Great Lakes Air Products EDR-B1 series Buku Petunjuk - Halaman 7

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REQUIRED MAINTENANCE

INSPECTION
Verify operation of the solenoid and auto float drain system.
Verify refrigeration analyzer gauge is in the correct range.
Verify operation of both cooling fans.
GENERAL MAINTENANCE
Clean refrigeration condenser coil by blowing dust and dirt from the inside of the
cabinet out. (Opposite from normal fan air flow)
Clean Precooler coil by blowing dust and dirt from the inside of the cabinet up and
out. (Opposite from normal fan air flow)
Isolate the valve prior to the Solenoid drain system and remove and clean the
strainer screen.
Model series B & C have 5-micron separation elements located in the separator
after the precooler, replace the element as required.
Replace auto float drain on internal separator and 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 EDR
SCFM @ 50°F PDP & 120 PSIG
SCFM @ 50°F PDP & 100 PSIG
SCFM @ 39°F PDP &120 PSIG
SCFM @ 39°F PDP &100 PSIG
Min. / Max. Inlet Pressure
Max. Inlet Temperature
Min. / Max. Ambient Temperature
Inlet / Outlet Connections (NPT)
Delta Pressure / P (PSID)
@ Std. Rated Conditions
Shipping Weight (Lbs.)
Refrigeration Compressor Type
Refrigeration Compressor HP
Ref. Compressor BTU/H @
35°F Evaporator & 100°F Ambient
Watts @ 35°F Evap. & 100°F Amb.
Refrigerant Suction Pressure
Refrigerant Type
Refrigerant Charge
Nominal Voltage
(Min-Max Range)
Min. Circuit Ampacity
Maximum Fuse Size (Amps)
(Comp) RLA: Run Load Amps
(Comp) LRA: Locked Rotor Amps
Condenser Fan Motor (Watts/FLA)
Precooler Fan Motor (Watts/FLA)
Overload
Disconnect and lockout dryer power as well as compressed air supply and
depressurize prior to performing the following maintenance items.

ENGINEERING DATA

A1
A2
B1
28
36
50
24
30
43
23
30
42
20
25
36
30 PSIG (2.1 kgf/cm²) / 230 PSIG (16.2 kgf/cm²)
3/4"
3/4"
3/4"
1.7
1.7
1.7
127
130
165
1/5
1/4
1/3
1780
2160
2780
385
465
600
8oZ
10oz
12oz
115-1-60
(103-126)
5.0
6.6
7.67
15
15
15
3.7
4.9
5.8
29.0
27.5
32.0
N/A
N/A
6 / 0.4
9 / 0.6
9 / 0.6
9 / 0.6
External "Klixon" Thermal and Current (Auto Reset)
Page 7
B2
80
67
66
56
200°F (48.8°C)
50°F (10°C) / 110°F (43.3°C)
3/4"
1.9
185
Non Cycling, Hermetic Type
1/2
4430
815
28-34 PSIG
R-134a
13 oz.
115-1-60
230/208-1-60
115-1-60
(103-126)
(187-253)
(103-126)
6.38
12.46
15.53
15
15
4.8
9.5
11.0
23.0
48.0
58.8
9 / 0.6
9 / 0.3
35 / 1.4
9 / 0.3
9 / 0.6
34 /1.6
Frequency
Weekly or
as required.
Frequency
Monthly
Monthly
Monthly
6 Months or
high differential
6 Months or
high differential
Frequency
As required
As required
C1
C2
102
155
86
132
85
129
72
110
1"
1-1/2"
2.7
297
300
5/8
5400
6120
1080
1180
3 Lbs.
4 Lbs.
230/208-1-60
115-1-60
(187-253)
(103-126)
7.83
17.65
20
15
20
5.7
13.0
27.4
69.0
35 / 0.7
35 / 1.4
34 / 0.8
34 /1.6
3.0
3/4
230/208-1-60
(187-253)
9.45
15
7.0
41.8
35 / 0.7
34 / 0.8