Bell-gossett P86271B Variable Speed NRF-VS Control with setpoin Manuel d'utilisateur Page 1

Naviguer en ligne ou télécharger Manuel d'utilisateur pour Pompes Bell-gossett P86271B Variable Speed NRF-VS Control with setpoin. Bell & Gossett P86271B Variable Speed NRF-VS Control with setpoint or external signal follower User Manual Manuel d'utilisatio

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Variable Speed NRF-VS Control with
setpoint or external signal follower
SAFETY
INSTRUCTION
This safety alert symbol will be used in this manual and on the
pump Safety Instruction decal to draw attention to safety
related instructions. When used, the safety alert symbol means
ATTENTION! BECOME ALERT! YOUR SAFETY IS
INVOLVED! FAILURE TO FOLLOW THESE INSTRUCTIONS
MAY RESULT IN A SAFETY HAZARD.
INSTALLER: PLEASE LEAVE THIS MANUAL FOR THE OWNER’S USE.
Your NRF-VS Control should have the warning/caution label
displayed to the right (Fig. 1) on the pump conduit box. If this
warning and caution label is missing or illegible, contact your
local B&G Representative for a replacement.
WARNING
BEFORE INSTALLING,
USING OR SERVICING
THIS PRODUCT, READ
THE INSTRUCTIONS
TO REDUCE RISK OF
ELECTRICAL SHOCK, SEE
INSTRUCTIONS FOR
PROPER INSTALLATION.
CAUTION
FOR SUPPLY CONNEC-
TIONS USE WIRE SUIT-
ABLE FOR AT LEAST
90ºC. USE COPPER
CONDUCTORS ONLY.
EMPLOYER DES FILS
DALIMENTATION
ADEQUATS POUR 90°C.
FOR INDOOR USE ONLY.
EMPLOYER UNIQUEMENT
ALINTERIEUR.
FIG. 1
INSTRUCTION MANUAL
P86271B
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Résumé du contenu

Page 1 - INSTRUCTION MANUAL

Variable Speed NRF-VS Control with setpoint or external signal followerSAFETY INSTRUCTIONThis safety alert symbol will be used in this manual and on t

Page 2 - OPERATIONAL LIMITS

REQUIREMENTSELECTRICAL SAFETYTYPICAL APPLICATIONSWARNING: ELECTRICAL SHOCK HAZARDElectrical connections are to be made by a qualifiedelectrician in ac

Page 3 - DESIGN SELECTION

OPERATIONThe NRF-VS is designed to control the pump speed on aninjection system allowing the pump to inject a different watertemperature into a second

Page 4 - NRF-VS CONTROL INSTALLATION

PIPINGPIPING OVERVIEW• The Primary loop may have mulitple injection loops or othertakeoffs. However, the piping for each injection systemmust meet the

Page 5 - DIP SWITCH SETTINGS

8. Make the electrical connections according to the wiringdiagram provided (See Fig. 4). Route the power wiringthrough one of the 7/8" diameter h

Page 6

6Setpoint (Dip Switch 1=On)• The Dial on the NRF-VS allows for set point temperatureadjustment. Use a small screwdriver to turn the dial so thatthe ar

Page 7 - SENSOR CHART

POWER UP SEQUENCEAt initial power up, the NRF-VS will run at full speed for 5seconds. It will then run at low speed for 5 seconds, beforeadjusting to

Page 8 - Xylem Inc

Xylem Inc. 8200 N. Austin Avenue Morton Grove, Illinois 60053 Phone: (847) 966-3700 Fax: (847) 965-8379www.xyleminc.com/brands/bellgossettBell & G

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