Coster DTU 614 C2 Eng. - Wiring Diagram

3
E 121 - DTU 614 C2 Eng. 04.07.01
We reserve the right to make changes without notice
COSTER
7. WIRING DIAGRAM
B1 – Flow air temp. detector 0…60 °C
B2 – Outside temp. detector –30…+40 °C
B3 – Room or extract air temp. detector 0…40 °C
B4 – Preheating or dewpoint temp. detector 0…40 °C
B6 – Room humidity or extract air or flow air detector
B7 – Frostprotection detector
Y – 3-wire modulating control or 2- or 3-stage On-Off control
Ys – Air dampers or recuperator or vapor humidifier
0...10V– control
Ycs – Season switch
Mv – Fan control
Mp – Pump control
Mu – Adiabatic humidifier control
Rt° – Temp. calibration adjuster
RH – Humidity calibration adjuster
Rs – Outside air min. distance positioner
cs – Season switch : 1 = Winter, 2 = Summer.
Y : MODULATI NG
Run t ime : xx x s
M3.5
7.1 3-Wire Modulating Valve Control
7.
2 Electric Battery Control 7.3 Direct Expansion Battery Control
Y:2STAGES
M3.5
2 equal loads
Y:3STAGES
M3.5
Y:2STAGES
M3.5
2 unequal loads
On-Off according to program in use (M0.2 or M0.4)
Possible Season Switching (M3.
2) modes: No ss; Winter; Summer; Based on Outside Temp. Based on Seasons
c1 open : On-Off according to Program setting (M0.2 or M0.4)
c1 closed : Always On (for non-programmed operation)
To use c1 as only On-Off control, set OFF in the Program setting (M0.2 and M0.4).
Possible Season Switching (M3.
2) modes: No ss; Winter; Summer; Based on Outside Temp.; Based on Seasons
Ss Win: On-Off – according to Winter Program setting (M0.2)
Ss Sum: On-Off – according to Summer Program setting (M0.
4)
Season switching (M3.
2) must be: through ss control
Ss Win and c1 open : On-Off -according to Winter Program setting (M0.2)
Ss Win and c1 closed: On-Off -Always On, Winter;
Ss Sum and c1 open: On-Off -according to Summer Program setting (M0.4)
Ss Sum and c1 closed: On-Off -Always On, Summer;
To use c1 as only On-Off control, set OFF in the Program setting (M0.2 and M0.4).
Season Switching (M3.
2) mode must be : through ss + c1 control
7.
5 Use of D-E1-E2 Outputs – Examples
D
E1 E2
c1
D
E1 E2
ss – Control through manual or centralized season switch or through DTU 614-type controller with season switch.
c1 – on-off contact through manual control or through fan relay
0
24 V
~
24
24
0 024
Ys
Ys
Y
0
7.4 Vapor Humidifier Control (0…10 V–)
Ys -Cont ro l :
HUMI D I F .
M3.5
Y
1
Co
3
Cl
2
Op
B4
MB1
11 12 13
14
DTU 614
5
6 7
24 0
0
8 9 10
Ycs
1
Co
3
Win
2
Sum
24
1 2 3
4
0
D
E2
C BUS
E1 C
0C
T
Mv
N
L
Mp
N
L
B7
T
MB3 B4B2 MB5 B6 B7
B2B1 Rt°B3
RH
B6
H
3
12
T
TT
G B8
Mu
N
L
cs
0
Win
Sum
Ys
Rs
132
Ys
24
1
Y1
3
0
2
0
24 V
~
24
1
2
3
4
L
Y.e
N
1st 2nd
1 2 3
4
1st 2nd
Y.c
1 2 3
4
D
E1
E2
cs
Win Sum
Win
D
E1
E2
cs
Sum
c1