39
Maintenance instructions
ENGLISH
U-FLY
Heating Controller Touch not used
FL
Flow switch
INAIL
Connection
TA
Room thermostat
S.temp ACC
Storage Tank Temperature Sensor
INGR. ANALOG
Analogical input
GND 0-10V ING Analogical input 0-10 V
0-10V C.P.M.
Modulating Pump Control
ALLARM SIGNAL
Alarm Output
Comm
P. COLL
Boiler collector pump control
Comm
P. CH
Heating pump control
P. car DHw
Storage tank loading pump control
Com.
Common
+ 20/40Vdc
R
BK
- 20/40Vdc
U
S
C
A
L
L
A
R
M
S
IG
N
A
L
C
O
M
A
N
D
C
O
M
.
9
8
10 11 12 13 14
IN
G
R
A
N
A
L
O
G
.
M
o
d
b
u
s
B
M
o
d
b
u
s
A
0
-
1
0
V
-
G
N
D
0
-1
0
V
-
IN
G
R
.
S
t
emp.
A
C
C
G
N
D
3
1
4
2
M
o
d
b
u
s
A
M
o
d
b
u
s
B
A1
3
1
4
2
VM
(R)
B
K
(-
)
B
R
(P
W
M
)
B
L
(T
A
C
H
O
)
O
R
(+
)
N
L1
G
N
D
BL
BR
Y/G
E.ACC.1
T.ACC.2
N
L
2
1
G
N
D
E.RIL.
TEFLON WH
M
o
d
b
u
s
-A
2
e
B
U
S
+
e
B
U
S
-
G
N
D
0
/1
0
V
M
o
d
b
u
s
-B
A
B
IL
A
C
C
B
R
U
C
.
.
IN
G
R
E
S
C
O
N
T
R
0
-1
0
V
.
.
BR
eBUS+
B
K
e
B
U
S
-
R
+24V
2
1
E.ACC.2
B
R
e
B
U
S
+
SL
2
1
3
(C
)
1
(N
C
)
3
1
0
2
9
PF
INAIL
+24V
1
1
2
3
PG
min
4
1
3
PG
max
SPK
500/1000
V1
V2
G
N
D
2
SPK
150/1000
e
B
U
S
-
e
B
U
S
+
+
2
4
V
G
N
D
e
B
U
S
B
R
B
L
Y/G
BR
BL
A2
U-FLY
BR
BL
Y/G
3
1
4
2
A3
A4
B
K
e
B
U
S
-
R
+24V
B
R
e
B
U
S
+
1
2
3
4
5
6
7
A2
A1
A4
A3
Y2
Y1
Y3
G
N
D
1
2
1
2
3
0 1
2
3
4
5
6
7
8
9
Y4
1
2
3
4
1
2
3
M2
R
FL
C.
P
.M.
P
.
C
H
C
O
M
A
N
D
P
. Coll.
C
O
M
A
N
D
P
. Car
.
D
H
W
1 2 3 4 5 6
Y3
Y2
12 11 10 9
8
7
6
5
4
3
2
1
0 1
2
3
4
5
6
7
8
9
2
1
3
4
5
6
7
A1
9
8
10 11 12 13 14
2
1
3
4
5
6
7
Jp2
B
R
W
H
O
R
O
R
B
R
W
H
B
R
W
H
B
R
W
H
A5
2
1
3
2
1
A7
4
5
6
A8
3
2
1
4
7
6
5
8
3
2
1
A7
4
5
6
A5
2
1
A6
2
1
R
R
BL
BR
Y/G
E.ACC.1
T.ACC.1
N
L
2
1
G
N
D
E.ACC.2
R
R
L1 N
1 3
B
L
Y/G
B
R
3
2
1
4
7
6
5
8
A8
SPK
100/400 (DUNGS MCB 300)
SPK
/1000 (DUNGS MCB 700)
500
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
Y1
0
1
2
3
4
5
6
7 8
9
Sw1
R
+24V
B
R
e
B
U
S
+
B
K
e
B
U
S
-
1
2
3
4
A3
1
2
3
4
A2
1
2
3
4
A3
A1
1
2
3
4
5
6
1
2
3
4
5
6
A1
ROD1 ROD
F1
A4
VG
R
+24V
B
R
e
B
U
S
+
B
K
e
B
U
S
-
1
2
3
4
A2
1
2
3
B
K
G
W
H
TA
SE
C
2
1
2
3
4
5
6
7
8
9
10
11
12
A4
W
H
B
K
W
H
B
R
SR
TL
W
H
B
R
C
N
O
PF
min
Ufly /
HSCP
K 3
L
T
A
C
H
O
P
W
M
G
N
D
(NO
SPK
1000)
VM
(A)
M
3
K 1
L
(*)
0
off
I
on
4.0
5.0
6.3 A
D
L1
N
PE
L1
PE
N
Y/G
BK
BR
GR
BL
L1
L2
L3
N
ALIM.
400 V
50 Hz
PE
BK
BR
GR
Y/G
PE
L1
L2
L3
BR
Y/G
BL
Summary of Contents for SPK 1000
Page 35: ...35 Maintenance instructions ENGLISH PAGE LEFT BLANC INTENTIONALLY ...
Page 42: ...42 ...
Page 43: ...43 ...
