Hydrolevel Company FUEL SMART HydroStat 3200-Plus Installation Instructions & Operating Manual Download Page 1

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126 Bailey Road • North Haven, CT 06473 • Phone (203) 776-0473 • FAX (203) 764-1711 • 

www.hydrolevel.com

HydroStat 3200-

Plus

for Slant Fin Boilers

Part Numbers:

48-3200, 48-3200-03

and 48-3200-04

120 VAC Input / 24 VAC Burner Circuit

PATENT NOS. 
8.391,708; 7,891,572; 8,844,834;
Others Pending

WARNING

Electrical shock hazard.

To prevent electrical shock, death or

equipment damage, disconnect power supply before

installing or servicing control. Only qualified personnel may install or service this control in
accordance with local codes and ordinances. Read instructions completely before proceeding.

CAUTION

To prevent serious

burns, boiler

should be thoroughly cooled before installing or
servicing control.

WARNING

Frozen pipes/water damage.

Central heating systems are prone to shut down as a result of power or fuel outages, 

safety related fault conditions or equipment failure. Installation of freeze protection monitoring or other precautions

is recommended for unattended dwellings in climates subject to sustain below-freezing temperatures.

Three Function 

Design

Temperature Limit Control

Designed for cold start and tankless 
coil boilers.

Low Water Cut-Off 

Provides protection against potentially dangerous 
low water conditions when installed with the 
Hydrolevel Electro-Well™.

Boiler Reset Control 

Thermal Targeting –

On-board microprocessor 

adjusts boiler temperature based on heating demand.

Outdoor Reset Ready

– Compatible with Hydrolevel 

OS-100 Outdoor Sensor Kit (sold separately) for out-
door reset and warm weather shut-down functionality

.

INSTALLATION  INSTRUCTIONS 
and  OPERATING  MANUAL

• Saves Fuel –

Features Thermal Targeting™ technology and 

Thermal Pre-Purge capability 

• Outdoor Reset Ready –

Provides Outdoor Reset and Warm Weather

Shut-Down capability with the addition of Hydrolevel OS-100 Outdoor
Sensor Kit (sold separately)

• Operating Indicators –

LEDs, Dynamic Display and Test Button provide

continual and on-demand status checks 

• Prioritizes Domestic Hot Water –

Gives priority to low limit setting or to

calls from indirect water heater 

48-3200-03 shown

LIMITED MANUFACTURER’S WARRANTY

We warrant products manufactured by Hydrolevel Company to be free from defects in

material and workmanship for a period of two years from the date of manufacture or

one year from the date of installation, whichever occurs first. In the event of any claim

under this warranty or otherwise with respect to our products which is made within

such period, we will, at our option, repair or replace such products or refund the pur-

chase price paid to us by you for such products. In no event shall Hydrolevel Company

be  liable  for  any  other  loss  or  damage,  whether  direct,  indirect,  incidental  or  conse-

quential. This warranty is your EXCLUSIVE remedy and shall be IN PLACE OF any other

warranty or guarantee, express or implied, including, without limitation, any warranty

of MERCHANTABILITY or fitness for a particular purpose. This warranty may not be

assigned or transferred and any unauthorized transfer or assignment thereof shall be

void and of no force or effect.

Summary of Contents for FUEL SMART HydroStat 3200-Plus

Page 1: ...Hydrolevel OS 100 Outdoor Sensor Kit sold separately for out door reset and warm weather shut down functionality INSTALLATION INSTRUCTIONS and OPERATING MANUAL Saves Fuel Features Thermal Targeting te...

Page 2: ...circuit to B1 B2 B2 is common STEP 4 Connect the thermostat to T TV STEP 5 If the boiler is equipped with a plug in style vent damper unplug the factory installed jumper from the recepta cle on the ci...

Page 3: ...s must not exceed 1 2 amps 30 VA Connect zone valve end switch to T TV as shown below STEP 6 For Systems with Indirect Water Heaters When installing with an indirect water heater the signal from the i...

Page 4: ...zone house turn the dial to 2 or 1 Conversely if the boiler provides adequate heat added fuel savings can be achieved by selecting a higher setting example 4 or 5 If the heating and indirect water hea...

Page 5: ...time to satisfy the heat load NOTE Smart DHW Priority During a call from an indirect water heater the control will de energize the circulator contacts C1 C2 to heat only the indirect tank ensuring an...

Page 6: ...Turn the HI TEMP dial to select feature 2 3 Push the Test Settings Button to c for Celsius or F for Fahrenheit 4 Reset LO TEMP and HI TEMP settings to desired temperatures see page 4 Manual Reset Low...

Page 7: ...desired temperatures see page 4 Setting the Well Type Electro Well vs Standard Immersion Well When used to replace older temperature only controls the HydroStat can be installed on the existing well...

Page 8: ...n the display as Pro 2 Turn the HI TEMP dial to select feature dEf 3 Push the Test Settings Button toY to reset all features to the default settings 4 Reset LO TEMP and HI TEMP settings to desired tem...

Page 9: ...e the LED illuminates and the burner will shut down The boiler water will continue to circulate and heat the house as long as the thermostat call continues The LED will stay lit until the boiler tempe...

Page 10: ...with the inside of the well tube Check that the well does not have excessive build up of heat transfer grease that may interfere with the clip contacting the well 2 Remove well and examine for excessi...

Page 11: ...erve fuel see How Thermal Targeting Works on page 5 The burner will not fire until the boiler temperature drops to the automatically calculated Target Temp Differential YES NO Is the Green LED TEMP AC...

Page 12: ...should never fire when red or yellow LED is lit Is either Yellow LED On The Control has Reached Target or High Limit Temperature The Control is Operating Normally The Control is Operating Normally Th...

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