American Standard ACONT203AS42MA Manuel d'installation et d'utilisation - Page 4
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Installation and User Guide
FIGURE 1. PLACEMENT OF THE 203
Correct
Placement
2 FEET
Optimum
Zone
5 FEET
4.2
Mounting / Installation
Follow these steps to mount the 203 Control to the wall.
1.
Turn OFF all power to heating and cooling equipment.
2.
If an existing thermostat is being replaced:
4.3
Battery Location
FIGURE 2.
FIGURE 3.
BATTERY LOCATION
Premium AA alkaline batteries are
required when C-wire is not available.
When C-wire is available, the batteries
provide a back-up source of power (this
will maintain the clock in the event of a
power outage).
4.4
Battery Replacement
To replace batteries, set system to OFF, remove thermostat from wall and install the batteries in the rear along the bottom of the
thermostat (see Figure 3). For best results, use a premium brand "AA" alkaline battery such as Duracell
going to be unoccupied for an extended period (over 3 months) and "
4
Natural heat
dissipation
from the
thermostat
Onboard
Thermistor
a.
Record color and terminal marking of each wire.
b.
Disconnect the wires from the existing thermostat
being careful not to allow them to fall back into the wall.
Incorrect
Ceiling Fan
c.
Remove the existing thermostat from the wall.
Placement
3.
Pull the thermostat body off the thermostat base. Forcing
or prying on the thermostat will cause damage to the unit.
Heat from the screen may be trapped
4.
Move base over hole in wall and mark mounting hole
within the body of the Control by an
locations on wall using base as template. (See Fig. 1)
external top-down airflow source, such
as a ceiling fan.
5.
Move base out of the way. Drill mounting holes. If you are
using existing mounting holes pull thermostat wire bundle
through the hole in the thermostat base. Secure sub-base
to the wall. Leveling is for appearance only and will not
affect thermostat operation.
The onboard thermistor may be biased
6.
Connect wires to terminal block on base using appropriate
by this heat causing the displayed
wiring diagram.
indoor temperature to be elevated.
7.
Push excess wire into wall and plug hole with a fire resistant
material (such as fiberglass insulation) to prevent drafts
from affecting thermostat operation.
8.
Two "AA" alkaline batteries are included in the thermostat
at the factory with a battery tag to prevent power drainage
9.
Remove the battery tag to engage the batteries
Leveling Thermostat
Leveling is for appearance
only and will not affect
thermostat operation.
" is displayed the batteries should be replaced before leaving.
Pub. No.
11-HD19D1-1D-EN
IMPORTANT:
•
Do not exceed the specification
ratings.
•
All wiring must conform to local
and national electrical codes
and ordinances.
•
This control is a precision
instrument, and should be
handled carefully. Rough
handling or distorting
components could cause the
control to malfunction
RC/RH Jumper Wire
This thermostat electrically
connects the RC and RH
terminals so a jumper
wire is not required. If the
application provides a
separate wire for RC and
RH, clip the RC/RH jumper.
This will isolate both
terminals so they can be
independently used.
or Energizer
. If the home is
®
®
09/2020
Part No. 37-7777006