Supplementary Document

Collector sensor
Domestic
hot water
Thermostatic valve
Setpoint 120
o
F
Twin tube
Solar controller
Solar
pump
station
Aquastat or
tankless sensor
Aquastat or tankless sensor
Hot water recirculation return line
DHW recirculation pump
Cold
water
supply
15 | 2011 Commercial water heating solutions
Recommended commercial systems
Solar tank loading
Let the sun do some work
with renewable benets.
Even if the sun can’t heat
your total hot water load,
you’ll still have hundreds of
gallons per hour backing it
up with this design. Three
areas of exibility or
expansion: number of solar
collectors, tankless units
and size of storage.
Note:
Drawing not to scale.
Cold water piping to fixtures not shown for clarity purposes.
Bosch Therm
C 1210 ESC
Cold
water
supply
Sink
Dish
sprayer
Dishwasher
with heating
element
Ariston GL8Ti
Domestic hot water recirculation return line
Y-strainer
Commercial kitchen
with live storage
This time and temperature
controlled design allows
instant hot water that never
runs out - even in the busiest
kitchens. Adjust the size of
the live storage capacity for
various dishwasher needs.
An efcient and proven
solution that works perfectly
under heavy peak load as it
does during prep hours.