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16. FLM liquid cooling circuit
16.2 Introduction
Functionality
Much heat has to be extracted from the DMD’s and from the light pipe entrance during operation of the projector. The liquid cooling
circuit takes care of this. The liquid cooling circuit is a closed loop of flexible tubing comprising of a pump, three cooling blocks for
the DMD’s, a cooling block for the light pipe entrance, a heat exchanger, a pressure vessel and a manometer. The cooling liquid
inside the circuit absorbs the heat of the cooling blocks. Via the pump, the heated-up liquid is transported to the heat exchanger,
which in turn cools down the liquid.
The pressure vessel in the circuit makes it possible to put a small pressure on the cooling liquid. The required pressure exerted via
the pressure vessel serves to prevent cavitation and hence ensures the good working condition of the pump. Note that the pressure
doesn’t influence the cooling capacity of the system.
Parts of the liquid cooling circuit
A
B
C
D
E
F
G
H
I
J
K
K
J
Image 16-2
A
DMD - Peltier cooling block.
B
Manometer.
C Pressure vessel.
D Cooling block light pipe entrance.
E
Pump.
F
Overflow pipe.
G Flow switch.
H Transparent tube for visual check.
I
Heat exchanger.
J
Female valved fitting.
K
Male valved fitting.
Order info liquid cooling
Order number
Description
R395198K
Complete liquid cooling refill kit. Includes tubes, valved fittings, syringe, air pump, two plastic bottles of 1
liter filled with cooling liquid.
B1909086K
Four bottles of 1 liter filled with cooling liquid. (no additional tools)
156
R59770072 FLM SERIES 19/03/2007
Summary of Contents for FLM series
Page 1: ...FLM series Service manual R59770072 00 19 03 2007...
Page 6: ...Table of contents 4 R59770072 FLM SERIES 19 03 2007...
Page 10: ...1 Safety 8 R59770072 FLM SERIES 19 03 2007...
Page 86: ...6 Removal and installation of projector covers 84 R59770072 FLM SERIES 19 03 2007...
Page 96: ...8 Lamp and lamp house 94 R59770072 FLM SERIES 19 03 2007...
Page 102: ...9 Input communication unit 100 R59770072 FLM SERIES 19 03 2007...
Page 125: ...13 Cold mirror assembly Image 13 5 Remove of cold mirror R59770072 FLM SERIES 19 03 2007 123...
Page 130: ...13 Cold mirror assembly 8 Reinstall the side cover 128 R59770072 FLM SERIES 19 03 2007...
Page 133: ...14 Lens holder F Image 14 4 R59770072 FLM SERIES 19 03 2007 131...
Page 140: ...14 Lens holder 138 R59770072 FLM SERIES 19 03 2007...
Page 154: ...15 Vertical and Horizontal shift motors 152 R59770072 FLM SERIES 19 03 2007...
Page 180: ...16 FLM liquid cooling circuit 178 R59770072 FLM SERIES 19 03 2007...
Page 190: ...17 Heat exchanger 188 R59770072 FLM SERIES 19 03 2007...
Page 204: ...18 Cooling pump 202 R59770072 FLM SERIES 19 03 2007...
Page 208: ...19 Shutter replacement 206 R59770072 FLM SERIES 19 03 2007...
Page 212: ...20 Formatter Interface Board 210 R59770072 FLM SERIES 19 03 2007...
Page 217: ...21 Pixel map processor board Image 21 7 PMP removal R59770072 FLM SERIES 19 03 2007 215...
Page 220: ...21 Pixel map processor board 218 R59770072 FLM SERIES 19 03 2007...
Page 228: ...22 LCD panel replacement 226 R59770072 FLM SERIES 19 03 2007...
Page 234: ...23 Keypad board replacement 232 R59770072 FLM SERIES 19 03 2007...
Page 288: ...25 Peltier replacement 286 R59770072 FLM SERIES 19 03 2007...
Page 314: ...28 Start pulse generator 312 R59770072 FLM SERIES 19 03 2007...
Page 326: ...Glossary 324 R59770072 FLM SERIES 19 03 2007...