Control Box - Daikin ERQ Series Service Manual

ESiEN09-06 A
1.2

Control Box

Outlook
Model name We distinguish 3 types of control boxes:
Control type W
Control of capacity by means of external device (DDC controller).
Control type X
Control of refrigerant temperature by means of external device (DDC controller).
Control type Y
Control of evaporation and condensing temperature (T
Control type Z
Control of air temperature (T
Legend:
T
T
T
T
T
AHU
DDC
General Information
Model Names of Outdoor Unit, Control Box and Expansion Valve Kit
EKEQD: Z-control
EKEQF: W-, X-,Y-control
EKEQM: Z-control (only with VRV outdoor unit, no ERQ)
Discharge air control
d
Suction air control
s
Room air control
r
Evaporating temperature control
e
Condensing temperature control
c
Air handling unit
Digital controller
or T ) by Daikin control (no DDC needed).
s r
, T ) by Daikin control (no DDC needed).
e c
3