Daikin EWYQ F Serie Manual De Instalación, Operación Y Mantenimiento página 17

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6.
Unless there is a specific agreement at the time of
ordering, the evaporator water flow rate must never be
above 120% and below 80% of the nominal flow rate.
Periodic obligatory checks and starting up of
appliances under pressure
The units are included in category III of the classification
established by the European Directive PED 97/23/EC.
General:
Reading of operating data (Note 3)
Visual inspection of unit for any damage and/or loosening
Verification of thermal insulation integrity
Clean and paint where necessary
Analysis of water (5)
Check of flow switch operation
Electrical:
Verification of control sequence
Verify contactor wear – Replace if necessary
Verify that all electrical terminals are tight – Tighten if necessary
Clean inside the electrical control board
Visual inspection of components for any signs of overheating
Verify operation of compressor and electrical resistance
Measure compressor motor insulation using the Megger
Refrigeration circuit:
Check for any refrigerant leakage
Verify refrigerant flow using the liquid sight glass – Sight glass full
Verify filter dryer pressure drop
Analyse compressor vibrations
Analyse compressor oil acidity (Note 6)
Condenser section:
Clean condenser banks (Note 4)
Verify that fans are well tightened
Verify condenser bank fins – Comb if necessary
Notes:
1.
Monthly activities include all the weekly ones.
2.
The annual (or early season) activities include all weekly and monthly activities.
3.
Unit operating values should be read on a daily basis thus keeping high observation standards.
4.
In environments with a high concentration of air-borne particles, it might be necessary to clean the condenser bank more often.
5.
Check for any dissolved metals.
6.
TAN (Total Acid Number) :
Important information regarding the refrigerant used
This product contains fluorinated greenhouse gases covered
by the Kyoto Protocol. Do not vent gases into the atmosphere.
Refrigerant type:
GWP(1) value:
(1)GWP =
The refrigerant quantity necessary for standard operation is
indicated on the unit name plate.
Real refrigerant quantity charged in the unit is listed on a silver
sticker inside the electrical panel.
Periodical inspections for refrigerant leaks may be required
depending on European or local legislation.
Please contact your local dealer for more information.
This manual is a technical aid and does not represent a binding offer. The content cannot be held as explicitly or implicitly guaranteed as complete, precise
or reliable. All data and specifications contained herein may be modified without notice. The data communicated at the moment of the order shall hold firm.
The manufacturer shall assume no liability whatsoever for any direct or indirect damage, in the widest sense of the term, ensuing from or connected with
the use and/or interpretation of this manual.
We reserve the right to make changes in design and construction at any time without notice, thus the cover picture is not binding.
Table 2 - Routine maintenance programme
List of Activities
≤ 0,10 : No action
Between 0.10 and 0.19 : Replace anti-acid filters and re-check after 1000 running hours. Continue to replace filters
until the TAN is lower than 0.10.
> 0,19 : Replace oil, oil filter and filter dryer. Verify at regular intervals.
R410A
1975
Global Warming Potential
For chillers belonging to this category, some local regulations
require a periodic inspection by an authorized agency. Please
check with your local requirements.
Lifetime
The lifetime of our products is 10 (ten) years.
Weekly
X
X
Disposal
The unit is made of metal, plastic and electronic parts. All
these parts must be disposed of in accordance with the local
regulations in terms of disposal.
Lead batteries must be collected and sent to specific refuse
collection centres.
Oil must be collected and sent to specific refuse collection
centres.
D-EIMHP00604-14EU - 17/208
Monthly
Yearly/Seas
(Note 1)
onal
(Note 2)
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X

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