Medivance Arctic Sun Stat, Руководство по обслуживанию

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46
Service Manual
8.21 Replace the Flowmeter
Tools and Supplies required:
• Flat blade screwdriver
• Small flat blade screwdriver
• Wire cutters
1. Remove the Circulation Pump per step 8.19.
2. Remove the insulation from around the flowmeter.
3. Unscrew the flowmeter with tubing attached
from the outlet of the pump head. Remove tubing
from opposite end of flowmeter for reuse during
reassembly.
4. Install the new flowmeter on the pump outlet and
install tubing previously removed. Insulate the
flowmeter after installation is complete.
Note : When installing the new flowmeter observe
arrow that indicates direction of flow. This arrow
should be oriented away from the pump.
5. Reinstall the Circulation pump.
Fig 8-53 Flowmeter
Fig 8-54 Flowmeter with arrow indicating direction of flow;
same direction as Circulation Pump outlet
8.22 Repairs requiring removal of Internal Components
Tools and Supplies required:
• 7/16” (11mm) wrench
• 1/16” (1.5mm) hex key
• Small flat blade screwdriver
The following repairs will require the removal of the Internal
Components via the following steps.
Attention : Ensure the unit is drained prior to completing any
repairs in this section.
1. Loosen the two (2) hose clamps that hold the
molded tube (Y tube) to the chiller evaporator.
2. Using a 7/16” (11mm) nut driver, remove the two
(2) screws that hold the connection panel to the
chiller frame.
3. Using a 7/16” (11mm) nut driver, remove the six (6)
screws that mount the internal components to the
chiller frame.
4. Using a 1/16” (1.5mm) hex key, remove the two (2)
screws that hold the drain cup to the chiller frame.
5. Disconnect the chiller wire harness (J5) from the AC
PCB.
6. Remove L tube, connected to the top of the chiller
evaporator, from the tank and push off to the side.
7. Gently pull the drain cup/drain valves from tubing
and set to the side for reassembly.
8. If desired, gather and secure cabling to prevent the
cables from being caught and damaged on frame
prior to removing internal components. Photo
9. Lock the caster wheels and pull the internal
components from the chiller frame.
10. After removing the internal components, lay the
components in a secure place on its side.
Fig 8-55 Loosen hose clamps connecting Y-tube to evaporator