9
E 121 - DTU 614 C2 Eng. 04.07.01
We reserve the right to make changes without notice
COSTER
14. 3 OR 4 BATTERY SYSTEM CONTROL (DTU644 + DTU 614) – EXAMPLES
14.1 – 1 Winter preheating with antifreeze control modulating battery
– 1 Summer cooling/dehumidifying modulating battery
– 1 post-heating modulating battery
– 1 Humidifying On-Off unit
B1 – Flow temp. detector
B2 – Outside temp. detector (for compensation)
B3 – Room or extract temp. detector
B4 – Preheating temperature detector
B6 – Room or extract humidity detector
B7 – Frostprotection detector
Mv – Fans
Mu – Humidifier On-Off control
Y1 – Winter preheating modulating control
Y2 – Summer cooling/dehumidifying modulating control
Y3 – Post-heating modulating control
Rt° – Temperature set point adjuster (optional)
RH – Dehumidification set point adjuster (optional)
Detectors Layout
–––––678
M3.1
De t ec tors Layout
1
2
3–
5
6––
M3.1
Y1 : MODULATI NG
Run T ime :xx xs
M3.4
Y1 -Wi n : PREHEAT .
Y1-Sum:OFF
M2.6
Y2 : MODULATI NG
Run Time :xxxs
M2.7
Y2 -Wi n:OFF
Y2 - Sum: COOL+DEHU
M2.8
Y3-Win:HEATING
Y3-Sum:HEATING
M2.10
Season Swi tching
FR CONTROL ss
M3.2
Y3: MODULATING
Run t ime : xxxs
M2.9
Season Swi t ch i ng
XXXXXXXXX
M3.2
13.4 – 1 Winter heating, summer cooling modulating battery with heat pump season switching
– 1 Humidifying On-Off unit
B1 – Flow temp. detector
B2 – Outside temp. detector (for compensation)
B3 – Room or extract temp. detector
B6 – Room or extract humidity detector
B7 – Frostprotection detector
Mu – Humidifier On-Off control
Mv – Fan On-Off control
Mp – Pump On-Off control
Rt° – Temperature set point adjuster (optional)
RH – Humidity set point adjuster (optional)
Y – Winter heating, summer cooling
modulating control
Ycs – Heat pump season control
13.5 – 1 Winter heating, summer cooling On-Off battery with heat pump season switching
– 1 Humidifying On-Off unit
B1 – Flow temp. detector
B2 – Outside temp. detector (for compensation)
B3 – Room or extract temp. detector
B6 – Room or extract humidity detector
Mu – Humidifier On-Off control
Mv – Fan On-Off control
Rt° – Temperature set point adjuster (optional)
RH – Humidity set point adjuster (optional)
Y – Winter heating, summer cooling
On-Off control (heat pump)
Ycs – Heat pump season control
De t ec tors Layout
1 2 3–5678
M3.1
Y : MODULATI NG
Run T ime :
xxx
s
M3.4
Y-Win:HEATING
Y - Sum: COOLI NG
M3.5
Season Swi tching
XXXXXXXXX
M3.2
De t ec tors Layout
1 2 3–5678
M3.1
Y:2STAGES
M3.4
Y-Win:HEATING
Y - Sum: COOLI NG
M3.5
Season Swi tching
XXXXXXXXX
M3.2
Use de t ec tor B4
PREHEAT I NG
M3.3
Output 8-9-10:
CONTROL
M2.3
Y : MODULATI NG
Run t ime : xxxs
M3.4
Y -Wi n : FROSPROT.
Y-Sum:OFF
M3.5
Y Mu
+
–
B6B3
B2
DTU 614
T
B1
T
HT
RHRt°
Mp
Mv
Ycs
B7
T
Y
Ycs
Mu
B6B3
B2
DTU 614
T
B1
T
HT
RHRt°
Mv
+
–
H T
T
T
T
➚
➚
B6
B1
B2
Y1 Y2
B4
Mu
Mv
Rt° RH
B7
B3
Y3
T
+ +–
DTU 644
DTU 614
Y
MB1
11 12 13
14
DTU 614
5
6 7
24 0
0
8 9 10
24
1 2 3
4
D
E2E1 C
0C
Mv
N
L
Mp
N
L
MB3 B4B2 MB5 B6 B7
B2B1 Rt°B3
T
TT
G B8
Mu
N
L
Ys
cs
0
Win
Sum
Ycs
1
Co
3
Cl
2
Op
CoWinSum
0
24 V
~
24
RH
B6
H
3
12
B7
T
Y
MB1
11 12 13
14
DTU 614
5
6 7
24 0
0
8 9 10
24
1 2 3
4
D
E2E1 C
0C
Mv
N
L
MB3 B4B2 MB5 B6 B7
B2B1 Rt°B3
RH
B6
H
3
12
T
TT
G B8
Mu
N
L
Ys
cs
0
Win
Sum
Ycs
1
st
St
2
nd
St
CoWinSum
0
24 V
~
24
Y1
1
Co
3
Cl
2
Op
B2
B1
M
B5
B4MB3B2MB1
11 12 13
14
DTU 644
B6
5 6 7 24 0 0 8 9 10
Rt°
B3
Y2
B7
G
24
1
2
3
4
D
E2B8 E1 C
Ys
0C
B6
H
3
12
1
Co
3
Cl
2
Op
T
T T
0
24 V
~
24
Y3
1
Co
3
Cl
2
Op
MB1
11 12 13
14
DTU 614
5
6 7
24 0
0
8 9 10
24
1 2 3
4
D
E2E1 C
0C
Mv
N
L
B7
M
B3 B4B2 MB5 B6 B7 G B8
T
0
24 V
~
24
Ys
Mu
N
L
Mv
cs
0
Win
Sum
B4
T
RH
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