Puregas P4200W2, P4200W2LP, P4202W2LP, P4202W2, P4202W2H User Manual
P4200W2 Series Air Dryer
P4200W2 P4200W2LP P4202W2 P4202W2LP P4202W2H
User’s Guide
Models covered:
P012308 - Rev. E
PUREGAS, LLC P4200W2 Series Air Dryer User’s Guide
1. Welcome & Congratulations
Congratulations on your purchase of a new PUREGAS P4200W2 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 P4200W2 Series Air Dryer. Models covered
include P4200W2, P4200W2LP, P4202W2, P4202W2H and P4202W2LP. It will cover
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.
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PUREGAS, LLC P4200W2 Series Air Dryer User’s Guide
3. Table of Contents
8.12 Depressurizing the Dryer ........................ 49
1. Welcome & Congratulations .......................... 3
8.13 Connecting to Common Alarm Socket ... 49
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 P4200W2 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
8.14 Setting the System Pressure .................... 50
8.15 Setting the Static Pressure ....................... 51
8.16 Setting the Outlet Pressure ...................... 52
8.17 Connecting via Web Browser ................. 53
8.18 Using the Status Screen .......................... 55
8.19 Using the Setup Screen ........................... 58
8.20 Using the Event Screen ........................... 61
8.21 Using the Alarm Screen .......................... 62
8.22 Using the Firmware Screen ..................... 63
8.23 Connecting via SNMP ............................ 65
9. Testing Your Dryer ....................................... 66
9.1 Safety & Warning Information ................. 66
9.2 Measuring Compressor Amp Draw .......... 67
9.3 Measuring Voltage to Compressor ........... 68
9.4 Measuring Voltage at the Power Line
Filter ............................................................... 69
9.5 Measuring Incoming Voltage ................... 70
9.6 Measuring Voltages at Solid State Relay .. 71
9.7 Testing Consistent Heatless Dryer
7. Registering Your Dryer................................. 23
8. Operating Your Dryer .................................. 24
8.1 Safety & Warning Information ................. 24
8.2 Connecting an Air Line to the Dryer ........ 25
8.3 Powering the Dryer ON & OFF ................ 25
8.4 Using the Front Panel Display .................. 26
8.5 Identifying Dryer Alarms ......................... 29
8.6 Accessing the Setup Menu ........................ 33
8.7 Using the System Setup Menu .................. 34
8.8 Using the Alarm Setup Menu ................... 38
8.9 Using the Network Setup Menu................ 43
8.10 Removing the Front Panel ...................... 48
8.11 Removing the Top Cover ........................ 48
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Cycling............................................................ 73
9.8 Testing Unloader Valve ............................ 74
9.9 Measuring Heatless Dryer Solenoid
Voltage............................................................ 75
9.10 Testing Precooler Fan ............................. 76
9.11 Testing Safety Relief Valve .................... 76
9.12 Testing Compressor ON/OFF Cycling ... 77
9.13 Testing High Duty Cycle Alarm ............. 78
9.14 Testing Humidity Alarm and System
Shutdown ........................................................ 79
9.15 Testing High Outlet Pressure Alarm ....... 81
9.16 Testing Low Outlet Pressure Alarm........ 82
9.17 Testing Air Fittings & Hoses for Leaks .. 84
PUREGAS, LLC P4200W2 Series Air Dryer User’s Guide
10. Maintaining Your Dryer ............................. 85
10.1 Safety & Warning Information ............... 85
10.2 Six Month Maintenance .......................... 87
10.3 8,000 Hour Maintenance ........................ 88
11. Replacement Parts & Accessories .............. 89
11.1 Top Section Parts .................................... 89
11.2 Middle & Lower Section Parts 1 ............ 90
11.3 Middle & Lower Section Parts 2 ............ 91
11.4 Heatless Dryer Assembly Parts............... 92
11.5 Frame Section Parts ................................ 93
11.6 Accessories for Your Dryer .................... 94
11.7 Ordering Parts from PUREGAS ............. 95
12. Service & Repair.......................................... 96
12.1 Services Offered ..................................... 96
12.2 Initiating a Service Transaction .............. 96
13.11 Can’t Create a High Humidity Alarm /
Shutdown ...................................................... 103
13.12 High Cabinet Temperature Alarm....... 103
13.13 Inconsistent Heatless Dryer Cycling ... 104
13.14 Compressor Doesn’t Operate .............. 104
13.15 Compressor Won’t Build Pressure ...... 104
13.16 Compressor Excessive AMP Draw ..... 105
13.17 High Duty Cycle Alarm ...................... 105
13.18 Can’t Create a High Duty Cycle Alarm106
13.19 Compressor Rapid ON/OFF Cycling .. 106
13.20 Contacting PUREGAS Technical
Support.......................................................... 107
14. Appendix .................................................... 108
14.1 Wiring Diagram .................................... 108
14.2 Operational Limits and Defaults ........... 109
14.3 SNMP Parameters ................................. 110
13. Troubleshooting Your Dryer ...................... 97
13.1 Before You Call PUREGAS ................... 97
13.2 Safety & Warning Information ............... 97
13.3 Air Dryer Won’t Power ON.................... 99
13.4 Display Screen Not Functioning ............. 99
13.5 High Outlet Pressure Alarm .................... 99
13.6 Can’t Create a High Pressure Alarm ..... 100
13.7 Low Outlet Pressure Alarm .................. 100
13.8 Can’t Create a Low Pressure Alarm ..... 101
13.9 High Flow Rate Alarm.......................... 101
13.10 High Humidity .................................... 102
15. Limited Warranty Agreement .................. 111
Registration Reminder .................................. 111
16. Contacting PUREGAS .............................. 112
16.1 General .................................................. 112
16.2 Sales ...................................................... 112
16.3 Service .................................................. 112
16.4 Technical Support ................................. 112
17. Notes............................................................ 113
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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!”, “CAUTION!”, or “IMPORTANT!”. Please be sure to pay close
attention for these warnings and read them as you encounter them.
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.
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PUREGAS, LLC P4200W2 Series Air Dryer User’s Guide
your air dryer.
WARNING!
High Noise. PUREGAS air dryers are meant to be installed in an
unattended area.
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 P4200W2 & P4200W2LP
models
• 220 - 230 VAC, 50/60 Hz, 1 Phase for P4202W2,
P4202W2LP & P4202W2H models
IMPORTANT!
Performing routine maintenance as outlined in the Maintaining Your
Dryer section will ensure optimal performance over the lifecycle of
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PUREGAS, LLC P4200W2 Series Air Dryer User’s Guide
AND MAY VOID THE WARRANTY.
IMPORTANT!
Performing procedures not described in this User’s Guide or installing
components not supplied by PUREGAS is NOT RECOMMENDED
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.
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PUREGAS, LLC P4200W2 Series Air Dryer User’s Guide
5. Overview & Specifications
5.1 Product Description
The P4200W2 Series Air Dryer from PUREGAS is 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. This dryer is
designed specifically for indoor use.
The P4200W2 Series Air Dryer employs a fully digital operating platform offering
the most accurate readings of dryer variables, removable access panels allowing
easier access for adjustment and maintenance, and ultra quiet compressors 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
• Pressure Ranges from 35 – 138 KPa or 2 – 69 KPa (LP Models)
• Remote alarm reset capabilities
• SNMP communication compatible
• Remote access through HTML interface
• Oil-less compressor with 8,000 hour maintenance interval
5.3 P4200W2 Series Air Dryer Models
Model Description
P4200W2 110 - 125 VAC, Standard Pressure 35 – 138 KPa
P4200W2LP 110 - 125 VAC , Low Pressure 2 – 69 KPa
P4202W2 220 - 230 VAC , Standard Pressure 35 – 138 KPa
P4202W2LP 220 - 230 VAC , Low Pressure 2 – 69 KPa
P4202W2H 220 - 230 VAC , Standard Pressure 35 – 138 KPa
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PUREGAS, LLC P4200W2 Series Air Dryer User’s Guide
5.4 Technical Specifications
Output
Capacity
Power
Requirements
Running Amps
Outlet Pressure
Range
Outlet Air
Humidity
Compressor
Drying Method
P4200W2 P4200W2LP P4202W2
Normal: 74 SCMD Maximum: 119 SCMD
110 - 125 VAC, 1 Phase,
50 / 60 Hz
8.6 Amps
(15 Amp service
recommended)
35 - 138
KPa
2 – 69
KPa
2-cylinder, 3/4 HP, oil-less type compressor
220 - 230 VAC, 1 Phase,
50 / 60 Hz
3.9 Amps
(15 Amp service
recommended)
35 - 138
KPa
Less than 2% RH
Heatless Desiccant
P4202W2
LP
2 – 69
KPa
P4202W2H
Normal: 90 SCMD
Max: 119 SCMD
220-230 VAC, 1 Phase,
50Hz
4.2 Amps
(15 Amp service
recommended)
35 – 138
KPa
Operating
Temperature
Range
Noise Level:
Heat
Dissipation
Alarms
Monitoring
Outlet
Connections
Dimensions
Net / Shipping
Weight
5° to 30° C (optimal)
63 dBA @ 1m
3,521 BTU / hr 2,924 BTU / hr
Standard alarms – complete readings of all critical measurement points, individual
alarm indication display
Web Browser and SNMP compatible communications via Network IP
1/2” NPT Female
53cm D x 64cm W x 124cm H
100 kgs / 126 kgs
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PUREGAS, LLC P4200W2 Series Air Dryer User’s Guide
5.5 Dryer Function Overview
# Component Description
1 Compressor Compresses drawn in ambient air.
2 Precooler Cools compressed air prior to drying function.
3 Unloader Valve Relieves excess Compressor head pressure.
4 Heatless Dryer Removes moisture from compressed air.
5 Capacity Control Valve Regulates System Pressure at 345 KPa (50 PSI)
and prevents air from bleeding back through the
Heatless Dryer.
6 Air Tank Stores dry compressed air.
7 Static Pressure Regulator Regulates the Static Pressure at 138 KPa (20 PSI)
and maintains constant pressure on the Combo
Block for accurate Flow measuring.
8 Combo Block Measures the Flow of compressed air and houses
the Humitter.
9 Outlet Pressure Regulator Regulates the Outlet Pressure.
10 Pressure Outlet Outputs the pressure set by the Outlet Pressure
Regulator.
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PUREGAS, LLC P4200W2 Series Air Dryer User’s Guide
user.
6. Installing Your Dryer
6.1 Safety & Warning Information
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!
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!
High Noise. Puregas air dryers are meant to be installed in an
unattended area.
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!
This Air Dryer does not contain an internal Surge Protection
Device (SPD). If an SPD is required it must be supplied by the
Page 12 of 113 P012308 - Rev. E
PUREGAS, LLC P4200W2 Series Air Dryer User’s Guide
RECOMMENDED AND MAY VOID THE WARRANTY.
IMPORTANT!
Performing procedures not described in this User’s Guide or
installing components not supplied by PUREGAS is NOT
IMPORTANT!
Installation of PUREGAS air dryers are intended for network
telecommunication facilities (non-customer premises) only.
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:
• 110 - 125 VAC for P4200W2 and P4200W2LP models
• 220 - 230 VAC, 1 Phase for P4202W2, P4202W2LP & P4202W2H models
• All models require 50/60 Hz and minimum 15 amp service with a 10 amp
slow blow fuse
6.2.4 Notify the alarm center of the installation and potential for alarms during
the process (as necessary).
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6.3 Included Contents
(1) P4200W2 Series Air Dryer
Package located inside the dryer:
(2) Alarm Connector
(1) User’s Guide (not
shown)
(1) Mini CD (not shown) (1) Allen Wrench
(1) Purge Muffler (1) Compressor Connector Tool
(1) Power Cord
6.4 Required Tools and Materials
• Large adjustable wrench
• Medium adjustable wrench
• 7/16” wrench
• Band cutters or snips
• Pipe dope or pipe thread tape
• Cup of soapy water
• 1-inch paint brush
(recommended)
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PUREGAS, LLC P4200W2 Series Air Dryer User’s Guide
6.5 Installation Steps
6.5.1 Remove 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 Place the dryer at the
operating location.
6.5.3 Remove the Front Panel.
6.5.4 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.
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6.5.5 Using a 7/16” wrench,
remove the shipping block
from under the Compressor
Plate.
Discard block and bolt.
6.5.6 Remove the ship-loose
contents package.
On BACK of dryer:
6.5.7 Verify that the Red Orifice
Plug is still installed where
shown.
6.5.8 Install the Purge Muffler
(optional).
6.5.9 Verify that the dryer is
powered OFF.
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PUREGAS, LLC P4200W2 Series Air Dryer User’s Guide
6.5.10 Plug the AC Power Cord
into the dryer.
6.5.11 Plug in or wire the Power
Cord to an outlet:
• 110 - 125 VAC power
outlet for P4200W2 and
P4200W2LP model
• 220 – 230 VAC, 1 phase, power outlet for P4202W2, P4202W2LP, and
P4202W2H models.
6.5.12 Power the dryer ON.
NOTE: The Compressor and
Heatless Dryer will start,
creating air flow through the
Red Orifice Plug.
6.5.13 Set the System Pressure:
With Compressor running:
6.5.13.1 Pull the Capacity
Control Valve knob out.
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6.5.13.2 Turn the knob until
the reading on the
Pressure Gauge is 345
KPa (50 PSI).
6.5.13.3 Push the knob in to
lock.
6.5.14 Let the dryer run until the
Humidity drops below 2%
(may take up to 15 minutes).
NOTE: Press RESET if the
dryer goes into
SHUTDOWN.
6.5.15 Power the dryer OFF.
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PUREGAS, LLC P4200W2 Series Air Dryer User’s Guide
6.5.16 Remove the Red Orifice
Plug from the Outlet Pressure
Port.
CAUTION: Be careful when
removing plug. System may be
pressurized.
6.5.17 Connect the air supply line to the Outlet Pressure Port.
PUREGAS recommends using Installation Kit P011752 to connect your air dryer
to the air supply line (See section 11.6 for detail).
6.5.18 Power the dryer ON.
6.5.19 Set the Static Pressure:
6.5.19.1 Pull Static Pressure
Regulator knob out.
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6.5.19.2 Turn knob until the
reading on the Pressure
Gauge is 138 KPa (20
PSI).
6.5.19.3 Push knob in to lock.
6.5.20 Set the Outlet Pressure:
6.5.20.1 Pull the Outlet
Pressure Regulator knob
out or loosen the
retaining nut (LP
models).
6.5.20.2 Turn knob until
Outlet Pressure
(OUTLET) reading is
at the desired setting.
6.5.20.3 Push knob in to lock
or tighten retaining nut
(LP models).
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6.5.21 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:
6.5.21.1 Listen for any ‘hissing’ sounds which may indicate a fitting or hose
air leak.
With Compressor running:
6.5.21.2 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 the hose end
• Replace the fitting / hose / component
6.5.22 Re-install the Front Panel.
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6.5.23 Connect a Common Alarm (as required):
6.5.23.1 Insert the included
Alarm Connector into
either of the two (2)
Alarm Ports.
6.5.23.2 Wire an external
alarm wire pair to the
Alarm Connector as
required:
• Common and N.C. for
OPEN ON ALARM
operation.
• Common and N.O. for CLOSE ON ALARM operation.
6.5.24 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 block removed from Compressor Tray.
System Pressure is set to 345 KPa (50 PSI).
Static Pressure is set to 138 KPa (20 PSI).
No air leaks are present in the system.
No alarms are present on the Display Panel.
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7. Registering Your Dryer
Please take a moment to register your PUREGAS P4200W2 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:
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RECOMMENDED AND MAY VOID THE WARRANTY.
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.
CAUTION!
Observe precautions for handling Electrostatic Sensitive Devices.
IMPORTANT!
Performing procedures not described in this User’s Guide or
installing components not supplied by PUREGAS is NOT
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8.2 Connecting an Air Line to the Dryer
8.2.1 Remove the Red Orifice
Plug from the Outlet Pressure
Port.
CAUTION: Be careful when
removing plug. System may be
pressurized.
8.2.2 Connect the air supply line to the Outlet Pressure Port.
PUREGAS recommends using Installation Kit P011752 to connect your air dryer
to the air supply line (See section 11.6 for detail).
8.3 Powering the Dryer ON & OFF
CAUTION!
Incoming power to dryer must be:
• 15 amp service recommended
• 10 amp slow blow fuse
• 110 - 125 VAC, 50/60 Hz for P4200W2 & P4200W2LP
models
• 220 - 230 VAC, 50/60 Hz, 1 Phase for P4202W2,
P4202W2LP & P4202W2H models
8.3.1 Power Circuit Breaker -
Controls the main power to
the dryer.
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8.4 Using the Front Panel Display
CAUTION!
The Display Screen is covered by a clear protective layer that
guards against Electrostatic Discharge (ESD). DO NOT REMOVE
THIS LAYER.
8.4.1 ALARM LED – Indicates an alarm is present.
8.4.2 RESET Button – Clears an alarm and allows the system to continue
operating.
8.4.3 FUNCTION Button –
• Acts as a HOLD button to freeze the current information screen on
the display. When pressed again, it will allow the information
screens to begin cycling again.
• Acts as an ENTER button in the Setup Menu screens.
8.4.4 Arrow Buttons – Used to access, navigate, and change values in the Setup
Menu screens.
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8.4.5 Display Screen - Shows the current dryer readings. Will cycle between
the following three (3) information screens (unless the HOLD button has
been pressed):
8.4.5.1 Sys Status Screen
SYS STATUS - Running Status of the system:
• ONLINE – System is Online.
• SHUTDOWN – System has been shutdown as a result of either a
High Humidity or High Cabinet Temperature alarm.
CAB TEMP – Temperature of the dryer cabinet compartment.
HUMIDITY – Humidity level of the system.
8.4.5.2 Outlet Screen
OUTLET – Outlet Pressure regulated by the Outlet Pressure Regulator.
FLOW – Air Flow Rate.
TANK – Air Tank Pressure - fluctuates between 172 – 345 KPa.
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8.4.5.3 Compressor Run Time Screen
DUTY CYCLE – The percentage of time the Compressor is ON versus
time it is OFF during the last Air Tank pressurization cycle.
TOTAL – How many hours the Compressor has run since the last
Compressor Total Time Reset.
8.4.5.4 Unit in Standby Screen
Occurs when the dryer is connected to a Cycle Kit and has been switched
to Standby Mode.
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8.5 Identifying Dryer Alarms
8.5.1 High Cabinet Temperature Alarm -
Occurs when the temperature in the dryer cabinet (CAB TEMP) rises above
46°C for more than one (1) minute. If the temperature rises above 50°C for
more than one (1) minute, the air dryer will go into SHUTDOWN mode to
protect against damage due to overheating.
This screen will be displayed,
showing the Date and Time that
the alarm occurred.
8.5.1.1 Press the Info () Button
to see the detail of the
alarm.
See section 13.12 for troubleshooting information.
8.5.2 High Humidity Alarm –
Occurs when the Humidity level (HUMIDITY) rises above the alarm
threshold for more than one (1) minute. The air dryer will go into
SHUTDOWN mode to prevent saturated air from being delivered to the
supply line. (Default setting is 10%)
This screen will be displayed,
showing the Date and Time that
the alarm occurred.
8.5.2.1 Press the Info () Button
to see the detail of the
alarm.
See section 13.10 for troubleshooting information.
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PUREGAS, LLC P4200W2 Series Air Dryer User’s Guide
8.5.3 Low Outlet Pressure Alarm –
Occurs when the Outlet Pressure (OUTLET) drops below the alarm
threshold for more than one (1) minute. (Default setting is 2.0 KPa)
This screen will be displayed,
showing the Date and Time that
the alarm occurred.
8.5.3.1 Press the Info () Button
to see the detail of the
alarm.
See section 13.7 for troubleshooting information.
8.5.4 High Outlet Pressure Alarm -
Occurs when the Outlet Pressure (OUTLET) rises above the alarm threshold
for more than one (1) minute. (Default setting is 138.0 KPa)
This screen will be displayed,
showing the Date and Time that
the alarm occurred.
8.5.4.1 Press the Info () Button
to see the detail of the
alarm.
See section 13.5 for troubleshooting information.
Page 30 of 113 P012308 - Rev. E
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