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NA 12.46 A
©2012
CIAT
NA 12.46 A
installation instructions
[14]
V05.2012
P15
Time delay for operation
option
This time delay is used to automatically turn off the optional
function if the sensor is absent
0 = Off (manual off)
1…60 = Time delay in minutes
0…60
Do not change/
Manufacturer only
P16
Fan speed for operating
option
Used to select the ventilation speed that will be active during
the comfort function
0 = no ventilation
1 = low speed
2 = medium speed
3 = high speed
0:1:2:3
Do not change/
Manufacturer only
P17
Condensation-free air
conditioning
0 = Inactive
1 = Use of input S3
2 = Use of on/off sensor on D2
00:01:02
Do not change/
Manufacturer only
P18
Condensation-free air
conditioning
Valve closing %
0…100
Do not change/
Manufacturer only
P19
Condensation-free air
conditioning - Dew point
sensor polling time
If the risk of condensation remains at end of polling time,
another cycle partial valve closing cycle is run
0…60
Do not change/
Manufacturer only
P20
Condensation-free air
conditioning - low
threshold
Opening threshold in Mj (formation of condensate)
0.5…12
Do not change/
Manufacturer only
P21
Condensation-free air
conditioning - high
threshold
Closing threshold in Mj (disappearance of condensate)
0.5…12
Do not change/
Manufacturer only
P22
Minimum deadband (°C)
The deadband value prevents incorrect adjustments of the
cooling or heating setpoints. The adjusted cooling setpoint
cannot be less than the heating setpoint plus the deadband
value
0…10; resolution of 0.5
Do not change/
Manufacturer only
P23
Minimum comfort
deadband in the supply air
control
This minimum deadband is used only to adjust the supply air
low and high limits if room/supply cascade control is used
0.0…40; resolution of 0.5
Do not change/
Manufacturer only
P24
Temperature sensor
selection (if recycled air
application)
Control sensor selection
0 = Return sensor priority
1 = Indoor environment sensor priority
00:01
Read/Write
P25
Return air sensor
calibration
Correction factor for the return air sensor
-9.9…+9.9; resol. of 0.1
Do not change/
Manufacturer only
P26
Indoor environment
sensor calibration
Correction factor for the room sensor
-9.9…+9.9; resol. of 0.1
Do not change/
Manufacturer only
P27
Changeover upper
threshold
2-tube changeover high threshold for hot water detection
0...20
Do not change/
Manufacturer only
P28
Changeover lower
threshold
2-tube changeover high threshold for cold water detection
-20...0
Do not change/
Manufacturer only
P29
Changeover hysteresis
Switching hysteresis for changeover (applies to hot water or
cold water)
1…20
Do not change/
Manufacturer only
P30
Auxiliary electric heater
authorisation threshold
Hot water temperature beyond which the electric heater cannot
be used as an auxiliary
20…70
Do not change/
Manufacturer only
P31
Changeover
1 = local C/O (sensor on piping)
2 = central C/O (BMS)
01:02 Read/Write
P32
Heating P band
Proportional band (in °C) for heating
1…15
Do not change/
Manufacturer only
P33
Heating I time
Integral time (in minutes) for heating
0 = Integral function off
0…40
Do not change/
Manufacturer only
P34
Heating D time
Derivative time (in minutes) for heating
0 = Derivative function off
0…40
Do not change/
Manufacturer only
P35
Cooling P band
Proportional band (in °C) for cooling
1…15
Do not change/
Manufacturer only
P36
Cooling I time
Integral time (in minutes) for cooling
0 = Integral function off
0…40
Do not change/
Manufacturer only
P37
Cooling D time
Derivative time (in minutes) for cooling
0 = Derivative function off
0…40
Do not change/
Manufacturer only
P38
Heating supply air control
P band
Proportional band (in °C) for supply air control
1…20
Do not change/
Manufacturer only
P39
Cooling supply air control
P band
Proportional band (in °C) for supply air control
1…20
Do not change/
Manufacturer only