Piping Diagram: Indoor Unit - Daikin ERLQ004CA Installer's Reference Manual

15.5.2 Piping diagram: Indoor unit

WATER SIDE
FIELD INSTALLED
water
outlet
shut-off valve
with drain/fill
valve
FIELD INSTALLED
water
inlet
shut-off valve
with drain/fill
valve
LEGEND:
CHECK VALVE
FLARE CONN.
SPINNED PIPE
PINCHED PIPE
EHBH04+08 + ERLQ004~008
Daikin Altherma - Low Temperature Split
4P313774-1 – 2012.05
Backup
heater
R2T
Manometer
Safety
valve
Filter
Expansion
vessel
SCREW CONN.
QUICK COUPLING
FLANGE CONN.
BRAZED CONN.
Flow sensor
Air purge
R1T
pump
R4T
R4T
Inlet water thermistor
R3T
Refrigerant liquid side thermistor
R2T
Outlet water backup heater thermistor
R1T
Outlet water heat exchanger thermisto
THERMISTOR DESCRIPTION
15 Technical data
REFRIGERANT SIDE
REFR. OUT
REFR. IN
Plate heat
exchanger
EVAPORATOR
CONDENSOR
REFR. IN
R3T
REFR. OUT
3D078212
Installer reference guide
78