TECHNICAL CHARACTERISTCS
13
2.4 Water circuit
LEGEND
1.
AIR PRESSURE SWITCH
2.
HEATING SAFETY
THERMOSTAT
3.
HEATING SENSOR
4.
PRIMARY CONDENSING HEAT
EXCHANGER
5.
PREMIX BURNER UNIT (GAS
MBURNER)
6.
IONISATION ELECTRODE
7.
EXPANSION VESSEL
8.
FAN
9.
ELECTRONIC GAS VALVE
10.
NO-RETURN VALVE
11.
AUTOMATIC AIR VENT VALVE
12.
PUMP
13.
SAFETY VALVE 3/4
"
14.
SYSTEM DRAIN VALVE
15.
AUTOMATIC BY-PASS
16.
SAFETY THERMO FUSE
17.
IGNITION TRANSFORMER
18.
IGNITION ELECTRODE
19.
CONDENSATE DRAIN PIPE
20.
VENTURI
21.
ROOM SEAL CHAMBER BACK SIDE
22.
LOW WATER CUT OUT SWITCH
23.
CONDENSATE TRAP
24.
CONDENSATE DRAIN PIPE
25.
PLATE EXCHANGER
26.
ELECTRONIC FLOWSWITCH
27.
DIVERTER VALVE ACTUATOR UL/CSA
28.
FLOW LIMITER
29.
WATER PRESSURE GAUGE
30.
FILLING TAP
31.
PRESSURE RELIEF VALVE 7 BAR - HOT WATER
32.
MAGNESIUM ANODE
33.
D.H.W. SENSOR
34.
CYLINDER
35.
CYLINDER DRAINING TAP
36.
EXPANSION VESSEL D.H.W.
LEGEND
HR
HEATING RETURN
HF
HEATING FLOW
G
GAS
CWI
COLD WATER INLET
HWO
HOT WATER OUTLET
SC
CONDENSATE DRAIN
HF
CWI
G
HWO
HR
SC
11
1
3
2
18
6
7
4
5
8
9
11
12
14
26
24
23
27
25
21
19
20
31
32
34
10
33
13
35
15
17
22
16
36
Summary of Contents for PCI 18
Page 8: ...GENERAL INFORMATION 5 ...
Page 9: ...GENERALInformation 6 ING ...
Page 10: ...GENERALInformation 7 ...
Page 11: ...GENERALInformation 8 ...
Page 25: ...INSTALLATION INSTRUCTIONS 22 3 6 Piping Diagram ...
Page 33: ...INSTALLATION INSTRUCTIONS 29 Venting Pictures Illustrations ...
Page 63: ...INSTALLATION INSTRUCTIONS 59 6 8 Wiring diagrams ...