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INSTRUCTION MANUAL
P86273B
Temperature Sensor for
NRF-VS Control and VS Control
INSTALLER: PLEASE LEAVE THIS MANUAL FOR THE OWNER’S USE.
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INSTALLING SENSOR
• Strap the cylindrical sensor to the pipe as shown in Fig. 1.
• Wrap the pipe and sensor assembly with insulating tape to
insure adequate heat transfer to the sensor.
• See the wiring instruction sections of the NRF-VS or VS
Control instruction manuals for specific wiring instructions
to the controller. Do not exceed the water temperature
values listed in the temperature sensor chart.
INSULATING TAPE
TEMPERATURE
SENSOR
PIPE
FIG. 1
TEMPERATURE
SENSOR CHART
TEMPERATURE Value
(in Degrees ºF) (in 0hms)
30 17264
35 14985
40 13040
45 11374
50 9944
55 8714
60 7653
70 5941
80 4649
90 3667
100 2914
110 2332
120 1879
130 1524
140 1243
150 1021
160 842
170 699
180 583
190 489
200 412
210 349
220 297
230 253
WARNING: Do not apply power to the sensor wires.
Failure to follow these instructions could result in
serious personal injury, death and/or property damage.
Xylem Inc.
8200 N. Austin Avenue
Morton Grove, Illinois 60053
Phone: (847) 966-3700
Fax: (847) 965-8379
www.xyleminc.com/brands/bellgossett
Bell & Gossett is a trademark of Xylem Inc. or one of its subsidiaries.
© 2012 Xylem Inc. P86273B May 2012