Midea MSE18HRN1 Installation Manual page 11

ELECTRICAL WORK
Model
Power Source
<12000Btu/h
60Hz 115V~
12000Btu/h 60Hz 208~230V~
NOTE: The supply voltage must be consistent with the rate voltage of the air conditioner.
Connect the cable to the indoor unit
NOTE: Before performing any electrical work, turn off the main power to the system.
1. The inside and outside connecting cable can be connected without removing the front grille.
2. Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene
sheathed flexible cord, type designation H07RN-F or heavier cord.
3. Lift the indoor unit panel up, remove the electrical box cover by loosening the screw.
4. Ensure the colour of wires of outdoor unit and the terminal Nos. are the same to the indoor s
respectively.
5. Wrap those cables not connected with terminals with insulation tapes, so that they will not touch
any electrical components. Secure the cable onto the control board with the cord clamp.
Panel
Electrical cover
Connect the cable to the outdoor unit
1. Remove the electrical control board cover from the outdoor unit by loosening the screw.
2. Connect the connective cables to the terminals as identified with their respective
matched numbers on the terminal block of indoor and outdoor units.
3. Secure the cable onto the control board with the cord clamp.
4. To prevent the ingress of water, from a loop of the connective cable as illustrated
in the installation diagram of indoor and outdoor units.
5. Insulate unused cords (conductors) with PVC-tape.Process them so they do not
touch any electrical or metal parts.
Cover
Screw
Plug socket and Fuse rating
32/25A
Code wire
Fig.20
Code wire
Fig.21
To power supply
10
AWG(MIN.)
Power supply cord
Connecting cable
14
Terminal block of indoor unit
1 2 3
Terminal block of outdoor unit
N
L G 1 2 3
Cord clamp
To indoor unit
18
4
To Outdoor Unit
4