10
E 121 - DTU 614
C2 Eng.
04.07.01
We reserve the right to make changes without notice
COSTER
14.
2
– 1 Winter preheating modulating battery with antifreeze control
– 1 Summer cooling/dehumidifying modulating battery
– 1 Winter post-heating modulating battery
– 1 Summer post-heating On-Off 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
Mu – Humidifier On-Off control
Mv – Fans
Y – Winter preheating modulating control
Y1win – Winter postheating modulating control
Y2 – Summer cooling/dehumidifying modulating control
Y3sum – Summer postheating On-Off control
Rt
°
– Temperature set point adjuster (optional)
RH – Dehumidification set point adjuster (optional, for humidifying only)
De t e c t o r s L a y ou t
1
2
3 –
5
6 – –
M2.
1
Y 1 : MODULAT I NG
Ru n
t i me
: x x x s
M2.
5
Y 1 -W i n : HEAT I NG
Y1 - Sum: OFF
M2.
6
Y 2 : MODULAT I NG
Ru n
t i me
: x x x s
M2.
7
Y2 -W i n : OFF
Y 2 - Sum: COOL+DEHU
M2.
8
Y3 -W i n : OFF
Y 3 - Sum: HEAT I NG
M2.
10
S e a s o n Sw i t c h i ng
FR CONTROL
c s
M2.
2
Y 3 :
2 STAGES
M2.
9
Us e d e t e c t o r
B4
PREHEAT I NG
M3.
3
Y : MODULAT I NG
Run
t i me
: x x x s
M3.
4
Y -W i n : PREHEAT .
Y - Sum: OFF
M3.
5
Ou t pu t
8 - 9 - 1 0 :
CONTROL
M2.
3
S e a s o n Sw i t c h i ng
XXXXXXXXX
M3.
2
14.
3
– 1 Winter preheating with antifreeze control and summer cooling/dehumidifying modulating battery
– 1 Winter post-heating modulating battery
– 1 Summer post-heating On-Off battery
– 1 Humidifying On-Off unit
B1 – Flow temperature detector
B2 – Outside temperature detector (for compensation)
B3 – Room or extract temp. detector
B4 – Preheating temperature detector
B6 – Room or extract humidity detector
B7 – Frostprotection detector
Mu – Adiabatic humidifier On-Off control
Mv – Fans
Y – Winter preheating control
Y1iwin – Winter postheating control
Y2 – Summer cooling/dehumidifying control
Y3sum – Summer postheating control
Rt
°
– Temperature set point adjuster (optional)
RH – Dehumidification set point adjuster (optional, for humidifying only)
De t e c t o r s L a y o u t
– – – – – – 7
8
M3.
1
De t e c t o r s L a y ou t
1
2
3 –
5
6 – –
M2.
1
Y 1 : MODULAT I NG
Ru n
t i me
: x x x s
M2.
5
Y 1 -W i n : PREHEAT .
Y 1 - Sum: COOL+DEHU
M2.
6
Y 2 : MODULAT I NG
Ru n
t i me
: x x x s
M2.
7
Y 2 -W i n : HEAT I NG
Y2 - Sum: OFF
M2.
8
Y3 -W i n : OFF
Y 3 - Sum: HEAT I NG
M2.
10
S e a s o n Sw i t c h i ng
FR CONTROL
s s
M2.
2
Y 3 :
2 STAGES
M2.
9
Y : MODULAT I NG
Run
t i me
: x x x s
M3.
4
Y -W i n : FROSTPR .
Y - Sum: OFF
M3.
5
Us e d e t e c t o r
B4
PREHEAT I NG
M2.
4
Ou t pu t
8 - 9 - 1 0 :
CONTROL
M2.
3
S e a s o n Sw i t c h i ng
XXXXXXXXX
M3.
2
De t e c t o r s L a y o u t
– – – 4 – – 7
8
M3.
1
B2
B1
M
B5
B4
M
B3
B2
M
B1
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
E2
B8
E1
C
Ys 0C
B6
H
3
1
2
1
Co
3
Cl
2
Op
Y3.sum
T
T
T
Y
1
Co
3
Cl
2
Op
B4
M
B1
11 12
13 14
DTU 614
5
6
7
24 0
0
8
9 10
24
1
2
3
4
D
E2
C
0C
T
Mv
N
L
M
B3
B4
B2
M
B5
B6
B7
E1
G B8
Mu
N
L
1
Co
3
Cl
2
Op
Y1.win
1º
2º
0
24 V
~
24
0
24 V
~
24
Ys
Mv
cs
0
Win
Sum
B7
T
RH
H
T
T
T
T
➚
B6
B1
B2
Y
Y2
B4
Mu
Mv
Rt
°
B7
B3
Y1.win
T
+
+
–
DTU 644
DTU 614
Y3.sum
➚
RH
B2
B1
M
B5
B4
M
B3
B2
M
B1
11 12 13 14
DTU 644
B6
5
6
7
24 0
0
8
9 10
Rt
°
B3
Y2.win
B7 G
24
1
2
3
4
D
E2
B8
E1
C
Ys 0C
B6
H
3
1
2
1
Co
3
Cl
2
Op
Y3.sum
T
T
T
M
B1
11 12
13 14
DTU 614
5
6
7
24 0
0
8
9 10
24
1
2
3
4
D
E2
C
0C
Mv
N
L
Mp
N
L
M
B3
B4
B2
M
B5
B6
B7
E1
G B8
Mu
N
L
1
Co
3
Cl
2
Op
Y1
1º
2º
Mv
0
24 V
~
24
0
24 V
~
24
B4
T
Ys
B7
T
RH
cs
0
Win
Sum
H
T
T
T
T
➚
B6
B1
B2
Y1
B4
Mu
Mv
Rt
°
B7
B3
Y2.win
T
+
–
+
DTU 644
DTU 614
Y3.sum
➚
RH
