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15 Technical data
Installer reference guide
80
ERLQ004~008CA + 08S18CA3VF
Daikin Altherma low temperature split
4P3662261 – 2014.01
15.3.2
Piping diagram: Indoor unit
R5T
R4T
R3T
R2T
R1T
BUH
R4T
R1T
R2T
R3T
R5T
Flow sensor
Plate heat
exchanger
Air purge
Safety
valve
Manometer
Filter
Pump
Space heating water in
Space heating
water out
REFR. OUT
REFR. IN
REFR. IN
REFR. OUT
EVAPORATOR
CONDENSOR
REFRIGERANT SIDE
WATER SIDE
Heat exchanger
Expansion
vessel
CHECK VALVE
FLARE CONNECTION
SCREW CONNECTION
FLANGE CONNECTION
PINCHED PIPE
SPINNED PIPE
BRAZED CONNECTION
QUICK COUPLING
LEGEND:
Domestic hot water:
cold water in
Domestic hot water:
hot water out
Domestic Hot Water Tank
shut off valve
with drain/fill
valve
FIELD INSTALLED
shut-off valve
with drain/fill
valve
FIELD INSTALLED
Flow-through
vessel
Drain cap
THERMISTOR
DESCRIPTION
Tank thermistor
Inlet water thermistor
Refrigerant liquid side thermistor
Outlet water backup heater thermistor
Outlet water heat exchanger thermistor
3D077572-1A page 2
Summary of Contents for ERLQ004CAV3
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