21
GV
PV
0
4
3
2
1
5
6
100
200
800
700
600
500
400
300
900
1000
1100
1200
l/h
mCE
Minimum flow (thermostatic valves closed)
Operating Pressure
A
BC D E
F
Other
Users
Pressure
Reducing Valve
Cold Water Inlet
13
Drain Tap
(at lowest point)
12
11
10
9
8
8
4
5
6
7
V
3
1
2
16
Fig. 10.5
A -
Gas Inlet
B -
C.H. Return
C -
C.H. Flow
D -
D.H.W. Secondary Return
E -
D.H.W. Flow
F -
C.W. Inlet
1 -
Gas Meter Inlet Cock
2 -
Gas Meter
3 -
Gas Meter Outlet Cock
4 -
Internal Gas Cock
5 -
Appliance Gas Inlet Cock
6 -
Cold Water Inlet Cock
7 -
D.H.W. Expansion Vessel
8 -
Cock
9 -
Secondary Return Pump
10 -
Thermostat
11 -
Time Control Clock
12 -
T&P Valve
13 -
Tundish
N
OTE
: B
OILER CONNECTIONS SHOWN FROM THE REAR OF THE APPLIANCE
Residual Head of the Boiler
∆
T = 20
o
C
Fig. 10.6
m/H
2
O
Summary of Contents for GENUS 30 Plus
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