Brochure

NOTE: All pumps are also available with 50Hz or 60Hz motors
Viridian® VR3452 is a high
eciency wet rotor circulator
for chilled and hot water
applications. Settings easily
managed with a user-friendly
interface. The permanent magnet
ECM motor saves up to 85% of
the electrical energy compared
to conventional pumps.
• High-eciency ECM motor
uses up to 85% less electricity
• Auto mode (default)
• Proportional pressure control
• Constant pressure control
• Constant speed
• Night setback turndown
• Communication module (optional)
Viridian® VT2218 circulator is a
temperature sensing, self-adjusting,
variable speed wet rotor circulator
with an ECM permanent magnet
motor. Operating modes include
Delta-T dierential temperature,
4 xed speeds, set point heat, set
point cool and boiler protection.
• -T operation can save
hundreds in fuel costs
• The only temperature-sensing
pump in its class
• High-eciency ECM motor
uses up to 85% less electricity
• 5 operating modes for
maximum application exibility
• Big, bright LCD screen
• Innovative BIO Barrier®
protects the pump from
system contaminants
Viridian® VR1816 circulator is
an innitely variable speed, high
eciency wet rotor circulator
with an ECM permanent magnet
motor. Operating modes include
innitely variable xed speed and
self-adjusting constant pressure
or proportional pressure variable
speed.
• High-eciency ECM motor
uses up to 85% less electricity
• Innitely variable speed
settings to ne tune ow
for any system
• Six pressure presets to t the job
• 5 color LED displays
- operating mode
- error code diagnostics
• Sure Start automatic unblocking
and air purging mode
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