WT.050.130.000.UA.IM.1108
ACUTEC
™
35 SYSTEM
7
2.2 General
Installation
NOTE: Power supply or Receiver modules may be shipped with pro-
tective transparent plastic covers. These covers should be peeled
off and discarded.
System enclosures, Battery Back-up units, and Sensor/Transmitters are
all designed for surface mounting using screws or bolts inserted through
the recessed mounting holes at each corner of the enclosures. Mounting
hole dimensions are shown on the appropriate diagram. Included with
each system enclosure are mounting hole templates which can be used
to mark hole centers on walls or mounting panels. Mounting recesses
are suitable for #8 machine screws or wood screws.
Refer to paragraph 3.4.1, Sensor Installation, for specific information on
locating gas sensors.
Enclosures are supplied with conduit hubs and seal rings for water-tight
connection of 1/2” NPT threaded conduit. Plastic cable glands may also
be purchased to connect cables without conduit.
Install the 1/2” conduit hubs in any enclosure knockout labeled PG16.
Note that some knockouts have more than one designation, such as
PG11/16. Those with two designations will have concentric circles
for knockouts. The inner circle marks the lower PG number while the
outer circle marks the higher number. Place a thin bladed screwdriver
into the circular slot or the desired knockout size and tap firmly with a
hammer (see Figure 2.1). Place the seal over the hub threads on the
outside of the enclosure and attach the hub with the supplied nut.
Figure 2.1
The Acutec™ unit should not be exposed to direct sunlight. Continuous
ambient temperature should not exceed 105 °F. When this temperature
is likely to be approached, it is recommended that relays be used in the
non-energized mode, and the display be set to normal intensity (Monitor
Units only). See Section 3 for details.
