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Technical data

ManualsBrandsMHS Boilers ManualsHome building and DecorEF500
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L1
PE
N
L1
PE
PE
A1
A2
R1
R2
R3
1
2
L2
L1
N
N
PEPRO1
L
N
1
4
2
10 6
51
1
3251
2
OS
**
*
1 3 4 5 6X3
X16
Heating
Pump
2A Max
NOTE: re cables into
PRO 1
Room Thermostat
And Time switch
**
RE2132
Modulating
Room Unit
QAW 44
Optional
Remote
Sensor
Outside Air
Sensor
Not Used
GND
PWM
+24V
Outside sensor
installed. Room
stat & time
switch installed.
Outside sensor
installed. RE2132
modulating room
unit installed.
No outside
sensor. Room
stat & time
switch installed.
No outside
sensor. RE2132
modulating room
unit installed.
Boiler Dip Switch Settings
= Weiland Plugs/Sockets
= Controls Sockets on Control panel
X3,X16
1 3 4 5 6
Install only if direct-on-boiler weather
compensated flow temperature is
required.
Weiland plug Nr2-notshown. Used only
on LPG installations where an additional
remote gas safety shut off valve is req'd.
Install only one method of external time
and room temperature control. If room
and stat time switch are required, then
do not install RE2132 room unit and
vice versa.
*
* *
2
Supply
230 V
Low Pressure
Switch break
on Pressure Fall