Nordyne 460/575 Volt Single Package Convertible Air Conditioner User Manual And Installation Instructions page 9

Low Voltage Connections
! CAUTION:
To avoid the risk of property damage,
make certain that the motor leads cannot
come into contact with any uninsulated
metal components of the unit.
Room Thermostat — Several options are
available for a room thermostat depending on
the accessories installed with the unit. The
available thermostats recommended for use
with these units are listed with the accessories
in Table 2. Select a thermostat which operates
in conjunction with the installed accessories.
The thermostat should be mounted about five
feet above the ground on an inside wall. The
ECONOMIZER
PLUG
1
Gray
2
3
Yellow 4
Blue
5
6
7
8
9
Typical Wiring (Field Supplied) for 1-Stage Cool
ECONOMIZER
PLUG
1
Gray
2
3
Yellow 4
Blue
5
6
7
8
9
Typical Wiring (Field Supplied) for 2-Stage Cool
INDOOR
THERMOSTAT
SUB-BASE
INDOOR
THERMOSTAT
SUB-BASE
Figure 8. Typical Thermostat Connection
thermostat should be kept away from drafts,
slamming doors, lamps, direct sunlight, or in line
with the supply air flow.
To install the thermostat:
1. Position the sub base on an inside wall
and mark the mounting holes and
thermostat cable openings.
2. Cut out the cable opening and route the
thermostat cable from the unit's low
voltage compartment to the thermostat
location. The thermostat cable is
supplied by the installer.
3. Connect the cable leads to the sub
base or thermostat terminals and to
the unit's low voltage pigtails as shown
in Figure 8. A system wiring diagram
is also provided on the inside of the
control panel cover.
FROM TIME DELAY
RELAY OR
BLOWER RELAY
X
Y
FROM ANTI
SHORT CYCLE
R
G
(Optional,
W
Check
Thermostat
Instructions)
TRANSFORMER
FROM TIME DELAY
(Optional,
Check
BLOWER RELAY
Thermostat
X
Instructions)
Y1
Y2
R SHORT CYCLE
G
W1
TRANSFORMER
Green
TIMER
Black
FROM
Red
RELAY OR
Green
FROM ANTI
TIMER
Black
FROM
Red
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