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<Tightening torque>
Tightening torque N·m (Turn clockwise to close)
Shutoff
valve size
Shaft (valve body)
φ 9.5
5.4 - 6.6
Hexagonal
wrench
φ 12.7
8.1 - 9.9
4 mm
Hexagonal
φ 15.9
13.5 - 16.5
wrench
6 mm
φ 19.1
Hexagonal
27.0 - 33.0
wrench
φ 25.4
8 mm
(Refer to figure 34)
1. Service port
2. Cap
3. Hex holes
4. Shaft (valve body)
5. Seal section
[To connect R22 indoor unit]
To connect an indoor unit compatible with R22, the following setting is required (R410 is default set at the factory).
It is impossible to connect combination of R410 unit and R22 unit. (For K type and following versions, connection of R22 indoor unit is possible.)
h
(LED display:
...OFF
From Setting Mode 1 (LED1: Lights off)
(1) Hold down the MODE button (BS1) for 5 seconds. LED1 lights on.
(2) Press the SET button (BS2) 62 times. Confirm LEDs display as right in this table.
(3) Press the RETURN button (BS3) once. LED7 blinks.
(4) Press the SET button (BS2)once, and adjust the setting value. Set to 2 from 1.
(5) Press the RETURN button (BS3). Blinking LEDs change to light on.
(6) Press the RETURN button (BS3) again. The setting is changed.
(7) Press the MODE button (BS1) once to exit out of Setting Mode. Exits Setting Mode and
returns to Normal Mode.
Note
Press the MODE button (BS1) if you get confused while operating. This returns to Setting Mode 1 (default).
[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 out-
door unit (In case of multi system master unit).
Follow the procedure below to check how many indoor or outdoor units are turned on.
h
(LED display:
...OFF
(1) Press the MODE button (BS1) once, and set the MONITOR MODE (H1P: Blinking).
(2) Press the SET button (BS2) the number of times until the
LED display matches that at right.
(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
h
for "1" and
standing for "0".
Ex: For the LED display at right, this would be "0 1 0 1 1 0 ",
which would mean 22 units are connected.
32 × 0 + 16 × 1 + 8 × 0 + 4 × 1 + 2 × 1 + 1 × 0 = 22 units
Note: "000000" indicates 64 units.
(4) Press the MODE button (BS1) once. This returns to Setting Mode 1 (default).
Note
Press the MODE button (BS1) if you get confused while operating. This returns to Setting Mode 1 (default).
English
Cap
Service port
(valve lid)
13.5 - 16.5
18.0 - 22.0
11.5 - 13.9
22.5 - 27.5
∗
i
j
...ON
...Blinking
...Uncertain)
∗
i
j
...ON
...Blinking
...Uncertain)
For checking the number of
outdoor units: eight times
For checking the number of
indoor units: five times
[To open]
1.
Remove the cap and turn the shaft counterclockwise with the
hexagon wrench (JISB4648).
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 (JISB4648).
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>.)
H1P
H2P
H3P
∗
h
∗
i
i
i
i
h
i
h
i
h
i
h
∗
h
H1P
H2P
H3P
j
h
j
h
j
h
∗
j
j
h
h
h
LED display
H4P
H5P
H6P
H7P
i
h
h
h
h
h
h
h
h
h
i
i
i
i
h
h
h
h
h
j
h
h
h
j
h
h
h
h
i
h
h
h
h
h
h
i
h
h
h
h
LED display
H4P
H5P
H6P
H7P
h
h
h
h
h
h
i
h
h
h
h
h
i
h
i
∗
∗
∗
∗
∗
j
h
j
j
h
i
h
h
h
h
14
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