IOMM AGZB1 AGZ 010B through 034B 9
condition exists. Freeze protect any flow switch that is installed outdoors. Follow
installation instructions provided with the flow switch. Calibrate the flow switch to open at
one-half of nominal flow rate.
NOTE: Differential pressure switches are not recommended for outdoor
installation. They are subject to damage from freezing.
Table 2, Flow Switch Settings
inch 1 1/4 1 1/2 2 2 1/2 3 4 5 6 8 Pipe Size
(NOTE !)
mm 32 (2) 38 (2) 51 63 (3) 76 102 (4) 127 (4) 153 (4) 204 (5)
gpm 5.8 7.5 13.7 18.0 27.5 65.0 125.0 190.0 205.0
Flow
Lpm 1.3 1.7 3.1 4.1 6.2 14.8 28.4 43.2 46.6
gpm 3.7 5.0 9.5 12.5 19.0 50.0 101.0 158.0 170.0
Min.
Adjst.
No
Flow Lpm 0.8 1.1 2.2 2.8 4.3 11.4 22.9 35.9 38.6
gpm 13.3 19.2 29.0 34.5 53.0 128.0 245.0 375.0 415.0
Flow
Lpm 3.0 4.4 6.6 7.8 12.0 29.1 55.6 85.2 94.3
gpm 12.5 18.0 27.0 32.0 50.0 122.0 235.0 360.0 400.0
Max.
Adjst.
No
Flow Lpm 2.8 4.1 6.1 7.3 11.4 27.7 53.4 81.8 90.8
NOTES:
1. A segmented 3-inch paddle (1, 2, and 3 inches) is furnished mounted, plus a 6-inch paddle loose.
2. Flow rates for a 2-inch paddle trimmed to fit the pipe.
3. Flow rates for a 3-inch paddle trimmed to fit the pipe.
4. Flow rates for a 3-inch paddle.
5. Flow rates for a 6-inch paddle.
Water Connections
The unit has 3-inch holes for the chilled water piping to enter the unit. The connections are
made to the evaporator water connections located within the unit. Chilled water piping
within the unit must be insulated.
Refrigerant Charge
All units are designed for R-22 or R-407C and are shipped with an operating charge. The
operating charge for each unit is shown in the Physical Data Tables on pages 16 and 17.
Unit Component Location
Control Panel
Tandem Scroll
Compressors
Solenoid Valve, Expansion Valve
Optional Hot Gas Bypass Valve Filter Drier
Evaporator
Charging Valve
Chilled Water
Inlet Connection
Chilled Water
Outlet Connection
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