Piping Diagram: Indoor Unit - Daikin Altherma EHVH04S18CB3V Installer's Reference Manual

14.5.2

Piping diagram: Indoor unit

Water side
Space heating/cooling
water OUT
Field installed
Shut-off valve
with drain/fill
valve
Domestic hot water:
hot water out
Domestic hot water:
cold water in
Field installed
Shut-off valve
with drain/fill
valve
Space heating/cooling
water IN
LEGEND
ERLQ004~008CA + EHVH/X04+08S18+26CB
Daikin Altherma – Low temperature split
4P384973-1A – 2016.02
3-way
R2T
valve
Domestic hot water tank
Heat exchanger
Filter
Air purge
Check valve Screw connection
Flare connection Quick coupling
Spinned pipe Flange connection
Pinched pipe Brazed connection
Backup
heater
Flow sensor
Expansion vessel
Safety
valve
R5T
Manometer
Pump
Thermistor
R5T
R4T
R3T
R2T
R1T
14 Technical data
Refrigerant side
Refrigerant outlet
R1T
Refrigerant inlet
Plate heat
exchanger
Evaporator
Condenser
Refrigerant inlet
R4T R3T
Refrigerant outlet
Drain cap
Description
Tank thermistor
Inlet water thermistor
Refrigerant liquid side thermistor
Outlet water backup heater thermistor
Outlet water heat exchanger thermistor
Installer reference guide
3D089825
91