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; NOTE
2 English • Do not install the air conditioner in the following locations: 1. Where there is a high concentration of mineral oil spray or vapour (e.g. a kitchen).Plastic parts will deteriorate, parts may fall off and water leakage could result. 2. Where corrosive gas, such as sulphurous acid gas, is...
Page 5 - NOTE TO THE INSTALLER; SELECTING INSTALLATION SITE; CAUTION; Base
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 - English; (1) Positioning of holes for fastening to the wall; that lock the knobs in position.; INDOOR UNIT INSTALLATION; (2) If the unit is in danger of falling over, either fasten to the; By a state of the wall, operating sound may become bigger.; FXNQ; more; A or more; (IMPORTANT) Leave sufficient clearance for air inlet; Model
4 English 4. PREPARATIONS BEFORE INSTALLA-TION (1) Positioning of holes for fastening to the wall (2) How to open / close the front panel 1. Open the lid of control panel (both left and right)2. Remove screws (both left and right) that lock the knobs in position. 3. Push the knobs (both left and rig...
Page 7 - REFRIGERANT PIPING WORK
English 5 (4) Use the following procedure to mount the remote con- troller (optional accessory) on the unit is so desired. (FXLQ type only) • Open the left side lid of control panel and mount the lower case on the remote controller. NOTE See the accessory instruction procedure for instructions on sc...
Page 8 - DRAIN PIPING WORK; Rig the drain pipe as shown below and take measures
6 English CAUTION CAUTION TO BE TAKEN WHEN BRAZING REFRIGER-ANT PIPING Do not use flux when brazing refrigerant piping. Therefore, use the phosphor copper brazing filler metal (BCuP-2: JIS Z 3264/B-Cu93P-710/795: ISO 3677) which does not require flux.(Flux has extremely harmful influence on refriger...
Page 9 - ELECTRIC WIRING WORK; GENERAL INSTRUCTIONS; HOW TO CONNECT WIRINGS; Electric parts box
English 7 CAUTION • Drain piping connections Do not connect the drain piping directly to sewage pipes that smell of ammonia. The ammonia in the sewage might enter the indoor unit through the drain pipes and corrode the heat exchanger. • Keep in mind that it will become the cause of getting drain pip...
Page 10 - Terminal; Electric wire
8 English • If wiring from the piping side, wire as shown in the figure below. CAUTION • Be sure to attach the sealing material or putty (field supplied) to hole of wiring to prevent the infiltration of water as well as any insects and other small creatures from outside. Other-wise a short-circuit m...
Page 11 - WIRING EXAMPLE; For group control or use with 2 remote controllers
English 9 9-2 WIRING EXAMPLE • Fit the power supply wiring of each unit with a switch and fuse as shown in the drawing. COMPLETE SYSTEM EXAMPLE (3 SYSTEMS) 1. When using 1 remote controller for 1 indoor unit. (Nor- mal operation) 2. For group control or use with 2 remote controllers 3. When includin...
Page 12 - CENTRALIZED CONTROL; Input A; FIELD SET MODE
10 English Wiring Method (See ‘‘ELECTRIC WIRING WORK’’) (3) Remove the electric parts box lid (4) Add remote control 2 (slave) to the terminal block for remote controller (P 1 , P 2 ) in the terminal box. (There is no polarity.) (Refer to Fig. 2 and 8-3.) 9-4 COMPUTERISED CONTROL (FORCED OFF AND ON/...