Coolant Reservoir; Radiator - Christie Cinema 4K-RGB Service Manual

9. Replace the fan and install the harnesses into the P-clips.
Make sure the airflow direction label on top of the fan pack matches the airflow indicator on
the replacement fan.
10. To re-install, follow these steps in reverse order.

Coolant reservoir

Before replacing or refilling the coolant, the coolant reservoir must be removed from the projector
chassis.
1. Remove the electronics-side cover (on page 40).
2. Locate the coolant reservoir below the communications panel and loosen the two screws at the
base of the reservoir.
3. Tilt the reservoir slightly to unhook the rear tabs out of the plate and pull the unit partially out
of the projector.
4. Disconnect the two quick disconnect hoses.
5. Once disconnected, remove the reservoir unit from the projector chassis and set it aside on a
separate surface.
6. To replace the coolant reservoir, follow these steps in reverse order.
Ensure screws are torqued to 15 in-lb.

Radiator

The radiator exchanges heat from the coolant in the liquid cooling system to the air.
1. Remove the top cover (on page 38).
2. Remove the rear cover (on page 39).
3. Remove the side-intake cover (on page 41).
4. At the panel mount, disconnect the dual temperature sensor module (DTSM) harness coming
from the housekeeping board.
5. To remove the hose bracket securing the hoses, loosen the screw.
Cinema 4K-RGB Service Guide–CP4315-RGB, CP4320-RGB, CP4325-RGB, CP4330-RGB
020-102713-06 Rev. 1 (08-2022)
Copyright © 2022 Christie Digital Systems USA, Inc. All rights reserved.
If printed, please recycle this document after use.
Ventilation and cooling
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