TELEPHONE:
650-969-8811
TOLL-FREE (US/Canada):
800-446-8811
FAX:
650-965-0764
EMAIL:
WEB:
10
of
38
Figure 3.
DIP switch and JP9 jumper location
Power Loss Restart
The Terranova® 752A may be set to automatically restart high voltage operation after a power
outage. If high voltage was enabled before the interruption, high voltage operation will
commence
–
first on CHANNEL 1, then CHANNEL 2
–
once power to the control unit is restored.
The safety interlock circuit must remain closed throughout the entire process for a successful
power loss restart. The automatic restart function is by default disabled.
To enable the power
loss restart:
1.
Turn the unit OFF via the
POWER
switch
2.
Remove the power cord and ion pump cable
3.
Remove the six screws along the edge of the top cover
4.
Carefully lift the top cover and disconnect the fan plug
5.
Remove top cover
6.
Locate DIP Switch S1-2
–
see
Figure 3
7.
Set DIP Switch S1-2 to the ON position according to
Table 2
8.
Connect the fan plug and replace top cover
9.
Connect the ion pump cable and power cord
10.
Restart the unit via the
POWER
switch
Restart DIP Switch S1-2
Disabled
OFF
Enabled
ON
Table 2.
DIP Switch S1-2 state
Once the Terranova® 752A is powered ON, the unit will commence the S
elf-Test.
Thereafter,
the control unit will resume normal operation.
