INSTALLATION INSTRUCTIONS R−410A Split System Air Conditioner
421 01 1701 00 15
Figure 14
Non−Communicating Indoor Unit with
Observer Communicating Wall Control
NAXA00101DB
Green
Yellow
White
Red
OAT
Sensor
Communicating
Outdoor
W2
C
Y1
C
R
Wall
Control
OAT
DX+
R
C
DX-
Y1
G
O
C
Y1
R
W2
G
DX+
R
C
DX-
Non-Communicating
Indoor
Note: This installation requires the daugh
ter board accessory, NAXA00101DB.
Note: This installation does not allow for
communicating feature functionality.
Y2
Y2
Y/Y2
Final Checks
IMPORTANT: Before leaving job, be sure to do the following:
1. Ensure that all wiring is routed away from tubing and
sheet metal edges to prevent rub-- through or wire
pinching.
2. Ensure that all wiring and tubing is secure in unit
before adding panels and covers. Securely fasten all
panels and covers.
3. Tighten service valve stem caps to 1/12--turn past
finger tight.
4. Leave Owner’s Manual with owner. Explain system
operation and periodic maintenance requirements
outlined in manual.
CARE AND MAINTENANCE
For continuing high performance and to maintain warranty
coverage, periodic maintenance must be performed on this
equipment. Frequency of maintenance may vary depending
upon geographic areas, such as coastal applications. See
Owner’s Manual for information.
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