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6 Configuration
Installation manual
27
EKMBPP1
Modbus adapter
4P720139-1B – 2023.09
Holding register
Address
Name
Range / Description
(a)
H0024
40025
Airflow direction Inhibit
Inhibit value:
(c)
▪ 2: Swing
▪ 4: 0 degrees
▪ 8: 20 degrees
▪ 16: 45 degrees
▪ 32: 70 degrees
▪ 64: 90 degrees
(a)
When the value is set to 0, no control limiting is applied.
(b)
Setpoint Min > Setpoint Max is invalid. If a limit is applied for Setpoint
Min, also apply a limit for Setpoint Max to avoid an invalid setting
(Setpoint Min > 0 (No Limit)).
(c)
If everything is inhibited, the Inhibit is invalid. The default setting on
power up is No Limit. When an inhibited setting is selected, the non-
restricted setting with the lowest inhibit value will be set instead.
6.4.4
VAM-specific control
In addition to the standard unit control functions (see
23]), the EKMBPP1 can be used to control functions specific
to VAM and VKM units. The following holding registers are available:
Holding register
Address
Name
Range
Description
H0030
40031
Ventilation Mode
0~2
(a)
▪ 0: Auto
▪ 1: Cross flow / Heat
recovery
▪ 2: Bypass
H0031
40032
Ventilation Rate
1~2
(b)
▪ 1: Low
▪ 2: High
(a)
If the value is out of range, Ventilation Mode will be set to 0: Auto.
(b)
If the Ventilation Rate is set to Automatic, the register will read 2: High.
If the value is out of range, Ventilation Rate will read 2: High.
6.4.5
Smart Grid control
The Smart Grid control holding registers allow for control over
connected AC units in the Sky Air range. For more information about
Smart Grid operation modes, see
Holding register
Address
Name
Range
Description
H0055
40056
Smart Grid operation
mode
0~3
▪ 0: Free running
▪ 1: Forced off
▪ 2: Recommended on
▪ 3: Forced on
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