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8
EXTERNAL WIRING DIAGRAM FOR THE PA 04 W UNIT
Freemax MX
L N PE 1
U
2
V
3
W
7
PE
6
TK2
5
TK1
4
PE
8
N
9
L
10
1
11
2
12
c
13
no
14
nc
15
c
16
no
17
1
18
2
19
3
20
6
21
5
22
1
23
9
24
2
25
3
26
4
27
7
28
1
29
2
30
1
31
2
32
1
33
2
34
1
35
1
ALP
cooler ac
tiv
ation sig
nal
(NO c
on
tac
t)
9
1
5
6
7 8
4
3
2
P1*
1
2
PK1*
AI4
AI5
AI3
AIgnd
AI1
AIgnd
DIgnd
DI8
AI1
AI6
DI1
DI2
DIgnd
AI7
DI5
DIgnd
AO3
24V AC
~
2
1
DD1*
1
3
2
PD1
1 2
t°C
TE1
1 2
t°C
TE3
1 2
t°C
TE4
1 2
t°C
TE5
+
Y
U
-
3
2
5
1
SM2*
L
N
2
1
SM1*
L
N
PE
M3*
U1
V1
V2 W2 PE TK TK
U2
W1
M1
Po
w
er input
230 V
AC
— ELECTRIC SHOCK HAZARD!
DI7
DI6
DO6
DO7
DO5
K1
ATV1
L2
PE
L1
W
V
PE
U
Designation
Name
Type
Cable
ATV1
Frequency inverter
Sinus M
M1
Supply fan
M2*
Circulating pump
max 0.3 kW
3 х 0,75 mm
2
DD1*
Dry run protection relay
NC
2 х 0,75 mm
2
SM1*
Supply air damper actuator
LF230
2 х 0,75 mm
2
SM2*
Heat medium regulating valve actuator
LR 24 SR
3 х 0,75 mm
2
PK1*
Contact from fire alarm panel
NO
2 х 0,75 mm
2
P1
Remote mounted control panel
ALP
PD1
Pressure differential switch on the supply filter
NC
TE1
Outdoor temperature sensor
PT 1000 ST-01
TE3
Return heat medium temperature sensor
PT 1000 STw-02
TE4
Freeze protection sensor of the water heater
PT 1000 STw-02
TE5
Supply air temperature sensor
PT 1000 STa-02
1. The system is operable in case of no DD1 fluid pressure switch in the water heater. In this case the contacts 14 and 15 must be jumped.
2. The maximum connecting cable length from the P1 remote control panel is 10 m.
3. *— not included into delivery set, available as a specially ordered accessory.
4. ** maximum connecting cable length is 20 m.
Содержание MPA 1200 W
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