Wavelength Electronics WHY56ND, Datasheet And Operating Manual

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WHY56ND TEMPERATURE CONTROLLER
ADDITIONAL TECHNICAL
INFORMATION
WHY SERIES: FAN & HEATSINK MOUNTING
To mount the WHY56ND Series to the heatsink and fan
( Figure 13 ) and optional evaluation PCB, refer to the
drawings and instructions below:
ASSEMBLY INSTRUCTIONS
Refer to Figure 14 .
• Clean all mating surfaces on the electronics module
and heatsink. It is important to remove particulates and
foreign materials from the mating faces.
• Apply the WTW002 Thermal Washer to the WHS302
Heatsink surface, aligning the thermal washer holes
with the heatsink holes.
• Secure the WHS302 Heatsink and the WXC303/304
Fan (if used) to controller with two screws. (Actual fan
wire configuration may be different than shown. Fan
can be rotated on the WHY so the location of the wires
matches custom PCB.)
WHY56ND and WHY56ND‑EV assembly instructions
( Figure 15 )
• Match up the notch (shown in Figure 12 ) on the
WHY56ND with the silkscreen on the PCB
• Align the pins with the sockets, ensuring that all pins are
lined up in their respective sockets.
• Press firmly to seat the WHY56ND.
Make sure that
none of the pins were bent during insertion before
continuing.
• Attach the snap‑in standoffs.
Screw: 4-40 PHPH
(x.75” w/o FAN)(x1” w/FAN)
30 mm FAN
WXC303 (+5VDC) or
WXC304 (+12VDC)
WHS302 Heatsink
WTW002
Thermal Washer
WHY56ND
Heat Spreader
Airflow
Direction
Figure 13. WHY56ND Assembled with Heatsink
& Fan
Figure 14. WHY56ND, Heatsink, and Fan
Mounting
Figure 15. WHY56ND and WHY56ND-EV
Assembly
WHY56ND
Component
Pin #1
4‑40 x 0.625” NYLON
STANDOFFS
4 REQUIRED
WHY56ND‑EV
Evaluation
Board