Specifications

4P357732-1 – 2014.04 Page 42 of 58
Holding register
VRV Sky-air
HRV Split VRV hydrobox LT & HT Air curtains ERQ control box Heating Applied
Domestic hot
water
Reheat enable/ disable status
Storage set point
-
-
-
-
O
-
-
O
-
Quiet mode (low
noise)
-
-
-
-
O
-
-
O
O
42403 (1-00)
42407 (1-01)
.. (step of 4)
42655 (4-15)
Bit
Description
Meaning
15
Storage set
point
- 128 ..
127°C
(unity 1°C)
8 bit signed integer equals the value multiplied by 10
(bit 15= sign)
Remark:
1. In case the requested value is out of the unit set
point range and/or the user interface set point range,
the set point is set to the minimum limit value or
higher limit value.
2. For the result please check for the value in the
input register.
Note: The BMS needs to copy input register value:
32803 (1-00)… bit 15..8 to this holding register.
14
13
12
11
10
9
8
7..4
-
3
-
2
Quiet mode
(Low noise)
On/Off
0: Off
1: On
Note: The BMS needs to copy input register value:
32803 (1-00)… bit 2 to this holding register.
1
-
0
Reheat On/off
0: Off
1: On
Note: The BMS needs to copy input register value:
32803 (1-00)… bit 0 to this holding register.
Holding register
VRV Sky-air
HRV Split VRV hydrobox LT & HT Air curtains ERQ control box Heating Applied
Ventilation
operation mode
*VAM models: available
VKM models: not available
-
-
O*
-
-
-
-
-
-
42404 (1-00)
42408 (1-01)
.. (step of 4)
42656 (4-15)
Bit
Description
Meaning
15..
8
-
7
Ventilation
operation
mode setting
(0:No
meaning)
1: Auto
2: Energy
reclaim
ventilation
3: Bypass
(remark: not possible to detect if unit has capability
or not)
Note: The BMS needs to copy input register value:
32804 (1-00)… bit 7-6 to this holding register.
6
5..0