Piping Diagram For Refrigerant Circuit - Daikin Altherma 3 H HT ECH2O Series Installation Manual

6 Technical data
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
Installation manual
38
Daikin Altherma ETS(X/H)(B)-D
Heat pump (indoor unit) with integrated heat accumulator
008.1448499_00 – 06/2019 – EN