Puregas P550W Series User manual

P550W Series Air Dryer
Installation Guide
Before You Begin
Safety & Warning Information
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.
2. Read the entire Installation Guide to familiarize
yourself with the components and procedures
before performing the air dryer installation.
3. Verify the installation location of the air dryer:
• Well ventilated and free from abrasive
dust or chemicals.
• Ambient temperature is between
40° F and 85° F (optimal).
NOTE: Higher temperatures will
decrease component lifespan.
• Meets the following power
requirements:
• 110 - 125 VAC for
P550W, P550WH, and P550WLP.
• 208 - 253 VAC, 1 phase for
P552W, P552WH, and P552WLP.
• All models require 50 / 60 Hz
with minimum 15 amp service
with a 10 amp slow blow fuse.
4. Notify the alarm center of the installation
and potential for alarms during the process (if
applicable).
This guide covers basic air dryer installation and setup only. Once installation is complete, please
refer to the P550W Series User’s Guide for more advanced setup and configuration options.
P012115 - Rev. C
WARNING!
Extreme care should be exercised to
avoid contact with live electrical circuits.
Many procedures performed during
installation 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 and are intended for network
telecommunication facilities (non-
customer premises) only.
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.
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!
This Air Dryer does not contain an
internal Surge Protection Device (SPD).
If an SPD is required it must be supplied
by the user.

(1) Dryer
(1) Installation Guide (not shown)
Package located inside the dryer:
(1) 120 VAC Power Cord (P550W, P550WLP, P550WH)
(1) 220 VAC Power Cord (P552W, P552WLP, P552WH)
(4) Connector, Male 1/4” MPT (P550WH, P552WH)
(1) Precision Bleed Orifice Fitting
(1) User’s Guide (not shown)
(1) Mini CD (not shown)
• Medium adjustable wrench
• Box Cutter
• Cup of soapy water
• 1-inch paint brush (recommended)
Required Tools and Materials
Included Contents Registering Your Dryer
Please take a moment to register your PUREGAS P550W 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:

 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 40° and 85° F (optimal)
 System Pressure is set to 50 PSI.
 Static Pressure is set to 17 PSI.
 No air leaks are present in the system.
 No alarms are present on the Display Panel.
Installation Steps cont.
• Replace and latch the front panel.
22
24 • REGISTER YOUR DRYER.
• Connect alarm hookups (if applicable).
Please refer to the P550W Series User’s
Guide section on Operating Your Dryer.
Specifically, sub-sections:
Connecting to Common Alarm Terminals
Connecting to Power Fail Alarm Terminals
P
P
le
G
23
• Check for air leaks.
CAUTION: DO NOT SOAP TEST THE
HUMIDITY SENSOR FITTING. DAMAGE
TO THE SENSOR MAY OCCUR.
With Compressor NOT RUNNING:
Listen for ‘hissing’ sounds which may indicate a
fitting or hose air leak.
With Compressor RUNNING:
Use a 1-inch brush to dab soapy water on all
air fittings and hose connections.
If air bubbles appear, this is an
indication that air is leaking.
Take steps to seal the leak:
• Tighten the fitting
• Re-connect / tighten the
hose end
• Replace the fitting /
hose / component
CA
21
Installation Checklist
• Check for loose parts, hoses, or wiring.
3
• Open panel latches and remove the front
panel.
2
• Remove the ship-loose contents package.
4
Place the dryer at desired operating
location:
• Set the dryer on a level floor.
• Install the dryer on an equipment rack
using optional Universal Rack Mounting Kit
(P011674).
• Install the dryer on a wall using optional
Wall Mounting Kit (P011773).
7
• Remove the dryer from box and all shipping
materials.
1
For 4-Port Outlet Dryers ONLY:
• Remove the four (4) Outlet Port Plugs.
• Install the four (4) Outlet Port Connectors.
6
Installation Steps
For SINGLE Outlet Dryers ONLY:
• Remove the Plug from the Outlet Port by
pressing the ferrule down and then
pulling the plug upward.
• Install the Plug into the included Precision
Bleed Orifice fitting and then into the
dryer Outlet Port.
5

Set the System Pressure:
With compressor running -
• Pull the Capacity Control Valve knob out.
• Adjust knob until the reading on the
pressure gauge is 50 PSI.
• Push knob in to lock.
12
9
• Connect the included Power Cord to the
dryer.
• Plug the Power Cord into a
1
125 VAC outlet for P550W /
WLP models
OR
• Wire the Power Cord to a 2
0
253 VAC, 1 Phase outlet for
P552W / WH / WLP models
:
• Line – Black (Brown)
• Neutral – White (Blue)
• Ground – Green (Green/
Yellow)
• Let dryer run until Humidit
y
2%.
NOTE: Press the RESET but
t
goes into SHUTDOWN due
t
13
For SINGLE Outlet Dryers ONLY:
• Connect a 3/8” air supply line to the Outlet
Port.
For 4-Port Outlet Dryers ONLY:
• Connect up to four (4) 3/8” air supply lines
to the Outlet Ports.
• Open Outlet Ports as required.
16
OR
Set the Static Pressure:
• Pull the Static Pressure Regulator knob out.
• Adjust knob until the reading on the
pressure gauge is 17 PSI.
• Push knob in to lock.
19
Installation Steps cont.
• Verify that the dryer is powered OFF.
8
• Power the dryer ON.
NOTE: Press the RESET button if the dryer
goes into SHUTDOWN due to Humidity.
10
For P550WH and P552WH ONLY:
• Open the first Outlet Port slightly to create a
small amout of air flow.
11
1
10 -
WH /
0
8 -
:
• Power the dryer OFF.
14
y
drops below
t
on if the dryer
t
o Humidity.
For SINGLE Outlet Dryers ONLY:
• Remove the Precision Bleed Orifice fitting
from the Outlet Port.
NOTE: Save orifice for low flow applications.
15
NOTE - For all Dryers with minimal FLOW:
Install the included Precision Bleed Orifice
fitting to maintain a constant air flow
17
• Power the dryer ON.
18
20
Set the Outlet Pressure:
• Pull the Outlet Pressure Regulator knob out
(or loosen the retaining nut – LP Models).
• Adjust knob until Outlet Pressure (OUTP)
reading is at desired setting.
• Push knob in to lock.
(or tighten the retaining nut – LP Models).