Water Circuit - PENSOTTI PCH 18 Instruction Manual

2.4 Water circuit

LEGEND
SAFETY THERMO FUSE
1.
AIR PRESSURE SWITCH
2.
HEATING SENSOR
3.
HEATING SAFETY THERMOSTAT
4.
PREMIX BURNER UNIT (GAS
5.
MANIFOLD+BURNER)
IONISATION ELECTRODE
6.
EXPANSION VESSEL
7.
PRIMARY CONDENSING HEAT
8.
EXCHANGER
FAN
9.
ELECTRONIC GAS VALVE
10.
AUTOMATIC AIR VENT VALVE
11.
PUMP
12.
3 BAR PRESSURE RELIEF VALVE
13.
AUTOMATIC BY-PASS
14.
SYSTEM DRAIN VALVE
15.
FLUE HOOD
16.
17. IGNITION TRANSFORMER
IGNITION ELECTRODE
18.
VENTURI
19.
ROOM SEAL CHAMBER BACK SIDE
20.
WATER PRESSURE SWITCH
21.
CONDENSATE TRAP
22.
CONDENSATE DRAIN PIPE
23.
FLOW LIMITER
24.
WATER PRESSURE GAUGE
25.
NO-RETURN VALVE
26.
FILLING TAP
27.
INSTALLATION INSTRUCTIONS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
LEGEND
HR
HF
G
CWI
SC
7
CWI
SC
HR
G
HEATING RETURN
HEATING FLOW
GAS
COLD WATER INLET
CONDENSATE DRAIN
16
17
18
19
20
21
22
23
24
25
26
HF
27