- Тип техники
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Просмотр инструкции кондиционера Daikin JEHSCU-CM3, страница 8
O-CU06-DEC14-1
All specifications are subjected to change by the manufacturer without prior notice. The English te x t is the
original instruction. Other languages are the translations of the original instructions.
8
6. Service and Maintenance
The condensing units are designed to gi ve long life
operation with minimum maint enance. However, they shoul d
be routinely checked and the following service schedule is
recommended under normal circ umstanc es:
The removal of the top, side and front panels ensures that all
parts are accessible.
1. Compressor – Inspect at regular intervals
• Check for refrigerant leaks on all joints and fittings.
• Ensure that no abnormal noise or vibration is
detected during test run.
• Check the compressor oil levels and top up if
required. The oil level should not be lower than
quarter of the compressor oil sight glass. Not
applicable to AE/AJ compressor.
2. Condenser Coil – Clean and inspect at regular intervals
• Remove surface dirt, leaves, f i bers, etc. with a
vacuum cleaner (preferably with a brush or other
soft attachment rather t han a metal tube),
compressed air blown from the inside out, and/or
a soft bristle (not wire!) brus h. Do not impact or
scrape the coil with the vacuum tube, air nozzle,
etc. It may be beneficial to blow or vacuum out the
rinse water from MCHE to speed drying and
prevent pooling.
3. Power Supply – Inspect at regular intervals
• Check the running current and voltage for the
condensing unit.
• Check the electrical wiring and tighten t he wires
onto the terminal blocks if necessary.
Under normal circumst ances:
• Clean condenser coil every three months
• To assure no leakage
• Check and verify operation of all safety devic es
every three months, ensure crankcas e heater is
operational
• Check sight glass and operating conditi ons
• Check security of compressor mountings and the
bolts that hold down the unit each year
7. F-Gas Information
• From 1/1/2015, a new F-Gas Regulation (EU) No
517/2014 comes into force repealing Regulation
(EC) No 842/2006. This will affe ct system
labelling, i nformation suppli ed within
documentation and also the way in which
thresholds f or frequency of leak testing.
• For systems with a charge below 3kg, the
changes to the leak checking regim e will not apply
until 2017. Currently, there is no requirem ent f or
regular leak testing of syst ems with a total charge
below 3kg.
• Changes to leak testing requirements are as
follows:
OLD
LEGISLATION
NEW
LEGISLATION
LE AK CHECKING
FREQUENCY
3-30 kgs
5-50 TCO
2
Eq
Every 12 months but
can be increased to 24
months if fitted with a
fixed leak detecti on
system.
30-300 kgs
50-500
TCO
2
Eq
Every 6 months but can
be increased to 12
months if fitted with a
fixed leak detection
system.
300+ kgs
500+ TCO
2
Eq
Every 6 months -
however automatic leak
detection system is
mandatory which
requires servicing every
12 months.
Important i nformation regarding the refrigerant used
Its functioning rel i es on fluorinated greenhouse
gases
• This product is factory charged with N2.
• The refrigerant system will be charged with
fluorinated greenhouse gases. Do not vent gases
into the atmosphere.
The GWP (Global Warming Potential) values of refrigerants
which are specified for use in this equipm ent along with the
three new thresholds for leak testing requirements based on
TCO
2
Eq (Tonnes CO
2
Equivalent) are as follows:
Refrigerant
GWP
(1)
Refrigerant Charge - kg
5T
50T
500T
CO
2
Eq
CO
2
Eq
CO
2
Eq
R404A
3921.6
1.3
12.7
127
R407A
2107
2.4
23.7
237
R407F
1824.5
2.7
27.4
274
R134a
1430
3.5
35.0
350
Important No te
For scroll compressor: wiring for 3 phases must be
controlled. Supply phase sequence L1, L2 and L3 will affect
the rotating direction of scroll compressor and damage the
compressor.
Service technician should be present at initial start- up to
verify that the supply power is properly phased and that
compressor is rotati ng in the correct directi on.
Important No te
Warning! – Disconnect the mains electrical supply
before servicing or openi ng t he unit
Warning! – Ensure there is no refrigerant in refrigerant
circuit before dismantle it
Warning! – If the supply cord is damaged, it must be
replaced by the qualified service agent i n order to avoid
a hazard.
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