Int
r
oduction
2
Domestic air conditioner
1.2 Safety Cautions
Be sure to read the following safety cautions before conducting repair work.
The caution items are classified into “Warning” and “Caution”. The “Warning” items are especially important
since they can lead to death or serious injury if they are not followed closely. The “Caution” items can also lead
●
to serious accidents under some conditions if they are not followed. Therefore, be sure to observe all the safety
caution items described below.
About the pictograms
△
This symbol indicates an item for which caution must be exercised.
The pictogram shows the item to which attention must be paid.
○ This symbol indicates a prohibited action.
The prohibited item or action is shown inside or near the symbol.
● This symbol indicates an action that must be taken, or an instruction.
The instruction is shown inside or near the symbol.
After the repair work is complete, be sure to conduct a test operation to ensure that the equipment operates
Normally, and explain the cautions for operating the product to the customer.
Check the embedded wire are four roots, L/N/COM/GND; GND is needed, if
●
not, thunder or high voltage wave
from power grid will impact to the performance
●
Using a multi-meter to test short circuit of the four roots wires, make sure no short circuit happen.
●
1.2.2 Caution in Repair
●
Warning
Be sure to disconnect the power cable plug from the plug socket before disassembling the equipment for
a repair.
Working on the equipment that is connected to a power supply can cause an electrical shook.
If it is necessary to supply power to the equipment to conduct the repair or inspecting the circuits, do not
touch any electrically charged sections of the equipment.
If the refrigerant gas discharges during the repair work, do not touch the discharging refrigerant gas .The
refrigerant gas can cause frostbite.
1.2.1 Embedded wire checking before installation
Check the embedded wire diameter suitable to request:
(Power supply from indoor: 2.5kw ≥1.0mm
2
3.5kw,5kw ≥1.5mm
2
7kw ≥2.5mm
2
; Power supply from outdoor
≥1.0mm
2
)
Содержание 1U50KEPFRA-H
Страница 12: ...Operation range 5 Operation range 15 20 25 30 27 10 Domestic air conditioner 60 43 40 20 0 20 40 21 35...
Страница 14: ...Functions and control 13 Domestic air conditioner Wiring diagrams OUTDOOR UNIT...
Страница 54: ...Performance and curves diagrams 11 3 Cooling discharge pressure curves 54 Domestic air conditioner...
Страница 55: ...Performance and curves diagrams 11 4 Cooling suction pressure curves 55 Domestic air conditioner...
Страница 56: ...Performance and curves diagrams 11 5 Heating capacity temperature curves 56 Domestic air conditioner...
Страница 58: ...Performance and curves diagrams 11 7 Heating discharge pressure curves 58 Domestic air conditioner...
Страница 59: ...Performance and curves diagrams 11 8 Heating suction pressure curves 59 Domestic air conditioner...
