Glow-worm Easicom 28 Installation And Servicing

0020145065_01 - 09/12 - Glow-worm
TECHNICAL DATA
5 Betacom
2
Boiler, type C13, C33, C43
Description Unit 24 28
Gas category ll
2H3P
ll
2H3P
SEDBUK rating 2009 % 89.0% 88.5%
Heating
Maximum heating input power kW 18.5 24
Minimum heating output power at
80/60°C (P min.)
kW 7.7 8
Maximum heating output power at
80/60°C (P max.)
kW 18.0 23.3
Minimum heating output power at
50/30°C (P min.)
kW 8.5 8.8
Maximum heating output power at
50/30°C (P max.)
kW 19.6 25.3
Minimum heating temperature °C 10 10
Maximum heating temperature °C 80 80
Minimum heating ow rate l/h 400 400
Content of heating expansion
vessel
l 8 8
gallons 1.76 1.76
Heating expansion vessel preset
pressure
bar 0.75 0.75
psi 10.9 10.9
Maximum heating system volume
(approx)
l 160 160
Heating safety valve preset
pressure (PMS)
bar 3 3
lbf/in² 36/3 36/3
Domestic Hot Water
Minimum DHW output power (P
min.)
kW 8 8
Maximum DHW output power (P
max.)
kW 24 28
Maximum DHW temperature °C 60 60
Specic ow rate (∆T of 35 K) l/min 9.8 11.5
Minimum inlet water pressure
bar 0.3 0.3
psi 4.3 4.3
Maximum inlet water pressure
bar 10 10
psi 145 145
Combustion
Appliance NOx class 5 5
Electrical
Electrical supply V/Hz
230V /
50Hz
230V /
50Hz
Standby mode electrical power W 6 6
Operational mode electrical power
(Max)
W 151 151
Internal fuse rating on main PCB A 2 2
Index of electrical protection (EN
60529)
IPX4D IPX4D
Description Unit 24 28
Gas connection Ø O.D. mm 15 (copper) 15 (copper)
Heating flow and return connection
Ø O.D.
mm 22 (copper) 22 (copper)
Domestic Hot Water connection
Ø O.D.
mm 15 (copper) 15 (copper)
Condensate connection Ø I.D. mm
Pusht
Plastic
Pusht
Plastic
Safety valve discharge connection
Ø O.D.
mm 15 (copper) 15 (copper)
Lift weight
kg 37 38
lb 82 84.8
Total weight (installed) kg 42 43
Number of CE certicate
1312 BU
5334
1312 BU
5334
Description Unit 24 28
Natural Gas G 20 (15 °C, 1013.25 mbar)
Maximum DHW gas ow rate
m
3
/h
2.54 2.96
Maximum heating gas ow rate
m
3
/h
1.96 2.54
Minimum gas ow rate
m
3
/h
0.85 0.88
CO
2
at Qmax DHW + "tolerance
case ON"
% 9.2 ± 0.3% 9.2 ± 0.3%
CO
2
at Qmax DHW + "tolerance
case OFF"
% 9.0 ± 0.2% 9.0 ± 0.2%
CO
2
at Qmin +
"tolerance case ON"
% 8.9 ± 0.3% 8.9 ± 0.3%
CO
2
at Qmin +
"tolerance case OFF"
% 8.7 ± 0.2% 8.7 ± 0.2%
Inlet pressure mbar 20 20
Propane Gas G 31 (15 °C, 1013.25 mbar)
Maximum DHW gas ow rate kg/h 1.87 2.17
Maximum heating gas ow rate kg/h 1.44 1.87
Minimum gas ow rate kg/h 0.62 0.645
CO
2
at Qmax DHW + "tolerance
case ON"
%
10.3 ±
0.3%
10.3 ±
0.3%
CO
2
at Qmax DHW + "tolerance
case OFF"
%
10.1 ±
0.3%
10.1 ±
0.3%
CO
2
at Qmin +
"tolerance case ON"
% 9.8 ± 0.3% 9.8 ± 0.3%
CO
2
at Qmin +
"tolerance case OFF"
% 9.6 ± 0.2% 9.6 ± 0.2%
Inlet pressure mbar 37 37
TECHNICAL DATA
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Glow-worm Easicom 28 Specifications

General

Type	Combi Boiler
Output	28 kW
Energy Efficiency Rating	A
Mounting	Wall Mounted
Central Heating Output	24 kW
Domestic Hot Water Output	28 kW
Fuel Type	Natural Gas
Central Heating Max Pressure	3 bar