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Installation - Electrical
NOTICE
Use Copper Conductors Only!
Failure to use copper conductors could result in
equipment damage as the equipment was not
designed or qualified to accept other types of
conductors.
Note: For additional information regarding the safe
discharge of capacitors, see PROD-SVB06
All sensor options ship in the main control panel and are
field installed. Programmable option installation
procedures.
Mounting Location
Mount the sensor on the wall in an area with good air
circulation at an average temperature. Avoid mounting
space temperature sensor is areas subject to the following
conditions:
•
Drafts or "dead" spots behind doors or in corners
•
Hot or cold air from ducts
•
Radiant heat from the sun or appliances
•
Concealed pipes and chimneys
•
Unheated or non-cooled surfaces behind the sensor,
such as outside walls
•
Airflows from adjacent zones or other units To mount
the sensors, remove the dust cover and
To mount the sensors, remove the dust cover and mount
the base on a flat surface or 2" x 4" junction box. Sensors
ship with mounting screws.
Mounting the Subbase
Remove the zone sensor cover from subbase, and mount
subbase on the wall or on a 2 x 4 junction box. Route wires
through the wire access hole in the subbase. See
Figure 36, p.
42. Seal the hole in the wall behind the
subbase.
Notes:
•
Guidelines for wire sizes and lengths are shown in
Table 22, p.
42. The total resistance of these low
voltage wires must not exceed 2.5 ohms per
conductor. Any resistance greater than 2.5 ohms may
cause the control to malfunction due to excessive
voltage drop.
•
Do not run low-voltage control wiring in same conduit
with high-voltage power wiring.
Wiring
1. Run wires between the unit control panel and the zone
sensor subbase. To determine the number of wires
required, refer to the unit wiring diagrams.
2. Connect the wiring to the appropriate terminals at the
unit control panel and at the zone sensor subbase. In
general, zone sensor connections to the unit use the
42
convention of connecting zone sensor terminals to like
numbered unit terminals (1 to 1, 2 to 2, etc.).The
connection detail is shown on the unit wiring
diagrams, which are located in the unit control panel.
3. Replace the zone sensor cover back on the subbase and
snap securely into place.
Standard Remote Sensor (BAYSENS077)
When using the remote sensor, BAYSENS077, mount it in
the space that is to be controlled. Wire according to the
interconnecting wiring diagrams on the unit.
Table 22. Zone sensor maximum lengths and wire size
Distance from Unit to
Controller
0-150 feet
151-240 feet
241-385 feet
386-610 feet
611-970 feet
Figure 36. Typical zone sensor installation
Mounting to Junction Box
Junction
Recommended Wiring Size
22 gauge
20 gauge
18 gauge
16 gauge
14 gauge
Mounting Directly to the Wall
PKG-SVX027A-EN
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