Trane HORIZON ABDA - Page 9

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Point Concentration Temperature Temperature
% (°F) (°C)
1 Absorber Dilute Solution 57 95 35
2 57 165 74
3 59 175 79
4 59 275 135
5 65.5 320 160
6 65.5 210 99
7 63 200 93
8 63 118 48
9 61.3 112 44
10 – 305 152
11 – 193 89
12 Condensed Refrigerant – 102 39
13 Evaporator pump refrigerant – 42 6
14 System Chilled Water - entering – 54 12
15 System Chilled Water - leaving – 44 7
16 System heating Water - entering – 130 54
17 System heating Water - leaving – 140 60
18 Absorber Cooling Water – 85 29
19 –9535
20 – 100 38
21 Exhaust Gas – 350 177
Table 2. ABDA machine cooling cycle (See Figure 2)
Note: Table 2 is a typical example of a machine operating at a
standard rating point. (for example, 85° tower, 44° leaving chilled
water at full load).
Lithium Bromide Solution
or Refrigerant Water
Absorber Dilute Solution Entering the Low Temperature
Generator (LTG)
Mixed Solution (Intermediate with Concentrated) Entering
Low Temperature Heat Exchanger (LTHX)
Absorber Spray Solution (Mixed
with absorber dilute)
Absorber Leaving or Condenser
Entering Cooling Water
Condenser Leaving Cooling
Water
Intermediate Solution Leaving the Low Temperature
Generator (LTG)
Intermediate Solution Entering the Low Temperature
Generator (LTG)
Concentrated Solution Entering the High Temperature
Generator (HTG)
Concentrated Solution Leaving High Temperature Heat
Exchanger (HTHX) and Flow Control Device
Mixed Solution Entering
Absorber Sump or Spray Pump
High Temperature Generator (HTG) Refrigerant vapor
Low Temperature Generator (LTG) Refrigerant Vapor