Delta 21CK018C24 User manual

www.delta-dct.com
Vogue Ultra Cassette
21CK Series
INSTRUCTION MANUAL
WARNING!
Read and follow all safety precautions in
Instruction Manual - improper use can cause
serious injury.

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CONTENTS
1 Names and functions of parts .................................................................................................................................2
2 Safety cautions........................................................................................................................................................3
3 Wired remote controller..........................................................................................................................................5
3.1 Displaying Part .......................................................................................................................................5
3.2 Buttons....................................................................................................................................................7
3.3 Installation of Wired Controller..............................................................................................................8
3.4 Instruction to Operation..........................................................................................................................9
3.5 Error Display ........................................................................................................................................21
3.6 Setting of Indoor Room Sensor Installing Wired Remote Controller ...................................................22
4 Defrosting control（Heat pump）.......................................................................................................................23
5 Main board Code Setting ......................................................................................................................................25
6 Names and functions of remote control buttons ...................................................................................................26
7 Errors display and buttons of LED board .............................................................................................................29
7.1 Errors display........................................................................................................................................29
7.2 Functions of the buttons........................................................................................................................29
8 Optimum operation...............................................................................................................................................30
9 Trouble shooting...................................................................................................................................................31
10 Installation notes...................................................................................................................................................33
11 Care and maintenance...........................................................................................................................................34
12 Instructions of unit installation .............................................................................................................................38
12.1 Install of the cassette type indoor unit ..................................................................................................38
12.2 Electric wiring ......................................................................................................................................44
12.3 Installation of panel ..............................................................................................................................45
12.4 Install of outdoor unit ...........................................................................................................................49
12.5 Products Electric Installation ................................................................................................................57
13 Test operation .......................................................................................................................................................60

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1Names and functions of parts

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2Safety cautions
●Read the following carefully to assure safe use.
NOTE: Children should be supervised to ensure that they do not play with the appliance.

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NOTE: This appliance is not intended for use by persons (including children) with reduced
physical, sensory or mental capabilities, or lack of experience and knowledge, unless they
have been given supervision or instruction concerning use of the appliance by a person
responsible for their safety.

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3Wired remote controller
3.1 Displaying Part
Fig.3.1.1 Outline of wired controller
3.1.1 LCD Display of Wired Controller
Fig.3.1.2 LCD display

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3.1.2 Instruction to LCD Display
No. Description Instruction to Displaying Contents
1 Swing Swing function
2 Air ＊Air exchange function
3 Sleep Sleeping states
4 Running mode Each kind of running mode of indoor unit (auto mode)
5 Cooling Cooling mode
6 Dry Dry mode
7 Fan Fan mode
8 Heating Heating mode
9 Defrost ＊Defrosting state
10 Gate-control card ＊Gate control
11 Lock Lock state
12 Shield Shielding state (buttons, temperature, on/off, mode or save is shielded by
long-distance monitoring
13 Turbo Turbo function state
14 Memory Memory state (Indoor unit resumes original setting state after power failure and
then power recovery)
15 Twinkle Flicking when unit is on without operation of buttons
16 Save Energy-saving state
17 Temperature Ambient/setting temperature value
18 E-Heater＊E-HEATER display means electric-heater is available
19 Blow Blow mark
20 Timer Timer-displayed location
21 Quiet Quiet state(two types: quiet and auto quiet)
Notes: The functions with * are reserved for other models and are not applicable for the models listed in this
manual.
Table 3.1

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3.2 Buttons
3.2.1 Silk Screen of Buttons
Fig. 3.2.1 Silk screen of buttons
3.2.2 Instruction to Function of Buttons
No. Description Function of Button
1 Enter/cancel
(1) Function selection and canceling;
(2) Press it for 5s to enquiry the outdoor ambient temperature. ＊
2 ▲
6 ▼
(1) Running temperature setting of indoor unit, range :16～30°C
(2) Timer setting, range:0.5-24hr
(3) Switchover between quiet/auto quiet
3 Fan Setting of high/middle/low/auto fan speed
4 Mode Setting of cooling/heating/fan/dry mode of indoor unit
5 Function Switchover among these functions of air/sleep/turbo/save/e-heater/blow/quite
7 Timer Timer setting
8 On/off Turn on/off indoor unit
4 Mode
and
2 ▲
Memory function
Press Mode and ▲for 5s under off state of the unit to enter/cancel key
memory function (If memory is set, indoor unit will resumer original setting
state after power failure and then power recovery. If not, indoor unit is
defaulted to be off after power recovery. Memory function is defaulted to be
set before outgoing.)
2 ▲
and
6 ▼
Lock
Upon startup of the unit without malfunction or under off state of the unit,
press ▲▼key at the same time for 5s in to lock state. In this case, any other
buttons won’t respond the press. Repress ▲▼key for 5s to quit lock state.
Table 3.2Installation of Wired Controller

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3.3 Installation of Wired Controller
Fig.3.3.1: Sketch for Installation of Wired Controller
No. 1 2 3 4 5
Description Socket’s base box
installed in the
wall
Soleplate of
controller
Screw M4X25 Front panel of
controller
Screw ST2.2X6.5
Fig.3.3.1: Sketch for Installation of Wired Controller. Pay attention to the following items during installation of
wired controller:
1. Cut off power supply of heavy-current wire embedded in mounting hole in the wall before installation. It is
prohibited to perform the whole procedure with electricity.
2. Pull out 4-core twisted pair line in mounting hole and then make it through the rectangle hole at the back of
controller’s soleplate.
3. Joint the controller’s soleplate on wall face and then fix it in mounting hole with screws M4X25.
4. Insert the 4-core twisted pair line through rectangle hole into controller’s slot and buckle the front panel and
soleplate of controller together.
5. At last, fix the controller’s front panel and soleplate with screws ST2.2X6.5.
Caution:
During connection of wirings, pay special attention to the following items to avoid interference of electromagnetism
to unit and even failure of it.
1. To ensure normal communication of the unit, signal line and wiring (communication) of wired controller should
be separate from power cord and indoor/outdoor connection lines. The distance between them should be kept
20cm in min.
2. If the unit is installed at the place where there is interference of electromagnetism, signal line and wiring
(communication) of wired controller must be shielded by twisted pair lines.

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3.4 Instruction to Operation
3.4.1 On/Off
Press On/Off button to turn on the unit.
Repress this button to turn off the unit.
Note: The state shown in Fig.3.4.1 indicates off-state of the unit after energization.
The state shown in Fig.3.4.2 indicates on-state of the unit after energization.
Fig.3.4.1 Off state of the unit Fig.3.4.2 On state of the unit
3.4.2 Mode Setting
Under on-state of the unit, press Mode button to switch the operation modes as the following sequence:

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3.4.3 Temperature Setting
Press ▲or ▼button to increase or decrease of setting temperature under on-state of the unit. If press either of them
continuously, temperature will be increased or decreased by 1°C every 0.5s.
In Cooling, Dry, Fan and Heating mode, temperature setting range is 16°C～30°C.
In Auto mode, the setting temperature is un-adjustable.
As shown in Fig.3.4.3.
Fig 3.4.3
3.4.4 Fan Speed Setting
Press Fan button, fan speed of indoor unit will change as below:
As shown in Fig.3.4.4.
Fig.3.4.4

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3.4.5 Swing Control Function
Under on-state of unit, press Function button till the unit enters swing control function and then press “Enter/cancel
“ button to turn on “swing” control function.
During swing function, press Function button till the unit enters swing control function and then press Enter/cancel
button to cancel swing control function.
Swing control function setting is shown in Fig 3.4.5
Fig. 3.4.5
3.4.6 Timer Setting
Press Timer button to set timer off of the unit. Under off-state of the unit, press Timer button to set timer on of the
unit in the same way.
Timer on setting: Under off-state of the unit without timer setting, if Timer button is pressed, LCD will display xx.
Hour, with ON blinking. In this case, press▲or ▼button to adjust timer on and then press Timer
to confirm. If Mode button is pressed before pressing Timer button to confirm, timer mode will
be switched to timer off setting mode. In this case, LCD displays xx. Hour, with OFF blinking. In
this case, press▲or ▼button to adjust timer off and then press Timer to confirm. When LCD
displays xx. Hour On Off, xx. Hour means time of timer on, but time of timer off won’t be
displayed.
Timer off setting: Under on-state of the unit without timer setting, if Timer button is pressed, LCD will display xx.
Hour, with OFF blinking. In this case, press▲or ▼button to adjust timer on and then press
Timer to confirm. If Mode button is pressed before pressing Timer button to confirm, timer mode

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will be switched to timer on setting mode. In this case, LCD displays xx. Hour, with ON blinking.
In this case, press▲or ▼button to adjust timer on and then press Timer button to confirm. When
LCD displays xx. Hour On Off, xx. Hour means time of timer off, but time of timer on won’t be
displayed.
Cancel timer: After setting of timer, if Timer button is pressed, LCD won’t display xx. Hour so that timer setting
is canceled.
Timer off setting under on-state of the unit is shown as Fig.3.4.6
Fig. 3.4.6 Timer setting under on state of the unit
Timer range: 0.5-24hr. Every press of▲or ▼button will make setting time increased or decreased by 0.5hr.If press
either of them continuously, setting time will automatically increase/ decrease by 0.5hr every 0.5s.
Note:
1. If both timer on and timer off are set in unit on interface, the wired controller only display time of time off. If both
of them are set in unit off-state, only time of timer on is displayed.
2. Timer on in unit on-state is timed from the time of unit off and timer off in unit off-state is timed from the time of
unit on.

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3.4.7 Air Exchange Setting＊
Turn on air Exchange function:
Under on-state of the unit, press Function button to go to the this function setting (Air mark blinks).AIR 1 displayed
at the ambient temperature-displayed location (888) is defaulted (the last type of AIR will be displayed after
adjustment).Press ▲or ▼button to adjust air type. Press Enter/Cancel button to turn on/off air function. After
turning on this function, the air mark shows.
There are 10 types of AIR, but only 1-2 types are for remote control. Refer to the following details:
1――The unit continuously runs for 60min, and fresh air valve runs for 6 min.
2――The unit continuously runs for 60min, and fresh air valve runs for 12 min.
3――The unit continuously runs for 60min, and fresh air valve runs for 18 min.
4――The unit continuously runs for 60min, and fresh air valve runs for 2 4 min.
5――The unit continuously runs for 60min, and fresh air valve runs for 30 min.
6――The unit continuously runs for 60min, and fresh air valve runs for 36 min.
7――The unit continuously runs for 60min, and fresh air valve runs for 42 min.
8――The unit continuously runs for 60min, and fresh air valve runs for 48 min.
9――The unit continuously runs for 60min, and fresh air valve runs for 54 min.
10――The unit continuously runs for 60min, and fresh air valve always runs.
Turn off air Exchange function: During Air function, press Function button to go to the Air function. In this case, air
mark is blinking, and then press Enter/cancel button to turn off this function. Air mark will subsequently disappear.
Air Exchange setting is shown as in fig.3.4.7:
Fig.3.4.7 Air exchange device
Note: In air exchange mode, press Function button or there is not any operation within 5s after the last button
operation, the system will be quit from air exchange setting and current energy-saving data won’t be
memorized.

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3.4.8 Sleep Setting
Sleep on: Press Function button under on-state of the unit into sleep function and then press Enter/cancel button to
turn on sleeping function.
Sleep off: During sleep on-state, press Function button to go to the sleep function and then press Enter/cancel
button to turn off this function.
Sleep setting is shown as Fig.3.4.8:
Fig.3.4.8 Sleep setting
Sleep setting is clear after power failure and then power recovery. There is not sleep function in fan and auto mode.
Note: In cooling and dry mode, if the unit with sleep function has run for 1 hour, the preset temperature will be
increased by 1°C and 1°C in another 1 hour. After that, the unit will run at this temperature. In heating mode,
if the unit with sleep function has run for 1 hour, the preset temperature will be decreased by 1°C and 1°C in
another 1 hour. After that, the unit will run at this temperature.

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3.4.9 Turbo Function Setting
TURBO function: The unit at high fun speed can realize quick cooling or heating so that room temperature can
quickly approach setting temperature.
In cooling or heating mode, press Function button till the unit enters TURBO function and then
press Enter/cancel button to turn on TURBO function.
During TURBO function, press Function button till the unit enters TURBO function and then
press Enter/cancel button to cancel TURBO function.
TURBO function setting is shown in Fig.3.4.9 :
Fig.3.4.9 Turbo Function Setting
Note:
1. TURBO function will be turned off after power failure and then recovery. In dry, fan and auto mode, TURBO
function can not be set and TURBO mark won’t be displayed.
2. TURBO function will be automatically canceled after setting of quiet function.

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3.4.10 SAVE Function Setting
Energy Saving Function: Energy saving can make the air conditioner runs in a smaller temperature range by setting
lower limited value of setting temperature in cooling or dry mode and upper limited value
in heating mode.
Energy Saving Setting for Cooling
Under on-state and in cooling or dry mode of the unit, press Function button into energy saving function , with
SAVE blinking .Press ▲or ▼button to adjust lower limited value of setting temperature in cooing mode. After that
press Enter/Cancel button to turn on energy saving function for cooling.
Energy Saving Setting for Heating
Under on state and in heating mode of the unit, press Function button into energy saving function, with SAVE
blinking. Press Mode button into energy saving function for heating and then press▲or ▼button to adjust upper
limited value of setting temperature in heating mode. After that, press Enter/Cancel button to turn on energy saving
function for heating.
After energy saving function is turned on, press Function button into energy saving function and press Enter/cancel
to cancel this function.
The energy saving setting is shown in the fig.3.4.10.
Fig.3.4.10 Energy Saving Setting
Note:
1. In Auto running mode with save function on, the unit will be forcibly quit Auto running Mode and change to
current operation mode, After setting of save, sleep function will be canceled.
2. In save mode, if Function button is pressed or there is not any operation within 5s after the last button operation,
the system will be quit from save function setting and current data won’t be memorized.
3. After power failure and then recovery, save function setting will be memorized.
4. The lower limited value in cooling mode is 16°C and the upper limited value in heating mode is 30°C.
5. After save setting, if the setting temperature is out of the range in the mode, the limited value will prevail.

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3.4.11 E-HEATER Setting＊
E-HEATER: In the heating mode, E-heater is allowed to be turned on for improvement of efficiency.
If heating mode is turned on by button operation, auxiliary electric heating function will be
automatically turned on.
Press Function button in heating mode to go to the auxiliary electric heating function, the E-HEATER
blinking, and press Enter/cancel button to turn on this function. In this case, the E-HEATER will be
displayed, which means E-heater is allowed to be turned on.
If auxiliary electric heating function is on, press Function button to confirm or press Enter/cancel
button to cancel. In this case, E-HEATER won’t be displayed, which means E-heater is prohibited to be
turned on.
The setting of this function is shown as Fig.3.4.11 below:
Fig. 3.4.11 Auxiliary Electric Heating Function Setting
Note:
E-HEATER can not be set in cooling, dry and fan mode, E-HEATER mark won’t be displayed. The setting is
shown in Fig.3.4.11.

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3.4.12 Blow Function Setting
BLOW function: After the unit is turned off, water in evaporator of indoor unit will be automatically evaporated to
avoid mildew.
In cooling and dry mode, press Function button till the unit enters BLOW function, with
BLOW blinking, and then press Enter/cancel button to turn on this function.
In BLOW mode, press Function button till the unit enters BLOW function and then press
Enter/cancel button to cancel this function.
BLOW function setting is shown in Fig.3.4.12
Fig. 3.4.12 Blow function setting
Note:
1.After setting BLOW function, turn off the unit by pressing On/Off button on remote controller, indoor fan will run
at low fan speed for 10 min. (BLOW shows).Meanwhile, if BLOW function is canceled indoor fan will be turned
off directly.
2.There is not BLOW function in fan or heating mode.

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3.4.13 Quiet Function Setting
Quiet function consists of two kinds: QUIET and AUTO QUIET.
Press Function button till the unit enters quiet function setting state, Quiet or Auto Quiet mark blinks. In this case,
press▲or ▼button to switch between Quiet and Auto Quiet and then press Enter/cancel button to turn on this
function.
In quiet mode, press Function button till the unit enters quiet function. In this case, Quiet or Auto Quiet icon blinks
and then press Enter/cancel button to cancel this function.
Quiet function setting is shown in Fig.3.4.13
Fig. 3.4.13 Quiet function setting
Note:
1. During quiet function, fan speed is un-adjustable.
2. When turning on auto quiet function, the unit will enter quiet running state according to temperature difference
between room temperature and setting temperature. In this case, fan speed is adjustable. If temperature difference
between room temperature and setting temperature ≥4°C, fan will keep its current speed; if 2°C≤temperature
difference ≤3℃; fan speed will be reduced by one grade ,but if it is at minimun. grade, it is un-adjustable.; if
temperature difference ≤1°C, fan speed will be at minimun grade
3. In auto quiet mode, fan speed can not be raised but reduced. If high fan speed is manually adjusted, auto quiet
mode will quit.
4. There is not auto quiet function in fan or dry mode. Quiet off is default after power failure and then power
recovery.
5. If quite function is set, turbo function will be canceled.