6 Technical data
Installation manual
38
Daikin Altherma ETS(X/H)(B)-D
Heat pump (indoor unit) with integrated heat accumulator
008.1448499_00 – 06/2019 – EN
6.4 Piping diagram for refrigerant circuit
Fig.6-3 Components in the heat pump circuit
a / R1T Ambient temperature sensor
b / R2T Temperature sensor (outlet)
c / R3T Temperature sensor (extraction system)
d / R4T Temperature sensor (heat exchanger) (distributor)
e / R5T Temperature sensor (heat exchanger centre)
f / R6T Temperature sensor (liquid)
g / R7T Temperature sensor (compressor housing)
h / R8T Temperature sensor (compressor connection)
i / R9T Water inlet temperature sensor
j / R10T Water outlet temperature sensor
k / Y1E Electronic expansion valve (main)
l / Y3E Electronic expansion valve (injection)
m / Y1S Solenoid valve (4-way valve)
n / Y2S Solenoid valve (hot gas bypass)
o / Y3S Solenoid valve (low-pressure bypass)
p / Y4S Solenoid valve (injection bypass)
q Screw connection 1" M
r / E1 H HEX Solenoid valve
s Pressure relief valve
t Crankcase heater
u High-pressure switch (5.6 MPa)
v High-pressure switch (4.17 MPa)
w / S1PL Low-pressure switch
x High-pressure sensor
y Preheater
z Fan motor
aa Silencer
ab Filter
ac Compressor
ad Safety valve
ae Capillary tube
af PCB – cooling
ag Service connection -5/16" – Light signal
ah Clamped pipe
ai Heating
aj Cooling
ak Gaseous
al Liquid
am Water inlet (return)
an Water outlet (feed)
ao Hot water storage tanks
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