Daikin VRV IV Series Installatiehandleiding - Pagina 7
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- 1. Safety Considerations
- 2. Codes and Regulations
- 3. Table of Contents
- 4. Before Installation
- 5. Selecting Installation Site
- 6. Preparations before Installation
- 7. Branch Selector Unit Installation
- 8. Refrigerant Piping Work
- 9. Electric Wiring Work
- 10. Initial Setting
- 11. Adding an Additional Charge of Refrigerant
- 12. Check Operation and Test Operation
CAUTION
To prevent video and audio interference, install the Branch Selector unit as well as associated power
wiring and signal transmission lines at least 40 in. (1 m) away from TVs and radios.
However, depending on the reception, interference may result even if a minimum distance of 40 in. (1 m)
is main tained.
3. PREPARATIONS BEFORE INSTALLATION
Refer the Fig. 3 and install the suspension bolts and hanging brackets.
〈Suspension bolts: For supporting the product〉
• Use 3/8 in. (M8) to 7/16 in. (M10) suspension bolts.
• When holes are to be made anew, used embedded inserts and embedded foundation bolts. When holes
are already provided, use hole-in-anchors or the like.
Install the Branch Selector unit so that its weight can be withstood.
〈Hanging bracket: For supporting the connection pipe〉
• Be sure to support the connection piping around the unit using hanging brackets that are kept within
40 in. (1 m) of the body side surface. Hanging excessive weight on the Branch Selector unit hanging
bracket could cause the unit to fall and injure someone.
Unit: in. (mm)
16-7/8 (428)
< Suspension bolt pitch >
4. BRANCH SELECTOR UNIT INSTALLATION
Use only accessories and parts which are of the designated specification when installing.
(1) When necessary, use the following procedure to change the control box mounting. (Refer to Fig. 4.)
1) Remove the control box cover. (2 screws)
2) Remove the control box. (2 screws)
3) Remove the top panel. (4 screws)
4) Remove the coil cover. (1 screw)
5) Change the pull out direction of the wire (motorized valve coil) between the body and the control box.
6) Rotate the coil cover 180 degrees and attach it.
7) Turn the top panel around 180 degrees and attach it.
8) Attach the control box.
9) Attach the control box cover.
(2) Attach the hooks to the suspension bolts.
Be sure to use the nuts (3/8 in. (M8) or 7/16 in. (M10): 3 pcs, 4 loca-
tions) and washers (For 3/8 in. (M8), Outside diameter dimension
15/16 in. (24 mm) to 1-1/8 in. (28 mm), For 7/16 in.(M10): Outside
diameter 1-3/16 in. (30 mm) to 1-5/16 in. (34 mm): 2 pcs, 4 locations)
(field supply) from both the top and bottom sides of the hanging
bracket and make sure they are tightened correctly.
3P405106-10 English
8-5/8 (219)
Hanging
bracket
40 in. (1 m) or less
Note: All the above parts are part to be procured in the field.
Fig. 3
Anchor
Long nut or
turnbuckle
Suspension
bolt
Unit
40 in. (1 m) or less
< Example installation >
Washer
(Field supply)
Hanging
bracket
3/8 – 9/16 in.
(10 – 15 mm)
Nut
(double nut)
(Field supply)
Suspension bolt
(Field supply)
Nut
(Field supply)
Branch
Selector
unit
4