Page 2 - CONTENTS; Improper connections or installation may result in fi re.
SPLIT SYSTEM Air Conditioners Installation manual 1 English CONTENTS 1. SAFETY CONSIDERATIONS ........................................... 1 2. INTRODUCTION ............................................................... 3 3. BEFORE INSTALLATION .................................................. 4 4....
Page 4 - INTRODUCTION; Confi rm that the following accessories are supplied.
3 English NOTE Install the indoor and outdoor units, power supply • wiring and transmission wiring at least 3.5ft. away from televisions or radios in order to prevent image interfer-ence or noise. (Depending on the radio waves, a distance of 3.5ft. may not be enough to eliminate the noise.) Dismantl...
Page 7 - English; Close the area under the frame so that the outlet air does; Close the area under the frame so that the outlet air does
English 6 When an obstruction is present also in the upward area • When one outdoor unit is installed individually (1) 20 or less 20 or more 40 or more When two or more outdoor units are installed side (2) by side 40 or more 40 or more 20 or less (C) When an obstruction is present on both the air in...
Page 9 - CAUTIONS ON INSTALLATION; REFRIGERANT PIPING WORK
English 8 When an obstruction is present on the air inlet side (2) 4 Z 12 or more NOTE Only two outdoor units can be stacked. 1. About 4 in. is required as the drain piping size for the upper 2. outdoor unit.Close the area Z (gap between the upper outdoor unit and 3. the lower outdoor unit) so that ...
Page 13 - ELECTRIC WIRING WORK
English 12 Valve cap Service port Field piping connection part Valve stem Silicon sealant (Take care not to generate cavity.) <Liquid line> <Gas line> Opening direction Opening direction Cautions on handling the valve cap The valve is sealed in the arrow area. Take care not to • damage t...
Page 14 - Precautions when knocking out knock holes; Power supply wiring connection procedure; WARNING
13 English Connection example of whole system wiring 7-1 Power Remote controller Indoor unit Ground Power Ground Outdoor unit 16V 208-230V 208-230V 16V Earth leakage circuit interrupter Overcurrent breaker (fuse) Branch switch Routing power supply wiring and transmission 7-2 wiring Let the power sup...
Page 15 - Transmission wiring connection procedure; CHECKS AFTER COMPLETION OF
English 14 How to Insulation tube. Use the insulation tube large to cover the power supply • wiring.Use the insulation tube small to cover the transmission wiring.Joint the insulation tube with the tape and cut off the tube • sticking out of the outdoor unit. tape Insulation tube large-1 or Insulati...
Page 16 - TEST OPERATION PROCEDURE; Power on and check operation
15 English Piping size and heat insulation: 5. Refer to “ 6-1 Selection of piping material ”, “ 6-5 Heat insulation of the piping ”. Check of stop valve: 6. Confi rm that the stop valve is open on both the liquid line and gas line.Record of amount of additional refrigerant: 7. Record the amount on t...
Page 17 - Checks in normal operation; -1 Power on and check operation
English 16 <Cautions on check operation> If the air conditioner is started within about 12 minutes after • the power of the indoor/outdoor unit is turned on, the H2P indicator lights and the compressor does not run.Confi rm that the LED status is as shown in the table in (2) in “ 9-1 Power on ...
Page 18 - CAUTION FOR REFRIGERANT LEAKS
17 English When nothing is displayed in the remote controller There might be a problem with the connection or transmis- • sion between the indoor unit and the remote controller.Check connections, and check for wire breakage. CAUTION <To piping technician><To electrician> After fi nishing...