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Fig. 8-33 Circulation Pump
Fig. 8-34 Loosen the four blue-circled screws (Step 3)
Fig. 8-35 Pop snap fitting open (Step 4)
8.11 Replacing AC Chiller Pump
Tools and supplies required:
• 7/16” wrench
• 5/16” nut driver
• small flat blade screwdriver
1. Remove internal components from the Chiller frame and
separate them into 2 sections (Steps 8.6, 8.7 or 8.8).
2. Remove the pump power connector from the Mains Voltage
Circuit Card.
3. Using the 5/16” nut driver, remove the ground connection by
unscrewing and removing the nut shown in Figure 8-33.
4. Remove the two bolts on either side of the Chiller Pump.
5. Remove the Chiller Pump.
6. Use the small flat blade screwdriver to pop open the clamp
connecting the Chiller Pump tubing to the drain port. (Use pliers
when reconnecting.)
7. When reinstalling, insert the seal into the tank first and then
reinstall the pump.
Fig. 8-36 Chiller Pump
Fig. 8-37 Ground connection to be removed;
location of nut is indicated (Step 3)