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5.3 AUTOMATICALLY REDUCE CHLORINE OUTPUT WHEN POOL COVER
CLOSES
When the pool cover is closed, the Digital Nano/Nano+ will automatically reduce the chlorine output to
20% of the normal open cover setting.
*
This only applies to models that are equipped with the optional 863A Expansion Board and the
cover position switch is connected to the unit. See
“Connecting the Retractable Cover Switch” in
section 8.6.3 on page 32 for more information.
SECTION 6 - MAINTENANCE
6.1 FUSE LOCATION AND RATINGS
WARNING:
Failure to heed the following may result in permanent injury or death.
ELECTRICAL SHOCK HAZARD
– Turn off the electrical power to unit before
servicing.
To inspect or service fuse, disconnect power and remove power center cover (see below for location of
fuse).
Ratings
BOARD
FUSE SPECIFICATION
DESCRIPTION
Main Power Board When Converted to 115V
75041A, 75043A, 75041A-xx, 75043A-xx
250 Vac 2 Amp Slo Blo
Main AC Power Fuse for
115 Vac operation
Main Power Board (Factory set as 230 Vac)
75041A, 75043A, 75041A-xx, 75043A-xx
250 Vac 1 Amp Slo Blo
Main AC Power Fuse for
230 Vac operation
Location of Fuse
Fuse
Figure 3
Figure 4
