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7. Coolant procedures
7.2
Draining the coolant circuit
Necessary tools
•
Service PC and software
•
Chiller service kit
•
Cloth or towels
C
AUTION
:
This procedure assumes that power has been switched off. To switch off power, see procedure
"Switching off power and locking the switch", page 15.
Make sure the chiller is disconnected from the projector and other chillers before attempting to drain the
coolant circuit.
Keep a cloth or towels ready to clean up eventual spillage.
This procedure assumes the rear cover has been removed. For more info, see "Covers", page 8.
How to drain the coolant circuit of a single ULC-30A chiller?
1. Remove the fan unit. See procedure "Removal of the fan unit", page 21.
2. If requested by the software, install the dummy fan connector in the same location the fan was plugged in.
Note:
This step is no longer necessary nor requested in the current
fi
rmware. However, if you still have an older version of the
chiller
fi
rmware, this step may still be requested.
3. Remove the insulation cover.
F
Image 7-2
Removing the insulation cover
4. Disconnect hose “F” (chiller tank return line) from the upper and hose “E” (pressurization pump send line) from the lower coupler
of the pump.
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R5906015 ULC-30A 01/02/2018
Содержание ULC-30A
Страница 1: ...ULC 30A Service manual R5906015 01 01 02 2018...
Страница 4: ......
Страница 6: ...Table of contents Index 97 2 R5906015 ULC 30A 01 02 2018...
Страница 10: ...1 Safety 6 R5906015 ULC 30A 01 02 2018...
Страница 23: ...5 Covers 1 1 1 2 2 2 2 2 2 2 2 2 2 2 Image 5 4 Installing the 14 screws R5906015 ULC 30A 01 02 2018 19...
Страница 24: ...5 Covers 20 R5906015 ULC 30A 01 02 2018...
Страница 28: ...6 Fan unit 24 R5906015 ULC 30A 01 02 2018...
Страница 40: ...7 Coolant procedures 36 R5906015 ULC 30A 01 02 2018...
Страница 70: ...10 Refrigeration unit 66 R5906015 ULC 30A 01 02 2018...
Страница 92: ...11 Electronics Unit 88 R5906015 ULC 30A 01 02 2018...
Страница 100: ...A Appendix 96 R5906015 ULC 30A 01 02 2018...