Siemens Climatix Series User Manual

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Siemens Standard application AHU CE1P3977en_02
Building Technologies Functions 01.02.2010
Pump kick is enabled.
Main Index > Configuration > Configuration 2 > Hrec (pump)/cmd = Yes+Kick
The pump is switched on for a short period for longer idle periods. This prevents
lock up.
Main Index > Unit > Temp control > Heat recovery > Pump / cmd
Parameter Range Function
Kick date / time Mo 00:00...So 23:29 Weekday and time for pump kick. Sets the weekday
(Mon...Sun) and time to run the pump kick.
Examples:
Mon *:* Each Monday at midnight.
Sat 07:* Each Saturday at 7:00 am.
* *:* Time is not relevant; the kick interval applies
accordingly.
Kick interval 0.0...36000.0 [h] Idle time for pump kick. Set the idle time after which a
pump kick is run. Examples:
168 After 168 hours.
123.4 After 123 hours and 24 minutes.
0 Idle time is not relevant; kick date/time applies
accordingly.
Kick on time 0.0...36000 [s] Set the period for the pump kick.
Examples:
10 Period = 10 seconds.
0 Period = 1 controller cycle (ca. 150 ms).
Kick date/time = * *:* and kick interval = 0 --->
No pump kick is run.
5.7.4 Heat recovery Frost
Frost protection type is enabled:
Master Index > Configuration > Configuration 2, Heat recovery frost <> No
• Temperature frost protection: Detects icing using a temperature sensor in the
water exchanger if selected as water or in exhaust air if selected as plate or
wheel. This applies for the following settings:
Heat recovery frost = Detector, sensor or Dtctr+Snsr.
• Air-side frost protection: Detects icing using a pressure sensor. This applies
for the following settings:
Heat recovery frost = PressSnsr und Pres+Dtctr.
– For output Frost controller > Output recovery ---> The output follows the recov-
ery.
– For output Frost controller < Output recovery ---> The output follows the frost
controller.
– Controller is disabled when the sensor fails.
The heat recovery controller goes to 100 % output signal as soon as the frost con-
troller is no longer enabled, when the subsequent heating register was enabled
during frost control.
Prerequisite
Function
Parameter
Note
Prerequisite
Two types of frost detec-
tion:
Function
Basis Document Siemens Climatix Control System
BDCX.100820.01GB
Page 72

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