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ENVIRONMENTALLY FRIENDLY TECHNOLOGY SUPER ABSORPTION
SANYO absorption chillers highlightsIntroducing the SANYO absorption chillers:
Nomenclature
TSA -- DE -- 11
Unit Type
DE=Double effect, direct-fired
NE=Double effect, steam-fired
LE=Single effect, hot water-fired
Capacity Code
SANYO, as a leading company in this field more then 20 years in domes-
tic market in Japan, now brings the high efficiency of double-effect steam
chillers and double-effect direct-fired chiller/heaters to the world market.
The SANYO absorption chillers and chiller/heaters give building owners
a better solution for many new and retrofit applications. Installation of a
direct-fired chiller/heater eliminates the need for the boiler required with
conventional installations. This reduces the initial cost of the system, mak-
ing a SANYO chillers/heaters competitive with conventional chiller/boiler
system.
The SANYO absorption chillers and chiller/heaters offer a number of other
advantages:
• Excellent for peak shaving during high electrical demand periods.
• Replaces existing inefficient single-stage absorption chillers without an
expensive electrical service upgrade.
• Has the ability to tie into district steam systems with an efficient double-
effect chiller.
• Allows diversification of critical cooling requirements. Critical cooling
loads are met with minimal electrical power input with gas or steam
fired chillers.
• Allows for smaller emergency generators to be utilized since the elec-
trical load associated with an absorption chiller is minimal when com-
pared to an electrical driven chiller.
• Ozone safe, CFC free. Cooling requirements are met without chlorine
based refrigerants.
• Reduces contribution to global warming. Minimizes global impact by
greatly reducing electricity consumption and eliminating the use of
greenhouse gases.
• Low noise and vibration. The absorption chiller does not utilize a large
motor-compressor, and this leads to quiet, trouble-free operation.
• Small footprint. The high efficiency associated with the double-effect
chiller has reduced the space required for installation.
SANYO is the industry leader in supplying compact units.
• CE marking is applicable if requested.
With the ever-changing requirements of building owners and continual
changes in building designs, SANYO introduces to the world market the
next generation of high efficiency gas and steam fired, double-effect ab-
sorption chillers.
In many parts of the world, the cost of electricity and penalties adminis-
tered through demand limits, inverted rates, time-of-day rates, ratchet
clauses, etc., have forced the need for alternative chiller systems to be
developed.
Electrical peak power shaving
By using a combination of electric driven and absorption chillers for air
conditioning loads, a central plant can take advantage of lower base elec-
tricity rates during times of high electricity demand. The absorption unit is
used to shave peak power demands during summer operation, while
operating the electric chiller below the assigned demand limit, avoiding
costly demand charges and saving money all year-round.
With the aging of the world power plants and environmental and financial
concerns blocking construction of new ones, many areas are faced with
extremely high demand charges and escalating electricity costs. In these
areas, the entire cooling load can be handled by SANYO absorption units,
allowing the allotted electricity to be used elsewhere in the building where
there are no practical alternatives.
Heating and cooling operation
With the SANYO DE direct-fired double-effect chiller/heaters, the unit
can be used for heating during winter months without additional cost of
extra controls. In many applications, the chiller/heaters can replace a
traditional electric chiller and boiler design combination, with the advan-
tage of reducing machine room floor space and giving up to 40% sav-
ings on the system start up cost in many cases.
Double effect absorption cycle
Both the steam and direct-fired SANYO chillers utilize a double-effect
absorption cycle resulting in unit COP's of 1.0 for the direct-fired chiller/
heaters and 1.2 for the steam-fired chillers. This high efficiency design
has reduced the input energy of the original single stage-absorption chill-
ers by up to 30%. SANYO's state-of-the-art double effect design has also
allowed the unit to be reduced in size as compared to previous genera-
tion units, making SANYO the industry leader in efficiency and space
utilization.
Many applications
The SANYO offers the broadest range of equipment and operating con-
ditions in the entire industry: 23 discrete unit sizes from 100 tons to 1500
tons incorporating either direct-fired or steam-fired generators. With natural
gas as one of the heat sources for direct-fired types, the customer can be
assured of a fuel that is clean burning and environmentally friendly.
The SANYO steam-fired, double-effect chiller satisfies the building owner's
need for high efficiency replacement/retrofit units plus an optimal solu-
tion to new high pressure steam chilling systems. A SANYO double-ef-
fect steam chillers is the perfect complement to a district steam heating
system, offering single source heating and cooling.
The SANYO hot water-fired chillers is applicable not only combined in
Co-generation system but utilized the waste heat as a driving heat source
in the various applications.
No CFCs
In addition to the extensive list of design benefits above, the SANYO
units are completely ozone safe/no CFC's or HCFC's.
All cooling is achieved utilizing a refrigerant with a proven track record,
ample supplies and environmentally safe: namely, water!
Additionally, since an absorption cycle is accomplished without a large
motor-compressor drive arrangement, the customer can be assured of
quiet, trouble-free, ultra-low vibration operation.
Direct-fired chiller/heaters
Hot water-fired chillers
Steam-fired chillers