Datasheet

Standard controllers
Communicating HVAC controllers
Application examples RMU..
5-30
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Siemens Switzerland Ltd
Building Technologies Division
5
Room-supply air temperature cascade and humidity control
Room-supply air temperature cascade and humidity control
RMU730B..
RMU730B..
AEFB01 U3B HQ
ADFP01 U3B HQ
V 7-day time switch with holiday / special day program
V Control of a 2-speed fan
V Control of the supply air temperature via the mixed air dampers‚ the heating
coil valve and cooling coil valve in sequence
V Control of room humidity via the air humidifier (on command and modulating
positioning signal)
V Frost protection with frost protection monitor
V Supervision of the supply and extract air fans with differential pressure sen-
sors
V Supervision of the supply air filter with a differential pressure sensor
V Limitation of supply air humidity
V 7-day time switch with holiday / special day program
V Control of a 2-speed fan
V Control of the supply air temperature via the heat recovery system‚ the heat-
ing coil valve and cooling coil valve in sequence
V Control of room humidity via the air humidifier (on command and modulating
positioning signal)
V Frost protection with frost protection monitor
V Supervision of the supply and extract air fans with differential pressure sen-
sors
V Supervision of the supply and extract air filters with differential pressure sen-
sors
V Limitation of the supply air humidity
The indicated energy efficiency classification can be attained only if the fol-
lowing functions are implemented:
The indicated energy efficiency classification can be attained only if the fol-
lowing functions are implemented:
V Air flow control at the room level‚ demand control (Air quality sensor
required)
V Air flow control at the air handler level‚ automatic flow or pressure control
with or without pressure reset (Automatic fan step switching corresponds to
Efficiency Class B / Step 2 must be switched based on air quality)
V With heat exchanger overheating control
V Free mechanical cooling (Outside air temperature and room temperature sen-
sor required)
V Supply Temperature control‚ variable set point with load dependant compen-
sation
V Room or exhaust air humidity control
V Air flow control at the room level‚ demand control (Air quality sensor must be
integrated as an additional feature)
V Air flow control at the air handler level‚ automatic flow or pressure control
with or without pressure reset (Automatic fan step switching corresponds to
Efficiency Class B / Step 2 must be switched based on air quality)
V Heat exchanger defrost control (Exhaust air temperature sensor required)
V With heat exchanger overheating control
V Free mechanical cooling (Outside air temperature and room temperature sen-
sor required)
V Supply Temperature control‚ variable set point with load dependant compen-
sation
V Room or exhaust air humidity control
To fulfill the classification‚ the plant must be equipped with
all indicated functions.
To fulfill the classification‚ the plant must be equipped with
all indicated functions.