Daikin VRV III REMQ120PBTJ, Инженерные данные

Страница: 107 / 130

EDUS391004-N Installation
Installation of Outdoor Units 107
Tightening torque
The sizes of the shutoff valves on each model and the tightening
torque for each size are listed in the table below.
<Size of Shutoff Valve>
(Refer to figure 28)
1. Service port
2. Cap
3. Hex holes
4. Shaft (valve body)
5. Seal section
To open
1.
Remove the cap and turn the shaft counterclockwise with the
hexagon wrench.
2.
Turn it until the shaft stops.
3.
Make sure to tighten the cap securely.
(For the tightening torque, refer to the item <Tightening Torque>.)
To close
1.
Remove the cap and turn the shaft clockwise with the hexagon
wrench.
2.
Securely tighten the valve until the shaft contacts the main body
seal.
3.
Make sure to tighten the cap securely.
(For the tightening torque, refer to the item <Tightening Torque>.)
<Tightening torque>
[How to Check How Many Units are Connected]
It is possible to find out how many indoor or outdoor unit in the system are turned on by operating the push button on the PC-board (A1P) of outdoor
unit (In case of multi system master unit).
Follow the procedure below to check how many indoor or outdoor units are turned on.
NOTE
Press the “MODE button” (BS1) if you get confused while operating.
This returns to
Setting Mode 1 (H1P : OFF, default).
11-2 Procedure of Adding Refrigerant charging and
check operation
WARNING Electric Shock Warning
• Make sure to close the electrical components box lid before
turning on the power.
• Perform the setting on the PC-board (A1P) of the outdoor unit and
check the LED display after the power is on via the inspection door
which is in the electrical components box lid.
(Refer to figure 29)
1. Electrical components box (1)
2. Inspection door
3. Electrical components box (1) lid
4. LED (H1~8P)
5. Push button (BS1~5)
6. Lift the protruding part to open the inspection door.
• Use an insulated rod to operate the push buttons via the electrical
components box’s inspection door.
There is a risk of electric shock if you touch any live parts, since
this operation must be performed with the power on.
CAUTION
• Make sure to use the protect tool (protective groves and goggles)
when charging the refrigerant.
• Due to a danger of liquid hammer, the refrigerant must not be
charged over the allowable maximum amount when charging the
refrigerant.
• Do not perform the refrigerant charging operation under working
for the Branch Selector and indoor unit.
72P type 96P type 120P type
Liquid pipe
shutoff valve

3/8
The 120P type corresponds to the

1/2 - diameter
onsite piping using the accessory pipe.
Suction gas
shutoff valve

1
The 72 · 96P type corresponds to the

7/8 -
diameter onsite piping using the accessory pipe.
The 120P type corresponds to the

1-1/8 - diameter
onsite piping using the accessory pipe.
HP/LP gas
shutoff valve

3/4
Equalizer
pipe shutoff
valve

3/4
Shutoff
valve size
Tightening torque ft · lbf (Turn clockwise to close)
Shaft (valve body) Cap (valve lid) Service port

3/8 3.98 - 4.87
Hexagonal
wrench 4mm
9.95 - 12.17
8.48 - 10.3

1/2 5.97 - 7.30 13.3 - 16.2

3/4
19.9 - 24.3
Hexagonal
wrench 8mm
16.6 - 20.3

1
(LED display:
h
...OFF
i
...ON
j
...Blinking

...Uncertain)
LED display
H1P H2P H3P H4P H5P H6P H7P
(1) Press the MODE button (BS1) once at Setting Mode 1 (H1P : off), and set the MONITOR
MODE (H1P : Blinking).
j h h h h h h
(2) Press the SET button (BS2) the number of times until the LED
display matches that at right.
For checking the number of
outdoor units : eight times
j h h i h h h
For checking the number of
indoor units : five times
j h h h i h i
(3) Press the RETURN button (BS3) and read the number of units from the display of H2P
through H7P.
[Reading Method]
The display of H2P through H7P should be read as a binary number, with
j
standing for “1”
and
h
standing for “0”.
j
     
j h j h j j h
(4)
Press the MODE button (BS1) once. This returns to Setting Mode 1 (H1P : OFF, default).
h h i h h h h
Ex: For the LED display at right, this would be “0 1 0 1 1 0 ”,
which would mean 22 units are connected.
Note: “000000” indicates 64 units.
32 × 0 + 16 × 1 + 8 × 0 + 4 × 1 + 2 × 1 + 1 × 0 = 22 units
3P215731-11R