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.
Table 1 Performance Data
Boiler E320 E400 E480 E560
Boiler output Max kW 314.6 393.2 471.8 550.5
(non-condensing) Btu/h 1,074,178 1,342,552 1,610,926 1,879,642
Mean 70
o
C Min kW 67.8 97.7 105.5 107.7
Btu/h 231,300 333,400 360,000 367,500
Boiler output Max kW 329.0 415.6 498.8 581.8
(condensing) Btu/h 1,122,500 1,418,000 1,701,900 1,985,100
Mean 40
o
C Min kW 75.3 107.5 116.1 118.3
Btu/h 256,900 366,800 396,100 403,600
Boiler Input Net kW 320 400 480 560
Max Rate Btu/h 1,091,800 1,364,800 1,637,800 1,910,700
Gross kW 355.4 444.2 533.0 621.8
Btu/h 1,212,600 1,515,600 1,818,600 2,121,600
Boiler Input Net kW 70 100 108 110
Min Rate Btu/h 238,800 341,200 368,500 375,300
Gross kW 77.6 110.9 119.8 122.0
Btu/h 264,800 378,400 408,800 416,300
Maximum Gas Rate m
3
/h 32.2 40.2 48.4 56.4
ft
3
/h 1138 1420 1710 1992
Approx. ue gas @ max. rate m
3
/h 484 604 726 846
volume (@80
o
C) i.e. non-condensing ft
3
/h 17,100 21,380 25,640 29,920
Max. Flue Resistance Pa 145 145 145 145
Flue Gas CO
2
@ Max Rate % 9.3/9.8 9.3/9.8 9.3/9.8 9.3/9.8
G20/LNG @ Min. Rate % 9.1/9.6 9.1/9.6 9.1/9.6 9.1/9.6
NOx with O
2
= 0% mg/kWh 35 26 26 26
ppm 20 15 15 15
Seasonal Boiler Efciency (Building Regs L2)
95.7 95.7 95.7 95.7
Note.
Natural gas consumption is calculated using a caloric value of
37.8MJ/m
3
(1038Btu/ft
3
) gross or 34 MJ/m
3
(910 Btu/ft
3
) nett at 15
o
C
and 1013.25 mbar.
a. For l/s divide the gross heat input (kW) by the gross C.V. of the gas
(MJ/m
3
)
b. For ft/h
3
divide the gross heat input (Btu/h) by the gross C.V. of the
gas (Btu/ft
3
).
HEALTH & SAFETY DOCUMENT NO. 635
The electricity at work regulations, 1989. The manufacturer's notes
must NOT be taken, in any way, as overriding statutory obligations.
IMPORTANT. These appliances are CE certied for safety
and performance. It is, therefore, important that no external
control devices, e.g. ue dampers, economisers etc., are
directly connected to these appliances unless covered by
these Installation and Servicing Instructions or as otherwise
recommended by Ideal Boilers in writing. If in doubt please
enquire.
Any direct connection of a control device not approved by
Ideal Boilers could invalidate the certication and the normal
appliance warranty. It could also infringe the Gas Safety
Regulations and the above regulations.
Electricity supply and Fuse rating for pumps etc. refer to manufacturer's instructions.
* OPTIONAL HEADER PACK HAS DN80 CONNECTIONS FOR FLOW AND RETURN AND 2" BSP GAS CONNECTION
Table 2 General Data
Boiler E320 E400 E480 E560
Gas supply 2H - G20 - 20mbar
Gas supply connection (in. BSP) 2 x R1 2 x R1 2 x R1 2 x R1
Flow connection (in. BSP) 2 x R2 2 x R2 2 x R2 2 x R2
Return connection (in. BSP) 2 x R2 2 x R2 2 x R2 2 x R2
Hydraulic Resistance @ 20
o
C mbar 100 105 110 120
(with optional water header pack tted)
Max Press (sealed system) bar (psi) 6 (87) 6 (87) 6 (87) 6 (87)
Maximum Static Head m (ft) 61 (200) 61 (200) 61 (200) 61 (200)
Boiler Electricity Supply 230V - 50Hz
Boiler Fuse Rating
2 x External 5A supplies Internal 2AT.4AT (x2)
Power Consumption (boiler only) W 800 800 800 800
Air Inlet O/D mm 110x2 110x2 110x2 110x2
Flue Size dia mm 200 250 250 250
Condensate drain mm 2x21.5 2x21.5 2x21.5 2x21.5
Boiler dry weight (unpacked exc. headers) kg (lb) 336 (740) 396 (874) 430 (948) 466 (1028)
Water Content l (gal) 35 (7.8) 36.8 (8.2) 48.0 (10.6) 54.4 (12.0)
*
*
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