Daikin EWAD730T-XLB2 [80/81] Technical specifications

TECHNICAL SPECIFICATIONS

72/73

Refrigerant circuit The unit shall have two independent refrigerant circuits. The circuit shall include as

standard: electronic expansion device piloted by unit’s microprocessor control, compressor discharge shut-

structure, in order to control the unit sound.

• The chiller shall be provided with an acoustical compressor enclosure. This enclosure shall be realized

with a light, corrosion resisting aluminum structure and metal panels. The compressor sound -proof

enclosure shall be internally fitted with flexible, multi -layer, high density materials.

Hydronic kit options (on request) The hydronic module shall be integrated in the chiller chassis without

increasing its dimensions and includes the following elements: centrifugal pump with motor protected by a

circuit breaker installed in control panel, water filling system with pressure gauge, safety

valve, drain valve.

• The hydronic module shall be assembled and wired to the control panel.

Master/Slave the unit shell be able to operate in Master / Slave mode in order to be connected

with other similar unit (up to 4). The master unit shall manage the slaves units connected in series on the

hydraulic plant with the aim of optimize the running hours of each compressor and to balance running hours

and the load between the units.

Electrical control panel Power and control shall be located in the main panel that will be

manufactured to ensure protection against all weather conditions.

• The electrical panel shall be IP54 and (when opening the doors) internally protected against possible

accidental contact with live parts.

• The main panel shall be fitted with a main switch interlocked door that shuts off power supply when

• A built -in display will shows chiller operating status plus temperatures and pressures of water,

refrigerant and air, programmable values, set-points.

• A sophisticated software with predictive logic, will select the most energy efficient combination

of compressors, EEXV and condenser fans to keep stable operating conditions to maximize chiller

energy efficiency and reliability.

• The controller will be able to protect critical components based on external signals from its system (such

as motor temperatures, refrigerant gas and oil pressures, correct phase sequence, pressure switches

and evaporator). The input coming from the high pressure switch cuts all digital output from the

controller in less than 50ms, this will be an additional security for the equipment.

• Fast program cycle (200ms) for a precise monitoring of the system.