Delta 21CK018C24 Instruction Manual page 62

Items to check
Is the indoor unit fixed firmly?
Is the gas leakage test finished?
Is the unit fully insulated?
Does drainage flow smoothly?
Does the power supply voltage correspond to
that shown on the nameplate?
Are wiring and piping correct?
Is the unit safely grounded?
Is wiring size according to specifications? The unit may malfunction or the components burn
Is something blocking the air outlet or
intake of either the indoor or outdoor unit?
Have records of refrigerant piping length
and additional refrigerant change been
made?
Note to the installer:
Be sure to instruct the customer how to operate the system and show him/her the attached operation
manual.
Be sure the electric supply that user applies is beyond the bounds of tolerances (+/-10%, +/-1Hz).
The ambient temperature should be at 5-52°C, and the humidity at 30-95%.
Appendix:
Air conditioner nominal working condition and working range:
Test condition
Nominal cooling
Nominal heating
Rated cooling
Low temp. cooling
Rated heating
Low temp. heating
Note:
The design of this unit conforms to the requirements of ISO 5151standard.
WARNING!
This appliance is not intended for use by persons (including children) with reduced physical
sensory or capabilities, or leak of experience and knowledge, unless they have been given
supervision on instruction concerning use of appliance by a person responsible for their safety.
Children should be supervised to ensure that they do not play with the appliance.
Indoor side
℃
DB( )
27 19
20 --
32 23
21 15
27 --
20 --
If not properly done, what is likely to happen
The unit may drop, vibrate or make noise.
It may result in insufficient cooling.
Condensate water may drip.
Condensate water may drip.
The unit may malfunction or the components burn
out.
The unit may malfunction or the components burn
out.
Risk of electric leakage.
out.
It may result in insufficient cooling.
Volume of refrigerant change in the system is not
clear.
Outdoor side
℃
WB( )
35
7
52
18
24
-7
61
℃
DB( ) WB( )
24
6
31
--
18
-8
℃