Power Source Installation - HEC HSU-09TK/R32(DB)-IN Operation Manual

When connecting the cable after installing the indoor unit
1. Insert from outside the room cable into left side of the wall
hole, in which the pipe has alread
2. Pull out the cable on the front side, and connect the cable
making a loop.
When connecting the cable before installing the indoor unit
Insert the cable from the back side of the unit, then pull it out on the front side.
Loosen the screws and insert the cable ends fully into terminal bloc k, then
tighten the screws.
Pull the cable slightly to make sure the cables have been properly inserted and
tightened.
After the cable connection, never fail to fasten the connected cable with the
wiring cover.
Note:
When connecting the cable, con r
outdoor units carefully. If wiring is not correct, proper operation can not
be carried out and will cause defect.
Connecting wiring
1. If the supply cord is damaged, it m
service agent or a similar quali ed person. The type of connecting wire is
H07RN-F.
2. If the fuse on PC board is broken
T.3.15A/250VAC (Indoor).
3. The wiring method should be in l
4. After installation, the power plug should be easily reached.
5. A breaker should be incorporated into xed wiring. The breaker should be
all-pole switch and the distance between its two contacts should be not less
than 3mm.

Power Source Installation

The power source must be exclusively used for air conditioner.
In the case of installing an air conditioner in a moist place, please install
rth leakage breaker.
an ea
For installation in other places, use a circuit breaker as far as possible.
Cutting and Flaring Work of Piping
Pipe cutting is carried out with a pipe cutter and burs must be removed.
After inserting the are nut, aring work is carried out.
Flare tool for R410A
Clutch-type clutch-type(Rigid-type) Wing-nut type (Imperial-type)
A 0~0.5mm 1.0~1.5mm
Flare tooling die
3.Insert the are nut
7
y existed.
●
Indoor unit
To Outdoor unit
m the terminal number of indoor and
●
2
4G1.0mm
ust be replaced by the manufacturer or its
●
please change it with the type of
●
ine with the local wiring standard.
●
Conventional are tool
1.5~2.0mm
1.Cut pipe 2.Remove burs
4.Flare pipe
C r o e r t c
Lean Damage of are
On Drainage
Please install the drain hose so as to be downward slope without fail.
Please don't do the drainage as shown below.
It becomes
The end is imm-
It waves.
high midway.
ersed in water.
Please pour water in the drain pan of the indoor unit, and
is carried out surely to outdoor.
drainage
In case that the attached drain hose is in a room, please apply heat
insulation to it without fail.
On Drainage
C ode
indic ation T rouble description
Room temperature
E 1
sensor failure
H eat-exchange
E 2
sensor failure
Indoor E E P R O M
E 4
error
C om m unication
fault betw een
E 7
indoor and outdoor
units
Indoor fan m otor
E 14
m alfunction
Check for Installation and Test Run
Please kindly explain to our customers how to
operate through the instruction manual.
Check Items for Test Run
Put check mark
Gas leak from pipe connecting?
Heat insulation of pipe connecting?
Are the connecting wirings of indoor and outdoor rmly
inserted to the terminal block?
Is the connecting wiring of indoor and outdoor rmly xed?
Is drainage securely carried out?
Is the earth line securely connected?
Is the indoor unit securely xed?
Is power source voltage abided by the code?
Is there any noise?
Is the lamp normally lighting?
Are cooling and heating (when in heat pump) performed normally?
Is the operation of room temperature regulator normal?
n I c r o e r t c
Partial Too outside
Crack
Less than
5cm
The gap with the There is the bad
ground is too small. smell from a ditch
con rm that
A nalyze and diagnose
F aulty connector connection;
F aulty therm istor;
F aulty P C B ;
F aulty E E P R O M data;
F aulty E E P R O M ;
F aulty P C B ;
Indoor unit- outdoor unit signal
transm iss ion error du e to w iring
error;
F aulty P C B ;
O peration halt due to breaking
of w ire inside the fan m otor;
O peration halt due to breaking
of the fan m otor lead w ires;
D etection error due to faulty
indoor unit P C B ;
in boxes