3
Minimiser - Installation
Boiler Size FF 30 FF 40 FF 50 FF 60 FF 70 FF 80
Boiler input Nett kW 9.2 12.3 15.3 18.4 21.5 24.6
CV Btu/h 31,400 42,000 52,200 62,800 73,400 84,000
Boiler input Gross kW 10.2 13.6 17.0 20.4 23.9 27.3
CV Btu/h 34,900 46,500 58,100 69,800 81,400 93,000
Gas consumption l/s (cu.ft/h) 0.26 (33.6) 0.35 (44.9) 0.44 (56.1) 0.53 (67.3) 0.62 (78.6) 0.70 (89.8)
Boiler output 70° C Mean water kW 8.8 11.7 14.7 17.6 20.5 23.4
temperature Btu/h 30,000 40,000 50,000 60,000 70,000 80,000
40° C Mean water kW 9.4 12.5 15.7 18.8 21.9 25.1
temperature Btu/h 32,100 42,800 53,500 64,200 74,900 85,600
Burner Setting mbar 10.7 10.0 8.6 10.5 5.3 8.8
pressure (HOT) in.w.g. 4.3 4.0 3.5 4.2 2.1 3.5
Boiler Size FF 30 FF 40 FF 50 FF 60 FF 70 FF 80
Gas supply connection (in. BSP) Rc
1/2 (1/2" BSP Female)
Flow connection 22mm copper (via adaptors 28mm copper
(FEMALE) supplied) (MALE)
Return connection 22mm copper (via adaptors 28mm copper
(FEMALE) supplied) (MALE)
Maximum static water head m (ft.) 30.5 (100)
Minimum static water head m (ft.) 0.45 (1.5)
Electrical supply 230 V ~ 50 Hz
Boiler power consumption 50W
Fuse rating External: 3A Internal: F2A to BS 4265
Water content litre (gal.) 1.65 (0.36) 1.95 (0.43)
Dry Weight kg (lb.) 26.0 (57.3) 27.0 (59.5)
Boiler size Height mm (in.) 600 (23.6)
Width mm (in.) 390 (15.0)
Depth mm (in.) 270 (10.6)
Flue duct diameter mm (in.) 100 (4.0)
GENERAL
PERFORMANCE DATA
Table 2 - Performance Data
Table 1 - General Data
Notes.
To obtain the gas consumption:-
a. For l/s divide the gross heat input (kW) by
C.V. of the gas (MJ/m
3
)
b. For ft
3
/h divide the gross heat input (Btu/h)
by 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 certificated for safety
and performance. It is, therefore, important that no external
control devices, e.g. flue dampers, economisers etc., are
directly connected to these appliances unless covered by these
Installation and Servicing Instructions or as otherwise
recommended by Caradon Ideal Limited in writing. If in doubt
please enquire.
Any direct connection of a control device not approved by
Caradon Ideal Ltd. could invalidate the certification and the
normal appliance warranty. It could also infringe the Gas Safety
Regulations and the above regulations.
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