Daikin EWAD~C-SS Manual De Instrucciones página 15

Periodic obligatory checks and starting up of
appliances under pressure
The units are included in category IV of the classification
established by the European Directive PED2014/68EU.
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 (6)
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
Verify oil filter pressure drop (Note 5)
Analyse compressor vibrations
Analyse compressor oil acidity (7)
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. Replace the oil filter when the pressure drop across it reaches 2.0 bar.
6. Check for any dissolved metals.
7. TAN (Total Acid Number) :
Important information regarding the refrigerant used
This product contains fluorinated greenhouse gases. 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.
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.
R134a
1430
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.
Weekly
X
X
D-EIMAC00608-16EU - 15/234
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
X