Delta 26WC009I24-028DWG User manual

www.delta-dct.com
MINI SPLIT INVERTER- INSPIRE Ultra 16
INSTRUCTION MANUAL
WARNING!
Read and follow all safety precautions in
Instruction Manual - improper use can cause
serious injury.
26WC Series

26WC012I24-035DWG
26WC018I24-053DWG
26WC024I24-070DWG
26WC009I24-028DWG

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.
Children should be supervised to ensure they are away from the appliance.
Do not dispose this product as unsorted municipal waste. Collection of
such waste separately for special treatment is necessary.
Content
Operation Notices
Precautions............................................................................................................1
Parts name............................................................................................................6
Screen Operation Guide
Buttons on remote controller .................................................................................7
Introduction for icons on display screen ................................................................7
Introduction for buttons on remote controller.........................................................8
Function introduction for combination buttons.....................................................10
Operation guide...................................................................................................11
Replacement of batteries in remote controller.....................................................11
Emergency operation ..........................................................................................12
Maintenance
Clean and maintenance.......................................................................................12
Malfunction
Malfunction analysis............................................................................................15
Installation Notice
Installation dimension diagram............................................................................19
Tools for installation.............................................................................................20
Selection of installation location ..........................................................................20
Requirements for electric connection..................................................................21
Installation
Installation of indoor unit......................................................................................22
Installation of outdoor unit ...................................................................................27
Vacuum pumping.................................................................................................30
Leakage detection...............................................................................................30
Check after installation........................................................................................31
Test and operation
Test operation......................................................................................................31
Attachment .........................................................................32
Pipe expanding method.......................................................................................34

Precautions
WARNING
Do not connect air conditioner to multi-purpose socket.
This appliance can be used by children aged from 8
Operation and Maintenance
If the supply cord is damaged, it must be replaced by
the manufacturer, its service agent or similarly qualified
persons in order to avoid a hazard.
Do not spray water on indoor unit. It may cause electric
shock or malfunction.
Otherwise, it may cause fire hazard.
Children shall not play with the appliance.
Cleaning and user maintenance shall not be made by
children without supervision.
years and above and persons with reduced physical,
sensory or mental capabilities or lack of experience
and knowledge if they have been given supervision or
instruction concerning use of the appliance in a safe
way and understand the hazards involved.
Do not wash the air conditioner with water to avoid
electric shock.
After removing the filter, do not touch fins to avoid injury.
Do not use fire or hair dryer to dry the filter to avoid
deformation or fire hazard.
Do disconnect power supply when cleaning air
conditioner. Otherwise, it may cause electric shock.
.
1

Do not block air outlet or air inlet. It may cause
malfunction.
remote controller may be broken.
●Power cord is overheating or damaged.
●There’s abnormal sound during operation.
●Circuit break trips off frequently.
●Air conditioner gives off burning smell.
●Indoor unit is leaking.
contact the dealer or qualified professionals for service.
When turning on or turning off the unit by emergency
operation switch, please press this switch with an insulating
object other than metal.
outlet. It may cause personal injury or damage.
Precautions
WARNING
conditioner and disconnect power immediately, and then
If the air conditioner operates under abnormal conditions,
it may cause malfunction, electric shock or fire hazard.
Do not spill water on the remote controller, otherwise the
electric shock or damage. Please contact dealer when
you need to repair air conditioner.
Do not repair air conditioner by yourself. It may cause
objects. It may cause damage or personal injury.
Do not step on top panel of outdoor unit, or put heavy
When below phenomenon occurs, please turn off air
Do not extend fingers or objects into air inlet or air
Maintenance must be performed by qualified
professionals. Otherwise, it may cause personal injury
or damage.
2

Do install the circuit break. If not, it may cause malfunction.
of at least 3mm in all poles should be connected in fixed
wiring.
magnet buckle and heating buckle function, it can protect
the circuit-short and overload.
power supply circuit and circuit break.
Precautions
WARNING
note the following table.Air switch should be included
Make sure the power supply matches with the
requirement of air conditioner.Unstable power supply or
incorrect wiring or malfunction. Please install proper power
supply cables before using the air conditioner.
An all-pole disconnection switch having a contact separation
Must follow the electric safety regulations when installing
the unit.
grounding wire of power socket.
Properly connect the live wire, neutral wire and
any work related to electricity and safety.
Be sure to cut off the power supply before proceeding
Including an circuit break with suitable capacity, please
Air Conditioner should be properly grounded. Incorrect
Don't use unqualified power cord.
grounding may cause electric shock.
According to the local safety regulations, use qualified
Installation must be performed by qualified professionals.
Otherwise, it may cause personal injury or damage.
Attachment
3

Installation must be performed in accordance with the
persons in order to avoid a hazard.
must be properly grounding with specialized grounding
device by a professional. Please make sure it is always
grounded effectively, otherwise it may cause electric shock.
The appliance must be positioned so that the plug is
accessible.
If the length of power connection wire is insufficient, please
contact the supplier for a new one. Avoid extending the
wire by yourself.
All wires of indoor unit and outdoor unit should be
connected by a professional.
national wiring regulations.
requirement of NEC and CEC by authorized personnel
only.
Precautions
WARNING
wire, which can't be used for other purposes.
The grounding resistance should comply with national
electric safety regulations.
The air conditioner is the first class electric appliance. It
keep the interconnection cable away from the copper
tube.
The temperature of refrigerant circuit will be high, please
the manufacturer, its service agent or similarly qualified
If the supply cord is damaged, it must be replaced by
The yellow-green wire in air conditioner is grounding
The appliance shall be installed in accordance with
Do not put through the power before finishing installation.
4

The indoor unit should be installed close to the wall.
Instructions for installation and use of this product are
provided by the manufacturer.
Precautions
WARNING
place, only the qualified person can perform the work.
Otherwise, it may cause personal injury or damage.
If you need to relocate the air conditioner to another
must be installed in the line.
For the air conditioner without plug, an circuit break
far away from animals or plants.If it is unavoidable,
please add the fence for safety purpose.
Select a location which is out of reach for children and
reachable after finishing installation.
For the air conditioner with plug, the plug should be
Working temperature range
NOTICE:
5
Indoor side DB/WB(℃) Outdoor side DB/WB(℃)
Maximum cooling 32/23 43/26
Maximum heating 27/- 24/18
●The operating temperature range (outdoor temperature) for cooling only unit is
18℃~43℃; for heat pump unit is -7℃~ 43℃.

6
(Display content or position may be different from above
graphics, please refer to actual products)
Parts name
Indoor Unit
Outdoor Unit
air inlet
panel
aux.button
horizontal louver
air outlet
heating
indicator temp. indicator
cooling
indicator power indicator receiver window
drying
indicator
display
remote control
air inlet
handle
air outlet
NOTICE:
Actual product may be different from above graphics, please refer to actual
products.

7
Buttons on remote controller
Introduction for icons on display screen
21
3
4 5
6 7
1
3
5
2
4
6
7
ON/OFF button
MODE button
+/- button
FAN button
SWING button
SLEEP button
TIMER button
Timer on Timer off Sending signal
swing operation
sleep operation
lock
set speed
Set timeSet temperature
heat operation
fan operation
dry operation
cool operation
auto operation

8
Introduction for buttons on remote controller
Note:
● When power is connected(stand by condition), you can operate the air conditioner
through the remote controller.
● When unit is on, each time you press the button on remote controller, the sending
signal icon " " on the display of remote controller will blink once. If the air con-
ditioner gives out a beep sound, it means the signal has been sent.
● When unit is off, set temperature will be displayed on the remote controller (If the
light of indoor unit display is turned on, the corresponding icon will be displayed);
When unit is on, it will display the icon of the on-going function.
Press this button to turn unit on/off.
ON/OFF button
1
Pressing this button once can select your required mode circularly as below (the
corresponding icon " " will be lit up after the mode is selected):
●
When selecting auto mode, air conditioner will operate automatically according to
ambient temperature. Set temperature can't be adjusted and won't be displayed
either. Press FAN button to adjust fan speed.
● When selecting cool mode, air conditioner will operate under cool mode. Then
press + or - button to adjust set temperature. Press FAN button to adjust fan speed.
● When selecting dry mode, air conditioner will operate at low fan speed under dry
mode. In dry mode, fan speed can't be adjusted.
● When selecting fan mode, air conditioner will operate in fan mode only. Then
press FAN button to adjust fan speed.
● When selecting heat mode, air conditioner will operate under heat mode. Then
press + or - button to adjust set temperature. Press FAN button to adjust fan speed.
(Cooling only unit can’t receive heating mode signal. If set HEAT mode by remote
controller, press ON/OFF button can’t turn on the air conditioner.)
AUTO COOL DRY FAN HEAT(Only for models with heating function.)
MODE button
2
● Pressing + or - button once will increase or decrease set temperature by 1°F(°C).
Hold + or - button for 2s, set temperature on remote controller will change quickly.
Release the button after your required set temperature is reached.
● When setting Timer On or Timer Off, press + or - button to adjust the time. (See
TIMER Button for setting details)
+ / - button
3

9
Introduction for buttons on remote controller
Note:
● Under Auto speed, air conditioner will select proper fan speed automatically
according to ambient temperature.
● Fan speed can't be adjusted under Dry mode.
Pressing this button can select fan speed circularly as: AUTO, SPEED 1 ( ),
SPEED 2 ( ), SPEED 3 ( ), SPEED 4 ( ) .
AUTO
FAN button
4
Press this button to turn on up&down air swing.
SWING button
5
Under Cool, Heat and Dry mode, press this button to turn on Sleep function. Press
this button to cancel Sleep function. Under Fan and Auto mode, this function is
unavailable.
SLEEP button
6
● When unit is on, press this button to set Timer Off. T-OFF and H icon will be
blinking. Within 5s, press + or - button to adjust the time for Timer Off. Pressing
+ or - button once will increase or decrease the time by 0.5h. Hold + or - button
for 2s, time will change quickly. Release the button after your required set time
is reached. Then press TIMER button to confirm it. T-OFF and H icon will stop
blinking.
● When unit is off, press this button to set Timer On. T-ON and H icon will be
blinking. Within 5s, press + or - button to adjust the time for Timer On. Pressing
+ or - button once will increase or decrease the time by 0.5h. Hold + or - button
for 2s, time will change quickly. Release the button after your required set time
is reached. Then press TIMER button to confirm it. T-ON and H icon will stop
blinking.
● Cancel Timer On/Off: If Timer function is set up, press TIMER button once to
review the remaining time. Within 5s, press TIMER button again to cancel this
function.
TIMER button
7

10
Introduction for buttons on remote controller
Function introduction for combination buttons
Press “+” and “-” buttons simultaneously can turn on or turn off child lock function.
When child lock function is started up, LOCK indicator on remote controller is ON.
If you operate the remote controller, remote controller won’t send signal.
Note:
● Range of time setting is: 0.5~24h
●The interval between two motions can't exceed 5s, otherwise the remote con-
troller will exit setting status.
Child lock function
Temperature display switchover function
Under OFF status, press “-” button and “MODE” button simultaneously can switch
between °C and °F.

11
Operation guide
Replacement of batteries in remote controller
● During operation, point the remote control signal sender at the receiving
window on indoor unit.
● The distance between signal sender and receiving window should be no more
than 8m, and there should be no obstacles between them.
or wireless telephone; remote controller should be close to indoor unit during
operation.
● Replace new batteries of the same model when replacement is required.
● When you don’t use remote controller for a long time, please take out the
batteries.
● If the display on remote controller is fuzzy or there’s no display, please
replace batteries.
1. After putting through the power, press "ON/OFF" button on remote controller to
turn on the air conditioner.
2. Press "MODE" button to select your required mode: AUTO, COOL, DRY, FAN,
HEAT.
3. Press "+" or "-" button to set your required temperature. (Temperature can’t be
adjusted under auto mode).
4. Press "FAN" button to set your required fan speed: auto, low, medium and high
speed.
5. Press "SWING" button to select fan blowing angle.
reinstall
remove
battery
cover of battery box
1. Press the back side of remote controller on the
spot marked with " ", and then push out the
cover of battery box along the arrow direction.
2. Replace two No.7 (AAA 1.5V) dry batteries and
make sure the positions of + and- polar are
correct.
3. Reinstall the cover of battery box.
NOTICE

12
Emergency operation
If remote controller is lost or damaged, please use auxiliary button to turn
on or turn off the air conditioner. The operation in details are as below:
air conditioner. When the air conditioner is turned on, it will operate under
auto mode.
aux. button
panel
Clean and maintenance
■Turn off the air conditioner and disconnect the power before cleaning the air
conditioner to avoid electric shock.
■ Do not wash the air conditioner with water to avoid electric shock.
■ Do not use volatile liquid to clean the air conditioner.
Clean surface of indoor unit
When the surface of indoor unit is dirty, it is recommended to use a soft dry cloth
or wet cloth to wipe it.
NOTICE:
● Do not remove the panel when cleaning it.
WARNING

13
Clean and maintenance
1
2
3
4
Open panel
Pull out the panel to a certain ● Use dust catcher or water to
the water (below 45℃) to clean
it, and then put it in a shady
and cool place to dry.
panel cover tightly.
operation environment, clean frequency can be increased.
WARNING

14
Clean and maintenance
1. Check whether air inlets and air outlets are blocked.
2. Check whether circuit break, plug and socket are in good condition.
4. Check whether mounting bracket for outdoor unit is damaged or corroded.
If yes, please contact dealer.
5. Check whether drainage pipe is damaged.
1. Disconnect power supply.
3. Check whether mounting bracket for outdoor unit is damaged or corroded.
If yes, please contact dealer.
Notice for recovery
1. Many packing materials are recyclable materials.
Please dispose them in appropriate recycling unit.
2. If you want to dispose the air conditioner, please contact local dealer or
consultant service center for the correct disposal method.
NOTICE: Checking before use-season
NOTICE: Checking after use-season

15
Malfunction analysis
General phenomenon analysis
Please check below items before asking for maintenance. If the malfunction still
can’t be eliminated, please contact local dealer or qualied professionals.
Phenomenon Check items Solution
Indoor unit
can’t receive
remote
controller’s
signal or
remote
controller
has no
action.
● Whether it's interfered severely
(such as static electricity, stable
voltage)?
● Whether remote controller is
within the signal receiving
range?
● Whether there are obstacles?
● Whether remote controller is
pointing at the receiving
window?
● Is sensitivity of remote contro-
ller low; fuzzy display and no
display?
● No display when operating
remote controller?
● Fluorescent lamp in room?
● Pull out the plug. Reinsert
the plug after about 3min, and
then turn on the unit again.
● Signal receiving range is 8m.
● Remove obstacles.
● Select proper angle and point
the remote controller at the re-
ceiving window on indoor unit.
● Check the batteries. If the
power of batteries is too low,
please replace them.
● Take the remote controller
close to indoor unit.
● Turn off the uoresent lamp
and then try it again.
● Check whether remote cont-
roller appears to be damaged.
If yes, replace it.
No air
emitted
from
indoor
unit
● Air inlet or air outlet of indoor
unit is blocked? ● Eliminate obstacles.
● Under heating mode, indoor
temperature is reached to set
temperature?
● After reaching to set temper-
ature, indoor unit will stop bl-
owing out air.
● Heating mode is turned on just
now? ● In order to prevent blowing out cold air, indoor unit will be
started after delaying for sev-
eral minutes, which is a nor-
mal phenomenon.

16
Malfunction analysis
● Power failure?
● Is plug loose?
● Circuit break trips off or
fuse is burnt out?
● Wiring has malfunction?
● Unit has restarted immediately
after stopping operation?
● Whether the function setting
for remote controller is
correct? ● Reset the function.
● Wait for 3min, and then turn
on the unit again.
● Ask professional to replace it.
● Ask professional to replace
circuit break or fuse.
● Reinsert the plug.
● Wait until power recovery.
Air condit-
ioner can’t
operate
Mist is em-
itted from
indoor unit’s
air outlet
● Indoor temperature and hum-
idity is high?
● Because indoor air is cooled
rapidly. After a while, indoor
temperature and humidity will
be decrease and mist will
disappear.
Phenomenon Check items Solution
Set temper-
ature can’t
be adjusted
● Unit is operating under auto
mode?
● Temperature can’t be adju-
sted under auto mode.
Please switch the operation
mode if you need to adjust
temperature.
● Your required temperature
exceeds the set temperature
range?
● Set temperature range:
16℃~30℃.
Cooling
(heating)
effect is
not good.
● Voltage is too low? ● Wait until the voltage
resumes normal.
● Filter is dirty? ● Clean the lter.
● Set temperature is in proper
range? ● Adjust temperature to proper
range.
● Door and window are open? ● Close door and window.

17
Phenomenon Check items Solution
Odours are
emitted
● Whether there’s odour source,
such as furniture and cigarette,
etc.
● Eliminate the odour source.
● Clean the lter.
Air conditio-
ner operates
abnormally
● Whether there’s interference,
such as thunder, wireless
devices, etc.
● Disconnect power, put back
power, and then turn on the
unit again.
Outdoor
unit has
vapor
● Heating mode is turned on?
● During defrosting under he-
ating mode, it may generate
vapor, which is a normal
phenomenon.
“Water
owing”
noise
● Air conditioner is turned on or
turned off just now?
● The noise is the sound of
refrigerant owing inside
the unit, which is a normal
phenomenon.
Cracking
noise
● Air conditioner is turned on or
turned off just now?
● This is the sound of friction
caused by expansion and/or
contraction of panel or other
parts due to the change of
temperature.
Malfunction analysis