ACS 653, ACS 663 Service Manual
SP00D00624
2021-04-08
Robert Bosch GmbH
94
Plumbing and Mechanical
Replacement Flush Manifold
WARNING: Disconnect the unit from
the power source before beginning
service work. Incorrect use or
connections can cause electrical
shock.
WARNING: Wear safety goggles
when working with refrigerants.
Refrigerants can cause eye injury.
WARNING: Use extreme caution when
disconnecting hoses. Pressurized
refrigerant may be present in hoses.
Point hoses away from you and
anyone nearby.
Instructions
These instructions outline the steps to replace
the flush manifold. See Figure 4-6.
Removing the Flush Manifold
1. Clear service hoses and remove them.
2. Disconnect unit from the power source.
3. Remove the front plastic cover.
4. Open the service rear door.
5. Remove the rear cover (above the service
door) by pushing it up and extract it by
pulling it out.
6.
Remove the two screws securing the flush
manifold to the unit.
7.
Remove the flush manifold from the unit.
Installing the Flush Manifold
1.
Install the flush manifold and secure with
two screws.
2. Insert the rear cover so that the 4 holes on
the sides the cover fit into the 4 clips on the
machine. Push down to hook the rear cover.
3. Close the service rear door.
4. Reinstall the plastic frontal cover.
5. Attach the outside high- (red) and low-side
(blue) service hoses. Tighten at 7.9 Nm
torque.
6. Connect the unit to the power source,
perform a function test, and check for leaks.
Figure 4-6. Flush Manifold
High and Low Flush
Ports
