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P1502W2
User Manual
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Puregas P1500W2, P1500W2LP, P1502W2, P1502W2LP User Manual

P1500W2 Series Air Dryers
User’s Guide
Models covered:
P1500W2 P1500W2LP P1502W2 P1502W2LP
P012253 – Rev. E
PUREGAS, LLC P1500W2 Series Air Dryers User’s Guide
1. Welcome & Congratulations
Congratulations on your purchase of a new PUREGAS P1500W2 Series Air Dryer! We here at PUREGAS are very proud of our products and we are committed to providing you with the best value and service possible.
We are sure that you will be satisfied with your new air dryer and would like to thank you for choosing PUREGAS for your air dryer requirements. We also hope that you will continue to choose us for your future air pressure and related product purchases.
For information about this and other PUREGAS products, please visit us on the web at:
www.puregas.com
2. Introduction
PLEASE READ THIS USER’S GUIDE THOROUGHLY AND SAVE FOR FUTURE REFERENCE.
This User’s Guide is provided for the benefit of our customers and contains information and direction specific to the PUREGAS P1500W2 Series Air Dryers. Models covered include P1500W2, P1500W2LP, P1502W2 and P1502W2LP. This guide covers topics including: safety, specifications, installation, registration, operation, testing, maintenance, replacement parts, service, and troubleshooting issues. Observation and compliance with this User’s Guide will ensure the maximum life and efficiency of your air dryer.
This User’s Guide should be read thoroughly prior to installing, operating, or servicing the air dryer in order to become familiar with the recommended procedures. This will minimize the possibility of personal injury or damage to the unit due to improper operation or handling.
PUREGAS, LLC P1500W2 Series Air Dryers User’s Guide
3. Table of Contents
8.12 Connecting to Common Alarm
1. Welcome & Congratulations .......................... 3
Terminals ........................................................ 42
2. Introduction ..................................................... 3
3. Table of Contents ............................................. 4
4. Safety & Warning Information ...................... 6
5. Overview & Specifications .............................. 9
5.1 Product Description .................................... 9
5.2 Key Features ............................................... 9
5.3 P1500W2 Series Air Dryer Models ............ 9
5.4 Technical Specifications ........................... 10
5.5 Dryer Function Overview ......................... 11
6. Installing Your Dryer .................................... 12
6.1 Safety & Warning Information ................. 12
6.2 Before You Begin ..................................... 13
6.3 Included Contents ..................................... 14
6.4 Required Tools and Materials ................... 14
6.5 Installation Steps ....................................... 15
6.6 Installation Checklist ................................ 22
8.13 Connecting to Power Fail Alarm
Terminals ........................................................ 43
8.14 Connecting via Web Browser ................. 44
8.15 Using the Status Screen .......................... 46
8.16 Using the Config Screen ......................... 49
8.17 Using the Event Screen ........................... 52
8.18 Using the Alarm Screen .......................... 53
8.19 Using the Firmware Screen ..................... 54
8.20 Connecting via SNMP ............................ 56
9. Testing Your Dryer ....................................... 57
9.1 Safety & Warning Information ................. 57
9.2 Measuring Compressor Amp Draw .......... 58
9.3 Measuring Compressor Voltage ............... 59
9.4 Measuring Incoming Voltage ................... 60
9.5 Measuring Voltages at Solid State Relay .. 61
9.6 Testing Consistent Heatless Dryer
Cycling............................................................ 63
9.7 Testing Unloader Valve ............................ 65
9.8 Measuring Heatless Dryer Solenoid
7. Registering Your Dryer ................................ 23
8. Operating Your Dryer .................................. 24
8.1 Safety & Warning Information ................. 24
8.2 Connecting Air Supply Line to the Dryer . 25
8.3 Powering the Dryer ON & OFF ................ 26
8.4 Using the Front Panel Display .................. 27
8.5 Identifying Dryer Alarms ......................... 29
8.6 Adjusting & Resetting Dryer Set Points ... 31
8.7 Open Front Panel ...................................... 39
8.8 Depressurizing the Dryer .......................... 39
8.9 Setting the System Pressure ...................... 40
8.10 Setting the Static Pressure ...................... 40
8.11 Setting the Outlet Pressure ...................... 41
Voltage............................................................ 66
9.9 Testing Air Dryer Fan ............................... 67
9.10 Testing Safety Relief Valve .................... 67
9.11 Testing Compressor ON/OFF Cycling ... 68
9.12 Testing High Duty Cycle Alarm ............. 69
9.13 Testing Humidity Alarm and System
Shutdown ........................................................ 70
9.14 Testing High Outlet Pressure Alarm ....... 72
9.15 Testing Low Outlet Pressure Alarm ....... 73
9.16 Testing Air Fittings & Hoses for Leaks .. 74
10. Maintaining Your Dryer ............................. 75
10.1 Safety & Warning Information ............... 75
10.2 Six Month Maintenance .......................... 77
PUREGAS, LLC P1500W2 Series Air Dryers User’s Guide
10.3 8,000 Hour Maintenance ........................ 78
11. Replacement Parts & Accessories .............. 79
11.1 Dryer Parts .............................................. 79
11.2 Dryer Parts cont. ..................................... 80
11.3 Heatless Dryer Assembly Parts............... 81
11.4 Accessories for Your Dryer .................... 82
11.5 Ordering Parts from PUREGAS ............. 83
12. Service & Repair .......................................... 84
12.1 Services Offered ..................................... 84
12.2 Initiating a Service Transaction .............. 84
13. Troubleshooting Your Dryer ...................... 85
13.1 Before You Call PUREGAS ................... 85
13.2 Safety & Warning Information ............... 85
13.3 Air Dryer Won’t Power ON ................... 86
13.4 Display Screen Not Functioning ............. 87
13.13 Inconsistent Heatless Dryer Cycling ..... 91
13.14 Compressor Doesn’t Operate ................ 91
13.15 Compressor Won’t Build Pressure ........ 92
13.16 Compressor Excessive AMP Draw ....... 92
13.17 High Duty Cycle Alarm ........................ 93
13.18 Can’t Create a High Duty Cycle Alarm 93
13.19 Compressor Rapid ON/OFF Cycling .... 94
13.20 Contacting PUREGAS Technical
Support............................................................ 94
14. Appendix ...................................................... 95
14.1 Wiring Diagram ...................................... 95
14.2 Set Point Limits and Defaults ................. 96
14.3 SNMP Parameters ................................... 97
15. Limited Warranty Agreement .................... 98
Registration Reminder .................................... 98
13.5 High Outlet Pressure Alarm .................... 87
13.6 Can’t Create a High Pressure Alarm ....... 87
13.7 Low Outlet Pressure Alarm .................... 88
13.8 Can’t Create a Low Pressure Alarm ....... 88
13.9 High Humidity ........................................ 89
13.10 Can’t Create a High Humidity Alarm /
Shutdown ........................................................ 90
13.11 High Flow Rate Alarm .......................... 90
13.12 High Cabinet Temperature Alarm ........ 90
16. Contacting PUREGAS ................................ 99
16.1 General .................................................... 99
16.2 Sales ........................................................ 99
16.3 Service .................................................... 99
16.4 Technical Support ................................... 99
17. Notes............................................................ 100
PUREGAS, LLC P1500W2 Series Air Dryers User’s Guide
4. Safety & Warning Information
This section contains general information about safety and warning points to consider and adhere to during installation, operation, and maintenance of your air dryer. PLEASE READ THIS SECTION BEFORE PERFORMING ANY OPERATION OR PROCEDURE ON YOUR AIR DRYER. Additional warnings specific to an operation or procedure will also be presented throughout the following sections. These will include the symbol as well as a label of “WARNING! attention for these warnings and read them as you encounter them.
”, “CAUTION!”, or “IMPORTANT!”. Please be sure to pay close
WARNING!
For your safety, all the information in this User’s Guide must be followed to minimize the risk of electrical shock, and prevent property damage or personal injury.
WARNING!
Extreme care should be exercised to avoid contact with live electrical circuits. Many procedures performed during installation,
operation, testing, and maintenance of this air dryer require the equipment to be running, creating a situation for potential electrical shock. It is highly recommended that you remove all jewelry before performing any procedures.
WARNING!
Internal surfaces may be hot. Use care when coming into contact
with internal components as there is a potential for some of these components to become hot when in operation or standby.
WARNING!
High Noise. PUREGAS air dryers are meant to be installed in an
unattended area.
PUREGAS, LLC P1500W2 Series Air Dryers User’s Guide
y
CAUTION!
Proper Installation & Maintenance as outlined in this User’s Guide is extremely important to ensure the reliability and longevity of the equipment as well as prevent damage or personal injury.
CAUTION!
Depressurizing the air dryer may be necessary before performing certain procedures. NEVER remove pressure sensing tubes from the Control Board without depressurizing the air dryer first, or damage to
the Control Board will occur.
CAUTION!
Incoming power to dryer must be:
• 15 amp service recommended
• 10 amp slow blow fuse
• 110 - 125 VAC, 50/60 Hz for P1500W2 & P1500W2LP models
• 208 - 230 VAC, 50/60 Hz, 1 Phase for P1502W2 &
P1502W2LP models
IMPORTANT!
Performing routine maintenance as outlined in the Maintaining Your Dryer section will ensure optimal performance over the lifecycle of
our air dryer.
IMPORTANT!
Performing procedures not described in this User’s Guide or installing components not supplied by PUREGAS is NOT RECOMMENDED AND MAY VOID THE WARRANTY.
PUREGAS, LLC P1500W2 Series Air Dryers User’s Guide
CAUTION!
This Air Dryer does not contain an internal Surge Protection Device (SPD). If an SPD is required it must be supplied by the user.
CAUTION!
Observe precautions for handling Electrostatic Sensitive Devices.
IMPORTANT!
Installation of PUREGAS air dryers are intended for network telecommunication facilities (non-customer premises) only.
PUREGAS, LLC P1500W2 Series Air Dryers User’s Guide
5. Overview & Specifications
5.1 Product Description
The P1500W2 Series Air Dryers from PUREGAS are designed to intake wet ambient air and remove the moisture for delivery to applications requiring a constant, on­demand source of dry, pressurized air. This process is fully automatic and will remain consistent with minimal required periodic maintenance. These dryers are designed specifically for indoor use.
The P1500W2 Series Air Dryers employ a fully digital operating platform offering the most accurate readings of dryer variables, removable access panel allowing easier access for adjustment and maintenance, and ultra quiet compressor with an industry leading maintenance interval of 8,000 hours.
5.2 Key Features
• LCD display of all operating parameters
• Solid state microprocessor-based circuitry eliminates costly maintenance
• Accurate humidity sensing within ±0.1% RH
• Quietest dryer on the market - less than 50 dBA
• Oil-less compressors with 8,000 hour maintenance interval
5.3 P1500W2 Series Air Dryer Models
Model Description
P1500W2 110 - 125 VAC, Standard Pressure 13.8 – 103.4 KPa P1500W2LP 110 - 125 VAC, Low Pressure 2.07 – 51.71 KPa P1502W2 208 - 230 VAC, Standard Pressure 13.8 – 103.4 KPa P1502W2LP 208 - 230 VAC, Low Pressure 2.07 – 51.71 KPa
PUREGAS, LLC P1500W2 Series Air Dryers User’s Guide
5.4 Technical Specifications
Output Capacity
Power Requirements
Outlet Pressure Range
Outlet Air Humidity
Compressor Type
Drying Method
Operating Temperature Range
Noise Level
Alarms
Outlet Connections
Dimensions
Net Weight
P1500W2 P1500W2LP P1502W2 P1502W2LP
Normal: Up to 34 SCMD continuous
Maximum: 42.5 SCMD emergency
110 - 125 VAC,
50/60 Hz, 7.0 Amps
13.8 – 103.4 KPa
Two-cylinder, 3/4 HP, oil-less type Two-cylinder, 1/2 HP, oil-less type
Standard alarms – complete readings of all critical measurement points,
2.07 – 51.71 KPa
Less than 2% RH
Heatless Desiccant
5° to 30° C (optimal)
48 dBA at 3 m
individual alarm indication display
3/8” O.D. tube fitting
30.5 cm x 43.8 cm x 68.6 cm
33.6 kgs
208 – 230 VAC, 1 Phase,
50/60 Hz, 3.5 Amps
13.8 – 103.4 KPa
2.07 – 51.71 KPa
Page 10 of 100 P012253 – Rev. E
PUREGAS, LLC P1500W2 Series Air Dryers User’s Guide
5.5 Dryer Function Overview
Component Description
1 Compressor Compresses drawn in ambient air. 2 Unloader Valve Relieves excess Compressor head pressure. 3 Unloader Valve Exhaust Exhausts the air from the Unloader Valve. 4 In-Line Cooler Cools compressed air prior to drying function. 5 Heatless Dryer Removes moisture from compressed air. 6 Capacity Control Valve Regulates System Pressure and prevents air from
bleeding back through the Heatless Dryer. 7 Humidity Sensor Measures the Humidity of the compressed air. 8 Air Tank Stores dry compressed air. 9 Static Pressure Regulator Regulates the Static Pressure 117 KPa (17 PSI).
Maintains constant pressure on the Flow Block
for accurate Flow measuring.
10 Flow Block Measures the Flow Rate of compressed air. 11 Outlet Pressure Regulator Regulates the Outlet Pressure. 12 Pressure Outlet Outputs the pressure set by the Outlet Pressure
Regulator.
Page 11 of 100 P012253 – Rev. E
PUREGAS, LLC P1500W2 Series Air Dryers User’s Guide
6. Installing Your Dryer
6.1 Safety & Warning Information
WARNING!
Extreme care should be exercised to avoid contact with live electrical circuits. Many procedures performed during installation,
operation, testing, and maintenance of this air dryer require the equipment to be running, creating a situation for potential electrical shock. It is highly recommended that you remove all jewelry before performing any procedures.
WARNING!
Internal surfaces may be hot. Use care when coming into contact
with internal components as there is a potential for some of these components to become hot when in operation or standby.
CAUTION!
Proper Installation & Maintenance as outlined in this User’s Guide is extremely important to ensure the reliability and longevity of the equipment as well as prevent damage or personal injury.
CAUTION!
Incoming power to dryer must be:
• 15 amp service recommended
• 10 amp slow blow fuse
• 110 - 125 VAC, 50/60 Hz for P1500W2 & P1500W2LP models
• 208 - 230 VAC, 50/60 Hz, 1 Phase for P1502W2 &
P1502W2LP models
Page 12 of 100 P012253 – Rev. E
PUREGAS, LLC P1500W2 Series Air Dryers User’s Guide
WARNING!
High Noise. PUREGAS air dryers are meant to be installed in an
unattended area.
IMPORTANT!
Performing procedures not described in this User’s Guide or installing components not supplied by PUREGAS is NOT RECOMMENDED AND MAY VOID THE WARRANTY.
6.2 Before You Begin
6.2.1 Carefully inspect the unit, including the shipping box as well as the air
dryer, for ANY DAMAGE CAUSED BY SHIPPING. If any shipping damage is detected, it is important to file a claim with the shipping company prior to continuing the installation procedures.
6.2.2 Read the entire Installing Your Dryer section to familiarize yourself with
the components and procedures before performing the air dryer installation.
6.2.3 Verify the installation location of the air dryer:
6.2.3.1 Well ventilated and free from abrasive dust or chemicals.
6.2.3.2 Ambient temperature is between 5° and 30° C (optimal).
NOTE: Higher temperatures will decrease component lifespan.
6.2.3.3 Meets the following power requirements:
• 15 amp service recommended
• 10 amp slow blow fuse
• 110 - 125 VAC
, 50/50 Hz for P1500W2 & P1500W2LP models
• 208 - 230 VAC, 50/60 Hz, 1 P
6.2.4 Notify the alarm center of the installation and potential for alarms during
the process (as necessary).
Page 13 of 100 P012253 – Rev. E
hase for P1502W2 & P1502W2LP models
PUREGAS, LLC P1500W2 Series Air Dryers User’s Guide
6.3 Included Contents
(1) P1500W2 Series Air Dryer
(1) Installation Guide (not shown)
Package located inside the dryer:
(1) 120 VAC Power Cord (for P1500W & P1500WLP models) (1) 220 VAC Power Cord (for P1502W & P1502WLP models) (1) Tee Tube Union (1) User’s Guide (not shown) (1) Mini CD (not shown)
6.4 Required Tools and Materials
• 9/16” wrench
• Cup of soapy water
• 1-inch paint brush (recommended)
• Box cutter
Page 14 of 100 P012253 – Rev. E
PUREGAS, LLC P1500W2 Series Air Dryers User’s Guide
6.5 Installation Steps
6.5.1 Using a box cutter remove
the Dryer from box and all shipping materials.
NOTE: If ANY SHIPPING DAMAGE is detected, file a claim with the shipping company prior to continuing the installation procedures.
6.5.2 Open front panel latches
and remove the front panel.
6.5.3 Check for loose parts,
hoses, or wiring.
NOTE: If ANY SHIPPING DAMAGE is detected, file a claim with the shipping company prior to continuing the installation procedures.
Page 15 of 100 P012253 – Rev. E
PUREGAS, LLC P1500W2 Series Air Dryers User’s Guide
6.5.4 Remove the ship-loose
contents package.
6.5.5 Remove and discard the
three packing foam blocks from around the compressor.
6.5.6 Place the dryer at the desired operating location:
• Place the dryer on a leveled surface
• For rack install use Universal Rack Mounting Kit P011674 (section
11.4 )
• For wall install use Wall Mounting Kit P011773 (section 11.4 )
6.5.7 Verify that the dryer is
powered OFF.
Page 16 of 100 P012253 – Rev. E
PUREGAS, LLC P1500W2 Series Air Dryers User’s Guide
6.5.8 Plug AC Power Cord to
dryer.
6.5.9 Wire or plug the power
cord into:
• 110 - 125 VAC power
outlet for P1500W2 & P1500W2LP models.
• 208 - 230 VAC, 1 phase, power outlet for P1502W2 & P1502W2LP
models.
o Line – Black (Brown) o Neutral – White (Blue) o Ground – Green (Green/Yellow)
6.5.10 Power the dryer ON.
NOTE: The compressor and
heatless dryer will start, creating air flow through the Outlet Port.
6.5.11 Set the System Pressure:
With Compressor running:
6.5.11.1 Pull the Capacity
Control Valve knob out.
Page 17 of 100 P012253 – Rev. E
PUREGAS, LLC P1500W2 Series Air Dryers User’s Guide
6.5.11.2 Turn the knob until
the reading on the pressure gauge is 552
KPa ( 80 PSI ).
6.5.11.3 Push the knob in to
lock.
6.5.12 Let the dryer run until the
Humidity drops below 2% (may take up to 15 minutes).
NOTE: Press the RESET
Button if the dryer goes into
SHUTDOWN mode.
6.5.13 Power the dryer OFF.
6.5.14 Remove the Precision
Bleed orifice from the Outlet Port.
NOTE: Save this orifice for use in low flow applications.
Page 18 of 100 P012253 – Rev. E
PUREGAS, LLC P1500W2 Series Air Dryers User’s Guide
6.5.15 Connect the air supply line
to the Outlet Port.
NOTE: For all dryers with minimal flow:
Install the Tee Tube Union and the Precision Bleed Orifice to maintain a constant air flow. (The orifice was removed in step 6.5.14 ).
6.5.16 Power the dryer ON.
Page 19 of 100 P012253 – Rev. E
PUREGAS, LLC P1500W2 Series Air Dryers User’s Guide
6.5.17 Set the Static Pressure:
6.5.17.1 Pull Static Pressure
Regulator knob out.
6.5.17.2 Turn knob until the
reading on the pressure gauge is 117 KPa (17
PSI).
6.5.17.3 Push knob in to lock.
6.5.18 Set the Outlet Pressure:
6.5.18.1 Pull the Outlet
Pressure Regulator knob out (or loosen the retaining nut – LP Models).
Page 20 of 100 P012253 – Rev. E
PUREGAS, LLC P1500W2 Series Air Dryers User’s Guide
6.5.18.2 Turn knob until
Outlet Pressure (OUTP) reading is at the desired setting.
6.5.18.3 Push knob in to lock
(or tighten the retaining nut – LP Models).
6.5.19 Check for air leaks:
NOTE: This is a general procedure that can be applied to any fitting or hose that has air pressure in it. DO NOT SOAP TEST THE HUMIDITY SENSOR FITTING. DAMAGE TO THE SENSOR MAY OCCUR.
With Compressor NOT running:
6.5.19.1 Listen for any ‘hissing’ sounds which may indicate a fitting or hose
air leak.
With Compressor running:
6.5.19.2 Use a 1-inch paint
brush to dab soapy water on the air fitting or hose
connection to be tested. If air bubbles appear at the connection, this indicates that air is leaking from the connection.
If any leaks are detected, take steps to seal them off (as necessary):
• Tighten the fitting
• Re-connect loose hose
• Replace the fitting / hose / component
Page 21 of 100 P012253 – Rev. E
PUREGAS, LLC P1500W2 Series Air Dryers User’s Guide
6.5.20 Re-install the front panel.
6.5.21 REGISTER YOUR
DRYER. See section 7. for details.
6.6 Installation Checklist
No shipping damage was detected. Dryer location meets the following requirements:
o Well ventilated o Free from abrasive dust or chemicals o Ambient temperature is between 5° and 30° C (optimal)
Shipping foam blocks removed from compressor. System Pressure is set to 552 KPa (80 PSI). Static Pressure is set to 117 KPa (17 PSI). No air leaks are present in the system. No alarms are present on the Display Panel.
Page 22 of 100 P012253 – Rev. E
PUREGAS, LLC P1500W2 Series Air Dryers User’s Guide
7. Registering Your Dryer
Please take a moment to register your PUREGAS P1500W2 Series Air Dryer. Registering is necessary to activate the Limited Warranty on your product. Once you register, you are eligible to receive free technical support, as well as updates concerning your PUREGAS products.
Register Online at www.puregas.com/registration
Or by Phone 1-800-521-5351 (option 2)
Have the following information available:
Model #: Serial #:
Company Name: Location Name:
Shipping Address:
City: State: Zip Code:
Contact Name: Phone #: ( ) - ext.
Email:
Page 23 of 100 P012253 – Rev. E
PUREGAS, LLC P1500W2 Series Air Dryers User’s Guide
8. Operating Your Dryer
8.1 Safety & Warning Information
WARNING!
Extreme care should be exercised to avoid contact with live electrical circuits. Many procedures performed during installation,
operation, testing, and maintenance of this air dryer require the equipment to be running, creating a situation for potential electrical shock. It is highly recommended that you remove all jewelry before performing any procedures.
WARNING!
Internal surfaces may be hot. Use care when coming into contact
with internal components as there is a potential for some of these components to become hot when in operation or standby.
WARNING!
High Noise. PUREGAS air dryers are meant to be installed in an
unattended area.
IMPORTANT!
Performing procedures not described in this User’s Guide or installing components not supplied by PUREGAS is NOT RECOMMENDED AND MAY VOID THE WARRANTY.
Page 24 of 100 P012253 – Rev. E
PUREGAS, LLC P1500W2 Series Air Dryers User’s Guide
8.2 Connecting Air Supply Line to the Dryer
8.2.1 Connect the air supply line
to the Outlet Port.
NOTE: For all dryers with minimal flow:
Install the Tee Tube Union and the Precision Bleed Orifice to maintain a constant air flow. (The orifice was removed in step 6.5.14 ).
Page 25 of 100 P012253 – Rev. E
PUREGAS, LLC P1500W2 Series Air Dryers User’s Guide
8.3 Powering the Dryer ON & OFF
8.3.1 POWER Switch - Controls
the main power to the dryer.
CAUTION!
Incoming power to dryer must be:
• 15 amp service recommended
• 10 amp slow blow fuse
• 110 - 125 VAC, 50/60 Hz for P1500W & P1500WLP
models
• 208 - 230 VAC, 50/60 Hz, 1 Phase for P1502W &
P1502WLP models
Page 26 of 100 P012253 – Rev. E
PUREGAS, LLC P1500W2 Series Air Dryers User’s Guide
8.4 Using the Front Panel Display
8.4.1 ALARM LED – Indicates an alarm is present.
CAUTION!
The Display Screen is covered by a clear protective layer that guards against Electrostatic Discharge (ESD). DO NOT REMOVE THIS LAYER.
8.4.2 RESET Button – Clears an alarm and allows the system to continue
operating.
8.4.3 HOLD Button – Freezes the current information screen on the display.
When pressed again, it will allow the information screens to begin cycling again.
8.4.4 Arrow Buttons – Used to access, navigate, and change values in the Set
Point Adjust screens.
Page 27 of 100 P012253 – Rev. E
PUREGAS, LLC P1500W2 Series Air Dryers User’s Guide
8.4.5 Display Screen - Shows the current dryer readings. Will cycle between
the following information screens (unless the HOLD button has been pressed):
8.4.5.1 Tank Screen
TANK – Air Tank pressure - fluctuates between 345 – 620 KPa OUTP – Outlet Pressure regulated by the Outlet Pressure Regulator HUMIDITY – Humidity level of the system CABINET – Temperature of the dryer cabinet compartment
8.4.5.2 System Stat Screen
SYSTEM STAT - Running Status of the system:
• ON RUN – System is Online
• SHUTDOWN – System has been shutdown as a result of either a
Humidity or High Cabinet Temperature alarm
DUTY CYCLE – The percentage of time the compressor is ON versus time it is OFF during the Tank pressurization cycle. TTL TIME – How many hours the compressor has run since startup or the last time the Total Time counter was reset. FLOW – Air Flow Rate
Page 28 of 100 P012253 – Rev. E
PUREGAS, LLC P1500W2 Series Air Dryers User’s Guide
8.5 Identifying Dryer Alarms
8.5.1 High Outlet Pressure Alarm -
Occurs when the Outlet Pressure (OUTP) rises above the alarm set point for more than one (1) minute. (Default setting is 83.0 KPa for Standard models / 51.71 KPa for LP models)
See section 13.5 for troubleshooting information.
8.5.2 Low Outlet Pressure Alarm –
Occurs when the Outlet Pressure (OUTP) drops below the alarm set point for more than one (1) minute. (Default setting is 45.0 KPa for Standard models / 2.07 KPa for LP models)
See section 13.7 for troubleshooting information.
8.5.3 High Humidity Alarm –
Occurs when the Humidity level rises above the alarm set point for more than one (1) minute. (Default setting is 10.0%)
If this alarm is present for one (1) minute or more, the air dryer will go into SHUTDOWN mode to prevent saturated air from being delivered to the supply line.
Page 29 of 100 P012253 – Rev. E
See section 13.9 for troubleshooting information.
PUREGAS, LLC P1500W2 Series Air Dryers User’s Guide
8.5.4 High Cabinet Temperature Alarm -
Occurs when the temperature in the cabinet rises above 49°C for more than ten (10) seconds.
If this alarm is present for three (3) minutes or more, the Comp ressor will SHUTDOWN to protect against damage due to overheating. Once the temperature lowers to 45°C the Compressor will re-start.
See section 13.12 for troubleshooting information.
8.5.5 High Duty Cycle Alarm –
Occurs when the Duty Cycle rises above the alarm set point for more than one (1) minute. (Default setting is 70%)
See section 13.17 for troubleshooting information.
8.5.6 Total Time Alarm –
Occurs when the compressor has reached an 8,000 hour maintenance interval. Perform the required maintenance.
See section 10.3 for maintenance information.
8.5.7 High Flow Rate Alarm –
Occurs when the Flow Rate rises above the alarm set point for more than one (1) minute. (Default setting is 42 SCMD)
Page 30 of 100 P012253 – Rev. E
See section 13.11 for troubleshooting information.
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