Siemens Climatix Series User Manual

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Siemens Standard application AHU CE1P3977en_02
Building Technologies Functions 01.02.2010
Parameter Range Function
External control
– Auto
– Off
– Stage 1
–
– Stage 2
– Stage 3
Displays current plant command from hardware
plant switch.
– Auto mode: Time switch catalog, night cooling,
etc., can switch on the plant.
– Plant off.
– Plant operating in stage 1 (using setpoint stage 1
for analog controlled plants).
– Plant operating in stage 2 (using setpoint stage 2
for analog controlled plants).
– Plant operating in stage 3 (using setpoint stage 3
for analog controlled plants).
Roomunit op mode
– Auto
– Comfort
– Standby
– Economy.
Displays present plant command from room unit
– Auto mode: Time switch catalog, night cooling,
etc., can switch on the plant.
– Plant operating in Comfort Mode.
– Plant is in standby.
– Plant operating in Economy Mode.
Night kick exh tmp
--- Starts plant to update sensor values for return-air
controlled plant and activated night cooling or Unit-
Start TmpDelta.
(Temperature difference start). Jumps to page to
parameterize night kick.
Night cooling
--- Night cooling (free cooling). Jumps to page to pa-
rameterize night cooling.
Tmp start
--- Starts plant at night based on temperature differ-
ence. Jumps to page to parameterize temperature
difference start.
Boost
--- Boost plant start. Jumps to page to parameterize
boost plant start.
Power up delay
0…36000 [s] Delayed plant start after controller restart.
Basis Document Siemens Climatix Control System
BDCX.100820.01GB
Page 37

Siemens Climatix Series Specifications

General

Application	HVAC control
Communication Protocols	BACnet, Modbus, KNX
Inputs	Analog and digital inputs
Outputs	Analog and digital outputs
User Interface	web interface
Power Supply	24 V AC
Protection Class	IP20
Mounting	DIN rail mounting