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14 Technical data
Installer reference guide
87
ERLQ004~008CA + EHVH/X04+08S18+26CB
Daikin Altherma – Low temperature split
4P384973-1D – 2018.07
14.2
Piping diagram: Indoor unit
R4T
R5T
R3T
R2T
R1T
R2T
R4T
R5T
R3T
R1T
3D089825
LEGEND
Refrigerant side
Water side
Space heating/cooling
water OUT
Space heating/cooling
water IN
Domestic hot water:
hot water out
Domestic hot water:
cold water in
Field installed
Shut-off valve
with drain/fill
valve
Field installed
Shut-off valve
with drain/fill
valve
Backup
heater
3-way
valve
Plate heat
exchanger
Refrigerant inlet
Evaporator
Condenser
Refrigerant outlet
Pump
Drain cap
Manometer
Expansion vessel
Heat exchanger
Safety
valve
Refrigerant inlet
Refrigerant outlet
Air purge
Domestic hot water tank
Filter
Flow sensor
Thermistor
Description
Inlet water thermistor
Tank thermistor
Refrigerant liquid side thermistor
Outlet water backup heater thermistor
Outlet water heat exchanger thermistor
Check valve
Flare connection
Screw connection
Flange connection
Brazed connection
Quick coupling
Pinched pipe
Spinned pipe
Summary of Contents for Altherma EHVH/X04S18CB
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