Technical Data; Piping Diagram: Outdoor Unit - Daikin Altherma EPRA14DAV3 Manual De Instalación

8

Technical data

8.1

Piping diagram: Outdoor unit

d
k
i i
M1F
R5T
j
Gas Gas
Liquid Liquid
a Water IN (screw connection, male, 1")
b Water OUT (screw connection, male, 1")
c Plate heat exchanger
d Pinched pipe
e Refrigerant filter
f One-way valve
g Economiser heat exchanger
h Service port 5/16" flare
i Capillary tube
j Distributor
k Air heat exchanger
l PCB cooling
m Accumulator
n Muffler
Refrigerant flow:
Heating
Cooling
EPRA14~18DAV3+W1
Daikin Altherma 3 H HT
4P586100-1 – 2019.07
h
e
*
l
Y3E
Y4S
sv
i
i
Y3S
PRV
S1PL
m
Y1E
e
f f
f f
g
Y1S
S1NPH
e
sv
Y2S
n
S1PH
n
R2T
R7T
R8T
E1HC
M1C
E1HC Crankcase heater
E1HHEX Plate heat exchanger heater
M1C Compressor
M1F Fan motor
PRV Refrigerant pressure relief valve
S1PH High pressure switch (5.6 MPa)
S2PH High pressure switch (4.17 MPa)
S1PL Low pressure switch
S1NPH High pressure sensor
Y1E Electronic expansion valve (main)
Y3E Electronic expansion valve (injection)
Y1S Solenoid valve (4-way valve)
Y2S Solenoid valve (hot gas bypass)
Y3S Solenoid valve (low pressure bypass)
Y4S Solenoid valve (liquid injection)
Thermistors:
R1T Outdoor air
R2T Compressor discharge
R3T Compressor suction
R4T Air heat exchanger, distributor
R5T Air heat exchanger, middle
R6T Refrigerant liquid
R7T Compressor shell
R8T Compressor port
R9T Entering water
R10T Leaving water
8 Technical data
d
c
R10T
Gas
Liquid
R9T
*
l
1N~
3N~
3D124079A
Installation manual
17
b
a