Unical R 24, Руководство по установке и обслуживанию

Страница: 45 / 52

45
Maintenance instructions
ENGLISH
230 V
50 Hz
L1 N
G
N
D
P
N
L1
E. ACC./RIL.
R
Y
G
B
L
B
R
1 2
A8
3 4 5
B
R
Y
G
B
L
1 2 3
B
L
B
R
B
K
(C
H
)
(D
H
W
)
M
MDV
P
N
L1
1 2
A8
3 4 5
B
R
Y
G
B
L
MDV
C
R
A1
4 3 2 1 8 7 6 5 9
4
A9
3 2 1
B
K
(-)
1
3
St2
(T
A
C
H
O
)
B
R
(P
W
M
)
O
R
(+)
2 4 5
C
DK
W
H
FLS SS SR
B
R
W
H
B
R
W
H
W
H
R R
A1
4 3 2 1 8 7 6 5 9
R
DK
W
H
SS SR
B
R
W
H
W
H
B
R
B
L
R W
H
G
CMP
A2
4 3 2 1 7 6 5
TL SRR
G G W
H
W
H
B
L
G
N
D
1
-5
G
P
L
T.ACC
A3
4 3 2 1 6 5
SE
BK
TA 1/OT TA 2
WH WH Y Y BK BK
MDV
(C
H
)
(D
H
W
)
VM (R)
A4
3 2 1
2 1
GR
MODULA
T
(+12 V) NOT
USE
D
B
L
1 - COM
4 - NO
1 - COM
4 - NO
A1
4 3 2 1 8 7 6 5 9 4
A9
3 2 1
A2
4 3 2 1 7 6 5
A4
3 2 1
A3
4 3 2 1 6 5
1
2
A7
1 2
A5
3 4 5 6
A8
3 4 5
1 2
PK
GND
CASING
B
L
PE PE
TLC
4.5 - WIRING DIAGRAM Practical connection board
MVD
MVD
KEY
A1.....A9 Services connectors
CMP Modulating pump control
DK Water deficiency safety pressure switch
E. ACC./RIL Ignition/detection electrode
FLS Domestic hot water request flow switch
MVD Diverter valve motor
P Pump
SR Flow heating sensor
SRR Return heating sensor
SS Domestic hot water probe (Pred. for R models)
TL Limit thermostat
TLC Flue gas collector limit thermostat
VG Gas valve
VM Modulating fan
SE External probe connection terminals
TA1 / OT Modulating TA connection terminals
TA2 On/off TA connection terminals