Fuses & power settings, On 8.1 – Carbolite VST Series User Manual
Page 15
HST, VST
MF13 – 3.40
15
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 25Amp/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
Volts
Supply Fuse
Rating
HST & VST 12/200
1-phase
200-240
5A
110-120
10A
HST & VST 12/300
1-phase
200-240
10A
110-120
15-16A
HST & VST 12/400
1-phase
200-240
10A
110-120
20A
HST & VST 12/500
1-phase
200-240
12.5A
110-120
25A
HST & VST 12/500
3-phase + N
380/220-415/240 5A
HST & VST 12/500
3-phase delta 200-240
10A
HST & VST 12/600
1-phase
200-240
15-16A **
HST & VST 12/600
3-phase + N
380/220-415/240 5A
HST & VST 12/600
3-phase delta 200-240
10A
HST & VST 12/900
1-phase
200-240
25A
HST & VST 12/900
3-phase + N
380/220-415/240 10A
HST & VST 12/900
3-phase delta 220-240
15A
Other models or voltages: check the rating label for details of the supply.
Before March 2001 – please check with Carbolite if in doubt
8.2 Power Settings
The standard power limit settings (parameter
OP.Hi
) are as follows:
Volts:
HST or VST 12/--
100V
200V
208V
110V
220V
380V
230V
400V
120V
240V
415V
127V
254V
440V
before March 2001 – all models
100
100
100
100
100
89
from March 2001 **
100
100
89
82
75
67
See section 3.6 for further detail.
** Exceptions: models with 240V elements may be supplied in the following circumstances; they
have power settings of 100%.
- furnaces without controls
- model /600 for use on a UK 13A supply