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Installation manual
22
REYQ8~16P8Y1B
VRVIII System air conditioner
4PW39996-1A
Setting the mode
The set mode can be changed with the
button according
to the following procedure:
■
For setting mode 1: Press the
button once, the
H1P LED is off
x
. This mode is not available for heat recovery
units.
■
For setting mode 2: Press the
button for
5 seconds, the H1P LED is on
w
.
If the H1P LED is blinking
c
and the
button is pushed
once, the setting mode will change to setting mode 1.
Setting mode 2
The H1P LED is on.
Setting procedure
1
Push the
button according to the required function
(A~H). The LED indication that matches the required function is
shown below in the field marked
:
2
When the
button is pushed, the current setting is
defined.
3
Push the
button according to the required setting
possibility as shown below in the field marked
.
3.1 Possible settings for function A, B, F, and G are
(ON) or
(OFF).
3.2 Possible settings for function C
The noise of level 3 < level 2 < level 1 (
).
3.3 Possible settings for function D and E
For function D
(
)
only: the noise of level 3 < level 2
< level 1 (
).
For function E
(
)
only: the power consumption of
level 1< level 2 < level 3 (
).
3.4 Possible settings for function H
The evaporating temperature level H (high) < level M (medium)
< level L (low) (
).
4
Push the
button and the setting is defined.
5
When the
button is pushed again, the operation
starts according to the setting.
Refer to the service manual for more details and for other settings.
Confirmation of the set mode
The following items can be confirmed by setting mode 1 (H1P
LED is off)
Check the LED indication in the field marked
.
1
Indication of the present operation state
-
x
, normal
-
w
, abnormal
-
c
, under preparation or under test operation
2
Indication of low noise operation state
-
x
standard operation (= factory setting)
-
w
operation
3
Indication of power consumption limitation setting
-
x
standard operation (= factory setting)
-
w
operation
NOTE
If you get confused in the middle of the setting
process, push the
button. Then it returns to
setting mode 1 (H1P LED is off).
Possible functions
A
additional refrigerant charging operation.
B
refrigerant recovery operation/vacuuming operation.
C
automatic low noise operation setting at nighttime.
D
low noise operation level setting (
) via the external
control adapter.
E
power consumption limitation setting (
) via the external
control adapter.
F
enabling function of the low noise operation level setting
(
) and/or power consumption limitation setting
(
) via the external control adapter (DTA104A61/62).
G
high static pressure setting
H
evaporating temperature setting
H1P
H2P
H3P
H4P
H5P
H6P
H7P
A
w x w x w x
x
B
w x w x w x w
C
w x w x w w x
D
w x w w x
x w
E
w x w w w w x
F
w x
x w w x
x
G
w x w x
x w x
H
w x
x w x
x
x
H1P
H2P
H3P
H4P
H5P
H6P
H7P
w x
x
x
x c x
(a)
(a) This setting = factory setting
w x
x
x
x
x c
BS1 MODE
BS1 MODE
BS1 MODE
BS1 MODE
BS1 MODE
BS2 SET
L.N.O.P
DEMAND
L.N.O.P
DEMAND
BS3 RETURN
BS2 SET
ON
OFF
ON
OFF
H1P
H2P
H3P
H4P
H5P
H6P
H7P
(a)
(a) This setting = factory setting
w x
x
x
x
x
x
w x
x
x
x
x c
w x
x
x
x c x
w x
x
x
x c c
H1P
H2P
H3P
H4P
H5P
H6P
H7P
w x
x
x
x
x c
(a)
(a) This setting = factory setting
w x
x
x
x c x
w x
x
x c x
x
H1P
H2P
H3P
H4P
H5P
H6P
H7P
w x
x
x
x
x c
(a)
(a) This setting = factory setting
w x
x
x
x c x
w x c x
x
x
x
H1P
H2P
H3P
H4P
H5P
H6P
H7P
x
x w x
x
x
x
H1P
H2P
H3P
H4P
H5P
H6P
H7P
x
x w x
x
x
x
H1P
H2P
H3P
H4P
H5P
H6P
H7P
x
x w x
x
x
x
1
OFF
1
2
3
L.N.O.P
1
DEMAND
3
1
2
3
L
H
M
L
BS3 RETURN
BS3 RETURN
L.N.O.P
L.N.O.P
DEMAND
DEMAND