Puregas P10KW User manual

P011250 – Rev. P
P10KW / P15KW Air Dryer
User’s Guide

PUREGAS, LLC P10KW / P15KW Air Dryer User’s Guide
Page 3 of 95 P011250 – Rev. P
1. Welcome & Congratulations
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.

PUREGAS, LLC P10KW / P15KW Air Dryer User’s Guide
Page 4 of 95 P011250 – Rev. P
3. Table of Contents
1. Welcome & Congratulations .......................... 3
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 Dryer Function Overview......................... 10
5.4 Technical Specifications........................... 12
6. Installing Your Dryer.................................... 13
6.1 Safety & Warning Information................. 13
6.2 Before You Begin..................................... 15
6.3 Included Contents..................................... 16
6.4 Required Tools and Materials................... 16
6.5 Installation Steps....................................... 17
6.6 Installation Checklist ................................ 28
7. Registering Your Dryer................................. 29
8. Operating Your Dryer .................................. 30
8.1 Safety & Warning Information................. 30
8.2 Connecting Air Lines to the Dryer ........... 31
8.3 Powering the Dryer ON & OFF................ 31
8.4 Using the Front Panel Display.................. 32
8.5 Identifying Dryer Alarms ......................... 34
8.6 Adjusting & Resetting Dryer Set Points... 37
8.7 Opening Panels......................................... 42
8.8 Connecting to Common Alarm Terminals 42
8.9 Connecting to Discrete Alarm Terminals . 43
8.10 Depressurizing the Dryer........................ 43
8.11 Setting the System Pressure.................... 44
8.12 Setting the Static Pressure ...................... 46
8.13 Setting the Outlet Pressure...................... 47
9. Testing Your Dryer ....................................... 48
9.1 Safety & Warning Information................. 48
9.2 Measuring Compressor Amp Draw .......... 50
9.3 Measuring Voltage to Compressor ........... 51
9.4 Measuring Incoming Voltage ................... 52
9.5 Testing High Outlet Pressure Alarm......... 53
9.6 Testing Low Outlet Pressure Alarm.......... 54
9.7 Testing Low System Pressure Alarm........ 55
9.8 Testing Consistent Heatless Dryer
Cycling............................................................ 56
9.9 Measuring Heatless Dryer Solenoid
Voltage............................................................ 57
9.10 Testing Precooler Fan............................. 58
9.11 Testing Low Water Sensor Function &
System Shutdown ........................................... 59
9.12 Testing Dump Water Sensor Function.... 60
9.13 Testing High Water Sensor Function...... 61
9.14 Testing Water Dump Solenoid Valve..... 63
9.15 Testing Humidity Alarm and System
Shutdown........................................................ 65
9.16 Testing Fittings & Hoses for Leaks ........ 68
10. Maintaining Your Dryer............................. 69
10.1 Safety & Warning Information ............... 69
10.2 Six Month Maintenance.......................... 71
11. Replacement Parts & Accessories .............. 72
11.1 Top Section Parts.................................... 72
11.2 Middle Section Parts............................... 73
11.3 Heatless Dryer Assembly Parts............... 74
11.4 Lower Section Parts................................ 75
11.5 Frame Section Parts ................................ 76
11.6 Accessories for Your Dryer .................... 77
11.7 Ordering Parts from PUREGAS ............. 77

PUREGAS, LLC P10KW / P15KW Air Dryer User’s Guide
Page 5 of 95 P011250 – Rev. P
12. Service & Repair.......................................... 78
12.1 Services Offered ..................................... 78
12.2 Initiating a Service Transaction.............. 78
13. Troubleshooting Your Dryer...................... 79
13.1 Before You Call PUREGAS................... 79
13.2 Safety & Warning Information............... 79
13.3 Air Dryer Won’t Power ON.................... 81
13.4 Display Screen Not Functioning............. 81
13.5 Low System Pressure Alarm .................. 81
13.6 Can’t Create a Low System Pressure
Alarm.............................................................. 82
13.7 High Outlet Pressure Alarm.................... 82
13.8 Can’t Create a High Pressure Alarm....... 83
13.9 Low Outlet Pressure Alarm .................... 83
13.10 Can’t Create a Low Pressure Alarm ..... 84
13.11 High Flow Rate Alarm.......................... 84
13.12 High Humidity...................................... 85
13.13 Can’t Create a High Humidity Alarm /
Shutdown........................................................ 86
13.14 High Outlet Temperature Alarm........... 86
13.15 Low Water Alarm................................. 87
13.16 Can’t Create a Low Water Alarm......... 87
13.17 High Water Alarm ................................ 88
13.18 Can’t Create a High Water Alarm ........ 88
13.19 High Water Temperature Alarm........... 88
13.20 Compressor Doesn’t Operate................ 89
13.21 Unit Trips Breaker ................................ 89
13.22 Inconsistent Heatless Dryer Cycling..... 89
13.23 Contacting PUREGAS Technical
Support............................................................ 90
14. Appendix ...................................................... 91
14.1 Wiring Diagram...................................... 91
14.2 Set Point Limits and Defaults ................. 92
15. Limited Warranty Agreement.................... 93
Registration Reminder.................................... 93
16. Contacting PUREGAS ................................ 94
16.1 General.................................................... 94
16.2 Sales........................................................ 94
16.3 Service .................................................... 94
16.4 Technical Support................................... 94
17. Notes.............................................................. 95

PUREGAS, LLC P10KW / P15KW Air Dryer User’s Guide
Page 6 of 95 P011250 – Rev. P
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.

PUREGAS, LLC P10KW / P15KW Air Dryer User’s Guide
Page 7 of 95 P011250 – Rev. P
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
used
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 user.
WARNING!
High Noise. PUREGAS air dryers are meant to be installed in an
unattended area.

PUREGAS, LLC P10KW / P15KW Air Dryer User’s Guide
Page 8 of 95 P011250 – Rev. P
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.
IMPORTANT!
Performing routine maintenance as outlined in the Maintaining Your
Dryer section will ensure optimal performance over the lifecycle of
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.
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.
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 P10KW / P15KW Air Dryer User’s Guide
Page 9 of 95 P011250 – Rev. P
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, on-
demand 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

PUREGAS, LLC P10KW / P15KW Air Dryer User’s Guide
Page 10 of 95 P011250 – Rev. P
5.3 Dryer Function Overview

PUREGAS, LLC P10KW / P15KW Air Dryer User’s Guide
Page 11 of 95 P011250 – Rev. P
# 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 Regulates the outlet pressure.
18 Pressure Outlet Outputs the air at the pressure set by the
Adjustable Pressure Regulator.

PUREGAS, LLC P10KW / P15KW Air Dryer User’s Guide
Page 12 of 95 P011250 – Rev. P
5.4 Technical Specifications
P10KW P15KW
Output Capacity 10,000 SCFD 15,000 SCFD
Power Requirements 208 - 230 VAC, 1 Phase, 60
Hz 208 - 230 VAC, 3 Phase, 60 Hz
Electrical Characteristics
(20 Amp service
recommended) Running Amps: 11.5 Running Amps: 10.5
Outlet Pressure Range Variable Pressure Outlet: 0 – 15 PSI (adjustable)
Static Pressure Outlet: 17 PSI
Outlet Air Humidity Less than 2% RH
Compressor Type Water sealed, 2 HP, 1 Phase Water sealed, 3 HP, 3 Phase
Drying Method Heat-less Desiccant
Operating Temperature
Range 40°to 85°F (5°to 30°C) optimal
Noise Level 86.6 dBA
Heat Dissipation 7,150 BTU/hr 9,510 BTU/hr
Alarms Standard alarms – complete readings of all critical
measurement points, individual alarm indication display
Outlet Connections Variable Pressure Outlet: 3/4” NPT Female
Static Pressure Outlet: 3/4” NPT Female
Dimensions 24” D x 28” W x 51.25” H
(61 cm x 71.1 cm x 130 cm)
Net / Shipping Weight 355 lbs. (161 kgs) / 409 lbs. (185.5 kgs)

PUREGAS, LLC P10KW / P15KW Air Dryer User’s Guide
Page 13 of 95 P011250 – Rev. P
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.
WARNING!
High Noise. Puregas air dryers are meant to be installed in an
unattended area.

PUREGAS, LLC P10KW / P15KW Air Dryer User’s Guide
Page 14 of 95 P011250 – Rev. P
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.
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
IMPORTANT!
Installation of PUREGAS air dryers are intended for network
telecommunication facilities (non-customer premises) only.
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.
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.

PUREGAS, LLC P10KW / P15KW Air Dryer User’s Guide
Page 15 of 95 P011250 – Rev. P
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).

PUREGAS, LLC P10KW / P15KW Air Dryer User’s Guide
Page 16 of 95 P011250 – Rev. P
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)

PUREGAS, LLC P10KW / P15KW Air Dryer User’s Guide
Page 17 of 95 P011250 – Rev. P
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.

PUREGAS, LLC P10KW / P15KW Air Dryer User’s Guide
Page 18 of 95 P011250 – Rev. P
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.

PUREGAS, LLC P10KW / P15KW Air Dryer User’s Guide
Page 19 of 95 P011250 – Rev. P
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.

PUREGAS, LLC P10KW / P15KW Air Dryer User’s Guide
Page 20 of 95 P011250 – Rev. P
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.