RVR Energy Technology MICROMAT EC 45, Instruction For Usage, Installation & Commissioning, Page: 37 / 56

37
17.0 electrical
connections
E n e r g y T e c h n o l o g y
Ltd.
Typical electrical connection schematic to suit system type 5
Supply
230V
Room Ther mostat
And T ime Switch
**
C1
1
2
O S
4
3
2
5
1
* Outside Air
Sensor
RE2132
Modulating
Room unit
**
GND
PMW
+24V
*** Cylinder
Thermostat &
Time Switch
C2
QAW44 optional
Remote Sensor
=
W
eiland Plugs / Soc
kets
= Control soc
kets on control panel.
PR
O 1 has f
actor
y made on plugs and leads f
or these connections
1
3
1
3
4
5
6
X16
X3
L1
PE
N
L1
PE
N
L2
A1
A2
R1
R2
R3
4
5
6
1
2
*** HWS
Sensor
L
P E
N
HWS Primar y
Pump 2A Max
L1
PE
N
X3
10
5
6 1
PR
O 1
1 2 3 4 5 6 7 8
ON OFF
Boiler Dip Switch Settings
ON OFF
NO
TE:
All Connections into PR
O 1
are made via labelled f
actor
y fitted
Cab
les
L
PE
N
X16
2
1
Heating Pump 2A
Max
1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8
ON OFF
1 2 3 4 5 6 7 8
ON OFF
Outside sensor installed.
Room stat
& time s
witch installed.
No outside sensor
. Room stat &
time s
witch installed.
Outside sensor installed.
RE2132
modulating room unit installed. No outside sensor
. RE2132
modulating room unit installed.
Install only if direct-on-boiler w
eather compensated flo
w
temper
ature are required.
Install only one method of e
xter
nal
time and room temper
ature control.
If room and stat time s
witch are
required, then do not install RE2132 room unit and vice v
ersa.
Install only one method of HWS temper
ature
control.
The use of an HWS sensor will allo
w no
time control o
ver hot w
ater production.
If timed hot
w
ater control is required then do not install an HWS
sensor
, b
ut install only times
witch & cylinder
ther
mostat.
*
**
***
W
eiland Plug No
. 2 not sho
wn.
Used only on LPG
installations where an additional gas saf
ety shut of
f
valv
e is required.
2