Daikin FHY125BJV1- Installation Manual

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...

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...

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 ...

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...

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...

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...

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...

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”...

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...

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 ...

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...

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...

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...

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 ...

English 23 11-3 Malfunciton code • For places 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 code may...

24 English 12. WIRING DIAGRAM (Refer to Fig. 34.35.36.37.38) LC Transmission malfunction between the outdoor control units’ inverters (outdoor) P1 Open-phase or main circuit low voltage (outdoor) P3 PC-board temperature sensor malfunction (outdoor) P4 Heat-radiating fin temperature sensor malfunctio...

English 25 : CONNECTOR 3D027501-1 FH35 • 50 • 60 • 71 • 100 • 125BVE, FH71 • 100 • 125BV1S, FH35 • 45 • 60BJV1, FH35 • 45 • 60BZV1 33A A1P A2P C1R F1U HAP M1A M1F Q1F R1T R2T RyA RyC RyP SS1 X1M X2M CD PC LIMIT SWITCH (SWING FLAP) PRINTED CIRCUIT BOARD PRINTED CIRCUIT BOARD (TRANSFORMER 220-240V/16V...