Frigobox HKEJ 261 G User manual

Service Manual

Table of Contents
1. Range & Conditions..................................................3
2. Specifications..........................................................4
3. Control Specifications...............................................9
4. Dimensional Data...................................................16
5. Performance Charts................................................22
6. Refrigerant Flow Diagram........................................23
7. Circuit Diagram......................................................24
8. Troubleshooting......................................................27
9. Checking Electrical Components...............................31
10. Installation..........................................................33
11. IR Remote Controller.............................................44

Technical Data
1. Range & Conditions
1.1 Operating Range
Operating Modes Temperature Indoor Temperature Outdoor Temperature
Max. 32℃DB/23℃WB 43℃DB
Cooling Min. 21℃DB/15℃WB 21℃DB
Max. 27℃DB 24℃DB/18℃WB
Heating Min. 5℃DB -7℃DB/-8℃WB
1.2 Operating Conditions
Rated Operating Conditions
Indoor Temperature Outdoor Temperature
Cooling 27℃DB/19℃WB 35℃DB/24℃WB
Heating 20℃7℃DB/6℃WB
Tubing Length (m) 4.0
Max. Operating Value
Indoor Temperature Outdoor Temperature
Cooling 32℃DB/23℃WB 43℃DB
Heating 27℃24℃DB/18℃WB
Tubing Length (m) 4.0
DB: Dry-bulb temperature
WB: Wet-bulb temperature

Type
Cooling kW
Heating kW
Cooling kW
Heating kW
kW
COOL
HEAT
Ph-V-Hz
I.U. ~ O.U.
A
A
A
A
n°
Liquid side mm(inch)
Gas side mm(inch)
m
m
Kg
m
g/m
°C
°C
Dimension (W*H*D) mm 918 291 180 918 291 180
Packing (W*H*D) mm 977 357 252 977 357 252
Net/Gross weight Kg
dB(A) 37 35 33 40 38 36
dB(A) 29 27 25 32 30 28
Litres/h
m3/h 430 - - 500 - -
n°
Pa
mm
mm
type
Dimension (W*H*D) mm 786 530 305 786 530 305
Packing (W*H*D) mm 925 617 380 925 617 380
Net/Gross weight Kg
dB(A)
dB(A)
m3/h
Indoor Unit Model
Outdoor Unit Model
Capacity
Input
EER
COP
Annual Consumption (500h/Y)
ENERGY CLASS
Power supply
Current (Cooling)
Current (Heating)
Max. current
Starting current
Wiring cables i.u./o.u. (without ground)
Refrigerant
Refrigerant Pipe
Splitting distance indoor/outdoor
Splitting level difference (out.-ind./ind.-out.)
Refrigerant Precharge
MAX Splitting with Refrigerant Precharge
Additional Refrigerant Charge
Refrigerant Control
Temperature range cooling
Temperature range heating
Indoor unit
Indoor Noise level 1 m (Hi/Mi/Lo)
Indoor Noise level 2,5 m (Hi/Mi/Lo)
Moisture Removal
Indoor air flow (Hi/Mi/Lo)
Fan Speeds
Available static pressure
MAX Drain up (from the bottom of the I.U.)
Drain hose diameter
Remote Controller (st. equipment)
Outdoor unit
Outdoor Noise level 1 m (MAX)
Outdoor Noise level 2,5 m (MAX)
Outdoor Air flow
HKEJ 261 G
HCNJ 261 G
Constant speed
2,60
2,70
0,78
0,73
3,33
3,70
390
A
A
1-220~240V-50HZ
I.U.
4,23
4,22
-
-
4
R410A
6.35(1/4’)
9.52(3/8’)
10
5/5
0,80
5
15
Capillary
+18°C ~ +43°C
-7°C ~ +24°C
11/13,5
1,1
3
-
-
16
Wireless IR
33/37
51
43
1400
HKEJ 351 G
HCNJ 351 G
Constant speed
3,60
4,00
1,12
1,15
3,21
3,48
560
A
B
1-220~240V-50HZ
I.U.
5,31
5,49
-
-
4
R410A
6.35(1/4’)
12.70(1/2’)
10
5/5
1,00
5
15
Capillary
+18°C ~ +43°C
-7°C ~ +24°C
11/13,5
1,5
3
-
-
16
Wireless IR
36/39
54
46
1600

2.2 Specifications of main parts
2.2.1 Indoor unit
Controller
Part No. JUK6.672.512/507/508
Controller Microprocessor
Fuse 250V a.c. / 3.15A/15
Remote controller KK10A
& Fan motor
Type Cross-flow fan
Quantity / Diameter / Length mm 1/ф86/ 720.5
Fan motor model Wolong: YYW16-4-561
Pole / Rotation of motor
(rpm, 220V High speed) ----
Coilresistance
Ambient temp 20℃Ω
Wolong: Red-purple: 267.2
purple-White: 494
Fan
Operating capacitor 1μF / 450 VAC
Louver motor
Type Step motor
Model 24BYJ48-FII
Rated voltage (d.c.) V 12
Coil resistance (Ambient temp 25℃) Ω300Ω±7%
Front panel motor
Type Step motor
Model 35BYJ412B-26
Rated voltage (d.c.) V 12
Coil resistance (Ambient temp 25℃) Ω200Ω±7%
Heat exchanger
Fin Aluminum fin / Copper tube
Rows 2
Finpitch mm 1.4
Facearea m
2 0.182
Data subject to change without notice

Compressor
Type Rotary(Hermetic)
Compressor model Huarun: C-1RV113H1A
Compressor power input W 800
Compressor oil / Amount CC PVE(FV-68S)/ 350
Overload protector (external) B165-145-241E
Compressor locked rotor amperes A 21.5
Coil resistance (Ambient temp 20℃) ΩC-R: 3.650 C-S: 5.380
μF 25
Operating capacitor VAC 450
Fan & Fan motor
Type Propeller fan
Amount / Diameter mm 1/ф400
Fan motor model Welling:YDK17-6G
Pole / Rotation of motor (220V,High speed) rpm 6…720
Ratedpoweroutput W 20
Coil resistance (Ambient temp 20℃) ΩWhite – Gray: 426
Brown–White:214
Type Internal protector
Open ℃130±8
Safety
device Operating
temp Close ℃90±15
μF 2.5
Operating capacitor VAC 450
Heat exchanger
Fin Aluminum fin / Copper tube
Rows 1.5
Finpitch mm 1.4
Facearea m
20.375
External coating Powder-spraying coating
Data subject to change without notice

Compressor
Type Rotary(Hermetic)
Compressor model Huarun: C-RV146H1AB
Compressor power input W 1000
Compressor oil / Amount CC PVE(FV-68S)/ 500
Overload protector (external) B230-150-241E
Compressor locked rotor amperes A 28
Coil resistance (Ambient temp 20℃) ΩC-R: 2.355 C-S: 5.600
μF 25
Operating capacitor VAC 450
Fan & Fan motor
Type Propeller fan
Amount / Diameter mm 1/ф400
Fan motor model Welling:YDK40-6H
Pole / Rotation of motor (220V,High speed) rpm 6…880
Ratedpoweroutput W 40
Coil resistance (Ambient temp 20℃) ΩWhite – Gray: 211
Brown–White: 258
Type Internal protector
Open ℃130±8
Safety
device Operating
temp Close ℃90±15
μF 2.5
Operating capacitor VAC 450
Heat exchanger
Fin Aluminum fin / Copper tube
Rows 2
Finpitch mm 1.4
Facearea m
20.375
External coating Powder-spraying coating
Data subject to change without notice

2.3 Specifications of other parts
Indoor unit
Transformer (TR) DB-08-05B
Thermal resistor KTM-41-C9(Copper), KTEC-41-C12(Plastic)
Resistance( KΩ)
0℃32.97KΩ10℃20.00KΩ
20℃12.51KΩ25℃10.00KΩ
30℃8.048KΩ
Power relay (PR) G4A-1A-E 12VDC Or
JQX-102F-012 JZC-43F-012-HS
Coil rated voltage
Coil resistance Ω(20℃) 12V d.c
Ω12V d.c Ω
Outdoor unit
Four-way reversing valve
Coil rated value
Coil resistance Ω(20℃)
AC 220V/240 50Hz 6W
1450±10%
Data subject to change without notice
Power supply JUK6.604.1743
16A/ 250Va.c

3. Control Specifications
3.1 System source
3.1.1 Signal input
Temperature sensor signal (indoor temperature, indoor coiled temperature, outdoor coiled
temperature); remote control signal; emergency switch input; auto diagnosis/ time-shortening input; fan
speed (high/medium/low/breeze) input; (capacity, heating or cooling) input;AC zero passage；PG feedback.
3.1.2 Signal output
Display signals (SI, SCK, RCK); louver motor (1a, 1b, 1c, 1d); step motor(2a, 2b, 2c, 2d); anion/
Electronic dust collector; ultraviolet，Auxiliary electric heating; PG output; buzzer & buzzer power;
compressor; outdoor fan motor; 4-way reversing valve.
3.2 Control functions
3.2.1 Switches input:
Press on / off button when the air conditioner is in the off mode. The unit turns on and works at 24℃
in AUTO mode automatically. Press this button when the unit is running or in TEST RUN mode, air
conditioner is turned off.
Press the button for four seconds until the buzzer beeps twice. Air conditioner enters the TEST RUN
mode. During the period of test run, the air conditioner is controlled by remote controller. The air conditioner
will start the normal operation automatically if the test running time is for more than 15minutes. Air
conditioner will be stopped and exit the test running mode when users press on / off button which is on the
indoor unit or on the remote controller.
3.2.2 Timing on/off and program control
3.2.2.1 Turn on the air conditioner on timer
The air conditioner will start operation at the set time. “Timing on” function is only effective for one
time in 24 hours. If user turns on the air conditioner by pressing ON/OFF button on the remote controller
before the set time, then “Timing on” function will be cancelled. If user select “Timing on” when the air
conditioner is in on status, the unit will be turned off and it will be turned on at the set time. The original
display of “Timing on” is 12:00.
3.2.2.2 Turn off the air conditioner off timer
The air conditioner will exit running at the set time. “Timing off ” function is only effective for one time
in 24 hours. If user selects “Timing off” function when the air conditioner is in the off status, the unit will be
turned on and it will be turned off at the set time. If user turns off the air conditioner by hand before the set
time, then “Timing off” function will be cancelled. The original display of “Timing off” is 12:00.
3.2.2.3 Program control
The air conditioner will be turned on/off at the set time everyday. If user turns off the air conditioner
by hand before the set time, then “Timing off” function will be cancelled; but “Timing on” function is still
effective. If user turns on the air conditioner by hand before the set time, then “Timing on” function will be
cancelled; but “Timing off” function is still effective.

3.2.3 Temperature control:
There is 3℃temperature comprehension in HEAT mode. Not available for COOL, AUTO or DRY
modes.
3.2.4 Sleep mode:
Temperature will be adjusted automatically when the sleep mode is set. The set temperature will
increase 1℃after running 1 hour in Cooling or dehumidifying mode. Temperature will decrease 1℃after
running 1 hour in heating mode. The set temperature will be controlled between 16℃and 32℃.
When the air conditioner runs in sleep mode, the Max. indoor fan speed is set at medium level.
Indoor fan motor will stop running after stopping the compressor for 30 seconds. (In cool mode, indoor fan
motor will not stop).
3.2.5 The front panel
The front panel will be opened either the air conditioner is started running or air refresh function is
started; or it will be closed.
Indoor fan motor will be started running only the front panel is opened completely.
3.3 Operating mode
3.3.1 Auto-operating mode: (not available for cooling-only type air conditioner)
When air conditioner stars running or the set temperature is adjusted under this mode, Master
controller can select running mode (cooling or heating) automatically by the D-value between indoor
temperature and set temperature. It runs in cooling mode when Tr≥Ts (Tr: Room temperature, Ts: Set
temperature) and in heating mode when Tr<Ts.
In heating mode, When Tr≥Ts+3℃lasts for 15 minutes. It turns into cooling mode.
In cooling mode, when Tr≤Ts-2℃lasts for 15 minutes. It turns into heating mode.
When Ts-2℃< Tr < Ts+3℃, it keeps original operating mode.
Temperature control range: 16℃-32℃; Original value: 24℃;
Temperature control precision: ±1℃;
3.3.2.Cooling:
Temperature control range: 16℃-32℃; Original value: 24℃;
Temperature control precision: ±1℃;
Characters on control:
4-way reversing valve closes:
When Tr≥Ts+1℃, compressor runs; When Tr≤Ts-1℃, compressor stops; The control circuit will
stop compressor only after it has run at least 5 minutes. The compressor can be restarted 3 minutes later
the turn-off.
Fan speed control:
Auto: When Tr>Ts+2℃, high speed;
When Ts+1℃≤Tr<Ts+2℃, medium speed;
When Tr< Ts+1℃, low speed.
Manual: Users can select the fan speed of high, medium or low level as needed when the air conditioner is
1
2
3
54
Fig.1
6

in the turn-on status.
Louver adjustment:
Manual (vertical direction):Set the blades position as needed. (Position 1-6 in figure 1.)
Auto (vertical direction): The range of sweeping is in position 2-5.
3.3.3. Dehumidification:
Temperature control range: 16℃-32℃; Temperature control precision: ±1℃;
Characters on control:
4-way reversing valve closes.
When Tr≥Ts+2℃,the running mode is the same to the cooling operation;
When Ts-1℃< Tr < Ts+2℃, compressor and outdoor fan motor run continuously. And indoor fan
motor runs at low fan speed
When 15℃< Tr < Ts-1℃, compressor and outdoor fan motor are working according to 3 minutes
working alternating with 9 minutes stopping. Indoor fan motor runs at low fan speed when compressor is
running, and it runs at breeze level for 30 seconds later the turn-off of compressor. 30 seconds later, fan
motor will turn off.
When Tr≤15℃, indoor and outdoor fan motor will stop running, louver blades (vertical direction)
can’t be controlled.
Louver adjustment (vertical direction): The range of sweeping is in position 2-5.
3.3.4. Heating (not available for cooling-only type air conditioner)
Temperature control range: 16℃-32℃; Original value: 24℃;
Temperature control precision: ±1℃;
Characters on control:
4-way reversing valve opens.
When Tr≤Ts-1℃, compressor, 4-way reversing valve and outdoor fan motor all open.
When Tr≥Ts+1℃, compressor and outdoor fan motor both close; Indoor fan motor is running at
breeze. When Trc (Trc: The indoor coiled temperature) <F℃, the air conditioner will enter into
cool-airflow-prevention operation, the PAUSE indicator will light.
Indoor Fan motor control:
Manual: Users can select the fan speed of high, medium or low level as needed.
Auto: When Tr< Ts-2℃, high speed; When Tr≥Ts-2℃,medium speed;
Louver adjustment:
Manual (vertical direction):Set the blades position as needed. (Position 1-6 in figure 1.)
Auto (vertical direction): The range of sweeping is in position 1-4.
Compressor control:
The control circuit will stop compressor only after it has run at least 5 minutes. Compressor can be
restarted 5 minutes later the turn-off.
3.3.5. Sweep Mode
In sweep mode, compressor, 4-way reversing valve and outdoor fan motor are all stops;
Indoor fan motor can be adjusted at high, medium low speed and breeze.

Louver adjustment:
Manual: Users can set the position as needed. (Positions 1-6 in figure 1)
Auto: The range of sweeping is in position 1-5.
3.4 Protection function
3.4.1 Delay-starting protection for the compressor
Compress will restart working 3 minutes(5 minutes in HEAT mode) later the turn-off of compressor or
power-off to keep the pressure balance of the cooling system.
3.4.2 Freeze-prevention: To prevent indoor heat exchanger freezing in COOL and DRY
operation.
When Trc≤3℃for 2 minutes, the air conditioner will enter into freeze-prevention operation. If
indoor fan speed is at low or breeze level, it will turn to medium speed automatically; if indoor fan speed is
at medium speed, it will turn to high speed;, The air conditioner will exit Freeze-prevention operation when
Trc>8℃, indoor fan motor runs at the set fan speed. Compressor will stop running when it runs at least 10
minutes and Trc≤-2℃. If the off-time of compressor is for more than 6 minutes or Trc≥8℃, and the
compressor stops running for more than 3 minutes. Compressor and outdoor fan motor will restart working.
The air conditioner will exit Freeze-prevention operation, and indoor fan motor is running at the set speed.
3.4.3 Cooling overload working: To prevent the temperature of indoor heat
exchanger is too high (not available for cooling-only type air conditioner)
When Toc≥60℃, the air conditioner will enters into cooling overload protection, and indoor fan
speed will drop a gear. When Toc≥75℃, compressor will stop, indoor fan motor goes on running. When
Toc≤55℃and the time of indoor fan exchange is for more than 5 minutes, the air conditioner will exit
cooling overload protection; indoor fan motor and compressor will restore normal operation.(compressor
has a delay protection function)
3.4.4 Cool-airflow-prevention: (not available for cooling-only type air conditioner)
In heating operation, if Trc<F℃, and the running time of compressor is for less than 5 minutes, air
conditioner stays in the cool-airflow prevention, Louver blades will move to position 6 and can’t be
controlled; Indoor fan motor will stop and PAUSE (red) indicator will light.
3.4.5 Heating overload working: (not available for cooling-only type air conditioner)
When Trc≥A℃, the unit enters into heating overload protection. If indoor fan speed is set at low or
breeze level, it will turn to medium speed automatically; if indoor fan speed is set at medium speed, it will
turn to high speed; When Trc≥B℃, outdoor fan motor stops. When Trc≤D℃, outdoor fan motor will restart
working. Air conditioner will exit overload protection when Trc drops blow E℃, compressor restarts working,
Indoor fan motor runs at the set fan speed.
When Trc≥C℃and the build-up time of compressor running is for more than 5 minutes, compressor
will be stopped.

3.4.6 Defrosting: (not available for cooling-only type air conditioner)
3.4.6.1 Defrost entry conditions
After the compressor running for more than 10 minutes.
A. Indoor unit enters into overload prevention and outdoor unit stops. When outdoor fan motor runs for more
than 10 minutes, and the build-up time of compressor running is for more than 50 minutes, Trc≤A-1℃
and Toc≤-2℃( Toc: The outdoor coil temperature.)
B. Not overload, but Toc≤-17℃for 30 seconds. The build-up time of compressor running is for more than
25 minutes.
C. The build-up time of compressor running is for more than 3 hours. And Toc≤-2℃for 5 minutes. Trc≤
G-2℃and Trc≤(Tr+H)℃.
D. The build-up time of compressor running is for more than 3 / 2 hours. And it reaches the condition of the
unit stopping. Toc drops blow -2℃for 3 minutes(overload).or Toc≤-2℃and Trc≤G+2℃(not
overload).
E. The build-up time of compressor running is for more than 50minutes.Toc ≤-2℃, Trc drops at least 3℃
and Trc≤G℃, Trc≤(Tr+H) ℃.
F. Toc ≤-2℃, the temperature decreases 1℃every 6 minutes (repeat for 3 times). The build-up running
time is for more than 25 minutes.
The air conditioner will defrost only one of the conditions is meet.
3.4.6.2 Defrosting:
Compressor, indoor and outdoor fan motor will stop working after the unit entering into defrost running.
55 seconds later, 4-way reversing valve will close. Another 5 seconds, compressor starts running. When the
time of the compressor running is for more than 10 minutes or Toc≥20℃, and defrosting time is for more
than 3 minutes, Compressor stops. 55 seconds later, 4-way reversing valve will open. Another 5 seconds
later, compressor and outdoor fan motor will restart working and exit defrosting operation. In defrosting
operation, the time of compressor running is at least 3 minutes. Cool-airflow-prevention and blowing residue
heat are both efficient.
3.4.7 Testing codes
code 1: to set test run; code 2: to set fast testing;
code 3: to set auto-diagnosis; code 4: to cancel the above setting;
3.4.8 Temperature and failure code display
The defining of code refers to the following:
Code 11: room temperature code 12: indoor coil pipe temperature
Code 13: outdoor coil pipe temperature code 14: abnormal information
E0:Normaloperation P1:Coolingoverload
P2:Heatingoverload F4:PGmotorisabnormal
F1: The circuit of room temperature sensor is damaged or abnormal
F2: The circuit of indoor coiled temperature sensor is damaged or abnormal
F3: The circuit of outdoor coiled temperature sensor is damaged or abnormal
When temperature sensor or PG motor is damaged or abnormal, RUN indicator will flash.

3.5 Other functions
3.5.1 Auto-diagnosis
Test terminal on the main panel is shorted. The Auto-diagnosis functions are in the following steps
when the power is turned on.
Buzzer beeps 1s →Running indicator on 0.5s →Pause indicator on 0.5s →Timer indicator on
0.5s →air refresh indicator on 0.5s →breeze indicator on 0.5s→low fan speed indicator on 0.5s →medium
fan speed indicator on 0.5s →high fan speed indicator on 0.5s →air refresh indicator on 0.5s →ultraviolet
indicator on 0.5s →auxiliary electric heating indicator on 0.5s →step motor for louver(1a,1b,1c,1d)on 0.5s
→step motor for front panel(2a,2b,2c,2d)on 0.5s→4-way reversing valve 0.5s→Outdoor fan motor run
0.5s →compressor run 0.5s→no output for 0.5s→all signal output for 1s→Buzzer beeps 1s
During the period of auto-diagnosis, LED display “11,22,33,44,55,66,77,88,99,00” circularly, and
each display for 0.5s. Indoor fan motor runs at medium fan speed.
During the period of auto-diagnosis, buzzer will keep beep if temperature sensor is abnormal.
3.5.2 Timer saving:
The time-shortening terminal on the main panel is shorted when the unit is powered on. The buzzer
beeps twice and the master controller CPU run as 61 times as the former speed.
3.5.3 Auxiliary electric heating: (not available for cooling-only type air conditioner)
The starting conditions of auxiliary electric heating:
A. Received the signal for remote controller to start this function;
B. Air conditioner runs in heat mode;
C. Compressor runs for more than 1 minute.
D. Tr≤14℃.
E. Ts－Tr≥6℃
F. Indoor fan runs at high or medium fan speed.
Auxiliary electric heating will be closed under the one of the following conditions.
A. Tr≥18℃;
B. Ts－Tr≤2℃;
C. Trc≥A－2℃;
D. Indoor fan runs at low or breeze fan speed;
E. Defrost operation;
F. Received the signal for remote controller to stop this function;
3.5.4 LCD display
The LCD doesn’t display symbols if air conditioner is in off status. Timer indicator will light if ON
TIMER function set before. The LCD will display the set temperature and running mode when air
conditioner is running but air refresh doesn’t functioned. And it will display index of air refresh when air
conditioner and air refresh are running. The index will display “6” if air refresh runs for more than 50 minutes;
“7” for 2 hours running; “8” for 3 hours running; and “9” for 4 hours running. This index range is 1~9. if set
temperature is changed during the period of air refresh, the LCD will display the set temperature for 1

minutes, and then return to display the index of air refresh. LCD will not display the index if air refresh
function is stopped running. Only run indicator lights If SLEEP function is set for 30 seconds later; and it will
display all setting if remote control signal is received.
3.5.5 Air refresh function
Press air refresh button when the unit doesn’t run, air refresh and run indicators will light (display the
index of air refresh), air conditioner will be turned on and runs at the set fan speed; in ion mode, anion are
working according to 10 minutes working alternating with 5 minutes stopping. When air refresh function is
turned off, the unit will turn back to the original mode. Press air refresh button if Air conditioner is running,
air refresh will be functioned and the indicator will light too.
3.5.6 Quiet Operation
Press quiet button when air conditioner is in SWEEP mode, the indoor fan will run at breeze;
Press air refresh button if air conditioner doesn’t run, the indoor fan will run at breeze if the setting fan
speed is breeze.
Quiet function is not effective for other status.
3.6 Parameter table
Temperature table of protecting point
The type of remote controller for heat-pump air conditioner is KK10A.
The type of remote controller for cooling-only air conditioner is KK9B.
Fan motor rotation
Voltage High fan speed Medium fan speed Low fan speed Breeze
0.5 1080 980 880 760
1.0 1110 1010 910 770
1.5 1140 1040 940 780
2.0 1170 1070 970 790
2.5 1200 1100 1000 800
3.0 1230 1130 1030 810
3.5 1260 1160 1060 820
4.0 1290 1190 1090 830
4.5 1320 1220 1120 840
5.0 1350 1250 1150 850
Model ABC D EFGH
HKEJ 261 G 49 52 65 44 42 32 39 22
HKEJ 351 G 54 57 70 48 46 34 43 26

4. Dimensional data
Indoor Unit
Outdoor Unit
918
291
180
786
305
530
Unit: mm
The above figures are only schematic, and they may be slightly different from
the actual appliance you bought.

Monosplit ON/OFF models:
HCNJ 261 G, 351 G
Outdoor Unit
OUTLINE OF PARTS AND FUNCTIONS
Indoor Unit
Monosplit ON/OFF models:
HKEJ 261 G, 351 G
NOTE: The figure above is for explanation purpose only; the actual appliance may be slightly different.
NOTE: The figure above is for explanation purpose only; the actual appliance may be slightly different.
Power cord
Condensate drain hose
Motorized horizontal flap
Remote controller receiver and Display
Air inlet
Vertical louvers
(manual adjusting)
Front panel
Decorated board (removable)
Infrared remote controller
Refrigerant piping
and electrical wiring
Air inlet
(sideways and rear)
Air outlet

LED display panel on the Indoor Unit
OUTLINE OF PARTS AND FUNCTIONS
Monosplit ON/OFF models:
HKEJ 261 G, 351 G
Front panel
Air filter
Decorated board
Motorized flap
(for vertical distribution)
Manual louvers
(for horizontal distribution)
"PAUSE" Indicator
"RUN" Indicator
It lights up to indicate that the
unit is operating:
AUTO (Automatic)
HEAT (Heating)
COOL (Cooling)
SWEEP (Fan only)
DRY (Dehumidifying).
It lights up during automatic
defrosting, or when the pre-
heating function for the indoor
heat exchanger is active (i.e.
when operation in Heating
mode starts).
ON/OFF Switch
For emergency opera-
tion in AUTO mode (if
the remote controller
is not available). Press
it again to stop the
unit.
"TIMER" Indicator
It lights up to indicate
that the unit's operation
has been programmed
by the Timer.
"AIR REFRESH" Indicator
It refers to a function which
is unavailable on these models.
Set temperature display
The desired temperature value is
displayed, as set by the User
through the infrared remote
controller.
Current indoor fan speed setting indicator
Indoor fan is set at "HIGH" speed
Indoor fan is set at "MEDIUM" speed
Indoor fan is set at "LOW" speed
NOTES:
If the current indoor fan speed setting indicator is flashing, this means that
"AUTO" fan speed has been selected.
1. Do not put fingers or sticks into the air inlet or air outlet of the indoor unit.
2. Touching the indoor fan which rotates at high speed, may result in serious injuries. Moreover the
aluminium fins on the heat echanger are sharp-edged. As a consequence, particular attention must
be observed when the front panel of the indoor unit has been opened for maintenance or air filters
cleaning. It is strongly adviced to switch off the main power line and wait some minutes before
carrying on the inspection work.
3. If the "RUN" indicator flashes, this means that a malfunction has occurred. In such cases, it is
required to contact a Service Agent.

NO. NAME CODE
1 Pressure plate for tube
2 Electrical motor lid
3 Fan electromotor
4 Flap motor
5 Flap
6 Crank shaft
7 Connecting bar
8 Media frame
9 Electric control assembly
10 Electric control cover
11 Air filter (right side)
12 Front panel assembly
13 Display window assembly
14 Decorative slat
15 Air filter (left side)
16 NM-potocatalyst deodorant
net
17 Cover for step motor
18 Step motor
19 Air guiding frame assembly
20 Axile bush
21 Fan
22 Supporter (left side)
23 Evaporator assembly
24 Real panel assembly
25 Installation board
26
27
28