DUOTEC AHV120017 Manual del propietario y de instalación - Página 5
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Imprimir páginaOWNER'S MANUAL INSTALLATION INSTRUCTIONS
DUCT CONNECTIONS
SUPPLY DUCT
Supply duct must be attached to the outside of flange on outlet end
of unit. Flexible connectors may be used if desired.
Seal all ducts and transitions carefully. Especially for high static
pressure duct system.
Maintain clearances from supply duct to combustibles when heaters
are installed. Refer to Figure 1 and unit rating plate.
RETURN DUCT
Return duct should be attached to bottom of unit using sheet metal
screws or other fasteners.
FILTER INSTALLATION
Filters must be field supplied. A remote filter grille or other means
must be provided. Refer to ACCA Manual D for remote filter sizing.
Figure 5
Horizontal Installation
See Note
Below
Vibration
Isolators
Supports MUST run parallel with blower cabinet
NOTE: If increased structural strength is needed in the horizontal
position, use field supplied two connecting plates in place of the
tabs on the bottom of the blower.
ELECTRICAL CONNECTIONS
The AHV air handler utilizes an electronic fan control board which
has a low voltage circuit protective fuse (5 AMP), and pigtail
connections for thermostat hook up. The fan control also has a relay
for blower operation, and built in 90 second blower-off time delay
relay (TDR). To disable the TDR feature, snip the jumper wire JW1.
Refer to Figure 6
All electrical work MUST conform with the requirements of local
codes and ordinances and the National Electrical Code NFPA 70
current edition.
The low voltage transformer and the fan control are standard on all
models and are prewired at the factory for 240V.
WARNING
ELECTRICAL SHOCK or UNIT DAMAGE HAZARD
Failure to follow this warning could result in personal injury,
death, and/or property damage.
Turn OFF electric power at fuse box or service panel before
making any electrical connections and ensure a proper
ground connection is made before connecting line voltage.
Drain
Lines
Refrigerant
Lines
Field-Fabricated
Drain Pan
5
Figure 6
LOW VOLTAGE TERM INAL BLOCK
5 AM P FUSE
SEC1
SEC2
AUX HEAT KW/CFM
A
B
C
D
A
VIO
AC/HP SIZE
A
B
C
D
B
BLU
SYSTEM TYPE
AC
H P -C O M FO R T
HP-EFF
C
ORN
AC/HP CFM ADJUST
NOM
HI
LO
D
BLK
ON/OFF DELAY
ENH
E
WHT
CONTINUOUS FAN
LO
MED HI YEL
F
YEL
CEBD430226-01B CESS430226-01B
30
0
90
0
HEATER/MOTOR
M OLEX 12-PIN CONNECTOR
CONVERT TO 115V ELECTRICAL SUPPLY
This unit is pre-wired for 240V at the factory. To use 115V power
supply, two easy steps are required:
1-
Gently remove the black wire from the 240V tab of the
transformer and reconnect to the 115V tab. Make sure the
connection is tight.
2-
Gently remove the 5-pin connector from the motor and
install a jumper as shown here. A red wire is provided in
the manual pouch. See the electrical diagram.
DUOTEC AIR HANDLER: AHV
Fan Control Board
J1
Dh
R
W
1
W
2
Y
1
Y/Y
2
G
O
C
J2
J2 JUM PER
AUX1 HUM1
AUX2
HUM2
24VAC
GRY