Page 3 - Safety Precaution
English 1 VRV SYSTEM Inverter Air Conditioners Installation manual CONTENTS 1. SAFETY PRECAUTIONS ................................................ 1 2. BEFORE INSTALLATION ................................................ 2 3. SELECTING INSTALLATION SITE ................................. 3 4. PREPARA...
Page 4 - BEFORE INSTALLATION; PRECAUTIONS; Check the following accessories are included with your unit.; OPTIONAL ACCESSORIES; NOTE; screws
2 English 4. Where flammable gas may leak, where there is carbon fibre or ignitable dust suspensions in the air, or where vol-atile flammables such as paint thinner or gasoline are handled.Operating the unit in such conditions may result in fire. • The air conditioner is not intended for use in a po...
Page 5 - NOTE TO THE INSTALLER; SELECTING INSTALLATION SITE; CAUTION; PREPARATIONS BEFORE INSTALLATION; or more
English 3 FOR THE FOLLOWING ITEMS, TAKE SPECIAL CARE DURING CONSTRUCTION AND CHECK AFTER INSTALLATION IS FINISHED. a. Items to be checked after completion of work b. Items to be checked at time of delivery Also review the “SAFETY PRECAUTIONS” c. Points for explanation about operations 2-4 NOTE TO TH...
Page 6 - INDOOR UNIT INSTALLATION; REFRIGERANT PIPING WORK; For refrigerant piping of outdoor units, see the installation
4 English (2) Open a hole in the ceiling for installation. (Case of existing ceiling)• Use the paper pattern for installation which has been adjusted to the dimensions of the ceiling opening. • Open a hole in the ceiling for installation at the place the unit is to be installed, and run refrigerant ...
Page 8 - DRAIN PIPING WORK
6 English Not recommendable but in case of emergency You must use a torque wrench but if you are obliged to install the unit without a torque wrench, you may follow the installation method mentioned below. After the work is finished, make sure to check that there is no gas leak. When you keep on tig...
Page 9 - ELECTRIC WIRING WORK; GENERAL INSTRUCTIONS; HOW TO CONNECT WIRINGS; L N
English 7 Be sure attach the electric parts box lid before turning on the powe. Next, press the inspection/test operation button “ ” on the remote controller. The unit will engage the test operation mode. Press the operation mode selector button “ ” until selecting FAN OPERATION “ ”. Then, press the...
Page 11 - English; HIGH CEILING INSTALLATION; Match with setting of; WIRING EXAMPLE; • Fit the power supply wiring of each unit with a switch and fuse; For group control or use with 2 remote controllers
English 9 9-2 HIGH CEILING INSTALLATION (1) This unit can be installed in ceilings up to 3.8 meters high. If the ceiling height exceeds 2.7 meters, however, connect the connector on the terminal board (A2P) of indoor units as shown in the figure below. (2) Match with setting of (1) and apply air out...
Page 12 - CENTRALIZED CONTROL
10 English 3. When including BS unit [ PRECAUTIONS ] 1. A single switch can be used to supply power to units on the same system. However, branch switches and branch circuit breakers must be selected carefully. 2. Do not ground the equipment on gas pipes, water pipes or lightning rods, or crossground...
Page 13 - DECORATION PANEL INSTALLATION; Refer to the installation manual of the panels.; CLAMP MATERIAL
English 11 10. DECORATION PANEL INSTALLATION Refer to the installation manual of the panels. [ PRECAUTIONS ] • SWING FLAP MOTOR WIRING METHOD (1) CONNECT TWO LEAD WIRES OF SWING FLAP MOTOR MOUNTED ON THE DECORATION PANEL TO THE CON-NECTORS OF MAIN BODY. (2) SLIDE THE INSULATION TUBE ACCORDING TO THE...