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UV-SVP01A-EN 25
Installing the Wall-
Mounted Zone Sensor
(Optional)
Zone sensor location is an impor-
tant element of effective room
control and comfort.
The best sensor location is typical-
ly on a wall, remote from the
HVAC unit. Readings at this loca-
tion assure that the desired set-
point is achieved across the space,
not just near the unit itself.
Note: It may be necessary to
subdivide the zone with
multiple units to ensure
adequate control and comfort
throughout the space.
The following are typical areas
where the zone sensor should NOT
be mounted:
q Near drafts or “dead spots”
(e.g., behind doors or corners);
q Near hot or cold air ducts;
q Near radiant heat (e.g., heat
emitted from appliances or the
sun);
q Near concealed pipes or
chimneys;
q On outside walls or other non-
conditioned surfaces; or
q In air flows from adjacent
zones or other units.
Figure 13: Proper zone sensor placement
Note: All zone sensor wiring
will be done in the factory
unless zone sensor options are
selected to be wall mounted.
When a unit-mounted speed
switch is selected with a wall-
mounted zone sensor, the contrac-
tor must disconnect the cooling
setpoint on the unit mounted sen-
sor if the wall mounted cooling
setpoint is used. The zone signal
will be cut at the factory. The unit-
mounted speed switch cannot be
used as a zone sensor.
THe communications link is not
connected in the factory. Commu-
nications should be wired to the
wall-mounted sensor.
Installation and Wiring