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2.0 OPERATION
NOTE: Installations above 6000 feet, 1825 meters
Unit is adjusted to operate in altitudes up to 6000 feet, 1825
meters. If unit is installed in an altitude above this, and has
not been preset at the factory for this altitude, contact
Manufacturer's Service Department.
2.1
Start-up
Start refrigeration system by pushing the on/off switch to
the ON position (depress rocker switch on side marked "I").
NOTE: The fault light may illuminate when unit is energized.
Light should go out approximately 5 minutes after start-up.
If light remains lit after 30 minutes or illuminates after going
out, refer to Troubleshooting Guide.
On/Off Switch
O
Control Panel
2.2
Operating check points
Check the following on a periodic basis:
A.
Rocker switch is in the ON position.
B.
Amber fault light is out.
C.
Condensate is being regularly discharged.
2.3
Minimum/maximum operating conditions
A.
Minimum/Maximum air pressure: 20/250 psig,
1.4/17.6 kgf/cm
2
B.
Maximum inlet air temperature: 180°F, 82°C
C.
Minimum/Maximum ambient temperature:
40/110°F, 4/43°C
Fault Light
I
D.
Maximum flow capacity
1. For dryers without an aftercooler installed upstream
Flow capacity in scfm (m
temperature, 160°F, 71°C inlet pressure dew point,
95°F, 35°C ambient temperature, and less than
5 psi, 0.35 kgf / cm
pressure drop.
2
Inlet Pressure
175 (12.3) 150 (10.6)
psig (kgf/cm
)
2
20
23 (0.65)
25
29 (0.82)
35
41 (1.16)
Model
50
58 (1.64)
75
87 (2.46)
100
116 (3.29) 108 (3.06) 100 (2.83)
125
145 (4.12) 135 (3.82) 125 (3.54) 114 (3.23)
Inlet Pressure
175 (12.3) 150 (10.6)
psig (kgf/cm
)
2
20
20 (0.57)
25
24 (0.68)
Model
35
31 (0.88)
50
58 (1.64)
75
71 (2.01)
2. For dryers with an aftercooler installed upstream
Flow capacity in scfm (m
temperature, 100°F, 38°C inlet pressure dew point,
100°F, 38°C ambient temperature, and less than
10 psi, 0.7 kgf / cm
pressure drop.
2
Inlet Pressure
175 (12.3) 150 (10.6)
psig (kgf/cm
)
2
20
32 (0.91)
25
40 (1.13)
35
55 (1.56)
Model
50
78 (2.21)
75
118 (3.34) 110 (3.12) 102 (2.89)
100
157 (4.45) 146 (4.14) 136 (3.85) 123 (3.48)
125
197 (5.58) 183 (5.18) 170 (4.82) 155 (4.39)
Inlet Pressure
175 (12.3) 150 (10.6)
psig (kgf/cm
)
2
20
27 (0.76)
25
33 (0.93)
Model
35
43 (1.22)
50
78 (2.21)
75
96 (2.72)
/min) @ 180°F, 82°C inlet
3
60 HZ
125 (8.8)
100 (7.0)
22 (0.62)
20 (0.57)
18 (0.51)
27 (0.76)
25 (0.71)
23 (0.65)
38 (1.08)
35 (0.99)
32 (0.91)
54 (1.53)
50 (1.42)
45 (1.27)
81 (2.29)
75 (2.12)
68 (1.93)
91 (2.58)
50 HZ
125 (8.8)
100 (7.0)
18 (0.51)
17 (0.48)
15 (0.42)
23 (0.65)
21 (0.59)
19 (0.54)
29 (0.82)
27 (0.76)
24 (0.68)
54 (1.53)
50 (1.42)
45 (1.27)
66 (1.87)
61 (1.73)
55 (1.56)
/min) @ 100°F, 38°C inlet
3
60 HZ
125 (8.8)
100 (7.0)
30 (0.85)
28 (0.79)
25 (0.71)
37 (1.05)
34 (0.96)
31 (0.88)
51 (1.44)
47 (1.33)
43 (1.22)
73 (2.07)
67 (1.90)
61 (1.73)
92 (2.61)
50 HZ
125 (8.8)
100 (7.0)
25 (0.71)
23 (0.65)
21 (0.59)
31 (0.88)
29 (0.82)
26 (0.74)
40 (1.13)
37 (1.05)
33 (0.93)
73 (2.07)
67 (1.90)
61 (1.73)
90 (2.55)
83 (2.35)
75 (2.12)
3
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