Sanyo CM1972 Service Manual - Page 65
General - model kms0972 2
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1. General This booklet briefly outlines where and how to install the air conditioning system. Please read over the entire set of instructions for the indoor and outdoor units and make sure all accessory parts listed are with the system before beginning. If the electric wiring diagram does not appear in this manual, please check for the diagram on the indoor unit. 1-1. Tools Required for Installation (not supplied) 1. Standard screwdriver 2. Phillips head screwdriver 3. Knife or wire stripper 4. Tape measure 1-2. Accessories Supplied with Unit Table 1 Parts Figure Q'ty Parts Hex wrench 1 Cushion rubber Labels for inter-unit cable and tube ABCD Reducer 4 each (3/8" 1/2") 5. Carpenter's level 6. Sabre saw or key hole saw 7. Hacksaw 8. Core bits 9. Hammer 10. Drill 11. Tube cutter 12. Tube flaring tool 13. Torque wrench 14. Adjustable wrench 15. Reamer (for deburring) 16. Vacuum pump (For R410A) 17. Manifold valve Figure Q'ty Parts 4 Reducer (1/2" 3/8") 1972 1 Figure Q'ty 2472 1 3172 2 Packed in the outdoor unit. 1-3. Optional Copper Tubing Kit Copper tubing for connecting the outdoor unit to the indoor unit is available in kits which contain the narrow and wide tubing, fittings and insulation. Consult your nearest sales outlet or A/C workshop. 1-4. Type of Copper Tube and Insulation Material If you wish to purchase these materials separately from a local source, you will need: 1. Deoxidized annealed copper tube for refrigerant tubing as detailed in Table 2. Cut each tube to the appropriate lengths 1' to 1'4" (30 cm to 40 cm) to dampen vibration between units. 2. Foamed polyethylene insulation for the specified copper tubes as required to precise length of tubing. Wall thickness of the insulation should be not less than 5/16" (8 mm). 3. Use insulated copper wire for field wiring. Wire size varies with the total length of wiring. Refer to 5. Wiring Instructions for details. CAUTION Check local electrical codes and regulations before obtaining wire. Also, check any specified instructions or limitations. Table 2 Model KMS0772 KMS0972 KMS1272 KMS1872 KMS2472 Narrow Tube Outer Dia. Thickness 1/4" (6.35 mm) 0.0314" (0.8 mm) 1/4" (6.35 mm) 0.0314" (0.8 mm) 1/4" (6.35 mm) 0.0314" (0.8 mm) 1/4" (6.35 mm) 0.0314" (0.8 mm) 1/4" (6.35 mm) 0.0314" (0.8 mm) Wide Tube Outer Dia. Thickness 3/8" (9.52 mm) 0.0314" (0.8 mm) 3/8" (9.52 mm) 0.0314" (0.8 mm) 3/8" (9.52 mm) 0.0314" (0.8 mm) 1/2" (12.70 mm) 0.0314" (0.8 mm) 5/8" (15.88 mm) 0.0393" (1.0 mm) 3