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MODEL OS-200
Wireless
Outdoor Sensor
for
Model 3200-
Plus
Model 3250-
Plus
Fuel Smart HydroStat Controls
Model 4200 HydroStat-IC
HydroStat Control
Installation Instructions
and Operating Manual
• Low Transmitter battery status indicator
on the Receiver
• Power and communication indicator lights
• Transmitter temperature range of -40°F
to 140°F (-40°C to 60°C)
• Long battery life (minimum 10 years)
with included 1.5V lithium AA batteries
• 5000 ft. (1500 m) open range
• 8 walls / 250 ft. (75 m) indoor range
• Transmits outdoor temperature every 10
minutes
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.
126 Bailey Road • North Haven, CT 06473 • (203) 776-0473 • FAX (203) 764-1711
www.hydrolevel.com
The Hydrolevel Wireless
Outdoor Sensor OS-200
provides outdoor temperature
measurement in any
application without exterior
wiring. The
transmitter and
receiver are sold pre-linked
and are installation-ready.
With exceptional range and
a 10-year battery life, the
Wireless Outdoor Sensor
OS-200 provides maximum
accuracy, convenience and
reliability.
Wireless Outdoor Sensor 087
Receiver
Communication
Power
Low Battery
Link
TRANSMITTER
(OUTDOOR)
RECEIVER
