11
10 - WIRING DIAGRAM
PMERV 5
230/1/50
M
L
K
J
I
H
G
F
E
D
C
B
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
1 2
3 4
5 6
21 22
(01-18)
(01-18)
(01-18)
(01-13)
(01-12)
1
LOAD
+
-
1
(01-12)
R
S
C
XB/6
XA
U
XA
N
XA
PE
XB/10
XA
02
XA
01
XB/13
SD1
XB/8
XA
04
XA
03
XB/12
J1
XB/1
XB/11
F1
2A
E3
E2
BP
HP
XB/2
XB/7
XB/9
T1
230V
24V
XB/14
XB/3
XC/8
XA
08
XA
07
XC/6
XA
05
XC/9
XC/12
XA
06
XC/7
XC/2
A1
A2
XC/1
XC/4
KM2
21
22
XA
XA
XA
21
XA
22
M1
A1
L
N
C1
XB/5
XB/4
M2
KM2
1
2
3
4
5
6
C2
R
L1
(N
)
(M)
W
L
G
P
M
W
G
G
B
BW
RL
MR
WM
RW
R
R
L1
L1
L1
WG
PG
NM
NL
NB
(B)
R
B
B
SD2
SD3
R1
KM2
EV1
Power supply
230V/1/50
XC regulator
connector
XB regulator
connector
Circulating
pump
On/Off
Alarm
Hot/Cold
A1
Pressure control card
C1
M1 capacitor
C2
M2 capacitor
E2
High pressure switch
E3
Low pressure switch
EV1
Electrovalve
F1
Control circuit fuse
J1
Water differential pressure switch
Symbols of the components
Colours of the wires
B
Blue
BW
Blue/White
G
Grey
GN
Grey/Black
L
Purple
M
Brown
MR
Brown/Red
N
Black
NB
Black/Blue
NL
Black/Purple
NM
Black/Brown
P
Pink
PG
Pink/Grey
R
Red
RG
Red/Grey
RL
Red/Purple
RW
Red/White
W
White
WG
White/Grey
WM
White/Brown
KM2
Contactor compressor
M1
Fan 1
M2
Compressor
R1
Anti-freeze resistor
SD1
Water probe
SD2
Heat exchanger temperature probe
SD3
Defrosting condensation temperature probe
T1
Transformer
10 05 648 - 00
9 - PRESSURE CURVES
9.1 - HEATING MODE
4
6
16
10
12
14
8
18
20
17
18
19
20
21
22
25
23
24
45°C
35°C
4
6
16
10
12
14
8
18
20
3.5
4
5
6.5
5.5
6
4.5
45°C
35°C
-5
5
0
10
10
12
14
16
18
-10
20
22
24
15
45°C
35°C
25°C
-5
5
0
10
1.5
2
2.5
3
3.5
-10
4
4.5
5
15
45°C
35°C
25°C
HIGH PRESSURE
LOW PRESSURE
9.2 - COOLING MODE
Low pressure (relative bar)
Outside wet bulb temperature (
°
C)
Outside wet bulb temperature (
°
C)
High pressure (relative bar)
Water outlet temperature
Water outlet temperature
HIGH PRESSURE
LOW PRESSURE
Water outlet temperature (
°
C)
Water outlet temperature (
°
C)
High pressure (relative bar)
Outdoor temperature
Outdoor temperature
Low pressure (relative bar)