8. Thermal management system
8.2 Liquid Cooling Pumps
Article no. / Description 502-0372-xx Liquid Cooler
The primary cooling system com prises five (5) liquid cooling p umps , four for the general system and one specifically for D MD cooling.
8.3 Fans
RPM control of each fan is tightly enforced by the system processor via FPGA, and will adapt RP M based on the temperature
differential between air inlet and air outlet at any given time. Fan speed c an be affected by the m ode the projector is ru nning in
(e.g. Q uiet mode). To max imize lifetime and m inimize stress on critical com ponents, the fan system r uns idle when the projector is
in standby (projector is shut off, but power is applied). If a fan oper ates outside normal para meters (+/- 200 rpm) for more than 2
minutes, t he system will s hut down and status LED will indicate thermal failure (red flash). After toggling mains power, the system
may be restarted and fan monitor (in service m enu) activated to properly identify which fan is inoperative or operating o utside nominal
values. All nominal RPM values are recorded in Desktop mode.
Refer to Chapter 8.6 System Thermal Diagram for details regarding data for the fans.
8.3.1 Fan Radiator
Fan Radiator 1, 2, 3, 4, 5, Driver are all axial-flow fans which operate by increasing the pressure of air flowing through it.
There are six (6) axial fans (119x25.5) in the system: 5 pcs for the radiators, and 1 pcs for the DMD.
Part Number Description
Approx. N ominal RP M (25degC, 0m asl)
504-0623-xx Fan 119x25 24V PW M 2160
8.3.2 Fan Laser Driver
The 60x25 F an is an axial fan which pulls air from the rest of the system cooling the laser driver, located c lose to the DLP engine.
Connects to PCB Main, and c ontrolled from system processor.
Part Number Description
Approx. N ominal RP M (25degC, 0m asl)
504-0623-xx Fan 119x25 24V PW M 2670
8.3.3 Fan PSU
Radial Fan pulls air from the rest of the system and in to the PSU . Located at the short end of the P SU
Part Number Description
Approx. N ominal RP M (25degC, 0m asl)
535—0005–xx Fan Blower 126x127x31 1475
8.3.4 Fa n Phosphor Internal 1, 2
Phosphor fans are located inside the PW environment, and can be accesse d by rem oving the PW assy.
Part Number Description
Approx. N ominal RP M (25degC, 0m asl)
504–0544–00 380 Fan Lam p 4000
8.3.5 Fan PCB Main
Located at the front end of the P SU
Part Number Description
Approx. N ominal RP M (25degC, 0m asl)
504-0624-xx Fan Blower 126x127x31 1500
8.3.6 Fan Optics
Located in the front bottom of the pr ojector
Part Number Description
Approx. N ominal RP M (25degC, 0m asl)
504-0625-xx
Fan Ra dial Optics 138x42, 3
3000
723–0016 F90 01/12/2017 35
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