[ VI Control ]
- 105 -
HWE1708A GB
VI Control
[1] Functions and Factory Settings of the Dipswitches
1. Switch functions <HBC controller> (Control board)
Switch Function
Function according to switch setting
Switch setting tim-
ing
OFF ON
SW3
1 - 3 Model setting Preset before shipment -
4- - - -
5
SV1 ON fixed con-
trol
Not available Available
Any time after be-
ing energized
6 - 7
Pressure sensor
backup
Error codes are not sent to
outdoor units
Error codes are sent to out-
door units.
Any time after be-
ing energized
8- - - -
9- - - -
10
Heat recovery de-
frost
Available Not available
Before being ener-
gized
SW4
1
Debris removal run
mode
Not available Available
Any time after be-
ing energized
2- - - -
3
Test run air vent
mode after strainer
processing
Not available Available
Any time after be-
ing energized
4
Forced termination
of a test run
Not available Available
Any time after be-
ing energized
5
Water tightness
check
Not available
(When the switch is set from
ON to OFF, set the VB3 to the
specified opening for stop-
page.)
Available
Two water pumps ON (output
30%) one minute after setting
VB3 to 0 or 1600.
Any time after be-
ing energized (only
when the control
mode is stopped)
6
Operation function 1
of the valve block
Not available VB3=800
Any time after be-
ing energized
7- - - -
8- - - -
9- - - -
10-- --
SW5
1
Water supply SW
Not available Available: VB=0 or 1600
Any time after be-
ing energized
2
Air vent SW
Not available Available
Any time after be-
ing energized
3- - - -
4
Compatible with
antifreeze-liquid 1
Refer to the Databook.
5
Compatible with
antifreeze-liquid 2
6- - - -
7- - - -
8- - - -
0000002394.book 105 ページ ２０２３年９月７日 木曜日 午後４時２分
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