Operation manual
1
LREQ5~20B7Y1
Air cooled refrigeration condensing unit
4PW74303-1C – 2016.02
CONTENT
1. SAFETY PRECAUTIONS.......................................................... 1
2. NAME OF PART........................................................................ 3
2-1 In the case of LREQ5, LREQ6, LREQ8, LREQ10, LREQ12 ..3
2-2 In the case of LREQ15, LREQ20....................................... 3
3. SYSTEM CONFIGURATION..................................................... 3
8. INSPECTION............................................................................. 4
9. PRODUCT MODELS AND MAIN SPECIFICATIONS ............... 5
9-1 Models and Main Specifications. ....................................... 5
10. AFTER-SALE SERVICE............................................................ 6
The English text is the original instruction. Other languages are
translations of the original instructions.
Thank you for purchasing this Daikin condensing unit. Carefully read
this operation manual before using the condensing unit. It will tell you
how to use the unit properly and help you if any trouble occurs.
Important information regarding the refrigerant used
This product contains fluorinated greenhouse gases. Do not vent
gases into the atmosphere.
Refrigerant type: R410A
Global warming potential (GWP) value: 2087.5
CAUTION
In Europe, the
greenhouse gas emissions
of the total
refrigerant charge in the system (expressed as tonnes CO
2
-
equivalent) is used to determine the maintenance intervals.
Follow the applicable legislation.
Formula to calculate the greenhouse gas emissions:
GWP
value of the refrigerant × Total refrigerant charge [in kg] / 1000
Please contact your installer for more information.
1. SAFETY PRECAUTIONS
To gain full advantage of the condensing unit’s functions and to avoid
malfunction due to mishandling, please read this operation manual
carefully before use.
This condensing unit is classified under “appliances not accessible to
the general public”.
•
The precautions described herein are classified as WARNING
and CAUTION. They both contain important information
regarding safety. Be sure to observe all precautions without fail.
WARNING
................ Failure to follow these instructions
properly may result in personal injury or
loss of life.
CAUTION
................. Failure to observe these instructions
properly may result in property damage
or personal injury, which may be serious
depending on the circumstances.
•
After reading, keep this manual in a convenient place so that
you can refer to it whenever necessary. If the equipment is
transferred to a new user, be sure also to hand over the
manual.
WARNING
Be aware that prolonged, direct exposure to cool or warm air
from the air conditioner, or to air that is too cool or too warm
can be harmful to your physical condition and health.
When the condensing unit is malfunctioning (giving off a
burning odour, etc.) turn off the power to the unit and
contact your local dealer.
Continued operation under such circumstances may result in a
failure, electric shocks or fire hazards.
Consult your local dealer about installation work.
Doing the work yourself may result in water leakage, electric
shocks or fire hazards.
Consult your local dealer regarding modification, repair and
maintenance of the condensing unit.
Improper workmanship may result in water leakage, electric
shocks or fire hazards.
Do not place objects, including rods, your fingers, etc., in the
air inlet or outlet.
Injury may result due to contact with the condensing unit’s
highspeed fan blades.
Never touch the air outlet or the horizontal blades while the
swing flap is in operation.
Fingers may become caught or the unit may break down.
Beware of fire in case of refrigerant leakage.
If the condensing unit is not operating correctly (i.e. the interior
temperature of the condensing unit does not drop efficiently),
refrigerant leakage could be the cause.
Consult your dealer for assistance.
The refrigerant used for the condensing unit is safe and normally
does not leak.
However, if the refrigerant leaks and gets in contact with a naked
burner, heater or cooker, it may generate hazardous compounds.
Turn off the condensing unit and call the dealer. Make sure to turn
on the condensing unit after the qualified service person confirms
that the leakage is repaired.
Consult your local dealer regarding what to do in case of
refrigerant leakage.
When the condensing unit is to be installed in a small room, it is
necessary to take proper measures so that the amount of any
leaked refrigerant does not exceed the concentration limit in the
event of a leakage. Otherwise, this may lead to an accident due
to oxygen depletion.
Contact professional personnel about attachment of
accessories and be sure to use only accessories specified
by the manufacturer.
If a defect results from your own workmanship, it may result in
water leaks, electric shock or fire.
Consult your local dealer regarding relocation and
reinstallation of the condensing unit.
Improper installation work may result in leakage, electric shocks
or fire hazards.
Be sure to use fuses with the correct ampere reading.
Do not use improper fuses, copper or other wires as a substitute,
as this may result in electric shock, fire, injury or damage to the
unit.
Be sure to install an earth leakage breaker.
Failure to install an earth leakage breaker may result in electric
shocks or fire.
Be sure to earth the unit.
Do not earth the unit to a utility pipe, lightning conductor or
telephone earth lead. Imperfect earthing may result in electric
shocks or fire.
A high surge current from lightning or other sources may cause
damage to the condensing unit.
Consult the dealer if the condensing unit submerges owing to
a natural disaster, such as a flood or typhoon.
Do not operate the condensing unit in that case, or otherwise a
malfunction, electric shock, or fire may result.
Start or stop the air conditioner with the remote controller.
Never use the power circuit breaker for this purpose.
Otherwise, it may cause fire or water leakage.
Furthermore, because power failure compensation is set, the fan
will rotate abruptly, which may result in injury.
LREQ5B7Y1
LREQ12B7Y1
LREQ6B7Y1
LREQ15B7Y1
LREQ8B7Y1
LREQ20B7Y1
LREQ10B7Y1
Air cooled refrigeration condensing unit
Operation manual
4PWEN74303-1C.book Page 1 Thursday, March 10, 2016 10:59 AM
