ASHRAE Journal - January 2021 - 47

INNOVATION AWARDS

HEATING
Winner Viega Radiant Auto-Balancing System
(RABS)
Innovation The Radiant AutoBalancing System (RABS) introduces
the ability to monitor the temperature of every return circuit in a radiant system. Coupled with the monitoring of each zone's air temperature
via wireless thermostats, the control
actuates flow of conditioned water to
each loop using a learning algorithm
to increase the efficiency of a radiant
installation.
Circuit lengths no longer need to
be designed to be similar lengths
or manually balanced using flow
controls on the manifold. Even
though designing similar length

PLUMBING
Winner Caleffi Hydronic Solutions AngleMix™
Angle-Style ThermoStatic Mixing Valve
Innovation The Caleffi AngleMix™ 520
series thermostatic mixing valve
accurately controls mixed water
temperature in residential and commercial domestic hot water systems.
It is the industry's only thermostatic
mixing valve with an angle-styled
body. This geometry minimizes the
number of elbows required, which
reduces overall installation cost.
Additionally, AngleMix is the
industry's only thermostatic mixing
valve that can close off its hot and
cold ports at 100% tightness, preventing temperature creep or droop.
The Caleffi AngleMix™ 520 series

circuits is still best practice, designs
rarely account for furniture and
temporary floor covering. The system maintains set temperatures
through changes in these variables
without user input, giving designers more flexibility without loss of
efficiency.
This innovation will offer a desirable solution to customers seeking
high-efficiency radiant. The system
also incorporates more digitalization of plumbing for monitoring by
end users, something that is sought
more and more by customers looking to have more interesting and
useful data related to their system
performance. Additionally, this
system will save installers valuable time when balancing a radiant

easily mounts at the tank-type, or
tankless type water heater outlet,
and the angle-style body mixed temperature outlet is in line with the
water heater outlet. This facilitates
straight-line piping, which reduces
pipe elbows and overall space
required for installation.
The AngleMix has a lockable setpoint adjustment knob and includes
a temperature gauge on the mixed
temperature outlet for instant verification of temperature. The precision
engineered antiscale internal components minimize service requirements, ensure smooth operation and
long life and compensate for temperature and pressure fluctuations
of the incoming hot and cold water.
Available in a wide variety of end

Radiant Auto-Balancing System (RABS)

system. Once the system is connected to a manifold and the web
application, the customer has the
ability to make changes and monitor temperatures.
FINALISTS Ecoer HVAC Ecoer Home Comfort
Systems with IoT Technology | Burnham Boilers-U.S.
Boiler Co. Alta Combi

connections,
the angle style
body design
is compatible with all
common pipe
types and connection styles AngleMix™ Angle-Style
from ½ in. (13 ThermoStatic Mixing Valve
mm) to 1 in.
(25 mm) sizes. AngleMix is certified
to ASSE 1017 standard for point of distribution domestic water systems.
FINALISTS GE Appliances, a Haier
Company Electronic Water Heater with Smart
Integrated Mixing Valve | Uponor Uponor PP-RCT Pipe
and Fittings

JAN UARY 2021

ashrae.org

ASHRAE JOURNAL

47


http://www.ashrae.org

ASHRAE Journal - January 2021

Table of Contents for the Digital Edition of ASHRAE Journal - January 2021

Contents
ASHRAE Journal - January 2021 - Intro
ASHRAE Journal - January 2021 - Cover1
ASHRAE Journal - January 2021 - Cover2
ASHRAE Journal - January 2021 - 1
ASHRAE Journal - January 2021 - 1a
ASHRAE Journal - January 2021 - 1b
ASHRAE Journal - January 2021 - Contents
ASHRAE Journal - January 2021 - 3
ASHRAE Journal - January 2021 - 4
ASHRAE Journal - January 2021 - 5
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ASHRAE Journal - January 2021 - Cover3
ASHRAE Journal - January 2021 - Cover4
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