Related Manuals for Mitsubishi Electric Mr. SLIM PUZ-ZM71VHA-A
Summary of Contents for Mitsubishi Electric Mr. SLIM PUZ-ZM71VHA-A
- Page 1 Air-Conditioners PUZ-ZM71VHA-A INSTALLATION MANUAL FOR INSTALLER English For safe and correct use, read this manual and the indoor unit installation manual thoroughly before installing the air-conditioner unit.
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Page 2: Table Of Contents
If pipe components not designed for R32 refrigerant are used and the • Use only accessories authorized by Mitsubishi Electric and ask a dealer or an au- unit is not installed correctly, the pipes may burst and cause damage or injuries. -
Page 3: Installation Location
1. Safety precautions 1.1. Before installation Caution: • Do not use the unit in an unusual environment. If the air conditioner is installed in • The outdoor unit produces condensation during the heating operation. Make areas exposed to steam, volatile oil (including machine oil), or sulfuric gas, areas sure to provide drainage around the outdoor unit if such condensation is likely to exposed to high salt content such as the seaside, or areas where the unit will be cause damage. - Page 4 2. Installation location 2.2. Choosing the outdoor unit installation location / R32 is heavier than air—as well as other refrigerants—so tends to accumulate at the base (in the vicinity of the floor). If R32 accumulates around base, it may reach a flammable concentration in case room is small.
- Page 5 2. Installation location UNIT : mm 1000 Fig. 2-7 Fig. 2-8 Fig. 2-9 1000 Fig. 2-10 Fig. 2-11 Fig. 2-12 1000 Fig. 2-13 Fig. 2-14 Fig. 2-15 Fig. 2-16 Fig. 2-17 Fig. 2-18 Fig. 2-19...
- Page 6 2. Installation location / 2.5. Minimum installation area If you unavoidably install a unit in a space where all four sides are blocked or there are depressions, confirm that one of these situations (A, B or C) is satisfied. Note: These countermeasures are for keeping safety not for specification guarantee. A) Secure sufficient installation space (minimum installation area Amin).
- Page 7 2. Installation location ■ Indoor units Install in a room with a floor area of Amin or more, corresponding to refrigerant amount M (factory-charged refrigerant + locally added refrigerant). * For the factory-charged refrigerant amount, refer to the spec nameplate or installation manual. For the amount to be added locally, refer to the installation manual.
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Page 8: Installing The Outdoor Unit
3. Installing the outdoor unit • Be sure to install the unit in a sturdy, level surface to prevent rattling noises during (mm) operation. (Fig. 3-1) <Foundation specifications> Foundation bolt M10 (3/8") Thickness of concrete 120 mm Length of bolt 70 mm Weight-bearing capacity 320 kg... - Page 9 4. Installing the refrigerant piping 4.2. Connecting pipes (Fig. 4-1) 45°± 2 ° • When commercially available copper pipes are used, wrap liquid and gas pipes with commercially available insulation materials (heat-resistant to 100°C or more, thickness of 12 mm or more). •...
- Page 10 4. Installing the refrigerant piping 4.3. Refrigerant piping (Fig. 4-4) Remove the service panel D (3 screws) and the front piping cover A (2 screws) and rear piping cover B (2 screws). 1 Perform refrigerant piping connections for the indoor/outdoor unit when the out- door unit’s stop valve is completely closed.
- Page 11 4. Installing the refrigerant piping 4.5. Stop valve opening method The stop valve opening method varies according to the outdoor unit model. Use the appropriate method to open the stop valves. (1) Gas/Liquid side (Fig. 4-6) 1 Remove the cap and turn the valve rod counterclockwise as far as it will go with the use of a 4 mm hexagonal wrench.
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Page 12: Drainage Piping Work
4. Installing the refrigerant piping 4.7. Precautions when reusing existing R22 refrigerant pipes • Refer to the flowchart below to determine if the existing pipes can be used and if it is necessary to use a filter dryer. • If the diameter of the existing pipes is different from the specified diameter, refer to technological data materials to confirm if the pipes can be used. Measure the existing pipe thickness and check for damage. -
Page 13: Electrical Work
6. Electrical work 6.1. Outdoor unit (Fig. 6-1, Fig. 6-2) 1 Remove the service panel. 2 Wire the cables referring to the Fig. 6-1 and the Fig. 6-2. S1 S2 S3 A Indoor unit B Outdoor unit C Remote controller D Main switch (Breaker) E Earth Fig. - Page 14 6. Electrical work 6.2. Field electrical wiring Outdoor unit power supply ~/N (single), 50 Hz, 230 V Outdoor unit input capacity Main switch (Breaker) 25 A Outdoor unit power supply 3 × Min. 2.5 Indoor unit-Outdoor unit 3 × 1.5 (Polar) Indoor unit-Outdoor unit earth 1 ×...
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Page 15: Test Run
7. Test run 7.1. Before test run • The insulation resistance drops due to accumulation of refrigerant in the com- ► After completing installation and the wiring and piping of the indoor and outdoor units, check for refrigerant leakage, looseness in the power supply pressor. -
Page 16: Special Functions
8. Special functions 8.1. Low noise mode (on-site modification) (Fig. 8-1) By performing the following modification, operation noise of the outdoor unit can be Orange CNDM reduced by about 3-4 dB. Brown The low noise mode will be activated when a commercially available timer or the Fig. - Page 20 This product is designed and intended for use in the residential, commercial and light-industrial environment. Please be sure to put the contact address/telephone number on this manual before handing it to the customer. HEAD OFFICE: TOKYO BUILDING, 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN BG79U640L07 Printed in Japan...