Glow-worm 38cxi Instructions For Use Installation And Servicing

11 0020008154A
24cxi 30cxi 38cxi
Lift Weight 41kg(90lb) 42kg(92.5lb) 44kg(97lb)
Total Weight (installed) 44kg(97lb) 45kg(99lb) 47kg(103.5lb)
● Gas connection Rc
1
/
2
(
1
/
2
in BSPT)
● Heating and return 22mm copper
● Domestic hot water 15mm copper
Safety valve Preset 3bar (43.5lbf/in
2
)
Safety valve discharge 15mm copper
■ Expansion vessel capacity 8 litres (1.76 gallons)
Charge pressure 0.5bar (7.3lbf/in
2
)
Heating system 0.7bar (10.1lbf/in
2
)
minimum pressure
Max. Domestic hot water flow rate
at 35
O
C rise 24 cxi 9.8L/min.
30 cxi 12.3L/min.
38 cxi 15.5L/min.
Min. Domestic hot water flow rate 24/30/38cxi 1L/min.
Maximum flow temperature 63
0
C
■ Maximum heating system 130 litres
water content using (28.6 gallons)
pressurised at 1bar. fitted expansion vessel,
at 75
0
C average system
temperature
Electrical supply 230V~50Hz
Electrical rating 180W fused 3A
IP classification X4D
Internal Fuse rating
On PCB 630mAT
TABLE 1
D.H.W Max. working pressure 10bar (145lbf/in
2
)
Minimum working pressure for
max. domestic flow rate 0.2bar (2.9lbf/in
2
)
1 Technical Information
Diagram 1.2
■ For larger systems use an additional
expansion vessel.
● Ball valves are fitted in water and gas connections.
11976
11979
11603

Glow-worm 38cxi Specifications

General

Model	38cxi
Category	Boiler
Output	38 kW
Efficiency	89.2%
Efficiency Rating	A
ERP Rating	A
Fuel Type	Natural Gas
Mounting	Wall Mounted
Max. Working Pressure	3 bar
Electrical Supply	230V ~ 50Hz
Flow Rate at 35°C Rise	15.7 litres/min
Central Heating Flow Temperature Range	30°C to 80°C
Type	Condensing Combi Boiler
Flow Rate	15.7 litres/min at 35°C rise