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AB Industrietechnik srl – Via Julius Durst, 70 – 39042 BRESSANONE (BZ) Italy – Tel: +39 0472/830626 – [email protected] – www.industrietechnik.it
Hreg: regulation humidity
WUS: humidification operation setpoint
dH: 0.2%r.h
During cooling if Hreg < WUS - dH, humidification regulation is started and cooling regulation stopped till WUS is reached.
Treg
WCS
Treg
WHS
dT
Heating
(dehumidif)
dT
Cooling
(humidif)
Authorization
0
Authorization
0
Hreg
WDS
Hreg
WUS
dH
Humidification
(cooling)
dH
Dehumidification
(heating)
Authorization
0
Authorization
0
Hreg: regulation humidity
WDS: dehumidification operation setpoint
dH: 0.2%r.h.
During heating if Hreg > WDS + dH, dehumidification regulation is started and heating regulation stopped till WDS is reached.
The table below shows all the cases that may occur during temperature and/or humidity control.
• Temperature priority,
212
=0:
Temperature setpoint not reached:
Temperature
request
Humidity request
Heating battery
Cooling/
dehumidification
battery
Post-heating
battery (*)
Humidifier
Heating
Humidification
ON
OFF
005=0
(post only)
:
OFF
ON
005=1
(post+integ)
ON
(controlled in
integration through
the control sensor and
the WHS operating
setpoint)
Heating
Dehumidification
ON
OFF
005=0
(post only)
:
OFF
OFF
005=1
(post+integ)
ON
(controlled in
integration through
the control sensor and
the WHS operating
setpoint)
Cooling
Humidification
OFF
ON
OFF
OFF
Cooling
Dehumidification
OFF
007=0:
ON
(controlled with the
max between the
cooling request and
dehumidification
request)
OFF
(if cooling
request is higher
than dehumidification
request)
OFF
ON
(if cooling
request is higher
than dehumidification
request, post heating
is controlled by the
supply sensor and the
post-heating setpoint
179)
007=1 or 2:
ON
(dehumidification
using the
modulating or on/off
dehumidifier)
(*) if
005=2, the post-heating battery has the function of additional heating battery. It is controlled based on the supply sensor
