204 / 244
Siemens
Standard application AHU
CE1P3977en_02
Building Technologies
HMI
01.02.2010
17.15.24
Heating 2 > Frost protection
Main Index > Unit > Temp control > Heating 2 > Htg 2 frost protect
Parameter
Function
Value range
Unit
Standard R
S Link
Controller
Output from loop controller; Jumpline to
settings
0…100
%
100
X
Section:
Setpoint
Frost Setpoint if Unit is On
-64…64
°C
12.0
6
5.8.4
Standby setpoint
Frost Setpoint if Unit is Off
-64…64
°C
20.0
6
17.15.25
Heating 2 > Pump
Main Index > Unit > Temp control > Heating 2 > Pump
Parameter
Function
Value range
Unit
Standard R
S Link
Command
Heating 2 status
On…Off
X
Fdbk
Heating 2 Pump Feedback
Nofdbk…fdbk
X
Alarm
Heating 2 Pump alarm
Ok…alarm
X
Start up delay fdbk
After this Time the Feedback has to be
TRUE
0…36000
--- S ---
30
6
Section:
Off by fdbk alarm
In case of a Feedback alarm the Pump is
switched Off
No…Yes
Yes
6
5.8.2
Min run time
Mnimum On Time after a Start
0…36000
180
6
Pump start outs tmp If Outside Temperature is lower this Value
the Pump Start
-64…64
°C
12.0
6
Kick date / time
Pump Kick Date and Time
6
Section:
Kick interval
Intervall Time for Pump Kick
0.0…36000.0
h
168.0
6
5.8.3
Kick on time
Pulse for Pump Kick
0…36000
--- S ---
60
6
17.15.26
Heating 2 > Pre heating
Main Index > Unit > Temp control > Heating 2> Heating 2 pre heating
Parameter
Function
Value range
Unit
Standard R
S Link
Mode
Actual Status
Passive…Active
X
Outs air tmp X1
lower Outside Temperature
-30.0…5.0
°C
10.0
6
Outs air tmp X2
End Outside Temperature for Pre Heating
Function
0.0…50.0
°C
5.0
6
Output signal Y1
Output Signal Pre Heating for Temperature
X1
0.0…600.0
--- S ---
60.0
6
Section:
Output signal Y2
Output Signal Pre Heating for Temperature
X2
0.0…600.0
--- S ---
10.0
6
5.8.5
Pre h on time
If the Outside Temperature is lower than X2
the system heat up the pipes for this time
with 100%
0…600
--- S ---
30
6
Min off time
If heat up the pipes is finished it is blocked
for this Time
0.0…1440.0
Min.
180.0
6
17.15.27
El Heating 2
Main Index > Unit > Temp control > El heating 2
Parameter
Function
Value range
Unit
Standard R
S Link
Controller
Actual Value Controller; Jumpline to settings 0…100
%
X
Output signal
Actual Output Signal; Jumpline to settings 0…100
%
X
Command
Actual Stage command; Jumpline to
settings
Off…St3
Extra Seq setpoint
Extra Setpoint (only activ if Htg 2 or Clg 2 or
ElHtg 2 is selected as Stand alone; this
Setpoint is valid for all)
0…99
°C
20.0
6
Section:
Alarm
Electrical heating alarm
OK…alarm
5.9.1
Start stage 1
Start point Electrical heating Stage 1
0…100
%
20
6
Start stage 2
Start point Electrical heating Stage 2
0…100
%
40
6
Start stage 3
Start point Electrical heating Stage 3
0…100
%
80
6
Stage hys off
Hysteresis to switch Off a Stage
0…20
%
10
6
Max limitation fan
Jumpline for Fan limitation settings
6
Basis Document Siemens Climatix Control System
BDCX.100820.01GB
Page 204