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