Electrical Supply; Hydraulic Resistance; Boiler Hydraulic Resistance - FULTON FHE-250 Installation, Operation & Maintenance Manual

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2.17

ELECTRICAL SUPPLY

Wiring external to the appliance MUST be in accordance with the current I.E.E. (BS7671) Wiring
Regulations and any local regulations which apply. For Ireland reference should be made to the
current ETCI rules for electrical installations.
The point of isolation from the mains should be readily accessible and adjacent to the boiler.
2.18

HYDRAULIC RESISTANCE

The hydraulic resistance through each FHE-250 module is 441 mbar (44.12 kPa) at full duty
conditions, with a 20°C temperature differential between inlet (return) and outlet (flow).
Page 20
!
WARNING
This appliance must be earthed.
Pressure Drop (kPa)
4.31
15.67
30.39
44.12
FIG. 5 BOILER HYDRAULIC RESISTANCE
FHE-250 MANUAL 09 2014 ISSUE 2
Flow Rate (L/s)
0.83
1.67
2.43
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