Perform the drainage/piping work securely ac- and top are open More than 350 mm mable gas leaks. cording to the installation manual. If gas leak and accumulate in the area surrounding If there is a defect in the drainage/piping work, water the unit, it could cause an explosion. could drop from the unit and household goods could Fasten a flare nut with a torque wrench as speci- be wet and damaged. Note: fied in this manual. The dimensions given along the arrows above are required to guarantee When fastened too tight, a flare nut may broken after the air CONDITIONER 's performance. Install the unit in as wide a place as a long period and cause a leakage of refrigerant.

7 Possible for later service or repairs. 2. 2 17:04:10 Uhr 3. SELECTING THE INSTALLATION LOCATION. Parts to be locally procured Where it is not exposed to strong wind. Power supply cord Where airflow is good and dustless. A (3-core mm2). 1 Where it is not exposed to rain and direct sunshine. Where neighbours are not annoyed by operation sound or hot air. Indoor/outdoor unit connecting wire B (4-core mm2 mm2). 1 Where rigid wall or support is available to prevent the increase of operation sound or vibration. Where there is no risk of combustible gas leakage. C Extension pipe According to Selecting pipe size 1 When installing the unit at a high level, be sure to fix the unit legs. Where it is at least 3 m away from the antenna of TV set or radio. Operation of the air CONDITIONER may D Wall hole cover 1. interfere with radio or TV reception in areas where reception is weak.

8 An amplifier may be required for the E Piping tape 1 affected device. Extension drain hose Install the unit horizontally. F (or soft vinyl chloride hose of 15 mm in internal dia. 1 Please install it in an area not affected by snowfall or blowing snow. In areas with heavy snow, please install or hard vinyl chloride pipe VP16) a canopy, a pedestal and/or some baffle boards. G Refrigeration oil Little amount Note: H Putty 1 It is advisable to make a piping loop near outdoor unit so as to reduce vibration transmitted from Pipe fixing band there. I (The number depends on the pipe length.). 2 to 7. Fixing screw for I WARNING: J (The number depends on the pipe length.). 2 to 7 Be sure to install the unit in a place that well sustains its weight. Installing in a place with less strength may result in a unit falling, causing a risk of injury. K Wall hole sleeve 1. Soft vinyl chloride hose of 25 mm in internal dia.

9 Or CAUTION: L hard vinyl chloride pipe VP25. 1. Avoid the following places for installation where air CONDITIONER trouble is liable to occur. Where flammable gas could leak. 150 50 0. Where there is much machine oil. Air in NOTE: Salty places such as the seaside. Do not use the drain socket and the drain cap in the cold region. Where sulfide gas is generated such as 304~325. 285. Drain may freeze and it makes the fan stop. Air in a hot spring. The Q'ty for B to K in the above table is the quantity to be used per indoor unit. Where there is high-frequency or wire- WARNING: less equipment. Air out Be sure to use specified accessories and supplied parts for installation work. If there is some defi- 4-10 x 21 Oval holes 800 (Unit mm). ciency in parts, it may cause a risk of fire, electric shock, injury by a unit fall or water leakage. Note: Constraints On Indoor Unit Installation When operating the air CONDITIONER in low outside temperature, be sure to follow the instructions de- You should note that indoor unit that can be connected to this outdoor unit have the following constraints scribed below.

10 On them. Never install the outdoor unit in a place where its air inlet/outlet side may be exposed directly to Indoor units with model numbers 22, 25 and 35 can be connected. Refer to the table below for possible wind. indoor unit combinations. To prevent exposure to wind, install the outdoor unit with its air inlet side facing the wall. To prevent exposure to wind, it is recommended to install a baffle board on the air outlet side of the MXZ-2A52VA Combination outdoor unit. 2 UNIT 22+22 22+25 22+35 25+25 25+35 35+35. 3. 3 17:04:11 Uhr 4. OUTDOOR UNIT INSTALLATION. 4-1 INSTALLING THE UNIT For the power supply cord and the indoor/outdoor unit connecting wires, be sure to use the ones in compli- ance with the standards. Be sure to fix the unit's legs with bolts when installing it. Be sure to push the core until it is hidden and pull each cable to make sure that it is not pulled up.