Manor “ Desuperheater Water Heater “ is a unique heat exchanger that generates hot water/ fluid to the maximum temperature of 80°C. The water / fluid can be heated by recovering the superheat of the refrigerant gas which is otherwise wasted to the atmosphere through air/ water cooled condensers. The heat is recovered with almost zero operating cost.
DESUPERHEATER FUNDAMENTAL :
In a usual AC & R system, the refrigerant temperature rises in tune of 80°C to 120°C after compression. The refrigerant is further put to the air/ water cooled condenser to condense near about 40°C.

While the condensing of refrigerant in the condenser, the total heat contained in this high Temperature/high pressure gas gets wasted to the atmosphere.

This superheat of the gas which is part of the total heat content of the gas, has a substantial heat potential provided the same is reclaimed efficiently and is optimized for energy saving
Manor Desuperheater Water Heater is the ultimate accessory for an AC & R plant that can be used to remove superheat of the refrigerant.
Compressor Type
Discharge Temperature
Screw (Indirect cooled)
70 to 80°C
Screw (Injection cooled)
50 to 60°C
Reciprocating
85 to 110°C
Boosters (Rotary & Reciprocating)
75 to 85°C
 
DESUPERHEATER DESIGN :
Double Walled “ Tube in Tube “, vented, counter flow heat exchanger. Vent tube having serrations on inner & outer surfaces to avoid cross contamination of refrigerant and water/ fluid. Each tube has a tube inside that allows water/ fluid to travel in an opposite direction.
DESUPERHEATER INSTALLATION :
The Desuperheater Water Heater is installed before the condenser and the oil separator. The refrigerant travels through the series of tubes in the Desuperheater before entering the condenser. Normally the Desuperheater Water heater is designed considering the hot water requirement for the processes. When needs of hot water & refrigeration are not simultaneous, a “ Recirculation “ type system is provided wherein hot water is generated, stored & maintained in an insulated tank. This hot water then can be utilised as and when required.
The Desuperheater water heater can be easily retrofitted on reciprocating, scroll or screw type chillers.
 
FREON DESUPERHEATERS SERIES HEF- 33- XXX- 22
MODELS
System TR
Dimensions
Gas pipe Inlet & Ootlet Size
Water pipe Inlet & Ootlet Size
Weight Kg
Width mm
Length mm
Height mm
HEF 33-10-22
10
70
1240
660
1 1/8 "
1 1/8 "
36
HEF 33-20-22 [M]
12
120
1295
462
1 5/8 "
1 5/8 "
55
HEF 33-30-22 [M]
18
170
1295
462
2 1/8 "
2 1/8 "
82
HEF 33-20-22
20
120
1295
660
1 1/8 "
1 1/8 "
73
HEF 33-40-22 [M]
24
225
1295
462
2 1/8 "
2 1/8 "
82
HEF 33-30-22
30
170
1295
660
2 1/8 "
2 1/8 "
109
HEF 33-50-22 [M]
30
273
1295
462
2 1/8 "
2 1/8 "
137
HEF 33-60-22 [M]
36
323
1300
462
2 5/8 "
2 5/8 "
164
HEF 33-40-22
40
225
1295
660
2 1/8 "
2 1/8 "
145
HEF 33-70-22 [M]
42
374
1300
462
2 5/8 "
2 5/8 "
191
HEF 33-80-22 [M]
48
425
1300
462
2 5/8 "
2 5/8 "
218
HEF 33-50-22
50
273
1300
660
2 1/8 "
2 1/8 "
182
HEF 33-90-22 [M]
56
480
1300
462
2 5/8 "
2 5/8 "
246
HEF 33-100-22 [M]
60
530
1300
462
3 1/8 "
3 1/8 "
273
HEF 33-60-22
60
323
1300
660
2 5/8 "
2 5/8 "
218
HEF 33-110-22 [M]
66
580
1300
462
3 1/8 "
3 1/8 "
300
HEF 33-70-22
70
374
1300
660
2 5/8 "
2 5/8 "
255
HEF 33-120-22 [M]
72
630
1300
462
3 1/8 "
3 1/8 "
327
HEF 33-130-22
78
680
1300
462
3 5/8 "
3 5/8 "
354
HEF 33-80-22
80
425
1300
660
2 5/8 "
2 5/8 "
290
HEF 33-140-22 [M]
84
730
1300
462
3 5/8 "
3 5/8 "
382
HEF 33-150-22 [M]
90
780
1300
462
3 5/8 "
3 5/8 "
409
HEF 33-90-22
90
480
1300
660
2 5/8 "
2 5/8 "
328
HEF 33-160-22 [M]
96
830
1300
462
3 5/8 "
3 5/8 "
437
HEF 33-100-22
100
530
1300
660
3 1/8 "
3 1/8 "
364
HEF 33-170-22 [M]
102
880
1300
462
3 5/8 "
3 5/8 "
458
HEF 33-180-22 [M]
108
930
1300
462
3 5/8 "
3 5/8 "
491
HEF 33-110-22
110
580
1300
660
3 1/8 "
3 1/8 "
400
HEF 33-120-22
120
630
1300
660
3 5/8 "
3 5/8 "
436
 
SERIES HEF 33- XXX- 22 : CONSTRUCTION DETAILS
DESIGN
Double walled “ Tube in Tube “, vented, counter flow heat exchanger. Vent tube having serrations on inner & outer surface
 
MATERIAL OF CONSTRUCTION
HEADERS
Seamless MS/ Cast Steel/ SS 304
WATER PIPES
Copper
VENT TUBE & GAS PIPE
SS 304/ Copper
 
INSULATION
1 “ Fiber Glass/ Glass Wool Insulation/ Rubberised foam
CLADDING
ASTM A 351, Gr. CF8M
END CONNECTIONS
Flanged Ends as per ANSI B16.5, Class 150
 
TESTING PRESSURES
GAS LINE
24 kg/ cm2
WATER LINE 10 kg/ cm2
 
MOUNTING POSITION Vertical & in Upward Direction

RECOVERABLE SUPER HEAT FROM R-22 SYSTEMS :
Condensing
Temperature °C
Estimated Discharge
Temperature °C
Recoverable Heat
Kcal/ hr/ kw
46
82
1875
43
77
1700
31
71
1650
35
66
1500
 

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