Page 2 - CONTENTS; WARNING
English 1 FVQ71CVEBFVQ100CVEBFVQ125CVEBFVQ140CVEB SPLIT SYSTEM Air Conditioner Installation manual CONTENTS 1. SAFETY PRECAUTIONS .....................................................................................1 2. BEFORE INSTALLATION ...............................................................
Page 3 - CAUTION
2 English • Be sure to use only the specified accessories and parts for installation work. Failure to use the specified parts may result in the unit falling, water leakage, electric shocks or fire. • Install the air conditioner on a foundation strong enough to withstand the weight of the unit. If a ...
Page 4 - BEFORE INSTALLATION; Check the following accessories are included with the unit.
English 3 2. BEFORE INSTALLATION Do not exert pressure on the resin parts when opening the unit or when moving it after opening.Be sure to check in advance that the refrigerant to be used for installation is R410A. (If a wrong refrigerant is charged, the unit will not properly operate) • For the ins...
Page 5 - -3 OPTIONAL ACCESSORIES; NOTE
4 English 2-3 OPTIONAL ACCESSORIES • The optional remote controller is required for this indoor unit. • Select a remote controller from Table 1 according to customer request and install in an appropriate place.(For installation, follow the installation manual included with the remote controllers.) T...
Page 6 - -4 NOTE TO THE INSTALLER; SELECTING INSTALLATION SITE; Since the items with
English 5 2. Items to be checked at time of delivery to customer. * Also review the ‘‘1. SAFETY PRECAUTIONS’’ Points for explanation about operations 2-4 NOTE TO THE INSTALLER Be sure to instruct customers how to properly operate (especially cleaning filters, operating different functions, and adjus...
Page 7 - English; INDOOR UNIT INSTALLATION; Fixing procedure
6 English (3) Investigate whether the installation location (such as the floor and wall) can withstand the weight of the unit and, if necessary, reinforce the location with such as beams before installation. To avoid vibration and abnormal noise, reinforce the location before installation. 4. INDOOR...
Page 8 - Remove the cushion materials of the fan.; Fixing screw
English 7 3. For normal installation. Remove the screw (2) fixing the bracket for installation (1) to the top panel. Change the mounting direction of the bracket as shown in the figure below and fix it to the top panel with the attached screws (12). Then, fix the bracket to the wall with the appropr...
Page 9 - REFRIGERANT PIPING WORK
8 English 〈 How to attach dew proof material (only when connected with the RZQSG71L) 〉 • To make the work easy, set the upper 5 horizontal flaps upward and the lower 3 flaps downward. Then, attach the provided dew proof material (10) to the third horizontal flap from the bottom as shown in Fig.8. If...
Page 11 - Bottom frame
10 English 1. How to carry out refrigerant piping. • Detach the pipe retainer. (Refer to Fig. 12) 〈 In case of left or right piping 〉 1. Open the knock out holes on the right (left) side panel. (Refer to Fig. 11) 2. Carry out piping (refrigerant and drain) and wiring (connecting outdoor and indoor u...
Page 12 - • Do not braze inside the unit.
English 11 • After the refrigerant piping and electrical wiring work is completed, hold the refrigerant piping, the indoor unit drain hose, the wiring connecting the indoor and outdoor units and the earth wire with the piping retainer plate (Refer to Fig. 12) . During this work the refrigerant pipin...
Page 13 - at the following two places.
12 English • Braze the refrigerant piping only after having nitrogen flow through the pipe and substituting nitrogen for air (Refer to Fig. 17) . Once this is completed, connect the indoor unit with flares (Refer to Fig. 13) . 1. When brazing after having nitrogen flow through the pipe and substitut...
Page 14 - does not leak from connections.; * If water is poured too fast or if; • Drain piping connections; WHEN THE OPTIONAL REMOTE CONTROLLER (BRC1E model) IS USED; board with the screwdriver.; Upper case
English 13 (2) At the connection between the indoor unit drain hose and the field drain piping. 2. After the piping work is finished, check that drainage flows smoothly and the water does not leak from connections. • Carefully pour approximately 1 litre of water through the air discharge outlet so t...
Page 16 - Lower case assy
English 15 4) Fit and install the upper case in the lower case while aligning the tabs (6 positions) with the lower case. • Be careful so that the wiring may not be caught. • Remove the protection sheet attached to the upper case. 2. Remove the front panel, and then remove the back plate attached to...
Page 17 - notch with the rib of the front panel.; Fix the control panel on the back side of the front panel.
16 English NOTE • If the grille fixture comes off while removing the front panel, attach the grille fixture as shown below.1. Install the grille fixture while aligning its notch with the rib of the front panel. 2. Lower the grille fixture. 3. Fix the control panel on the back side of the front panel...
Page 18 - Return the front panel to its original installation position.; ELECTRIC WIRING WORK; -1 GENERAL INSTRUCTIONS; Gas pipes: might cause explosions or fire if gas leaks.; Low voltage wires
English 17 5. Return the front panel to its original installation position. 6. Remove the control box lid, and then connect the remote controller wiring to terminals P1 and P2 (no polarity) of the terminal block (X1M). 8. ELECTRIC WIRING WORK 8-1 GENERAL INSTRUCTIONS • Electric wiring work must be c...
Page 19 - -2 SPECIFICATIONS FOR FIELD WIRE; HOW TO CONNECT WIRINGS AND WIRING EXAMPLE; -1 HOW TO CONNECT WIRINGS
18 English 8-2 SPECIFICATIONS FOR FIELD WIRE For the wiring of the outdoor unit, refer to the installation manual attached to the outdoor unit.Remote controller and transmission wiring are field supplied. (Refer to Table 4) Wiring specifications are shown on the condition that the wiring has a volta...
Page 20 - controller wiring; • Detach the control box lid and pipe retainer as shown in the
English 19 〈 Connecting methods of wiring between indoor and outdoor units, earth wiring, and remote controller wiring 〉 • Detach the control box lid and pipe retainer as shown in the Fig. 29 and connect the wires of matching numbers to the terminal block (X2M: 3P) on the right side of the unit. Con...
Page 21 - : 1 remote controller controls up to 16 indoor units; • 2 remote controllers control; : 2 remote controllers control 1 indoor unit.; Table 5; GOOD; Main power supply; Pair type
20 English • If the terminal screws are tightened too hard, screws might be damaged. • The tightening torque of each terminal screw is shown in the Table 5. • When a stranded wire is used, do not perform solder finishing. 9-2 WIRING EXAMPLE CAUTION Be sure to install an earth leakage breaker to the ...
Page 22 - When implementing group control; Group control
English 21 When implementing group control • When using as a pair unit, you may carry out simultaneous start/stop (group) control up to 16 units with the remote controller. (Refer to Fig. 36) • In this case, all the indoor units in the group will operate in accordance with the group control remote c...
Page 23 - remote controllers control
22 English Two remote controllers control (Controlling 1 indoor unit by 2 remote controllers) • When using 2 remote controllers, one must be set to “MAIN” and the other to “SUB”. MAIN/SUB CHANGEOVER • If BRC1E type remote controller is used, see the manual attached to the remote controller.If the re...
Page 24 - INSTALLATION OF SUCTION GRILLE
English 23 10. INSTALLATION OF SUCTION GRILLE 1. Hook the suction grille on the groove on the unit’s bottom frame in the order of (1) → (2). (Refer to Fig. 40) 2. Fit the grille stopper (front panel) into the groove on the suction grille and lock the grille down in its original place by screw. (Refe...
Page 25 - 1-1 SETTING AIR FILTER SIGN
24 English 11. FIELD SETTING 〈 Complete all the “1. Items to be checked after completion of work” on page 4. 〉 • Make sure that the installation and wiring work for the indoor and outdoor units is all completed.• Make sure that the following items are all closed: the control box lid of the indoor un...
Page 26 - Once
English 25 11-3 SETTING AIRFLOW RATE INCREASE MODE (71 · 100 class) • The set airflow rate (HH, H, and L) can be increased depending on the installation condition or customer’s request. In such a case, switch the SECOND CODE NO. as shown in Table 8. Table 8 12. TEST OPERATION 〈 Complete all the “1. ...
Page 27 - 2-1 HOW TO DIAGNOSE FOR PROBLEMS; 2-2 MALFUNCTION CODE; AF
26 English 12-1 HOW TO DIAGNOSE FOR PROBLEMS With the power on. Troubles can be monitored on the remote controller. The fault diagnosis for the BRC1E model remote controller should be performed while referring to the installation manual supplied with the remote controller. For the other remote contr...
Page 28 - CJ; EA
English 27 CJ Remote controller air thermistor malfunction Remote controller thermo does not function, but body thermo operation is enabled. E0 Action of safety device (Outdoor unit) E1 Outdoor printed circuit board failure (Outdoor unit) E3 High pressure malfunction (Outdoor unit) E4 Low pressure m...
Page 30 - TO OUTDOOR UNIT; To test operation Contractors
English 29 CAUTION • Refer to “2. Items to be checked at time of delivery to customer.” on page 5 upon completion of the testoperation and make sure that all the items are checked. • If the customer’s interior work is not finished on completion of the test operation, tell the customer not tooperate ...
Page 31 - WIRING DIA
30 English NO TES 1. : TERMINAL BLOCK : CONNECT OR WIRING DIA GRAM FVQ71 · 100 · 125 · 140CVEB 3D073234-1B 2. : FIELD WIRING FOR THE DET AIL, SEE WIRING DIA GRAM A TT A CHED T O OUTDOOR UINIT . 3. IN CASE USING CENTRAL REMO TE CONTR OLLER, CONNECT IT T O THE UNIT IN A CCORD ANCE WITH THE A TT A CHED...