15
MidiHeat EHD
MA45-33E
ENGLISH
J4
RS485
J2
NC
NO
IN
J1
L1
K2
K1
L2/N
K4
K3
FUSE
FUSE
TRANSFORMER
J3
OVERHEA
T
CIRCULA
TION
PUMP
FLOW
SWITCH
TEMP
.SENSOR
{
{
{
{
Control
circuit board
www.pahlen.com
Midi Heat Digital ( 3~ 220-240V )
Electric heater with electronic thermostat
18-60kW
K1B
K2B
K3B
K4B
K1A
K2A
K3A
K4A
H2 (heater)
H3 (heater)
H4 (heater)
L1
10mm²
10mm²
10mm²
10mm²
10mm²
10mm²
10mm²
10mm²
10mm²
10mm²
10mm²
10mm²
L2/N
E10071-6
2017-05-09 ASA
3~ 220V- 230V
3~ 220V- 230V
3~ 220V-230V
3~ 220V-230V
P2:
P1:
1
2
L1
N
M
A1
13
14
A1
A1
A1
A1
A1
A1
A1
A2
A2
A2
A2
A2
A2
A2
A2
L1
L2
L3
M
Flow
switch
+45°
T
emp.
sensor
pool
F1
F2
F3
F4
L1
L1
L1
L1
L2
L2
L2
L2
L3
L3
L3
L3
Assembly drawing
(tank)
H3
H4
H2
H1
min.
0,75mm²
0,75mm²
H1 (heater)
Pink
White
White
Blue
Blue
Pink
Overheating
limit control
2
1
External contactor
1-phase
Note: Just signal circuit (5VDC)
Note: Just signal circuit (5VDC)
External contactor
3-phase
L1
L1
L1
L1
L2
L2
L2
L2
L3
L3
L3
L3
Pump circulation
OR
BK
BK
OR
GY
BR
WH
GN
BU
YL/GN
YL/GN
YL/GN
10mm²
YL/GN
4mm²
YL/GN
YL/GN
BK
BR
WH
BK
BR
WH
BK
BR
WH
BK
BR
WH
mm²
*
BK
BR
WH
mm²
*
mm²
*
mm²
*
BK
BR
WH
mm²
*
mm²
*
mm²
*
YL/GN
mm²
*
YL/GN
mm²
*
mm²
*
BK
BR
WH
mm²
*
mm²
*
mm²
*
BK
BR
WH
mm²
*
mm²
*
GN
BK
YL
YL
4mm²
4mm²
YL/GN
mm²
*
BK
L1
F5
5-10A
S1
L2
~220-240V
Pink
White
White
Blue
Blue
Pink
Pink
White
White
Blue
Blue
Pink
Pink
White
White
Blue
Blue
Pink
F1-4 (A)
32A
50A
50A
50A
50A
50A
6mm²
10mm²
10mm²
10mm²
10mm²
10mm²
Effect
Fuses and power cable
2x9=18kW
2x12=24kW
2x15=30kW
3x12=36kW
3x15=45kW
4x15=60kW
Fuse
min.
cable area
*
Cable colours
BU = blue
BR = brown
BK = black
GN = green
GY = grå
OR = orange
YL = yellow
WH = white
BR
3
Pressostat
1
P
2
220–240V 3N~
18-60kW
Flow switch
Location drawing
Tank
External contactor
1-phase
External contactor
3-phase
Over heating
limit control
H1 (heating element)
H2
(heating element)
H3 (heating element)
H4 (heating element)
Pool temp.sensor
Circulation pump
Only the signal circuit (5VDC)
NOTE!
Only the signal circuit
(5VDC)
Transformer
Fuse
Fuse
Control circuit board
Fuses & power cables
Effect
Fuse
F1-4
* = Min.
cable area
Blue
White
Pink
Blue
Blue
White
Pink
Blue
Blue
Pink
White
Blue
Blue
White
Pink
Blue
Cable colours
BK = Black
BR = Brown
BU = Blue
GN = Green
GY = Gray
OR = Orange
WH = White
YL = Yellow
NOTE!
Pressure
guard
Pink
White
White
Pink
White
Pink
White
Pink
