Congratulations on your purchase of a new PUREGAS P10KW / P15KW 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 P10KW / P15KW Air Dryer. 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 P10KW / P15KW Air Dryer User’s Guide
3. Table of Contents
8.13 Setting the Outlet Pressure ...................... 47
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.
Page 6 of 95 P011250 – Rev. P
PUREGAS, LLC P10KW / P15KW Air Dryer User’s Guide
used
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 Air Dryer must be:
• 30 amp service recommended
• 20 amp slow blow fuse
• 208 - 230 VAC, 1 Phase for P10KW model
• 208 - 230 VAC, 3 Phase for P15KW model
• If hard-wiring directly, minimum of 12 AWG wire must be
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.
Page 7 of 95 P011250 – Rev. P
PUREGAS, LLC P10KW / P15KW Air Dryer User’s Guide
AND MAY VOID THE WARRANTY.
your air dryer.
CAUTION!
DO NOT USE DISTILLED OR DE-IONIZED WATER IN THIS
UNIT. It will cause damage to the compressor and other major components over time. This unit is designed for clean tap water only.
CAUTION!
Observe precautions for handling Electrostatic Sensitive Devices.
IMPORTANT!
Performing routine maintenance as outlined in the Maintaining Your
Dryer section will ensure optimal performance over the lifecycle of
IMPORTANT!
Performing procedures not described in this User’s Guide or installing
components not supplied by PUREGAS is NOT RECOMMENDED
IMPORTANT!
If installing more than one air dryer in the same location, use individual
drain tubing. If plumbed together, damage to the air dryers may occur.
IMPORTANT!
Installation of PUREGAS air dryers are intended for network
telecommunication facilities (non-customer premises) only.
Page 8 of 95 P011250 – Rev. P
PUREGAS, LLC P10KW / P15KW Air Dryer User’s Guide
5. Overview & Specifications
5.1 Product Description
The P10KW / P15KW 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 P10KW / P15KW 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, heatless desiccant air drying process,
and a single water sealed air compressor.
5.2 Key Features
• Real-time monitoring of over 15 points
• Open design for easy maintenance
• Remote alarm reset capabilities
• LCD display of operating parameters
• Solid state microprocessor-based circuitry
• Accurate humidity sensing within ±0.1% RH
• Single water sealed compressor
• Dual pressure outlets
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PUREGAS, LLC P10KW / P15KW Air Dryer User’s Guide
5.3 Dryer Function Overview
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PUREGAS, LLC P10KW / P15KW Air Dryer User’s Guide
# Component Description
1 Inlet Manifold Draws in ambient and purged air.
2 Check Valve Prevents the return of air or water from the
compressor.
3 Compressor Creates compressed air.
4 Water Separator Separates water from compressed air.
5 Precooler Cools water from the compressor.
6 Water Filter Filters water.
7 Dump Valve Dumps excessive water from the water separator.
8 Drain Outlet Outputs the water released by the dump valve.
9 Heatless Dryer Removes moisture from compressed air.
10 Purge Valves Returns moisture from the towers to the inlet
manifold.
11 Back Pressure Valve Maintains operating pressure and prevents
overflowing of the air dryer.
12 Bypass Valve Relieves system pressure to prevent over-
pressurizing the system.
13 Bypass Outlet Outputs the excess air regulated by the Bypass
Valve
14 Static Pressure Regulator Regulates the static pressure (17 PSI).
Maintains constant pressure on the combo block
for accurate flow measuring.
15 Combo Block Measures the flow of compressed air, houses the
humitter and outlet temperature probe.
16 Static Pressure Outlet Outputs the air at the pressure set by the Static
Pressure Regulator (17 PSI).
17 Adjustable Pressure
Regulator
18 Pressure Outlet Outputs the air at the pressure set by the
Regulates the outlet pressure.
Adjustable Pressure Regulator.
Page 11 of 95 P011250 – Rev. P
PUREGAS, LLC P10KW / P15KW Air Dryer User’s Guide
5.4 Technical Specifications
P10KW P15KW
Output Capacity
Power Requirements
Electrical Characteristics
(20 Amp service
recommended)
Outlet Pressure Range
Outlet Air Humidity
Compressor Type
Drying Method
Operating Temperature
Range
10,000 SCFD 15,000 SCFD
208 - 230 VAC, 1 Phase, 60
Hz
Running Amps: 11.5 Running Amps: 10.5
Variable Pressure Outlet: 0 – 15 PSI (adjustable)
Static Pressure Outlet: 17 PSI
Less than 2% RH
Water sealed, 2 HP, 1 Phase Water sealed, 3 HP, 3 Phase
Heat-less Desiccant
40° to 85°F (5° to 30°C) optimal
208 - 230 VAC, 3 Phase, 60
Hz
Noise Level
Heat Dissipation
Alarms
Outlet Connections
Dimensions
Net / Shipping Weight
86.6 dBA
7,150 BTU/hr 9,510 BTU/hr
Standard alarms – complete readings of all critical
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.
Page 13 of 95 P011250 – Rev. P
PUREGAS, LLC P10KW / P15KW Air Dryer User’s Guide
RECOMMENDED AND MAY VOID THE WARRANTY.
user.
dryers may occur.
CAUTION!
Incoming power to Air Dryer must be:
• 30 amp service recommended
• 20 amp slow blow fuse
• 208 - 230 VAC, 1 Phase for P10KW model
• 208 - 230 VAC, 3 Phase for P15KW model
• If hard-wiring directly, minimum of 12 AWG wire must
be used
CAUTION!
This Air Dryer does not contain an internal Surge Protection
Device (SPD). If an SPD is required it must be supplied by the
IMPORTANT!
Installation of PUREGAS air dryers are intended for network
telecommunication facilities (non-customer premises) only.
IMPORTANT!
If installing more than one air dryer in the same location, use
individual drain tubing. If plumbed together, damage to the air
IMPORTANT!
Performing procedures not described in this User’s Guide or
installing components not supplied by PUREGAS is NOT
Page 14 of 95 P011250 – Rev. P
PUREGAS, LLC P10KW / P15KW Air Dryer User’s Guide
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 Unobstructed drain or bucket for water dump.
6.2.3.3 Ambient temperature is between 40° and 85° F (optimum).
NOTE: Higher temperatures will decrease component lifespan.
6.2.3.4 Meets the following power requirements:
• 208 – 230 VAC, 1 Phase for P10KW
• 208 - 230 VAC, 3 Phase for P15KW
• Minimum 30 amp service with a 20 amp slow blow fuse
• If hard-wiring directly, minimum of 12 AWG wire must be used
6.2.4 Notify the alarm center of the installation and potential for alarms during
the process (as necessary).
Page 15 of 95 P011250 – Rev. P
PUREGAS, LLC P10KW / P15KW Air Dryer User’s Guide
6.3 Included Contents
(1) P10KW / P15KW Air Dryer
(1) Installation Guide (not shown)
Package located inside the dryer:
(1) User’s Guide -
Paper copy or digital file
on CD (not shown)
(1) 10’ – 3/8” Tubing (1) Water Sensor
(1) Purge Muffler (1) Compressor Connector Tool
6.4 Required Tools and Materials
• Large adjustable wrench
• Medium adjustable wrench
• 7/16” wrench
• Band cutters or snips
• 1+ gallon of clean tap water
(DO NOT USE
DISTILLED WATER)
• Small funnel
• 20 amp 250 VAC plug
(recommended)
• Pipe dope or pipe thread tape
• Cup of soapy water
• 1-inch paint brush
(recommended)
Page 16 of 95 P011250 – Rev. P
PUREGAS, LLC P10KW / P15KW 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.
Page 17 of 95 P011250 – Rev. P
PUREGAS, LLC P10KW / P15KW Air Dryer User’s Guide
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 black orifice
plug is still installed where
shown.
6.5.8 Install the purge muffler
(optional).
6.5.9 Install 3/8” drain tubing and
route to an unobstructed drain
or bucket.
Page 18 of 95 P011250 – Rev. P
PUREGAS, LLC P10KW / P15KW Air Dryer User’s Guide
6.5.10 Verify that the dryer is
powered OFF.
6.5.11 Wire directly or plug the
power cord into a power
outlet:
• 208 - 230 VAC, 1 phase
for the P10KW
• 208 - 230 VAC, 3 phase
for the P15KW
NOTE: PUREGAS recommends using a 20 amp 250 VAC plug. (not provided)
6.5.12 Prime the compressor:
CAUTION: The following steps must be performed to avoid damage to the
compressor.
6.5.12.1 Using a 9/16”
wrench disconnect tube
from water filter.
6.5.12.2 Using a funnel (not
provided), slowly pour
water into the tube.
6.5.12.3 Add water until tube is full.
Page 19 of 95 P011250 – Rev. P
PUREGAS, LLC P10KW / P15KW Air Dryer User’s Guide
6.5.12.4 Reinstall the tubing
to the water filter.
6.5.13 Press down on the quick
disconnect fitting collar to
remove the inlet manifold
assembly.
Set the inlet manifold
assembly to the side.
6.5.14 Power the dryer ON.
Page 20 of 95 P011250 – Rev. P
PUREGAS, LLC P10KW / P15KW Air Dryer User’s Guide
6.5.15 Slowly add approximately
half a gallon of water.
NOTE: If water is NOT being drawn into the compressor move to the next step.
If the water IS being drawn into the compressor move to step 6.5.17
6.5.16 Interchange the compressor wires. (Skip these steps if water is being
drawn into the compressor)
6.5.16.1 Power the dryer OFF. (section 6.5.10 )
6.5.16.2 Use the Compressor
Connector Tool to
remove the Red & Black
wires from the dryer
side connector.
6.5.16.3 Switch the Red &
Black wires and reinsert.
6.5.16.4 Power the dryer ON. (section 6.5.14 )
Page 21 of 95 P011250 – Rev. P
PUREGAS, LLC P10KW / P15KW Air Dryer User’s Guide
6.5.17 Continue adding water
until the water level stabilizes
below the middle water
sensor.
6.5.18 Reinstall the inlet
manifold assembly by
pressing down on the quick
disconnect fitting collar and
inserting male coupling
fitting.
6.5.19 Let the dryer run until the
Humidity drops under 2%
(may take up to 15 minutes).
NOTE: Press RESET if the
System goes into
SHUTDOWN.
6.5.20 Power the dryer OFF.
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PUREGAS, LLC P10KW / P15KW Air Dryer User’s Guide
ELEVATION ABOVE SEA
6.5.21 Connect the air supply
line(s) to the dryer Outlet
Pressure and/or Static
Pressure port(s).
CAUTION: Be careful when removing outlet plug(s). System may be
pressurized.
PUREGAS recommends using Installation Kit P011890 to connect your air dryer
to the air supply line (See section 11.6 for detail).
6.5.22 Power the dryer ON.
6.5.23 Set the System Pressure According to Elevation Chart Below:
SYSTEM PRESSURE AT VARIOUS ALTITUDES
0 2000 40006000 8000 1000012000
LEVEL(ft.)
BACK PRESSURE
REGULATOR SETTING
BYPASS RELIEF VALVE
SETTING
25242322212019
26252423222120
Page 23 of 95 P011250 – Rev. P
PUREGAS, LLC P10KW / P15KW Air Dryer User’s Guide
6.5.23.1 When the Unit
Screen (8.4.4.1 )
appears on the display,
press the HOLD Button
on the Front Panel to
freeze that screen.
6.5.23.2 Unlock the knob on
the Bypass and Back
Pressure Valves by
loosening the retaining
nuts.
6.5.23.3 Turn the Bypass
Valve Clockwise until it
is completely closed.
6.5.23.4 Push the Back
Pressure Tube in and
hold the green ferrule.
While holding the
ferrule pull the tube out.
Page 24 of 95 P011250 – Rev. P
PUREGAS, LLC P10KW / P15KW Air Dryer User’s Guide
6.5.23.5 Adjust Back
Pressure Valve until the
SYSP reading on the
Front Panel Display is
correct according to
your elevation. (see
chart 6.5.23 )
6.5.23.6 Reinstall Back
Pressure Tube.
6.5.23.7 Open the Bypass
Valve until the SYSP
reading on the Front
Panel Display is correct
according to your
elevation. (see chart
6.5.23 )
6.5.23.8 Lock retaining nuts
on the Bypass and Back
Pressure Valves.
Page 25 of 95 P011250 – Rev. P
PUREGAS, LLC P10KW / P15KW Air Dryer User’s Guide
6.5.24 Set the Static Pressure:
6.5.24.1 Pull the Static
Pressure Regulator knob
out.
6.5.24.2 Turn the knob until
the reading on the
pressure gauge is 17
PSI.
6.5.24.3 Push knob in to lock.
6.5.25 Set the Outlet Pressure:
6.5.25.1 When the Unit
Screen (8.4.4.1 )
appears on the display,
press the HOLD Button
on the Front Panel to
freeze that screen.
6.5.25.2 Pull the Outlet
Pressure Regulator knob
out.
6.5.25.3 Turn knob until
Outlet Pressure (OUTP)
reading is at the desired
setting.
6.5.25.4 Push knob in to lock.
Page 26 of 95 P011250 – Rev. P
PUREGAS, LLC P10KW / P15KW Air Dryer User’s Guide
6.5.26 Check for 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 HUMITTER
FITTING. DAMAGE TO THE HUMITTER MAY OCCUR.
6.5.26.1 Visually inspect for water leaks.
6.5.26.2 Listen for any ‘hissing’ sounds which may indicate a fitting or hose
air leak.
6.5.26.3 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
Page 27 of 95 P011250 – Rev. P
PUREGAS, LLC P10KW / P15KW Air Dryer User’s Guide
6.5.27 Re-install the front panel.
6.5.28 REGISTER YOUR DRYER. See section 7. for details.
6.6 Installation Checklist
No shipping damage was detected.
Dryer location meets the following requirements:
oWell ventilated
oFree from abrasive dust or chemicals
oUnobstructed drain for water dump
oAmbient temperature is between 40° and 85° F (optimum)
Shipping block removed from compressor trays.
System Pressures are set to according to your elevation.
Static Pressure is set to 17 PSI.
No leaks are present in the system.
No alarms are present on the Display Panel.
Page 28 of 95 P011250 – Rev. P
PUREGAS, LLC P10KW / P15KW Air Dryer User’s Guide
7. Registering Your Dryer
Please take a moment to register your PUREGAS P10KW / P15KW 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 #: P10KW / P15KWSerial #:
Company Name: Location Name:
Shipping Address:
City: State: Zip Code:
Contact Name: Phone #: ( ) - ext.
Email:
Page 29 of 95 P011250 – Rev. P
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