Fuses & Power Settings - Carbolite HRF 7/22 Installation, Operation & Maintenence Manual

750c recirculating air furnace
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F
& P
USES
OWER
8.1
Fuses
F1-F3: Refer to the circuit diagrams.
F1
Internal
supply
fuses
F2
Auxiliary
circuit
fuses
Customer
fuses
Model
HRF 7/22
HRF 7/22
8.2
Power Settings
For models made for 254 volts or 440 volts the power limit parameter
in doubt please contact Carbolite.
For all other models in this manual the power limit parameter
Note that the 208V model can safely be used on a 240 supply if and only if the power limit is
changed to 75%.
MF05
S
ETTINGS
Fitted if supply cable fitted.
Fitted on board to some types of EMC filter.
Fitted on board to some types of EMC filter.
Required if no supply cable fitted.
Recommended if cable fitted.
phases
Volts
1-phase
220-240
1-phase
200-208
on-board and up to 16 Amps:
32mm x 6mm type F
other: GEC Safeclip
2 Amps glass type F
On board: 20mm x 5mm
Other: 32mm x 6mm
See rating label for amperage;
see table below for fuse rating.
Supply Fuse
Rating
15A or 16A
15A or 16A
OP.Hi
is set to 100%.
OP.Hi
may be set to 89%. If
HRF
11

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