Product Overview

On new boilers…
Install Fuel Smart HydroStat
®
with a
Hydrolevel Electro-Well
™
to meet local and
state low water cut-off requirements and to
provide your customer with fuel-saving
Thermal Targeting technology.
On existing boilers…
Replace common Aquastat
®
models in the
field to quickly upgrade older boilers with
Fuel Smart HydroStat
®
. If you choose to
add the protection of a low water cut-off,
just replace the immersion well with a
Hydrolevel Electro-Well
™
(sold separately).
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Dial-Type Settings
Allows for quick and easy set-up.
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Dynamic Display
Continually displays
boiler temperature.
Changes to indicate
control settings when they are
adjusted. Displays current settings
when the Test/Settings button is
pressed. Displays Pur when control
is in Thermal Pre-Purge mode.
䡵
Test/Settings Button
• Tests the low water cut-off oper-
ation when installed with an Elec-
tro-Well
™
.
• Displays all settings (High Limit,
Low Limit, Economy, current
Target Temp and Thermal Pre-
Purge).
䡵
Indirect Water Heater
Compatible
Bypasses the Thermal Targeting
function on calls from the indirect
water heater allowing the boiler to
fire to the high limit setting ensur-
ing quick response.
䡵
Call for Heat Indicator
Illuminates on any
call for heat.
䡵
DHW Priority with
Override Protection
Provides priority to the indirect
water heater. Allows zone heating
after a sustained 30 minute call
from the indirect water heater.
䡵
Circulator Hold-Off
Delays circulator on a call for heat
until the boiler temperature
reaches 120°F to reduce potential
for condensing.
䡵
Diagnostic Lights
Continually indicates which features are active and if the control is
holding the burner off for any reason. No complicated menus to scroll
through.
•
TEMP ACTIVE – Indicates the control is powered and the
temperature function is active.
•
TEMP HI TEMP – Illuminates any time the burner is off as a result of
the boiler reaching the high limit setting.
•
LWCO ACTIVE – Illuminates when the control is providing low water
cut-off protection. This function is activated by installing a
Hydrolevel Electro-Well
™
. This LED will not illuminate when the
control is installed on a standard immersion well.
•
LWCO LOW WATER – Indicates a low water condition in the boiler.
•
ECONOMY ACTIVE – Indicates that the Economy dial is turned on
and that Thermal Targeting function is active.
•
ECONOMY TARGET – Illuminates any time the burner is off as a
result of the boiler reaching the Target temperature range calculated
by the control.