Great Lakes Air Products ERF SERIES Instrukcja obsługi - Strona 6

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REQUIRED MAINTENANCE

Inspection
Verify operation of the solenoid drain system. The drain system will cycle
and discharge some fluid and air from the clear condensate drain tube for
approximately 4 seconds every 10 minutes. If no discharge is attained
proceed to the drain service section of required maintenance.
General Maintenance
Clean refrigeration condenser coil by blowing dust and dirt from the inside
of the cabinet out. (Opposite from normal fan air flow) Be sure to clean
condenser fan motor to provide adequate cooling and fan blades to allow
proper balance.
Isolate the valve prior to the Solenoid drain system and remove and clean
the strainer screen
Replace filter element of inline filters.
Drain Service
If the drain system is not discharging condensate, and the strainer is clean,
try cleaning debris from diaphragm, or replacing the solenoid or timer.
If the drain system is continually discharging condensate and air from the
drain tube, try replacing the solenoid valve diaphragm, or the complete
drain valve.
MODEL CAPACITY CORRECTION MULTIPLIER
Inlet Temp.
Ambient Temp.
90
70
1.00
80
1.12
90
1.24
100
1.36
110
1.48
120
1.60
130
1.72
140
1.83
150
1.95
To obtain flow capacities at conditions other that standard (SCFM @ 100 PSIG, 100°F Inlet & 100°F
Ambient), locate the multiplier at the interception of actual operating conditions. Multiply the rated
capacity of the selected dryer by the selected multiplier. The result is the corrected flow capacity. Flow
rates in excess of specified due to capacity correction can result in increasing pressure drop.
Great Lakes Air Products ERF Series Refrigeration Dryers
Effective for equipment manufactured 01/01/2010
Disconnect and lockout dryer power as well as compressed air supply and
depressurize prior to performing the following maintenance items.
90°F
100°F
100
110
90
100
0.92
0.84
0.80
0.73
1.03
0.94
0.90
0.82
1.14
1.04
0.99
0.91
1.25
1.13
1.09
1
1.36
1.23
1.18
1.08
1.46
1.33
1.28
1.17
1.57
1.43
1.37
1.26
1.68
1.53
1.47
1.35
1.79
1.63
1.56
1.43
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110°F
110
90
100
110
0.67
0.66
0.60
0. 55
0.75
0.73
0.67
0.61
0.83
0.81
0.75
0.68
0.91
0.89
0.82
0.74
0.99
0.97
0.89
0.81
1.06
1.04
0.96
0.87
1.14
1.12
1.03
0.94
1.22
1.20
1.10
1.00
1.30
1.28
1.17
1.07
Frequency
Weekly or
As required.
Frequency
Monthly
Monthly
6 Months or
High differential
Frequency
As Required
As Required
120°F
90
100
110
0.50
0.45
0.41
0.55
0.51
0.46
0.61
0.56
0.51
0.67
0.62
0.56
0.73
0.67
0.61
0.79
0.72
0.66
0.85
0.78
0.71
0.91
0.83
0.76
0.97
0.89
0.81