International comfort products DFS2A/H 2X09, Installation, Start-Up And Service Instructions Manual, Page: 8 / 19

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WIRE THE INDOOR UNIT
1. Strip the cables back 1/4 inch.
2. Remove the unit’s front panel by lifting the lower part and
pulling it gently outward and upward. See Fig. 6.
3. Remove the two screws from the control box cover and
take off the cover. See Fig. 7. Save the screws to reassem-
ble.
NOTE : In general wiring the indoor unit does not require the
removal of the grille frame but in case of need do as follow:
4. Remove the two screws from the air discharge opening.
Save the screws to reassemble. See Fig. 7A.
S
Pull downwards and outwards on the bottom of the grille
and gently raise the frame of the top of the unit.
S
Once all covers are off, mount the unit onto the wall mount-
ing bracket. See Fig. 8.
NOTE
: Leave covers off until after the Making Drainage
Connections section.
S
Route the interconnecting unit’s electric cable and the out-
door sensor cable towards the lower right hand corner of the
indoor unit.
S
Make sure that the wires are connected in accordance with
the wiring diagram on the inside of the unit front cover or
within this instruction manual.
S
Secure the control cables to the strain relief.
S
For heat pump systems only, connect the outdoor sensor
TH3 to its mating black terminal. See Fig. 9.
FIRE HAZARD
Failure to follow this warning could result in personal
injury, death and or property damage.
Make sure that all wires and screws are firmly fastened.
WARNING
!
REASSEMBLE
1. Connect the display connector to the display panel printed
circuit board.
2. Put the control box cover and grille frame back on using
the appropriate screws (Steps 3 and 4 of Wire the Indoor
Unit section). Put the grille insert back on.
Fig. 6 — Remove Grille Insert
FILTER
IR RECEIVER
POWER/AIRCOND TIMER
FUSE
AUTO/OFF
FILTER RESET
SERVICE LED
POWER/AIRCOND TIMER
FUSE
AUTO/OFF
FILTER RESET
SERVICE LED
AUTO/OFF
FILTER RESET
SERVICE LED
Fig. 7 — Remove Control Cover
Fig. 7a — Remove the screws from the air discharge
opening.
Mount the indoor unit on the mounting bracket
Gently push with the arrow direction
Fig. 8 — Indoor Unit Mounting
Standard Dip Switches
status from the factory
Inter unit
terminal block
30VDC
Display
Connection
TH1
TH2
TH3
(Heat Pump Only)
Inter unit cable clamp
HEAT PUMP
Model − 2 X 12 DIP Switches location
(on the control box side)
HEAT PUMP
Model − 2 X 09 DIP Switches location
(on the control box side)
COOLING ONLY
Model − 2 X 12 DIP Switches location
(on the control box side)
COOLING ONLY
Model − 2 X 09 DIP Switches location
(on the control box side)
Fig. 9 — Outdoor Sensor Connection