Mitsubishi Electric TRANE TPKA0A 1HA70 Serie Manuel D'installation page 8

6. Electrical work
I
F
J
I
2-11/64 inch
15/32 inch D
K
M N L
R
B
en
7
E
D
G
15/32 inch
G
E
S1 S2 S3
C
H
O P
J
S
Fig. 6-1
A
C
Fig. 6-2
Fig. 6-3
6.1. Indoor unit (Fig. 6-1)
Connection can be made without removing the front panel.
1. Open the front grille, remove the screw (1 piece), and remove the electrical parts
cover.
A
* Electrical work can be conducted more effectively with the panel removed. When
attaching the panel, check that the hooks K at five locations on the air outlet side
B
are connected securely.
2. Securely connect each wire to the terminal board.
* In consideration of servicing, provide extra length for each of the wires.
* Take care when using strand wires, because beards may cause the wiring to
short out.
3. Install the parts that were removed back to their original condition.
4. Fasten each of the wires with the clamp under the electrical parts box.
A Electrical box cover
2-11/54 inch
B Fixing screw (Electrical box cover)
C Earth wire connection portion
E Indoor/outdoor connection terminal board: S1, S2, and S3, have polarity
F Lead
J
H Earth wire: Connect earth wire in the direction illustrated in the diagram.
J Indoor/outdoor connection cord
K Hook
L Conduit plate
M Bush (purchased locally)
N Lock nut (purchased locally)
O Connector (purchased locally)
P Conduit (purchased locally)
R Conduit cover
S Fixing screw (Conduit cover)
Only for wired remote controller
D Wired remote control terminal board: 1 and 2, do not have polarity
G Terminal screw
I Wired remote control cord
■
Connection of optional part on controller board.
1. Press and unlock the knobs on both sides of the front
panel and lift the front panel until it is level. Pull the hinges forward to remove
the front panel. (Fig. 6-3)
2. Move the horizontal vanes in a downward direction.
3. Remove the screw caps of the panel. Remove the screws. (Fig. 6-2)
4. Hold the lower part of both ends of the panel and pull it slightly toward you, and
then remove the panel by pushing it upward.
A Front panel
B Vane
C Screw caps