Glow-worm Swift flow 100 Installation Instructions Manual page 2

63
101
KEY:
22mm COMPRESSION
CENTRAL HEATING
15mm COMPRESSION
DOMESTIC WATER
1 / 1 /
Rc ( in. BSPT)
2 2
GAS CONNECTION
ALL DIMENSIONS in MILLIMETRES
WATER
THROTTLE
MINI
EXPANSION
VESSEL
FANNED
FLUE
EXPANSION
VESSEL
HEAT EXCHANGER
MAIN BURNER
FLOW
SWITCH
SAFETY
VALVE
GAS VALVE
GAS
C.H.
D.H.W.
SUPPLY
FLOW
COLD
INLET
SAFETY
VALVE DISCHARGE
221017B
1 G e n e r a l
331
168
AUTOMATIC
AIR VENT
PILOT
BURNER
PUMP
PRESSURE
SWITCH
C.H.
D.H.W.
RETURN
HOT
OUTLET
Diagram 1.2
133
SAFETY
VALVE
DISCHARGE
783
66
107
The instructions consist of three parts, Installation,
Servicing and Instructions for Use. They are an integral
part of the appliance and must be handed to the user on
completion of the installation.
Gas Testing and Certification
The boiler is tested and certificated for safety and
performance. It is, therefore, important that no alteration
is made to the boiler unless approved, in writing, by
Hepworth Heating Ltd.
Any alteration not approved by Hepworth Heating Ltd.,
could invalidate the certification, boiler warranty and
may also infringe the current issue of the Statutory
requirements.
This boiler will be fitted with either a Honeywell or SIT
Gas Valve.
The valve used can be identified as shown:
HONEYWELL
2
450
63
25
66
2.5
107
Diagram 1.1
S.I.T.