Main Components
1
Circulating pump - heating
2
Circulating pump - hot water (primary store)
3
Plate heat exchanger
4
Pressure switch
5
Flow switch
6
Thermostatic mixing valve
7
Automatic air vent
8
Manual air vent (x 2)
9
Pressure relief valve
10
Filling hose
11
Filling loop - cold inlet isolating valve
12
Filling loop - heating system isolating valve
13
Isolating valve - cold inlet
14
Isolating valve - heating return
15
Non return valve (x 2)
Connections/pipe
A
Heating system flow - push-fit elbow
B
Heating system return - push-fit elbow
C
Cold water inlet - push-fit elbow
D
Hot water outlet - push-fit elbow
E
Pump isolating valves - heating pump
F
Pump isolating valves - hot water (store) pump
G
Primary inlet to store
H
Primary outlet from store
I
Primary inlet to condensing heat exchanger
J
Primary outlet from condensing heat exchanger
K
Primary return to main heat exchanger
L
Primary flow manifold
M
Primary return manifold
N
Primary flow to heating (store) pump
O
Primary flow to plate heat exchanger
P
Primary return to boiler
Q
Cold water inlet manifold
R
Hot water flow to blending valve
S
Hot water outlet from blending valve
11 - BOILER COMPONENTS
Outdoor Combi 90 V3, Combi Max and Condensing Combi
42
Fig. 31 - Condensing Combi components/connections