Wiring Diagrams And Air Flow Data; Low Voltage Connection - Daikin AWST18SU14 AA Series Installation Instructions Manual

9 Wiring Diagrams and Air Flow Data

OFFSET HANGING
BRACKET
STUD
ATTACHMENT
HOLES
NOTE: SPECIFICATIONS & PERFORMANCE DATA LISTED HEREIN ARE SUBJECT TO CHANGE WITHOUT NOTICE
NOTE: SPECIFICATIONS & PERFORMANCE DATA LISTED HEREIN ARE SUBJECT TO CHANGE WITHOUT NOTICE
AWST 18,24,30,36
Y
#18 Gauge
24 VAC
C
Y
C Y
Condensing Unit
NOTE: Connect appropriate speed tap (Pink/Purple/Yellow) to Y. Refer to table below for speed tap
selection. It is not recommended to use the 1 Ton application for AWST18 8kW heater models.
NOTE: Connect appropriate speed tap (Pink/Purple/Yellow) to Y. Refer to table below for speed tap
selection. It is not recommended to use the 1 Ton application for AWUF19 8kW heater models.
WIRE COLOR
(ONLY AVAILABLE FOR AWUF19 MODELS)
ELECTRICAL POWER
SUPPLY
LOW VOLTAGE
POWER SUPPLY SUCTION LINE
B
D
SUCTION LINE
E
A
AIR FILTER
BOTTOM PRIMARY AND SECONDARY
DRAINS CAN BE ACCESSED THROUGH THE
BOTTOM OF THE UNIT. (3/4" NPT FEMALE
CONNECTION)
NOTE: HAND TIGHTEN ONLY
FRONT RETURN FILTER
LARGE CHASIS
NOTE: THERMOSTAT HEAT ANTICIPATOR SETTING IS 0.2.
NOTE: Thermostat heat anticipator setting is 0.2.
Thermostat
R G W
R G W
T1
Air Handler
#18 Gauge
24 VAC
Note: Connect T2, T3, or T4 to the Y
terminal to the outdoor unit. See Table
below for correct CFM selection
Note: Tape the T5 brown wire
PURPLE
PINK
PINK
YELLOW
COPPER CAP IS INSTALLED
ON MANIFOLD SUCTION AND LIQUID TUBE
LIQUID LINE
C
PULL OUT DISCONNECT
LIQUID LINE
REMOVABLE
SERVICE DOOR
SMALL CHASSIS
9.1 Low Voltage Connections
Several combinations of low voltage schemes are possible,
depending on the presence of a heat kit and whether the
heat kit is single-stage or multi-stage, whether the outdoor
section is an air conditioner or heat pump, and whether
#18 Gauge
24 VAC
the outdoor section is single-stage or two stage. The
24V-control voltage connects the air handle to the room
thermostat and condenser. Low voltage wiring must be
C
copper conductors. A minimum of 18AWG must be used
T5
for installations. Low voltage wiring must be connected
through the top of the cabinet or either side. See the
"Thermostat Wiring" section of this manual for typical low
voltage wiring connections.
C
Condensing Unit
TAP COLOR
BTUH
T1 GREEN
18,000
T2 PURPLE
T3 PINK
12,000
T4 YELLOW
24,000
T5 WHITE
30,000
6
6
CABINET DIMENSIONS
CABINET DIMENSIONS
LARGE CHASSIS
LARGE CHASSIS
2.5 & 3.0 TON
2.5 & 3.0 TON
A 36
A
B 24
B
C 21
C D 19 7/8
E 15 7/8
REMOVABLE
D 19 7/8
SERVICE DOOR
E 15 7/8
LOWER FRONT
ACCESS PANEL
AWUF 18, 24, 30, 36, 37
AWUT 24, 37
Y R
R
Y
#18 Gauge
24 VAC
Y
FC = Field Connection
NOMINAL CFM
600
480
800
950
SMALL CHASSIS
SMALL CHASSIS
1.0, 1.5, & 2.0 TON
1.0, 1.5, & 2.0 TON
36
36 36
20 3/16
24 20 3/16
16 1/8
21 16 16 1/8
11
16
11
Thermostat
G W
G W
Air Handler