Page 2 - CONTENTS; WIRING EXAMPLE AND HOW TO SET; SAFETY CONSIDERATIONS
1 English VRV SYSTEM Inverter Air Conditioners Installation manual CONTENTS 1. SAFETY CONSIDERATIONS .......................................... 1 2. BEFORE INSTALLATION................................................. 3 3. SELECTING INSTALLATION SITE .................................. 4 4. PREPARATI...
Page 3 - English; CAUTION
English 2 • Securely fasten the outside unit terminal cover (panel). If the terminal cover/panel is not installed properly, dust or water may enter the outside unit causing fire or electric shock. • When installing or relocating the system, keep the refrig-erant circuit free from substances other th...
Page 4 - BEFORE INSTALLATION; PRECAUTIONS; NOTE
3 English 2. BEFORE INSTALLATION • When moving the unit while removing it from the carton box, be sure to lift it by holding on to the four lifting lugs without exerting any pressure on other parts, especially, the refrigerant piping, drain piping, and other resin parts. • Be sure to check the type ...
Page 5 - NOTE TO INSTALLER; SELECTING INSTALLATION SITE; PREPARATIONS BEFORE INSTALLATION
English 4 b. Items to be checked at time of delivery Also review the “SAFETY CONSIDERATIONS” c. Points for explanation about operations 2-4 NOTE TO INSTALLER • Be sure to instruct customers how to properly operate the unit (especially cleaning filters, operating different functions, and adjusting th...
Page 7 - DRAIN PIPING WORK
English 6 CAUTION Over-tightening may damage the flare and cause a refriger-ant leakage. Use “ Table 2 ” as a reference if a torque wrench is not available. Once work is complete, make sure there is no gas leaking. As the flare nut is tightened with the wrench, the torque will sud-denly increase. Fr...
Page 8 - ELECTRIC WIRING WORK; GENERAL INSTRUCTIONS
7 English • Keep piping as short as possible and slope it downwards so that air may not remaine trapped inside the pipe. • Keep pipe size equal to or greater than that of the con- necting pipe (Vinyl pipe of 1in. nominal diam. and 1-1/4in. outer diam.). • Insulate the clamp metal with the sealing pa...
Page 9 - HOW TO CONNECT WIRINGS; Routing power supply wiring and transmission wiring
English 8 9. WIRING EXAMPLE AND HOW TO SET THE REMOTE CONTROLLER 9-1 HOW TO CONNECT WIRINGS (Remove the electrical components box lid and wire as shown in the figure below.) Routing power supply wiring and transmission wiring Let the power supply wiring with a conduit pass through one of the holes o...
Page 11 - -5 CENTRALIZED CONTROL
English 10 Wiring Method (See ‘‘ELECTRIC WIRING WORK’’) (3) Remove the electrical components box lid (4) Add remote control 2 (slave) to the terminal block for remote controller (P 1 , P 2 ) in the electrical components box. (There is no polarity.) (Refer to Fig. 3 and 8-3.) 9-4 COMPUTERISED CONTROL...