Daikin EWWQ-G - Electrical Connection

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
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-EOMHW00107-15EN
Operation Manual
59
5.10.2 Electrical Connection
In the following section are reported all electrical connections necessary for the correct operation of
the Master Slave function.
All schemes present in this section provide only a principle diagram of the electrical
connection
5.10.2.1 Process Bus
The following diagram shows how have to be connected the chillers between them to establish the
Master Slave Network. Starting from first chiller connect in parallel all terminals PB [CE+ / CE-] of
MASTER
SLAVE 1
SLAVE 2
SLAVE 3
BUILDING
MASTER
SLAVE 1
SLAVE 2
SLAVE 3
BUILDING
BUILDING
MASTER
SLAVE 1
SLAVE 2
SLAVE 3
SLAVE 1
BUILDING
MASTER
SLAVE 2
SLAVE 3
Single Common Pump
Single Chiller Pump
Double Chiller Pump
Chiller with sectioned evaporator