Grain-systems PNEG-526 User Manual Page 23
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- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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17
Tower Dryer Operations & Service
V. Alarms
The controller checks the sensors and control status regularly. If abnormal
conditions are detected, a corresponding alarm will go off, an alarm message will come up
on the main screen and the dryer will be shut down.
ALARM CAUSES
SOLUTION
Moisture out of range -
the moisture coming out
of the dryer was 2.5%
above or below the set-
point for more than one
hour under AUTO control
mode
• Sensor box plugged and
sensor was not covered
by grain
• Dry sensor out of
calibration
• Too big swing of
moisture coming into the
dryer
• Clear the sampler and
sensor box
• Calibrate the sensor
• Run the dryer manually
for one pass
Dry sensor error -
sensor reading is less than
6% or higher than 40%
• Bad wiring
• Bad sensor
• Bad circuit board
• Check connection
• Change the sensor
• Change the circuit board
Dry grain temperature out
of range (0-300F)
• Bad wiring
• Bad sensor
• Bad circuit board
• Check connection
• Change the sensor
• Change the circuit board
Wet sensor error -
sensor readng is less than
6% or higher than 40%
• Bad wiring
• Bad sensor
• Bad circuit board
• Check connection
• Change the sensor
• Change the circuit board
Wet grain temp. out of
range
(0-300F)
• Bad wiring
• Bad sensor
• Bad circuit board
• Check connection
• Change the sensor
• Change the circuit board
Column grain temperature
RTD out of range
(0-300F)
• Bad wiring
• Bad sensor
• Bad circuit board
• Check connection
• Change the sensor
• Change the circuit board
TRI-POINT MOISTURE CONTROLLER
23
- Tower Dryer 1
- SAFETY GUIDELINES 7
- SAFETY FIRST 8
- READ THESE INSTRUCTIONS 9
- BEFORE OPERATION AND SERVICE 9
- SAVE FOR FUTURE REFERENCE 9
- SAFETY PRECAUTIONS 9
- INSTALLATION REQUIREMENTS 10
- Electrical 10
- DRYER CONTROL PANEL 11
- DRYER START UP 13
- OR UNLOAD RATE 14
- Moisture 18
- Controller 18
- Optional Tri-Point 18
- I. Main Screen 19
- II. Set-Up of the Controller 20
- III. Operation Procedure 21
- IV. How the Controller Works 22
- V. Alarms 23
- VI. Access Drying History 24
- PRE-SEASONAL INSPECTION AND 31
- SEASONAL INSPECTION AND 32
- LUBRICATION TABLE 33
- TROUBLE 37
- SHOOTING 37
- TROUBLESHOOTING – BURNER 38
- TROUBLESHOOTING 39
- 36 45
- 37 46
- 38 47
- 39 48
- 40 49
- 41 50
- 42 51
- ELECTRICAL 52
- DIAGRAMS 52
- THE GSI GROUP 65
- COMPONENT MANUALS 79
- PowerFlex 4 Adjustable 81
- Frequency AC Drive 81
- Mounting Considerations 82
- CE Conformity 82
- English-3 83
- English-4 84
- English-5 85
- Prepare For Drive Start-Up 86
- English-7 87
- English-8 88
- English-9 89
- English-10 90
- English-11 91
- CO Emissions Profile 94
- AIRFLO® Burner 95
- Pilot Gas Train 96
- Start-Up Instructions 99
- Page 5550-S-4 100
- Series NP-LE AIRFLO 100
- Series NP-LE AIRFLO 101
- Burners 101
- Page 5550-S-5 101
- Page 5550-S-6 102
- NP-1-LE-AL 103
- NP-1-LE-AL-SS 104
- Page 5550-S-9 105
- Fastener Kits 106
- Maintenance Instructions 107
- CORPORATION 108
- COMPONENTS 109
- Flow Control Valves 110
- Installation Instructions 111
- Adjusting Instructions 112
- Top Assembly Rotation 117
- “AW” “TO” 118
- Operating Instructions 119
- Page 6100-S-7Ele 121
- Electrical Data 122
- .375" – .75" 122
- Series 8730, 8760 122
- Page 6100-S-9Ele 123
- Normally Open Valves 123
- Tandem Arrangements 124
- 2.31 dia 125
- GEARBOXES 128
- Shaft Mount Gearboxes 129
- INSTALLATION OF UNIT 130
- WARNING: 132
- “Lubed for Life” 133
- MAINTENANCE 134
- 135
- PARTS LIST 136
- TROUBLE SHOOTING 137
- SM-CYCLOB 138
- SPEED REDUCERS 138
- Mounting 139
- GENERAL CONSTRUCTION 140
- .......< 142
- Fr:n:ed 143
- ' 144
- LUBRICATION 145
- Slow Speed Shaft Bearing 148
- High Speed Shaft Bearing 148
- BEARINGS 149
- SEALS, GASKETS 149
- Intermediate Shaft Bearing 150
- 120x.155~16 150
- Disassembly 151
- Assembly 151
- "B" 152
- @' 153
- TROUBLESHOOTING AND REPAIR 154
- Series 72 156
- Modutrol IV™ Motors 156
- ORDERING INFORMATION 157
- SPECIFICATIONS 157
- SPRING RETURN MODEL SHOWN 158
- 63-2202—44 159
- INSTALLATION 160
- Adapter Bracket 161
- Damper Linkages 161
- Valve Linkages 161
- Junction Box 161
- NON-SPRING RETURN 162
- SPRING RETURN 162
- 63-2202—48 163
- SERIES 72 MODUTROL IV™ MOTORS 164
- SETTINGS AND ADJUSTMENTS 165
- Auxiliary Switch Adjustment 166
- OPERATION AND CHECKOUT 167
- Model 121 169
- Regulators 169
- To Change Spring 170
- Shutdown 170
- Set Point Adjustment 170
- " x 171
- " not available 171
- Differential Regulator 172
- Back Pressure 173
- Condensed Parts List 1 174
- ", 2" and 2 174
- To Service Valve (15) 175
- To Service Orifice (19) 175
- 1" NPT Vent 176
- " NPT Control 176
- 3" and 4" Model 121 177
- 4" Model 121 only 177
- 3" Model 121 only 177
- Gas Regulators 179
- MONITOR REGULATORS AND 180
- EXTERNAL CONTROL LINES 180
- USE WITH OTHER GASES 180
- GENERAL INSPECTION AND 180
- SERVICE INSTRUCTIONS 180
- Page 2 of 2 Form No.V5495R4 183
- F (-40 C) 184
- (See Figure 1) 185
- Torque Chart 186
- "C" 189
- Representative 189
- AIRPRESS.SWS. 190
- (revised July 2009) 191
- Copyright © 2011by GSI Group 192
- Printed in the USA 192
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