Hach-Lange SIGMA SD900 Refrigerated Sampler and All Weather Refrigerated Sampler User Manual - Manual (Page 88)

86
Maintenance
6.10 Fuse Listing
WARNING
Potential Shock and Fire hazards. Only qualified personnel
should conduct the tasks described in this section of the
manual. Always disconnect power to the sampler before
performing any maintenance or service.
DANGER
For continued protection against fire, replace fuses only with
fuses of the same specified type and current rating.
Fuse information for the sampler is listed in Table 6 .
Note: The fuses are not serviceable by the operator.
Table 6 Fuse listing
Operator
accessible
Location
Reference
designator
Circuit
protection
Size Rating
Hach part
number
No
Thermal control
circuit board
(6251400) in
the power
control box
under the rear
cover
( Figure 39 on
page 84 ).
F1
Power supply
output
(15 VDC)
¼ x 1 ¼ inch T, 7A, 250V 6257700
F2 and F3
AC-DC power
supply (AC)
5 x 20 mm
T, 2A, 250V 6257600
F4 and F5
Optional
controller
heater (AC)
T, 5A, 250V 6610000
Circuit board
(8732800)
inside of SD900
controller
F2
SD900
circuits DC
T, 7A, 125 V 8748800