Commercial Architecture February 2018 - 42

PRODUCTS

hvac & plumbing
EDITORS' CHOICE

Magnetic-bearing centrifugal chiller
York YZ:
* Magnetic-bearing centrifugal chiller
* No lubrication required
* 80% fewer moving parts than traditional models

The York YZ magnetic-bearing centrifugal chiller uses an integral, variable-speed drive
and magnetic-bearing technology that features a single moving assembly suspended in a
magnetic field that does not require lubrication. The technology uses 80% fewer moving
parts than traditional oil- or refrigerant-lubricated drivelines and is said to deliver as much as 35%
annual energy savings. The chiller operates with entering condenser water temperature as low as
40 F, and can operate with condenser temperatures below the evaporator temperatures, eliminating
the need for a water-side economizer.
Johnson Controls, Milwaukee
Circle 57
johnsoncontrols.com

Instant hot-water control

The SmartPlug instant hot-water control upgrades a hot-water recirculation system to a smart
system. The technology is said to make any corded circulator as much as 94% more energy efficient
by learning hot-water usage patterns to deliver hot water when it is needed. It includes a pulse mode
that cycles on for 5 min./off for 10 min., as well as a vacation mode that shuts the circulator off after
36 hr. of no activity.
Taco Comfort Solutions, Cranston, RI
Circle 58
tacocomfort.com

Water-cooled system

The VRV T-series
water-cooled condensing
unit is said to provide low
sound levels, advanced
comfort control and
zoning, and flexibility for
cold-climate applications
and buildings with existing water loops or geothermal
applications. The single modules are available in 8-, 10-,
and 12-ton sizes, and can be manifolded together, with
as many as three units forming one system to 36 tons.
Daikin North America,
Houston
Circle 60
daikincomfort.com

Water-heater series

AeroTherm series water heaters
have top water connections and
convenient height and weight for
replacements and installations. The
units use heat-pump technology
and back-up electric heating elements to heat water. An integrated
smart-control panel includes detailed diagnostic information. Four
user-selectable operation modes
include heat pump, hybrid, electric,
and vacation.

Restroom availability

A lock/light indicator makes public restrooms user-friendly
by enhancing user awareness. The device visibly shows if
restrooms are occupied or vacant, even if the facility is down
a hall and out of sight. The unit's light can be seen from its
mount. Applications include restaurants, offices, and retail
establishments.
Heads-Up Lock Co., Los Gatos, CA
Circle 61
headsuplock.com

Modular boilers, volume water heaters

The Pennant line of fan-assisted modular boilers
and volume water heaters is available in seven
sizes from 500 to 2,000 MBH. Fueled by natural or
LP gas, the units deliver efficiency levels to 85%
with stage firing of as much as 4:1 and cascade
with auto redundancy. The systems qualify as
low-NOx emission rated, below 10 ppm. Units
can be vented from the top or back, installed
indoors or outdoors, and racked for as much
as 4,000 MBH in a small footprint.

Bradford White, Ambler, PA
Circle 59
bradfordwhite.com

Laars Heating Systems, Rochester, NH
Circle 62
laars.com

COMMERCI A L A RCHI T EC T URE

FEBRUARY 2018

commercialarchitecturemagazine.com

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Table of Contents for the Digital Edition of Commercial Architecture February 2018