Fuses & power settings, On 8.1 – Carbolite RHF Series 3 litre - 35 litre User Manual
Page 14

RHF
14
MF07 – 3.10
8.0 F
USES
&
P
OWER
S
ETTINGS
8.1 Fuses
F1-F3: Refer to the circuit diagrams.
F1
Internal
supply fuses
Fitted if supply cable fitted.
Fitted on-board to some types of EMC filter.
on-board and up to 16 Amps:
32mm x 6mm type F
other: GEC Safeclip
F2
Auxiliary
circuit fuses
Fitted on-board to some types of EMC filter.
May be omitted up to 10 Amp/phase supply rating.
2 Amps glass type F
On board: 20mm x 5mm
Other: 32mm x 6mm
F3
Heat Light
fuses
May be omitted up to 25 Amp/phase supply rating. 2 Amps glass type F
32mm x 6mm
Customer
fuses
Required if no supply cable fitted.
Recommended if cable fitted.
See rating label for
amperage; see table below
for fuse rating.
Model
phases
Volts
Supply Fuse Rating
RHF 14/3
1-phase
200-240
32A (or 30A)
RHF 14/3
2-phase + N
380/220 - 415/240
16A/ph (or 15A)
RHF 15/3,16/3
1-phase
200-240
40A
RHF 15/3,16/3
2-phase + N
380/220 - 415/240
20A/ph
RHF 14/8
1-phase
200-240
63A
RHF 14/8
2-phase + N
380/220 - 415/240
32A/ph (or 30A)
RHF 15/8,16/8
1-phase
200-240
63A
RHF 15/8,16/8
3-phase + N
380/220 - 415/240
20A/ph
RHF 15/8,16/8
3-phase delta
220-240
32A/ph
RHF 15/8,16/8
3-phase delta
208
40A/ph
RHF 14/15
3-phase + N
380/220 - 415/240
25A
RHF 14/15
3-phase delta
220-240, 208
40A/ph
RHF 15/15,16/15
3-phase + N
380/220 - 415/240
25A/ph
RHF 15/15,16/15
3-phase delta
220-240, 208
50A/ph
RHF 15/15,16/15
3-phase + N
380/220 - 415/240
25A/ph
RHF 15/15,16/15
3-phase delta
220-240, 208
50A/ph
RHF 14/35, 15/35
3-phase + N
380/220 - 415/240
40A/ph
RHF 14/35, 15/35
3-phase delta
220-240, 208
63A/ph
RHF 16/35
3-phase + N
380/220 – 415/240
40A/ph (see note)
RHF 16/35
3-phase delta
220-240, 208
63A/ph (see note)
380-415V 3-wire: same ratings as 3-phase+N
RHF 16/35 – technical note.
All phases should be fused as indicated: the same wire size is used in all three internal circuits. For the
delta configuration the furnace power is set lower to bring the rated current below 63 Amps. The current
ratings for the three phases are:
380/220 – 415/240
208-240 delta
Furnace Power
16000W
15000W
Phase 1
40 Amps
63 Amps
Phase 2
40 Amps
48 Amps
Phase 3
20 Amps
48 Amps