Page 7 - F14-BPS-YZ104-Installation-Manual

P. 7

Mounting Set Up

Unit Mounting Instructions Unit Tubing Instructions

1. Carefully read “Protected Enclosure Criteria” on page 3 1. Carefully read “Protected Enclosure Criteria” on page 3
and “Enclosure Connection Requirements” on page 4 and “Enclosure Connection Requirements” on page 4
before proceeding. before proceeding.
2. Determine the Mounting configuration for the purge unit. 2. The following instructions are for Units mounted external
See “Typical Mounting Configurations.” to the Protected Enclosure. Consult factory for units
3. Firmly secure the unit mounting flange, if utilized, to the which are mounted inside or through the face of the
unit face plate using the hardware provided. Protected Enclosure.
4. Drill and ream four mounting holes in the protected 3. Connect 1” Protective Gas Supply Header to Unit Supply
enclosure. (see page 6 for unit mounting flange Connection using 1/2” .035 welded or seamless wall
dimensions and unit layout) stainless steel, fully reamed tubing. Protective Gas
5. Based on “Enclosure Connection Requirements” on page Supply tubing should not exceed 15 feet length and 5
4, drill and ream a 49/64” hole in protected enclosure, bends.
install 1/2” Enclosure Supply Bulkhead fitting. NOTE: 4. Connect Unit Enclosure Supply Connection to the
Protected Enclosure Supply should be installed at Enclosure Supply bulkhead fitting using 1/2” .035 welded
extreme opposite corner from part # PV-4 Purge Vent or seamless wall stainless steel, fully reamed tubing.
and 8” from the Enclosure Reference Connection. Enclosure Supply tubing should not exceed 5 feet in
6. Next, drill and ream a 29/64” hole in protected enclosure, length and 5 bends.
install 1/4” Enclosure Reference Bulkhead fitting. NOTE: 5. MULTIPLE ENCLOSURE CONNECTIONS ONLY.
Protected Enclosure Reference should be installed at Connect Multiple Enclosure Protective Gas Supply Piping
least 8” from the Enclosure Supply Connection. (1 1/2” rigid pipe, fully reamed) from Protected Enclosure
7. Install PV-4 Purge Vent at extreme opposite corner from #1 to Protected Enclosure #2. Repeat procedure for
the Enclosure Supply Connection. (WARNING: The PV-4 connection between Protected Enclosure #2 and #3.
Purge Vent is gravity operated and MUST be mounted Protective Gas Supply piping should not exceed 10 feet
in a true vertical position.) length and 5 bends between each enclosure.
8. Install the PV-4 Purge Vent Mounting Hub through a 2” 6. Connect Unit Enclosure Reference Connection to the
hole on the Protected Enclosure. Enclosure Reference bulkhead fitting using 1/4” .035
9. Secure the Purge Vent from inside the Protected welded or seamless wall stainless steel, fully reamed
tubing. Enclosure Reference tubing should not exceed
Enclosure using the Purge Vent Mounting Nut. 20 feet length and 5 bends.
10. Secure Purge Unit Mounting Flange to protected
enclosure using hardware provided.

Typical Mounting Configurations

Left Mount Top Mount Bottom Mount Frame/Panel Mount Right Mount

Enclosure Warning Label(s)

Enclosure Warning Label (EWL) MUST be permanently affixed on or near all protected enclosure doors, entries and openings.
WARNING - PRESSURIZED ENCLOSURE WARNING NOTICE
ENCLOSURE SHALL NOT BE OPENED UNLESS AREA IS KNOWN TO BE FREE THIS ENCLOSURE CONTAINS HOT COMPONENTS
OF FLAMMABLE MATERIALS OR UNLESS A LL DEVICES HAVE BEEN
DE-ENERGIZED. P OWER SHALL NOT BE RESTORED A FTER ENCLOSURE ENCLOSURE SHALL NOT BE OPENED UNLESS AREA IS KNOWN TO BE FREE
HAS BEEN O PENED UNTIL C OMBUSTIBLE DUSTS HAVE BEEN REMOVED OF FLAMMABLE MATERIALS OR UNLESS A LL DEVICES HAVE BEEN
AND ENCLOSURE HAS BEEN PURGED AND PRESSURIZED IN ACCORDANCE DE-ENERGIZED FOR THE TIME SPECIFIED BELOW.
WITH THE UNIT START UP INSTRUCTIONS. MINIMUM COOLONG TIME:
BEST PURGING SYSTEMS CORPORATION WWW.PURGEIT.COM LA MARQUE, TEXAS USA
AREA CLASSIFICATION PRESSURIZATION TYPE TEMPERATURE CODE
BEST PURGING SYSTEMS CORPORATION WWW.PURGEIT.COM LA MARQUE, TEXAS USA

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