Brochure
W A T E R B O I L E R C O N T R O L S
4
Universal Temperature Limit and
Low Water Cut-Off – Residential
Model 3150
for oil-fired boilers
Two Function Control
•
Universal Temp Limit
•
Low Water Cut-Off
*
*When installed on Hydrolevel Electro-Well
™
•
Replaces Cold Start and Triple-Action Aquastats*
• Install HydroStat on existing immersion well – for full
temperature functionality, or
• Install HydroStat on an Electro-Well
™
– to add low
water cut-off protection
•
Simple Dial-Type Temperature
and Differential Settings
•
Dynamic Temperature Display
• Clearly displays boiler temperature
• Instantly changes to show setting
whenever any dial is adjusted
•
LED Status Lights
• Displays which functions are active and which function is not
allowing the burner to fire
•
Test/Settings Button
• Tests the low water cut-off and displays all control settings
•
Program Mode Options
• Manual Reset LWCO Option – Quickly set the LWCO in Manual Reset mode for commercial jobs
• Circulator Activation Options – Set TT, ZC/ZR or both to activate the circulator
• Thermal Pre-Purge Option – Enhance fuel efficiency by
purging standing heat from the boiler to the zone
requiring heat prior to energizing the burner
• Degrees Celsius Option – Change display and settings
from degrees F to degrees C
Patent No. 7,891,572; others pending *Aquastat is a registered trademark of Honeywell International, Inc.
MODEL VOLTAGE DESCRIPTION/OPERATION
3150 120 VAC Universal replacement Aquastat with adjustable high and low temperature limits
and differentials for cold start or tankless coil oil boilers. Features built in low
water cut-off (when used with Hydrolevel Electro-Well
™
).
Specifications Model 3150
Burner Contacts 7.4 FLA, 44.4 LRA@120 VAC
Circulator Contacts 5.8 FLA, 34.8 LRA@120 VAC
Operating Range – Low Limit Off or 110°F - 200°F
Operating Range – High Limit 100°F - 220°F
Operating Range – Differential 10°F - 30°F