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The Heater Module should be placed as close to the magnet bore as practical. It can
be on the SAII MR-compatible instrument stand or on a table. The optimum location will
allow the 2 m fluid tubes to connect to a water bed in the bore near the imaging volume.
Connections to the Circulation Module
A duplex fiber optic cable (10DFOC-23) and the WBH hot, cold and return tube set
(WBH3TS-10H/C/R) connect between the Circulation Module and the Water Bed Heater
Module. The standard tubing set is red for hot, blue for cold and clear 3/8" OD x ¼" ID
30' long.
Run the tubing set and the duplex fiber optic cable through a waveguide into the magnet
room. The Heater end of the tubing set has 90º connections which reduce to small OD
tubes. Make certain that end is in the magnet room.
Connect the red, blue and clear tubes to the Circulation Module at the connections
labeled HOT, COLD and RETURN respectively. Use a small cable tie to secure each
tube to the connector.
Caution: All cable ties need to be tight enough so that they
will not turn with twisting motion. Use a cable tie
tool to tighten the tie or use needle nose pliers to
grasp the cable at the connector and twist to
tighten. Cut excess cable when tight.
Connect the duplex fiber optic cable to the Circulation Module. Make certain the color
of the connector matches the color of the receptacle.
Connect a serial cable to a USB to serial adapter cable (USB-20) and to the Circulation
Module. Connect the USB connector to a USB port on the Window based PC.
Connect the Circulation Module to the WBH 12 VDC power supply (WBHPS-12).
Connections to the Heater Module
Connect the small OD tubes to the Heater connections labeled HOT, COLD & RETURN
by simply pushing them into the connectors. To remove the connection press in the
small collar on the connector and gently pull the tube out.
Strain relief the HWB hot, cold and return tube set using a black cable tie connected to
the mount provided on the cold water end of the Heater Module (refer to the photo on
page 19-5).
Connect the duplex fiber optic cable to the Heater Module. Make certain the color of the
connector matches the color of the receptacle.
Connect one end of the WBH heater to bed tubing set (WBHHB-2) to the WARM and
RETURN connections on the Heater Module.
Connect mains power.
Water Bed Heater System
Revision C, August 2013
19-7
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