Daikin EUWAC8FZW [7/26] Specification text

• Chillers • R-407C • EUWAC-FZW

• Applied Systems • Chillers

2 Specification text

Load, auxiliary and control cut-outs, transformers, control fuses, relay and auxiliary relay, sensors, and

DDC controller.

The electronics have an automatic restart after power failure and provide the following digital inputs

and outputs hard-wired to terminals for incorporating the GLT:

Digital inputs

 Flow controller

 Pump contactor

 Remote ON/OFF

Digital outputs

 Collective malfunction message

 Gen. operating message

 Operating message per compressor

 Cold water control

DDC control

The EUWAC

FZW units are supplied with a digital controller that allows for a user friendly set-up,

operation and maintenance of the unit. The controller consists of a numerical display, 4 control keys

and 4 LEDs.

The electronics support for example the following functions:

 3-step evaporator pressure control (winter control down to -10 °C ambient temperature)

 Allocation of the target value and the switching hysteresis

 Cold water return flow control

 Setting pump lead and lag times

 Setting maintenance intervalls

 Display of current operation parameters such as flow and return flow temperatures

 Recording of operating hours (compressor / pump)

 Error code retrieval

 Password protection

Optional

This chiller can be fitted with an interface for integration into a Building Management System

(BMS), which either supports the MODbus / J-bus or BACnet protocol.