Trane R Series Installation Operation & Maintenance page 51
R series rotary liquid chillers water-cooled and condenserless
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Table 9
Liquid Line Sizes (O.D.)
For Units with Leaving Evaporator Water Temp of 20-39 F
35 Ton Circuit (20 - 39F LWT)
Liquid Line Size (OD")
Total
Equiv.
Horizontal
Length
or
Upflow
(ft.)
Downflow
1-5 ft.
25
7/8
7/8
50
7/8
7/8
75
7/8
7/8
100
7/8
1 1/8
125
1 1/8
1 1/8
150
1 1/8
1 1/8
175
1 1/8
1 1/8
200
1 1/8
1 1/8
225
1 1/8
1 1/8
250
1 1/8
1 1/8
275
1 1/8
1 1/8
300
1 1/8
1 1/8
50 Ton Circuit (20 - 39F LWT)
Liquid Line Size (OD")
Total
Equiv.
Horizontal
Length
or
Upflow
(ft.)
Downflow
1-5 ft.
25
7/8
7/8
50
7/8
1 1/8
75
1 1/8
1 1/8
100
1 1/8
1 1/8
125
1 1/8
1 1/8
150
1 1/8
1 1/8
175
1 1/8
1 3/8
200
1 1/8
1 3/8
225
1 3/8
1 3/8
250
1 3/8
1 3/8
275
1 3/8
1 3/8
300
1 3/8
1 3/8
RLC-SVX07A-EN
Installation - Remote Condenser
Upflow
Upflow
6-10 ft.
11-15 ft.
7/8
1 1/8
7/8
1 1/8
1 1/8
1 1/8
1 1/8
1 3/8
1 1/8
1 3/8
1 1/8
1 3/8
1 3/8
1 3/8
1 3/8
1 3/8
1 3/8
1 3/8
1 3/8
1 3/8
1 3/8
1 5/8
1 3/8
1 5/8
Upflow
Upflow
6-10 ft.
11-15 ft.
1 1/8
1 1/8
1 1/8
1 3/8
1 1/8
1 3/8
1 1/8
1 3/8
1 3/8
1 3/8
1 3/8
1 5/8
1 3/8
1 5/8
1 3/8
1 5/8
1 3/8
1 5/8
1 3/8
1 5/8
1 3/8
1 5/8
1 5/8
1 5/8
Table 8
only applies to units that are designed for evaporator
leaving water temperatures between 20 - 39 F. A 2 or 4 must
appear in the 12th digit of the RTUA unit model number and the
unit must be designed to operate between 20 - 39 F before this
table can be used. If this table is used to size piping for standard
units. catastrophic damage to the unit may occur.
40 Ton Circuit (20 - 39FLWT)
Liquid Line Size (OD")
Total
Equiv.
Horizontal
Length
or
Upflow
(ft.)
Downflow
1-5 ft.
25
7/8
7/8
50
7/8
7/8
75
7/8
1 1/8
100
1 1/8
1 1/8
125
1 1/8
1 1/8
150
1 1/8
1 1/8
175
1 1/8
1 1/8
200
1 1/8
1 1/8
225
1 1/8
1 3/8
250
1 1/8
1 3/8
275
1 1/8
1 3/8
300
1 1/8
1 3/8
60 Ton Circuit (20 - 39F LWT)
Liquid Line Size (OD")
Total
Equiv.
Horizontal
Length
or
Upflow
(ft.)
Downflow
1-5 ft.
25
1 1/8
1 1/8
50
1 1/8
1 1/8
75
1 1/8
1 1/8
100
1 1/8
1 1/8
125
1 1/8
1 3/8
150
1 1/8
1 3/8
175
1 3/8
1 3/8
200
1 3/8
1 3/8
225
1 3/8
1 3/8
250
1 3/8
1 3/8
275
1 3/8
1 3/8
300
1 3/8
1 3/8
Upflow
Upflow
6-10 ft.
11-15 ft.
7/8
1 1/8
1 1/8
1 1/8
1 1/8
1 3/8
1 3/8
1 3/8
1 3/8
1 3/8
1 3/8
1 3/8
1 3/8
1 3/8
1 3/8
1 5/8
1 3/8
1 5/8
1 3/8
1 5/8
1 3/8
1 5/8
1 3/8
1 5/8
Upflow
Upflow
6-10 ft.
11-15 ft.
1 1/8
1 1/8
1 1/8
1 3/8
1 1/8
1 3/8
1 3/8
1 3/8
1 3/8
1 5/8
1 3/8
1 5/8
1 3/8
1 5/8
1 3/8
1 5/8
1 3/8
1 5/8
1 5/8
1 5/8
1 5/8
2 1/8
1 5/8
2 1/8
51
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