hajdu HPT300, Installation, Operating And Maintenance Manual, Page: 71 / 156

19
2.7. Connection diagram for the heat pump boiler control
7
8
13
PE U
1
U
2
Z
5.
3
4 3 2 1
6
N L
15
3
S R
C
4
R
C
S
2
1
1
7
4
NT
C
6
NT
C
11
NTC
5
+ -
MO
D
E
OK
19
17
2
16
10
9
14
5.
2
5.
1
5
5
5
4.
1 4.
2
4.
3
8.
2
8.
1
8
8
8
8
4.
4
4
4.
1
4.
2
4.
3
4.
4
9
9
9
5.
3
5.
2 5.
1
8.
2
8.
1
10
.1
10
.2
10
10
10
10
.1
10
.2
con1
11
11
11
LN
C
1C2
PV
M
AG
.
V
AL
V
E
FAN E
L.
H
E
A
T
E
R
CO
M
P
R
.
A
NO
DE
W
AT
E
R
EV
AP
O
R
AT
O
R
AIR D
ISPL
AY
P
R
ES
S
URE
SW
IT
C
H
L N N N N L L L L
N/
A
5.
1
13
8
8.
1
7
1
Compr
essor
-generat
or
2
Ventilat
or
3
Compr
essor condenser
4
Pr
essur
e swit
ch
5
Temperatur
e NT
C sens
. – wat
er
6
Temperatur
e NT
C sens
. – air
7
M
ains supply contac
t
8
Swit
ched cur
rent contac
t
9
Rela
y panel
10
Displa
y
11
Temperatur
e NT
C sens
. – e
vaporat
or
12
Optical transmitt
er con
ver
ter
13
PV sig
nal input contac
t
14
Elec
tr
ical connec
tor
15
Solenoid valv
e
16
Ventilat
or elec
tr
ical connec
tor
17
Ventilat
or star
ter condenser
18
Elec
tr
ic heating
19
Ventilat
or condenser 2