Summary of Contents for Mitsubishi Electric Mr.SLIM PUY-SP KA2 Series
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Air-Conditioners PUY-SP•KA2 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.
Consult a dealer regarding the ap- • Use only accessories authorized by Mitsubishi Electric and ask a dealer propriate measures to prevent the allowable concentration from being ex- or an authorized technician to install them.
1. Safety precautions 1.2. Before installation (relocation) Caution: • Be extremely careful when transporting or installing the units. Two or more • The base and attachments of the outdoor unit must be periodically checked persons are needed to handle the unit, as it weighs 20 kg or more. Do not for looseness, cracks or other damage.
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2. Installation location (mm) 2.2. Choosing the outdoor unit installation location • Avoid locations exposed to direct sunlight or other sources of heat. • Select a location from which noise emitted by the unit will not inconvenience neighbors. • Select a location permitting easy wiring and pipe access to the power source and indoor unit.
3. Installing the outdoor unit (mm) • Be sure to install the unit in a sturdy, level surface to prevent rattling noises during operation. (Fig. 3-1) <Foundation specifi cations> Foundation bolt M10 (3/8") Thickness of concrete 120 mm Length of bolt 70 mm Weight-bearing capacity 320 kg...
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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). •...
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4. Installing the refrigerant piping 4.4. Refrigerant pipe airtight testing method (Fig. 4-4) (1) Connect the testing tools. • Make sure the stop valves A B are closed and do not open them. • Add pressure to the refrigerant lines through the service port C of the liquid stop valve A .
4. Installing the refrigerant piping 4.7. Precautions when reusing existing R22 refrigerant pipes • Refer to the fl owchart below to determine if the existing pipes can be used and if it is necessary to use a fi lter dryer. •...
6. Electrical work 6.1. Outdoor unit (Fig. 6-1, Fig. 6-2) ■ 1 Remove the service panel. SP36, 42, 48V 2 Wire the cables referring to the Fig. 6-1 and the Fig. 6-2. S1 S2 S3 A Indoor unit ■ B Outdoor unit SP36, 42, 48Y C Remote controller D Main switch (Breaker)
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6. Electrical work 6.2. Field electrical wiring Outdoor unit model SP36V SP42, 48V SP36, 42, 48Y ~/N (single), 50 Hz, 220 - 240 V ~/N (single), 50 Hz, 220 - 240 V 3N~ (3ph 4-wires), 50 Hz, 380 - 415V Outdoor unit power supply ~/N (single), 60 Hz, 220 - 230 V ~/N (single), 60 Hz, 220 - 230 V...
7. Test run 7.1. Before test run • The insulation resistance drops due to accumulation of refrigerant in the com- pressor. The resistance will rise above 1 M" after the compressor is warmed ► After completing installation and the wiring and piping of the indoor and up for 12 hours.
8. Special functions 8.1. Low noise mode (on-site modifi cation) (Fig. 8-1) By performing the following modifi cation, 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.
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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 VG79A854H01 Printed in Thailand...