Brochure
W A T E R B O I L E R C O N T R O L S
5
Universal Temperature Limit, Boiler Reset
and Low Water Cut-Off – Residential
Model 3000
for gas-fired boilers
Patent No. 7,891,572; others pending *Aquastat is a registered trademark of Honeywell International, Inc.
MODEL VOLTAGE DESCRIPTION/OPERATION
3000 24 VAC
3000-190 24 VAC
Three Function Control
•
Universal High Temp Limit
•
Fuel-Saving Boiler Reset
•
Low Water Cut-Off
*
*When installed on Hydrolevel Electro-Well
™
•
Saves Fuel
• On-Board Thermal Targeting
™
technology reduces boiler temperature
without sacrificing comfort (see Thermal Targeting on page 3)
•
Easy Dial-Type Set-Up
• Simply dial in the Temperature Limit and Economy Settings
•
LED Status Lights
• Displays which functions are active and which function is not allowing the burner to fire
•
LWCO Test Button
• Allows for easy testing without draining water or removing the sensor
•
Optional Thermal Pre-Purge
• Enhances fuel efficiency by purging standing heat from the boiler to the zone requiring heat prior to
energizing the burner
•
Easy to Wire
• Includes wire harnesses for connecting to common transformer-style Control Centers or Integrated Boiler
Control Modules
•
Replaces Common High Limit Aquastats*
• Install HydroStat on existing immersion well – for temperature limit and boiler reset functionality, or
• Install HydroStat on an Electro-Well
™
– to add low water cut-off protection
Specifications Model 3000 Model 3000-190
Input Voltage 24 VAC, 60 HZ 24 VAC, 60 HZ
Burner Contacts 50 VA@24 VAC Pilot Duty 50 VA@24 VAC Pilot Duty
Operating Range – High Limit 100°F (38°C) - 220°F (104°C) 100°F (38°C) - 190°F (88°C)
Universal replacement high limit control with adjustable high limit for cold start
gas boilers. Replaces smaller, single-function Aquastat* models. Features built in
low water cut-off (when used with Hydrolevel Electro-Well
™
) and fuel saving boil-
er temperature reset technology. (Max temp 220°F for Model 3000. Max temp
190°F for Model 3000-190)