Daikin FXMQ36MVJU- Installation Manual

Page 3 - CONTENTS; Improper connections or installation may result in fire.

2 VRV SYSTEM Inverter Air Conditioners Installation manual CONTENTS 1. SAFETY CONSIDERATIONS ......................................... 22. BEFORE INSTALLATION ............................................... 3 FXMQ30/36/48MVJU 3.SELECTING INSTALLATION SITE ................................ 44. PREPARA...

Page 4 - BEFORE INSTALLATION; NOTE

3 • Do not install the air conditioner in the following loca-tions: (a) where a mineral oil mist or an oil spray or vapor is pro-duced, for example in a kitchen Plastic parts may deteriorate and fall off or result in water leakage.(b) where corrosive gas, such as sulfurous acid gas, is pro-duced Cor...

Page 5 - a. Items to be checked after completion of work; NOTE TO INSTALLER; SELECTING INSTALLATION SITE

4 FXMQ30MVJU FXMQ48MVJUFXMQ36MVJU 2-1 ACCESSORIES Check the following accessories are included with your unit. 2-2 OPTIONAL ACCESSORIES Table 1 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. ...

Page 6 - Installing optional accessories before installing the indoor

5 (2) Use suspension bolts for installation. Check whether the ceiling is strong enough to support the weight of the unit or not. If there is a risk, reinforce the ceiling before installing the unit. 4. PREPARATIONS BEFORE INSTALLA- TION (1) Relative positions of indoor unit and suspension bolt. (Re...

Page 7 - REFRIGERANT PIPING WORK; GENERAL INSTRUCTIONS; Connecting the refrigerant piping; Piping insulation; CAUTION

6 6. REFRIGERANT PIPING WORK 6-1 GENERAL INSTRUCTIONS • For refrigerant piping of outdoor units, see the installation manual attached to the outdoor unit. • Before refrigerant piping work, check which type of refriger- ant is used. Proper operation is not possible if the types of refrigerant are not...

Page 8 - Brazing referigerant piping; ELECTRIC WIRING WORK

7 6-4 Brazing referigerant piping • Before brazing local refrigerant piping, nitrogen gas shall be blown through the piping to expel air from the piping.If your brazing is done without nitrogen gas blowing, a large amount of oxide film develops inside the piping, and could cause system malfunction. ...

Page 9 - WIRING EXAMPLE AND HOW TO SET; HOW TO CONNECT WIRINGS; Tightening torque for the terminal screws.

8 • Gas pipes : might cause explosions or fire if gas leaks.• Water pipes : no grounding effect if hard vinyl piping is used. • Telephone ground wires or lightning rods : might cause abnormally high electric potential in the ground during lighting storms. 8-2 ELECTRICAL CHARACTERISTICS MCA: Min. Cir...

Page 11 - -2 OPTIONAL ACCESSORIES; -3 NOTE TO THE INSTALLER

10 FXSQ12MVJU FXSQ24MVJU FXSQ36MVJU FXSQ18MVJU FXSQ30MVJU FXSQ48MVJU 2-1 2-1 ACCESSORIES Check the following accessories are included with your unit. • Screws for fixing panels are attached to decoration panel. 2-2 OPTIONAL ACCESSORIES • Parts listed on the below table are required with this indoor ...

Page 13 - • If higher or lower external static pressure is required,; INDOOR UNIT INSTALLATION; Installing optional accessories (except for the decoration; • Attach the hanger bracket

12 (2) The fan speed for this indoor unit is preset to provide standard external static pressure. • If higher or lower external static pressure is required, reposition the adapter for the PC board. Refer to “9. WIR-ING EXAMPLE AND HOW TO SET THE REMOTE CON-TROLLER”. (3) Install the suspension bolts....

Page 15 - PRECAUTIONS FOR DRAIN RAISING PIPING; HOW TO INSTALL PIPING

14 6-3 Piping insulation • 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 a heat pump, the temperature of the gas piping can reach up to approximately 250°F, so use insulation which is suffi...

Page 16 - [ WHEN ELECTRIC WIRING WORK IS FINISHED ]; • Be careful when doing so because the fan is turning at; -1 GENERAL INSTRUCTIONS

15 • If converging multiple drain pipes, install according to the procedure shown below. Select converging drain pipes whose gauge is suitable for the operating capacity of the unit. NOTE • Drain piping connections Do not connect the drain piping directly to sewage pipes that smell of ammonia. The a...

Page 18 - -1 HOW TO CONNECT WIRINGS

17 9. WIRING EXAMPLE AND HOW TO SET THE REMOTE CONTROLLER 9-1 HOW TO CONNECT WIRINGS • Lower the electric parts box, as shown in the drawing, to make connections. NOTE • After wiring, adhere the sealing material (1 3/8” × 5 7/8”) around the wires as shown below. [Be sure to adhere it to avoid water ...

Page 19 - • According to the system static pressure requirement, reposi-; • The unit is factory set for standard static pressure (X4A) at

18 9-2 SETTING OF STATIC PRESSURE CHANGEOVER CONNECTOR • According to the system static pressure requirement, reposi- tion the adaptors of PC board inside the electric parts box as shown in the below drawings. NOTE • The unit is factory set for standard static pressure (X4A) at the time of shipping.

Page 20 - COMMON ITEM; COMPLETE SYSTEM EXAMPLE; Wiring Method

19 COMMON ITEM 9-3 WIRING EXAMPLE • Fit the power supply wiring of each unit with a switch and fuse as shown in the drawing. COMPLETE SYSTEM EXAMPLE 1. When using 1 remote controller for 1 indoor unit. (Nor- mal operation) 2. For group control or use with 2 remote controllers NOTE 1. A single switch...

Page 21 - -6 CENTRALIZED CONTROL; Make sure the terminal box lids are closed on the indoor

20 9-5 COMPUTERISED CONTROL (FORCED OFF AND ON/OFF OPERATION) (1) Wire specifications and how to perform wiring • Connect the input from outside to terminals T1 and T2 of the terminal block for remote controller. (2) Actuation • The following table explains FORCED OFF and ON/OFF OPERATIONS in respon...

Daikin FXMQ36MVJU- Installation Manual

Table of Contents:

Summary

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