Replacement High Pressure Cut-Out Switch; Replacement Instructions - Bosch ACS 561 Repair Instructions

A/c service unit
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ACS 561 Service Manual
14. Set Unit Serial Number (check unit data
plate for number).
15. Set Manufacturing Date (set board replace-
ment date).
16. Set Boot Mode (set to Normal).
17. Select Model.
18. Exit Service Menu and "Set Date and Time"
and Save.
19. Restart the unit.
20. Repeat "Unit Activation" if requested. See
Users Manual if needed.
Replacement High Pressure Cut-Out
Switch
Disconnect the unit from the power
source before beginning service
work. Incorrect use or connections
can cause electrical shock.
Wear safety goggles when working
with refrigerants. Refrigerants can
cause eye injury.
Use extreme caution when discon-
necting hoses. Pressurized refriger-
ant may be present in hoses. Point
hoses away from you and anyone
nearby.

Replacement Instructions

Follow these steps to replace the high pressure
cut-out switch on your unit. See Figure 3-7.
1. Close the tank valve and depressurize the
unit.
2. Turn off the power switch, and disconnect
the unit from the power source.
Robert Bosch GmbH
Electrical
3. Remove the shroud to access the manifold
block.
4. Disconnect the wires from the faulty high
pressure cut-out switch.
5. Carefully remove the faulty cut-out switch.
6. Clean the fitting by wiping away dirt, grease,
and oil.
DO NOT apply thread sealant to any
internal threads. Apply thread sealant
to only the external pipe threads of the
fittings.
Thread sealant contains ADHHM-128
anaerobic adhesive and methacrylic
ester. If there is skin contact with the
sealant, thoroughly wash the skin with
soap and water.
7. Install the new high pressure cut-out switch.
8. Connect the wires to the new switch.
9. Connect the unit to the power source.
10. Open the tank valve.
11. Operate the unit and check for leaks.
12. Replace the shroud.
ss01362
Figure 3-7. High Pressure Cut-Out Switch
55
Attach WHITE wires
to these terminals.
SP00D00517
2018-07-11

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