Daikin EWADC13T-XRC2 [6/23] Operating limits
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Daikin EWADC13T-XRC2 [6/23] Operating limits

Daikin EWADC17T-SLC3 [6/23] Operating limits
D–EIMAC01502–18_02EN - 6/23
or objects and, if necessary, discharge the gas according to the provisions of EN 378-3 and the local regulations
in force.
25. keep all the safety devices in good working order and check them periodically according to the regulations in force
26. keep all lubricants in suitably marked containers
27. do not store inflammable liquids near the unit
28. solder or braze only empty pipes after removing all traces of lubricant oil; do not use flames or other heat sources
close to pipes containing refrigerant fluid
29. do not use naked flames near the unit
30. the machinery must be installed in structures protected against atmospheric discharge according to the applicable
laws and technical standards
31. do not bend or hit pipes containing pressurised fluids
32. it is not permitted to walk or rest other objects on the machines
33. the user is responsible for overall evaluation of the risk of fire in the place of installation (for example, calculation
of the fire load)
34. during transport, always secure the unit to the bed of the vehicle to prevent it from moving about and overturning
35. the machine must be transported according to the regulations in force taking into account the characteristics of
the fluids in the machine and the description of these on the safety data sheet
36. inappropriate transport can cause damage to the machine and even leaking of the refrigerant fluid. Before start-
up, the machine must be checked for leaks and repaired accordingly.
37. the accidental discharge of refrigerant in a closed area can cause a lack of oxygen and, therefore, the risk of
asphyxiation: install the machinery in a well ventilated environment according to EN 378-3 and the local
regulations in force.
38. the installation must comply with the requirements of EN 378-3 and the local regulations in force; in the case of
installations indoors, good ventilation must be guaranteed and refrigerant detectors must be fitted when
necessary.
1.2 Description
The unit you bought is an “air cooled chiller”, a machine aimed to cool water (or water-glycol mixture) within the limits
described in the following. The unit operation is based on vapour compression, condensation and evaporation according
to reverse Carnot cycle. The main components are:
- Screw compressor to rise the refrigerant vapour pressure from evaporation pressure to condensation pressure
- Evaporator, where the low pressure liquid refrigerant evaporates to cool the water
- Condenser, where high pressure vapour condensate rejecting heat removed from the chilled water in the atmosphere
thanks to an air cooled heat exchanger.
- Expansion valve allowing to reduced the pressure of condensed liquid from condensation pressure to evaporation
pressure.
2 GENERAL INFORMATION
All units are delivered with wiring diagrams, certified drawings, nameplate; and DOC (Declaration Of
Conformity); these documents show all technical data for the unit you have bought and they MUST BE
CONSIDERED ESSENTIAL DOCUMENTS OF THIS MANUAL
In case of any discrepancy between this manual and the equipment’s documents please refer to on board documents. In
case of any doubt contact the manufacturer representative.
The purpose of this manual is to allow the installer and the qualified operator to ensure proper installation, commissioning
and maintenance of the unit, without any risk to people, animals and/or objects.
3 RECEIVING THE UNIT
The unit must be inspected for any possible damage immediately upon reaching final place of installation. All components
described in the delivery note must be inspected and checked.
Should the unit be damaged, do not remove the damaged material and immediately report the damage to the transportation
company and request they inspect the unit..
Immediately report the damage to the manufacturer representative, a set of photographs are helpful in recognizing
responsibility.
Damage must not be repaired before the inspection of the transportation company representative.
Before installing the unit, check that the model and power supply voltage shown on the nameplate are correct.
Responsibility for any damage after acceptance of the unit cannot be attributed to the manufacturer.
4 OPERATING LIMITS
4.1 Storing Storage
Environmental conditions must be within the following limits:
Minimum ambient temperature : -20°C
Maximum ambient temperature : 57°C
Maximum R.H. : 95% not condensing

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