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Installation - Mechanical
Unit with Optional Pump Package Systems -
Glycol
If using glycol in system, apply adjustment factors to
pressure drops per the following formulas:
•
Glycol Pump Head =
Water Pump Head x Pump Adjustment Factor
•
Glycol Component Pressure Drop =
Components Pressure Drop x Component Adjustment
Factor
Note:
•
For Water Pump Head, see
Figure 64, p. 59
•
For Component Pressure Drop, see
•
For Pump and Component Adjustment Factors, see
Table 27
Table 27.
Brine adjustment factors
Ethylene Glycol
Adjustment for
Percentage
Glycol
Pump
Components
5%
1.004
10%
1.009
15%
1.015
20%
1.021
25%
1.028
30%
1.034
35%
1.040
40%
1.046
45%
-
CG-SVX17E-EN
Figure 61, p. 58
through
Figure 65, p. 60
Propylene Glycol
Adjustment for
Pump
Components
1.085
1.004
1.165
1.120
1.009
1.200
1.155
1.015
1.235
1.190
1.021
1.270
1.235
1.028
1.300
1.280
1.034
1.330
1.345
1.040
1.365
1.410
1.046
1.400
-
1.051
1.460
Pump Package Requirements
The following requirements must be met for proper
operation of pump package:
•
Maximum working pressure 150 psig
•
Fluid type shown in
Table 28
Table 28.
Working fluid
Fluid Type
Fluid Percent (of weight)
Water
100%
Ethylene Glycol
0-40%
Propylene Glycol
0-45%
•
Customer pressure drop must not exceed pump
package head pressures found in section
Information, " p.
9.
•
If buffer tank option is selected, customer water
volume must not exceed the values in
and
Table 30, p.
63. User volume expansion capacity is
defined as the additional expansion volume usable for
the customer if the chiller is installed with pump
package and buffer tank options.
"General
Table 29, p. 62
61
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