60
SS-SVX11K-EN
Figure 42. Freezestat bulbwell, temperature sensor
and well
Freezestat (6S12) Bulbwell
Bushing
Set Screw
1/2” NPT Adapter
1/4” 1-13/16” 2-13/16”
3/8”
Temperature Sensor Bulbwell
1/2” NPT
1”
Insulation
Length
3-1/4”
Insertion Length
Temperature Sensor
2-5/8”
3/8”
Freezestat
A bulbwell (located inside the remote panel) must be
installed in the leaving water piping as close to the
chiller as possible. It should be located upstream of the
temperature sensor location. The freezestat, located
within the remote panel, is equipped with a remote
sensing bulb and 20 feet of capillary tube. The remote
sensing bulb must be installed by the installing
personnel. Thermal paste is also provided inside the
remote panel and must be used when installing the
bulb into the bulb-well. Figure above illustrates the
bulbwell dimensions.
IImmppoorrttaanntt:: Isolate the water pumps from the system
piping to avoid vibration transmission.
Insulate all water piping. Use appropriate
pipe sealant on all threaded connections.
Final Water Piping Connections
1. Flush all water piping in the system thoroughly
before making the final connections.
NNOOTTIICCEE
HHeeaatt EExxcchhaannggeerr DDaammaaggee!!
FFaaiilluurree ttoo ffoollllooww iinnssttrruuccttiioonnss bbeellooww ccoouulldd rreessuulltt iinn
hheeaatt eexxcchhaannggeerr ddaammaaggee..
IIff aann aacciiddiicc ccoommmmeerrcciiaall fflluusshhiinngg ssoolluuttiioonn iiss uusseedd,,
bbyyppaassss tthhee EEVVPP cchhiilllleerr ttoo pprreevveenntt ddaammaaggee ..
2. Clean strainer.
3. Connect the water pipe to the EVP chiller.
4. Make sure the 1/2” x 14 NPTE plug is installed.
5. Close the drain shutoff valve.
6. While filling the chiller system with solution, vent
the air from the system at the highest points.
IInnssttaallllaattiioonn MMeecchhaanniiccaall —— EEVVPP
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