Page 3 - CONTENTS; WARNING
English 1 FHQ35BVV1BFHQ50BVV1BFHQ60BVV1B FHQ71BVV1BFHQ100BVV1BFHQ125BVV1B FHQ35BWV1BFHQ50BWV1BFHQ60BWV1B SPLIT SYSTEM Air Conditioner Installation manual CONTENTS 1. SAFETY PRECAUTIONS............................................................................................... 1 2. BEFORE INSTALLA...
Page 4 - 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 5 - BEFORE INSTALLATION; Check the following accessories are included with your unit.; -2 OPTIONAL ACCESSORIES
English 3 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 swing flap, the refrigerant piping, drain piping, and other resin parts. • Be sure to chec...
Page 6 - -3 NOTE TO THE INSTALLER
4 English NOTE • If you wish to use a remote controller that is not listed in “Table 1” on page 3, select a suitable remote con-troller after consulting catalogs and technical materials. FOR THE FOLLOWING ITEMS, TAKE SPECIAL CARE DURING CONSTRUCTION AND CHECK AFTER INSTALLATION IS FINISHED. a. Items...
Page 7 - SELECTING INSTALLATION SITE; NOTE
English 5 3. SELECTING INSTALLATION SITE (1) Select an installation site where the following conditions are fulfilled and that meets your cus- tomer’s approval.• Where optimum air distribution can be ensured. • Where nothing blocks air passage. • Where condensate can be properly drained. • Where the...
Page 8 - English; PREPARATIONS BEFORE INSTALLATION; Refer to the paper pattern for installation.; Top gas piping hole; False ceiling view; Rear side piping hole; Front view; Accessories
6 English 4. PREPARATIONS BEFORE INSTALLATION (1) Relation of holes for indoor unit, suspension bolt position, piping and wiring. (2) Make holes for suspension bolts, refrigerant and drain piping, and wiring. • Refer to the paper pattern for installation. • Select the location for each of holes and ...
Page 10 - INDOOR UNIT INSTALLATION
8 English 5. INDOOR UNIT INSTALLATION It may be easier to attach accessory parts before installing the indoor unit. Therefore, please also read the instruction manuals which are provided with the accessory parts. As for the parts to be used for installation work, be sure to use the provided accessor...
Page 11 - REFRIGERANT PIPING WORK; Coat here with ester or ether oil.; Type of refrigerant
English 9 6. REFRIGERANT PIPING WORK 〈 For refrigerant piping of outdoor units, see the installation manual attached to the outdoor unit. 〉 〈 Execute heat insulation work completely on both sides of the gas piping and the liquid piping. Otherwise, a water leakage can result sometimes. 〉 ( When using...
Page 12 - Not recommendable but in case of emergency; Pipe size
10 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 mayfollow 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 14 - Top plate
12 English (1) For piping facing back. • Remove the rear penetration lid and set the piping. (Refer to Fig. 14.16) (2) For piping facing up. • When setting the piping to face up, the L-shaped branch piping kit sold separately is required. • Removing the top penetration lid and use the L-shaped branc...
Page 15 - Water accumulating in the drain piping can cause the drain to clog.; Left-facing drain piping; Good
English 13 7. DRAIN PIPING WORK (1) Carry out the drain piping. • Make sure piping provides proper drainage. • You can select whether to bring the drain piping our from the rear right, right, rear left, or left. For rear right-facing and right-facing situations, refer to “6. REFRIGERANT PIPING WORK”...
Page 16 - Wrong; Air outlet
14 English • Insulate the clamp bracket and drain hose from the bottom using the included sealing pad (8). (Refer to Fig. 21) • Be sure to insulate all drain piping running indoors. • Do not allow any slack to gather in the drain hose inside the indoor unit. (Refer to Fig. 22) (Slack in the drain ho...
Page 17 - Confirm the system type.; : 2 remote controllers control 1 indoor unit.; Simultaneous operation system
English 15 8. WIRING EXAMPLE For the wiring of outdoor units, refer to the installation manual attached to the outdoor units. Confirm the system type. • Pair or Multi system : 1 remote controller controls 1 indoor unit. (standard system) (Refer to Fig. 23) • Simultaneous operation system : 1 remote ...
Page 18 - ELECTRIC WIRING WORK; • Specifications for field wire
16 English NOTE 1. All transmission wiring except for the remote controller wires is polarized and must match the terminal symbol. 2. In case of group control, perform the remote controller wiring to the master unit when connecting to the simultaneous operation system. (wiring to the slave unit is u...
Page 19 - Attaching the suction grille and the dressing boards
English 17 Connection of wiring between units and for the remote control cord (Refer to Fig. 27) • Wiring between unitsHolding the control box lid, loosen the two securing screws, remove the control box lid, match up the phases on the power source terminal block inside (3P), and make the connections...
Page 22 - When using wireless remote controllers; 0-5 Simultaneous operation system individual setting; Procedure; 0-6 When implementing group control; Wiring Method
20 English When using wireless remote controllers • When using wireless remote controllers, wireless remote controller address setting is necessary. Refer to the installation manual attached to the wireless remote controller for setting instructions. 10-5 Simultaneous operation system individual set...
Page 24 - 1-2 HOW TO DIAGNOSE FOR MALFUNCTION
22 English PRECAUTIONS 1. Refer to “11-2 HOW TO DIAGNOSE FOR MALFUNCTION” if the unit does not operate properly. 2. After completing the test run, press the INSPECTION/TEST OPERATION run button once to put the unit in inspection mode, and make sure the malfunction code is “00”. (=normal)If the code ...
Page 25 - 1-3 Malfunciton code list; AF
English 23 11-3 Malfunciton code list • For plases where the Malfunction code is left blank, the “ ” indication is not displayed. Though the system continues operating, be sure to inspect the system and make repairs as necessary. • Depending on the type of indoor or outdoor unit, the Malfunction cod...
Page 28 - WIRING DIAGRAM
26 English 3D074574-1 FHQ35 • 50 • 60 BVV1B, FHQ35 • 50 • 60BWV1B : CONNECTOR DISCRIMINATION COLOUR FOR COMPONENTS. : CONNECTOR COLOUR FOR COMPONENTS. : CONNECTOR COLOUR FOR PRINTED CIRCUIT BOARD. 2. : FIELD WIRING 3. IN CASE OF SIMULTANEOUS OPERATION INDOOR UNIT SYSTEM, SEE THE INDOOR UNIT WIRING O...