Instruction/ maintenance manual of the product MSZ-GA71 VA Mitsumi electronic
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1 SG79Y513H02 SPLIT -TYPE AIR CONDITIONERS Models MSZ-GA50 V A MSZ-GA60 V A MSZ-GA71 V A MSZ-GA80 V A [FLARE CONNECTION TYPE] INST ALLA TION MANUAL CAUTION ■ Earth the unit. Do not connect the earth to a gas pipe, water pipe, lightning rod or telephone earth.
1 2 H D C 7 B G 3 6 8 8 E F K 4 A 7 mm or more 500 mm or more 100 mm or more 100 mm or more 500 mm or more 350 mm or more Note: Do not obstruct the air outlet. 72 mm or more 100 mm or more for left and left back piping (using spacer) 120 mm or more 200 mm or more 5 Air outlet 4-10 mm × 21 mm slot Be careful the drain hose is not raised.
4. INDOOR UNIT INST ALLA TION 4-1 FIXING OF INST ALLA TION PLA TE • Find a structural material (such as a stud) in the wall and fix installation plate horizontally . When bolts recessed in the concrete wall are to be utilized, secure the installation plate using 1 1 × 20 · 1 1 × 26 oval hole (450 mm pitch).
Drain hose Liquid pipe Gas pipe Felt tape Indoor/outdoor unit connecting wire CAUTION • Be careful not to make mis-wiring. • Firmly tighten the terminal screws to prevent them from loosening. • After tightening, p ull the wires lightly to confirm that they do not move.
10 m or less 15 m or less 25 m or less Power supply cord Specification Indoor and Outdoor connecting wire Specification 5. OUTDOOR UNIT INST ALLA TION INDOOR/OUTDOOR UNIT CONNECTING WIRE CON- NECTION AND OUTDOOR POWER SUPPL Y CORD CONNECTION • Connect the indoor/outdoor unit connecting wire from the indoor unit correctly on the terminal block.
6-3 PIPE CONNECTION Note: Fasten a flare nut with a torque wrench as specified in the table below . When fastened too tight, a flare nut may broken after a long period and cause a leakage of refrigerant. 1 Indoor unit connection Connect both liquid and gas pipings to indoor unit.
PURGING PROCEDURES Connect the refrigerant pipes (both liquid pipe and the gas pipe) between the indoor and the outdoor unit. Remove the service port cap of the stop valve on the side of the outdoor unit gas pipe. (The stop valve will not work in it initial state fresh out of the factory (totally closed with cap on).
HEAD OFFICE: TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODAKU, TOKYO 100-8310, JAP AN 7-4 GAS CHARGE 1 Connect gas cylinder to the service port of stop valve (3-way). 2 Execute air purge of the pipe (or hose) coming from refrigerant gas cylinder . 3 Replenish specified amount of the refrigerant, while operating the air conditioner for cooling.
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