Boiler Size HE15 HE18 HE24 HE30 HE36 HE15-24 HE30-36
max max max max max min min
Input ‘Q’ Nett CV kW (Btu/h)
15.1 (51,500) 18.7 (63,800) 24.4 (83,300) 30.7 (104,700) 37.5 (128,000) 9.1 (31,000) 10.6 (36,200)
Gross CV kW (Btu/h) 16.8 (57,200) 20.7 (70,800) 27.1 (92,500) 34.0 (116,000) 41.6 (142,000) 10.1 (34,400) 11.8 (40,300)
Gas Consumption l/s (cu.ft/h) 0.43 (54.7) 0.53 (68.0) 0.70 (89.7) 0.88 (111.9) 1.07 (136.0) 0.26 (33.3) 0.30 (38.4)
Output ‘P’
70
o
c Mean Water temp. kW (Btu/h)
14.6 (50,000) 18.2 (62,300) 23.4 (80,000) 30.1 (102,700) 37.0 (126,200) 8.8 (30,000) 10.6 (36,200)
40
o
c Mean Water temp. kW (Btu/h)
15.5 (53,000) 19.2 (65,700) 25.1 (85,700) 32.8 (111,800) 39.8 (135,800) 9.6 (32,800) 11.4 (38,900)
CAUTION.
To avoid the possibility of injury during the installation, servicing or cleaning
of this appliance, care should be taken when handling edges of sheet steel components.
Note.
Gas consumption is calculated using a caloric value of
38.7 MJ/m
3
(1038 Btu/ft
3
) gross or 34.9 MJ/m
3
(935 Btu/ft
3
)
nett. To obtain the gas consumption at a different caloric
value:-
a. For l/s - divide the gross heat input (kW) by the gross
C.V. of the gas (MJ/m
3
)
b. For ft
3
/h - divide the gross heat input (Btu/h) by the
gross C.V. of the gas (Btu/ft
3
)
c. For m
3
/h - multiply l/s by 3.6
Key to symbols
GB IE = Ireland (Countries of destination)
PMS = Maximum operating pressure of water
C
13
C
33
= A room sealed appliance designed for connection
via ducts to a horizontal or vertical terminal which admits
fresh air to the burner and discharges the products of
this case, are concentric. The fan is up stream of the
combustion chamber.
I
2H
= An appliance designed for use on 2nd Family gas, Group
H only.
*
Table 1 - General Data
Table 2 - Performance Data
Boiler Size HE15 HE18 HE24 HE30 HE36
Gas Supply Connection in. BSP Rc
1
/
2
Rc
1
/
2
Rc
1
/
2
Rc
1
/
2
Rc
1
/
2
Flow and Return Connections 22mm copper 22mm copper 22mm copper 22mm copper 22mm copper
MAXIMUM Static Water Head m (ft.) 30.5 (100) 30.5 (100) 30.5 (100) 30.5 (100) 30.5 (100)
MINIMUM Static Water Head m (ft.) 0.45 (1.5) 0.45 (1.5) 0.45 (1.5) 0.45 (1.5) 0.45 (1.5)
Power Consumption 38W 38W 38W 42W 42W
Water Content litre (gal.) 2.0 (0.44) 2.0 (0.44) 2.0 (0.44) 4.7 (1.0) 4.7 (1.0)
Packaged Weight kg. (lb.) 55.4 (122.4) 55.4 (122.4) 55.4 (122.4) 69 (152) 69 (152)
Maximum Inst Weight kg. (lb.) 52 (114.6) 52 (114.6) 52 (114.6) 68 (150) 68 (150)
Boiler Size Height mm (in.) 850 (33.5) 850 (33.5) 850 (33.5) 850 (33.5) 850 (33.5)
Width mm (in.) 450 (17.7) 450 (17.7) 450 (17.7) 450 (17.7) 450 (17.7)
Gas Type I2H-G20 I2H-G20 I2H-G20 I2H-G20 I2H-G20
Gas Supply Pressure 20mb 20mb 20mb 20mb 20mb
Flue duct diameter mm (in.) 100 (4) 100 (4) 100 (4) 100 (4) 100 (4)
Flue horizontal duct length (max) m 6 6 6 3 3
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