Use and Care Guide

NSi Industries, LLC • 800.321.5847 • www.nsiindustries.com
325
CAT. NO. UPC CODE
INPUT SUPPLY
(VAC) 60Hz
OUTPUT
CONTACTS
ENCLOSURE
TYPE
WH2B 70044 208-250 DPST Metal Indoor NEMA 1
TYPE
VOLTAGE
(VAC)
CONTACT
RATING
Resistive 208-250
40 A
10,000W
Replacement Motor #201 (208-277)
Replacement Trippers Order #P47 for a pair of ON/OFF trippers
APPLICATIONS
Automatic ON/OFF control of electric water heaters. Schedules the water heater to
turn ON only when needed, avoiding energy waste when hot water is not needed.
FEATURES
• Scheduling: Minimum ON is setting 20 minutes with a minimum OFF setting of
75 minutes. Dial accommodates up to 12 pairs. 1 pair of trippers supplied.
• External Manual Override: Until the next regularly scheduled ON or OFF
automatic operation then resumes.
• Enclosed Motor: Protects gears for extended life.
• Standards: Listed UL917.
SPECIFICATIONS
• Input Voltage: 208 – 250V 60 Hz.
• Timing Accuracy: Line frequency.
• Terminal Range: #8 - #14AWG.
• Operating Temperature: -40˚ to 165˚F (-40˚ to +74˚C).
• Power Consumption: 3 watts maximum.
• Enclosure: Indoor NEMA 1 Metal with lockable hasp
(See Pages 464-465 For Dimensions).
WIRING DIAGRAMS
• See Pages 333-336 For Diagrams.
MECHANICAL
24 Hour Time Switch
Water Heater Control
WH2B