Page 2 - English
English 1 1 SAFETY CONSIDERATIONS ........................................................................................ 12 BEFORE INSTALLATION .............................................................................................. 33 SELECTING INSTALLATION SITE ...............................
Page 3 - VRV; II; SYSTEM Air Conditioners; CONTENTS; WARNING
1 BSVQ36MVJUBSVQ60MVJU VRV II SYSTEM Air Conditioners Installation manual CONTENTS 1 SAFETY CONSIDERATIONS ........................................................................................ 12 BEFORE INSTALLATION ....................................................................................
Page 5 - BEFORE INSTALLATION; -1 CAUTION CONCERNING NEW REFRIGERANT SERIES; Do not install or operate the unit in rooms mentioned below.
3 NOTE • Install the indoor and outdoor units, power supply wiring and connecting wires at least 3.5ft. away from televisions or radios in order to prevent image interference or noise. (Depending on the radio waves, a distance of 3.5ft. may not be sufficient enough to eliminate the noise.) • Remote ...
Page 6 - Be sure to read this manual before installing the indoor unit.; Check the following accessories are included with your unit.; CHECK AFTER INSTALLATION IS FINISHED.; Items to be checked after completion of work; Also review the “SAFETY CONSIDERATIONS”; Hand-over check items
4 • Where the air contains high levels of salt such as that near the ocean and where voltage fluctu- ates greatly such as that in factories. Also in vehicles or vessels. • Refer to the installation manual provided with the outdoor and the indoor unit.If installed as a household appliance it could ca...
Page 7 - Capacity of indoor unit; SELECTING INSTALLATION SITE; Where is resistible against weight of BS unit.; NOTE
5 2-4 COMBINATION • For series of applicable indoor units, refer to the technical data or other relevant documents. • Select the BS unit to fit the total capacity of the indoor units to be connected downstream. To calculate the total capacity of the indoor units, use the figure A of the table below....
Page 8 - Caution
6 4. PREPARATIONS BEFORE INSTALLATION (1) Position of suspension bolts on the BS unit. 〈 BSVQ36 · 60MVJU 〉 (2) Install suspension bolts. • Use M8-M10 suspension bolts. • When holes are to be made anew, use inserts or anchor bolts. When holes are already provided, use hole- in anchors or the like. In...
Page 9 - REFRIGERANT PIPING WORK; procedure outlined here.
7 NOTE • Install the BS unit according to the instructions shown on the label attached to the electric parts box. • Clamp securely so the internal wiring does not touch the screws or sheet metal due to looseness. 6. REFRIGERANT PIPING WORK • This section describes how to connect the piping to the BS...
Page 10 - Use a pipe cutter and flare suitable for R410A.
8 NOTE • Use a pipe cutter and flare suitable for R410A. • Use a piping branch kit selected based on the selection procedure for refrigerant branch kits. • See the installation manual for the outdoor unit and other relevant technical documents for details on refrig-erant branch kit selection, maximu...
Page 11 - -1 IN CASE OF CONNECTING ONLY ONE INDOOR UNIT
9 Table 1 Table 2 6-1 IN CASE OF CONNECTING ONLY ONE INDOOR UNIT 6-2 WHEN CONNECTING MULTIPLE INDOOR UNITS Pipe gauge (in.) Tightening torque (ft-lbf) Flare dimension A (in.) Flare shape (in.) 1/4’’ 10.5 – 12.7 0.343 – 0.358 3/8’’ 24.1 – 29.4 0.504 – 0.520 1/2’’ 36.5 – 44.5 0.638 – 0.654 5/8’’ 45.6 ...
Page 12 - -3 SELECTOIN OF PIPE CONNECTION SIZE; Table 3 ; -4 PIPING CONNECTION; ELECTRIC WIRING WORK; -1 GENERAL INSTRUCTIONS; Use copper wire only.
10 6-3 SELECTOIN OF PIPE CONNECTION SIZE Table 3 <Indoor and BS Unit Connection Piping Sizes> Note: The piping size for the BS unit indicates the size of the connection side with the indoor unit. Table 4 < Selection of Piping Size Based on Total Capacity of Indoor Unit > See the section ...
Page 13 - -2 EXAMPLE FOR THE WHOLE SYSTEM; See the technical documents for other details.; -4 SPECIFICATIONS FOR FIELD SUPPLIED FUSES AND WIRE; Allowable length of the transmission wiring should be as follows.
11 • Do not let the ground wire come in contact with gas pipes, water pipes, lightning rods, or telephone ground wires. • Gas pipes: gas leaks can cause explosions and fire. • Water pipes: cannot be grounded if hard vinyl pipes are used. • Telephone ground wires and lightning rods: the ground potent...
Page 14 - -5 GIST OF FIELD LINE CONNECTION
12 7-5 GIST OF FIELD LINE CONNECTION • Remove the side cover of the electric parts box shown in the figure below and connect each wire. NOTE • Keep transmission wiring a minimum of 5’’ from other electric wires so as to avoid the effects of external noise. (Bundle transmission wiring separate of oth...
Page 15 - EXAMPLE OF TRANSMISSION LINE CONNECTION
13 2. Do not connect wires of different gauge to the same grounding terminal. Looseness in the connection may deteriorate protection. 3. Keep transmission wiring at least 5’’ away from power supply wiring. The equipment may malfunction if subjected to electrical (external) noise. 4. For remote contr...
Page 16 - After finishing wiring work, set the followings if necessary.; Field setting mode; ”. Make settings as explained in; “Field setting”; (provided with the remote
14 7-6 INITIAL SETTING After finishing wiring work, set the followings if necessary. 1. COOL/HEAT temperature difference setting switch (Set indoor unit remote controller to field setting mode.)• Use to change the temperature difference upon occurence of which to start cooling and heating in the aut...