Daikin Altherma 3 WS EWSAH06UD 9W Series Installer's Reference Manual page 244

17 | Technical data
g Shut-off valve
h Plate heat exchanger
i Drain valve
j Backup heater
k Recirculation connection (3/4" G female)
l Check valve
m Muffler
n Refrigerant pressure relief valve
o Service port (5/16" flare)
p Heat sink
q Filter
r Rectifier
s Pressure independent control valve (PICV) +
actuator
Refrigerant flow:
Heating
Cooling
Installer reference guide
244
R3T (A7P) Compressor suction
R4T (A7P) 2 phase
R5T (A7P) Central water loop IN
R6T (A7P) Central water loop OUT
R1T (A1P) Heat exchanger – water OUT
R2T (A1P) Backup heater – water OUT
R3T (A1P) Liquid refrigerant
R4T (A1P) Heat exchanger – water IN
R5T (A1P) Tank
R8T (A1P) Tank
Connections:
Screw connection
Quick coupling
Brazed connection
EWSAH/X06UD
Daikin Altherma 3 WS
4P675765-1 – 2022.04