• SIGNA MR355 / SIGNA MR360
  • Service Manual
  • 5856356-3EN Revision 5.0
  • Basic Service Documentation. Copyright General Electric Company.
  • Object ID: 00000018WIA30432030GYZ
  • Topic ID: id_13106090 Version: 1.3
  • Date: Jul 5, 2019 10:46:04 PM

Water Manifold

Prerequisites

Table 1. Personnel requirements
Required personsPreliminary requirementsProcedureFinalization
1Not Applicable60 minutesNot Applicable
Table 2. Tools and test equipment
ItemQuantityEffectivityPart numberManufacturer
Coolant Tank (Attached in System Cabinet)1---
Water tray (Attached in System Cabinet)1---
Hand Pump (Attached in System Cabinet)1---
Phillips Driver1---
Standard Tool1---
Table 3. Replacement parts
ItemQuantityEffectivityPart numberManufacturer
Water Manifold1---
Table 4. Safety
Table 5. Required conditions
ConditionReferenceEffectivity

System Main Breaker is OFF. Refer to System Cabinet PDU Main Breaker LOTO Procedure.

--

Procedure

  1. Remove L Front Upper Cover and Front Lower Cover.　Refer to SC Cover Removal.
  2. Remove Water Manifold Access Cover by removing two screws.
  3. Close the Manifold Valves.
    Figure 1. Water Manifold Access Cover and Manifold Valves
  4. Set the equipped water tray on drip for false operation prevention of sensor.
  5. Disconnect the all quick couplers of unit side from water manifold.
  6. Set the drain hoses to the equipped coolant tank.
    Note:

    The Equipped Coolant Tank is found in the drip pan of SC left side.

    Note:

    The water tray is found in SC Left shelf under cabinet monitor.

    Figure 2. Location of Coolant Tank, Water tray, and Hand Pump
  7. Open the drain valves.
  8. Remove the hose clamps by removing 4 nuts and disconnect the IN/OUT hoses from the water manifold.
    Figure 3. Disconnect Hoses and Draining Setting
  9. Connect equipped hand pump to hose of one side, and push out remaining coolant.
  10. Disconnect connectors of leak sensor if it interferes to withdraw water manifold assy.
  11. Loosen 2 screws of front side of water manifold assy.
  12. Withdraw the water manifold assy from SC.
    Figure 4. Push Out Coolant
  13. Loosen 2 nuts of water manifold under side with 10 mm wrench.
  14. Remove the water manifold assy by removing 3nuts with 10 mm wrench.
    Figure 5. Water Manifold Removal
  15. Install the water manifold with reverse order of removal.