Carrier 38GJt Owner's Manual & Installation Instructions page 16

38GJQG36---3 38GJQG42---3
INDOOR UNIT A
4.4.2 Grounding Requirements
(1) The air conditioner is classified as a Class I appliance, so its grounding must be reliable.
(2) The yellow-green line of the air conditioner is the earth line and can not be used for any other purpose, cut off or
fixed by the tapping screw; otherwise it would cause an electric shock.
(3) A reliable ground terminal should be provided and the ground wire can not be connected to any of the following
items:
Running water pipe
think unreliable.
4.4.3 Electrical Cable Connection
1) A mistake connecting the line will result in a malfunction. After the electrical wiring is working, ensure
the wire between the connection place and the fixed place has a certain amount of space.
2) The connection piping and connection line of each indoor unit should connect well according to the instruction.
3) The electric installation should be carried out by a technician instructed in the local laws, regulations and
this manual.
4) The installation location should be dry, shielded from direct sunlight or strong winds.
5) Install a breaker in the circuit that can shut off the system's main power supply. Also install an air
switch coupled with the leakage current protection switch must be equipped.
4.4.4 Wiring of the Power Cord
(1). Open the side plate.
(2). Connect the power cord to terminals
terminals N(1),2,3
(3). Fix the power cord with wire clips.
(4). Place the power cord through the rubber ring.
If the supply cord is damaged, it must be replaced by the manufacturer or its service agent or a similarly
qualified person to avoid a hazard.
INDOOR UNIT B
Coal gas pipe
L1 ,
of the indoor unit to the corresponding outdoor unit terminals.
OUTDOOR UNIT
INDOOR UNIT C
Fig 12
Sewage pipe Other places where the professional personnel
and the earthing bolt. Next, connect the wiring
L2
16
INDOOR UNIT D INDOOR UNIT E