Daikin ALTHERMA - Piping Diagram: Indoor Unit

15 Technical data
Installer reference guide
83
ERLQ004~008CAV3 + EHBH/X04+08CA
Daikin Altherma - Low Temperature Split
4P313774-1C – 2012.11
15.5.2 Piping diagram: Indoor unit
R4T
R2T
R3T
R1T
LEGEND:
3D078212
R4T
R3T
R2T
R1T
Flow sensor
Plate heat
exchanger
Expansion
vessel
Backup
heater
Air purge
Safety
valve
Manometer
Filter
pump
water
inlet
water
outlet
REFR. OUT
REFR. IN
REFR. IN
REFR. OUT
EVAPORATOR
CONDENSOR
REFRIGERANT SIDE
WATER SIDE
shut-off valve
with drain/fill
valve
FIELD INSTALLED
FIELD INSTALLED
shut-off valve
with drain/fill
valve
THERMISTOR DESCRIPTION
CHECK VALVE
FLARE CONN.
SCREW CONN.
FLANGE CONN.
PINCHED PIPE
SPINNED PIPE
BRAZED CONN.
QUICK COUPLING
Inlet water thermistor
Refrigerant liquid side thermistor
Outlet water backup heater thermistor
Outlet water heat exchanger thermisto