65
7.6
Power Circuit Card
Tools and Supplies Required:
1/16” hex key
Note:
The machine does not have to be drained in order to
complete this procedure.
Note:
Observe electrostatic discharge control procedures when
handling circuit cards.
1. Remove the rear panel per Section 7.3.
2. Remove the Power Circuit Card (second from left) by removing
the bottom allen head screw with a 1/16" allen wrench and
carefully prying the bracket at the top with a flat head screw
driver.
3. Carefully slide the circuit card out of the card cage until the
card protrudes approximately one inch to expose the Piezo
Alarm and the DC Power cable connectors. Disconnect the
Piezo Alarm and DC Power cables.
4. Carefully slide the Power circuit card approximately another
inch and disconnect the AC Sync cable.
5. Now the Power circuit card may be fully removed.
6. After re-assembly of the unit, it is recommended to perform a
Dielectric Withstand (Hipot) Chassis Test per Section 7.23.
Power Circuit Card
Figure 7.13
7.7 Power
Module
Tools and Supplies Required:
1/16” hex key
Note:
Observe electrostatic discharge control procedures when
handling circuit cards.
1. Remove the rear panel per Section 7.3.
2. Remove the right side panel per Section 7.4.
3. Remove the Power circuit card per Section 7.6.
4. Disconnect the Chiller Power cable from the back of the card
cage per Section 7.5.
5. Disconnect the heater power cable at the bottom of the card
cage per Section 7.5.
6. Remove the Power Module by removing the 1/16" hex head
screws at the top and bottom of the bracket and carefully pulling
outward.
7. After re-assembly of the unit, it is recommended to perform a
Dielectric Withstand (Hipot) Chassis Test per Section 7.23.
Power Module
Figure 7.14
Summary of Contents for Arctic Sun 2000
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