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Document No. 540-219
Rev. 2, January, 1999
Room Pressurization Controller – Pneumatic
Output
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These instructions explain how to field install (pages 1
through 3) or replace (pages 3 through 4) a Room
Pressurization Controller – Pneumatic Output with or
without Autozero Modules.
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540-716
Room Pressurization Controller –
Pneumatic Output
540-717
Room Pressurization Controller –
Pneumatic Output with Autozero
Modules
Shipping carton includes a pre-assembled metal
enclosure with controller board and cover, pneumatic
output modules, Autozero Modules with brackets
(optional), and four self-tapping/drilling screws.
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Equipment damage or loss
of data may occur if the user
does not follow procedure
as specified.
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Electro-Static Discharge (ESD) wrist strap
•
Small flat-blade screwdriver
•
Medium flat-blade screwdriver
•
Medium-duty electric drill
•
1/4 in. (6.35 mm) hex nut bit
•
Portable Operator’s Terminal with Controller
Interface Software Rev. 2.0 or higher (required
for controller replacement only)
Additional tools needed if not using self-tapping
option:
•
1/4 in. (6.35 mm) hex nut driver
•
1/8 in. (3 mm) bit
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•
Room temperature sensor installed (optional)
•
Air velocity sensors installed in ducts
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A source of 24 Vac Class 2 power available
•
Supply power to the unit is OFF
•
An air supply line is available at the controller
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New controller installation
10 Minutes
Replacement (old controller has
removable terminal blocks)
6 Minutes
Replacement (old controller
does not have removable
terminal blocks)
16 Minutes
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E:::: You may require additional time for database
work at the field panel.
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E:::: These steps only refer to new installations.
For replacement instructions, refer to pages 3-4. For
Autozero Module installation, refer to instruction 540-
199.
The following tasks can be performed by the
electrician:
1.
Loosen, but do not remove, the cover screws and
remove the enclosure cover. Using the rear panel
of the enclosure as a template (Figures 1 and 2),
mark the location for the four screw holes where
you will install the enclosure.
2.
Do one
one
one
one of the following:
•
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drill and the hex nut bit, start the screws.
(Screws do not require starter holes.)
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s:::: Drill four
1/8 in. (3 mm) pilot holes for the screws.
Using the hex nut driver, start the screws.
