
TELEPHONE:
650-969-8811
TOLL-FREE (US/Canada):
800-446-8811
FAX:
650-965-0764
EMAIL:
WEB:
32
of
38
17.
Re-install the 2-pin shunt jumper to the proper position
–
see
Figure 10
Positive polarity:
Connect PIN 1 and PIN 2
Negative polarity:
Connect PIN 2 and PIN 3
Jumper JP8 activates the proper CHANNEL 1 high voltage polarity
sense pin of the MISCELLANEOUS I/O and AUXILIARY I/O ports;
Jumper JP13 activates the proper CHANNEL 2 high voltage polarity
sense pin of the AUXILIARY I/O port.
18.
Verify all four electrical components are installed to the same polarity setting
19.
Connect the fan plug and replace top cover
20.
Connect the ion pump cable and power cord
21.
Restart the unit via the
POWER
switch
Once the Terranova® 752A is powered ON, the unit will commence the S
elf-Test.
Thereafter,
Terranova® 752A operation may be resumed.
Changing Fuses
The Terranova® 752A contains two slow-blow Type T, 2 A fuses. Both fuses are held in the fuse
assembly located on the back panel of the unit. Recommended replacement fuses are Bussman
GDC-2A and Littelfuse 218 002.
Figure 11
. Terranova® 752A power module
To change fuses:
1.
Turn the control unit OFF via the
POWER
switch
2.
Remove the power cord and ion pump cable
3.
Locate the fuse block immediately below the power cord socket
4.
Press the tab of the fuse block and withdraw the assembly
5.
Inspect and replace faulty fuse(s)
6.
Reinsert fuse assembly into power module
7.
Push fuse assembly into place until assembly tabs “click”
8.
Connect the ion pump cable and power cord
9.
Restart the control unit via the
POWER
switch