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Does It All!
The Universal
Temperature Limit and
Low Water Cut-Off for
Oil and Gas Fired Boilers
Replaces Cold Start and
Triple-Action AquaStats*
• Install HydroStat on existing immersion well –
for full temperature functionality, or
• Install HydroStat on an Electro-Well
Simple dial-type temperature and differential settings
Easy to wire – uses the same terminal designations as common Aquastat
Dynamic Temperature Display
Four on-board diagnostic indicating lights
Saves time, materials and wiring
Patent Pending
*Aquastat is a registered trademark of Honeywell International, Inc.
MODEL 3100
for gas-fired boilers
™
– to add low water cut-off protection
MODEL 3150
for oil-fired boilers
®
models.
Innovators in Boiler Protection
Since 1965
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Table of Contents
Related Manuals for Hydrolevel Company HydroStat 3100
Summary of Contents for Hydrolevel Company HydroStat 3100
- Page 1 Does It All! The Universal Temperature Limit and Low Water Cut-Off for Oil and Gas Fired Boilers MODEL 3100 for gas-fired boilers MODEL 3150 Replaces Cold Start and for oil-fired boilers Triple-Action AquaStats* • Install HydroStat on existing immersion well – for full temperature functionality, or •...
- Page 2 HydroStat ® can be used in two ways. By installing the control on an existing immersion well, HydroStat ® can be used as a universal replacement for common Aquastat ® models. Whether it’s a cold start or ® a tankless coil boiler, Hydrostat will provide all the temperature functions of the control being replaced.
- Page 3 • Dual Function Design – HydroStat performs both high temperature limit and low water cut-off functions when installed with a Hydrolevel Electro-Well™. MODEL 3150 • Replaces Common Aquastat Models – Can be installed on existing immersion wells to replace both cold-start and triple-action Aquastats ®...
- Page 4 MOUNTING THE CONTROL Make sure that the immersion well or Electro-Well™ is installed on the boiler manufacturerʼs designated temperature limit control tapping. Note: If installing an Electro-Well, pipe sealing compound should be IMPORTANT used. Teflon tape is not recommended. Two mounting positions are available on the Place control on the well.
- Page 5 WIRING WARNING Electrical shock hazard. To prevent electrical shock, death or equipment damage, disconnect power supply before installing or servicing this control. Connect 120 VAC Hot to Connect the circulator to Connect the burner cir- terminal L1. Connect 120 VAC Neutral C1 and C2.
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Page 6: Setting The Control
SETTING THE CONTROL Dynamic Operates on call for heat only. Display To set COLD START operation Low Temperature Limit Water Temperature Diagnostic LEDs and Real Time Make sure Low Temperature Limit is turned fully counter- Verification of Setting Adjustments. clockwise (OFF position). All Settings are Displayed Every Low Temperature Differential... -
Page 7: Troubleshooting
LED LEGEND LWCO ACTIVE Indicates that the low water cut-off (LWCO) function of the HydroStat control is active. When the control is installed with a Hydrolevel Electro-Well, this LED will be on at all times when the control is powered. NOTE: If the control was installed with a well other than the Electro-Well, this LED will not illuminate. - Page 8 Troubleshooting Flow Chart 1 – Burner Will Not Fire Is the The Temp Active LED will be on at all times when the control is Green LED The Control is powered. (TEMP ACTIVE) Not Powered. Check for 120 VAC on terminals L1 and L2. CAUTION –...
- Page 9 Troubleshooting Flow Chart 2 – Burner Will Not Shut Down Is the The Control is WARNING! Red LED Sensing Low Water. TURN OFF POWER TO BURNER IMMEDIATELY! CAUTION – ALWAYS ALLOW A BOILER TO FULLY COOL BEFORE ADDING WATER. Recheck wiring. Make sure that burner is wired to B1.
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Page 10: Maintenance
In no event shall Hydrolevel Company void and of no force or effect.
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