Daikin EWAQ-G-SS Handleiding (68 Pagina's)

Handleiding

EWWQ090G ÷ EWWQ720L - R410a - Water-cooled scroll chillers

EWLQ090G ÷ EWLQ720L - R410a - Condenser less

EWHQ100G ÷ EWHQ400G - R410a - Heat pump scroll chillers

EWAQ- - R410a - Air-cooled scroll chillers

EWYQ- - R410a - Air-cooled scroll heat pumps

Air and Water cooled scroll chillers & heat pump

Operation

Manual

EWWQ - EWLQ - EWHQ

EWAQ - EWYQ

Air or Water cooled scroll chiller &

heat pump

D-EOMHW00106-15EN

Operation Manual

9

1.6 Abbreviations used

In this manual, the refrigeration circuits are called circuit #1 and circuit #2.

The following abbreviations are used frequently:

UC

Unit controller

HMI

Human Machine Interface

A/C

Air Cooled

W/C

Water Cooled

C/O

Cooling Only

H/P

Heat Pump

CL

Condenser Less

CP

Condensing Pressure

EP

Evaporating Pressure

CSRT

Condensing Saturated Refrigerant Temperature

ESRT

Evaporating Saturated Refrigerant Temperature

ST

Suction Temperature

SSH

Suction SuperHeat

EXV

Electronic Expansion Valve

ELWT

Evaporator Leaving Water Temperature

EEWT

Evaporator Entering Water Temperature

CLWT

Condenser Leaving Water Temperature

CEWT

Condenser Entering Water Temperature

1.7 Customer Terminal Block Connections

1.7.1 Connections description and purpouse

The contacts below are available at the user’s terminal block referred as MC24 or MC230 in the

wiring diagram. The following table summarizes the connections at the user’s terminal block.

Description

Terminals

Notes

Evaporator Flow Switch (mandatory)

724, 708

For potential-free contacts