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P20KW / P30KW 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  fi le  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.

 

•  Unobstructed drain or bucket for

 

   water dump.

 

•  Ambient temperature is between

 

   40° F and 85° F (optimal).  

NOTE:

 Higher temperatures will

 

   decrease component lifespan.

 

•  Meets the following power

 

   requirements:

 

     •  208 - 230 VAC, 1 Phase for P20KW

 

     •  208 - 230 VAC, 3 phase for P30KW

 

     •  Minimum 30 amp service with a

 

 

20 amp slow blow fuse

 

     •  If hard-wiring directly, minimum of

 

 

10 AWG wire must be used.

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 P20KW / P30KW User’s Guide for more advanced setup and confi guration options. 

P012165 - Rev. D

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.

Summary of Contents for P20KW

Page 1: ... alarms during the process if applicable This guide covers basic air dryer installation and setup only Once installation is complete please refer to the P20KW P30KW User s Guide for more advanced setup and configuration options P012165 Rev D WARNING Extreme care should be exercised to avoid contact with live electrical circuits Many procedures performed duringinstallationofthisairdryerrequire the e...

Page 2: ...d Contents Installation Steps Remove all shipping materials Place the dryer at the operating location 1 Remove the shipping blocks Using a 1 2 wrench loosen the nuts on the RRU Compressor Remove and discard the shipping blocks from under the RRU Compressor Retighten the RRU Compressor nuts Using a 7 16 wrench remove bolt and block from under the compressor plate Discard block and bolt 5 Remove the...

Page 3: ...mulator correctly Slowly pour water into the Accumulator until water comes out of the Compressor Petcock 12 Remove the screwdriver from the Accumulator 17 Power the dryer ON momentarily and then power OFF Verify that water is being drawn into the Accumulator 13 NOTE If water IS being drawn into the Accumulator Skip to Step 15 If water IS NOT being drawn into the Accumulator Continue to the Next St...

Page 4: ...STER YOUR DRYER Connect alarm hookups if applicable Please refer to the P20KW P30KW User s Guide section on Operating Your Dryer Specifically sub sections Connecting to Common Alarm Terminals Rewiring the Common Alarm Socket 28 Unlock the knob on the System Pressure Regulator by loosening the retaining nut with a 1 2 wrench Adjust the System Pressure Regulator until the SYSP reading on the Front Pa...

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