Operation of the unit
05/20 E&OE
Page 8
6.0
Schematic and main components
DH
Primary Flow
DH
Primary Return
Mixing Valve
F
A
E
D
C
B
G
2
5
6
3
4
8
10
7
11
15
14
13
12
DPCV
(optional extra)
Heat Meter
(optional extra)
9
A
Primary FLOW connection
3/4”
M
B
Primary RETURN connection
3/4”
M
C
Central Heating FLOW
3/4”
M
D
Central Heating RETURN
3/4”
M
E
COLD water IN supply connection
1/2”
M
F
COLD water OUT supply
OPTION
1/2”
M
G
HOT Water OUT (DHWS)
1/2”
M
1
Electronic Controller
TH860001
2
Solenoid Zone Valve
TH920003
3
Mixing Valve Stepper Motor
TH960001
4
Diverter Valve Stepper Motor
TH960001
5
CH Temperature Sensor
TH980001
6
CH Safety Cut Out Klixon
EL800026
7
DHW Temperature Sensor
TH980001
8
Water Meter
TBA*
9
Heat Exchanger 40 Plate
HE884098
10
Drain Valve
PF920007
11
DHW Flow Switch
TH860003
12
Pump Erp compliant
TH900003
13
Heat Meter Calculator
TBA*
14
Heat Meter Temp. Sensor
TBA*
15
Strainer
PF941020
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V3 DIRECT
