8 Technical data
Installation manual
17
EPRA14~W1
Daikin Altherma 3 H HT
4P586100-1 – 2019.07
8
Technical data
8.1
Piping diagram: Outdoor unit
3D124079A
R10T
R9T
R
6
T
R7T
R8T
R
3
T
R5T
R
4T
R
1
T
R2T
S1PH
sv
sv
E1HC
M1C
S1NPH
E1HHEX
s
v
S1PL
PRV
S2
PH
Y1E
Y3E
Y3S
M1F
Y4S
Y2S
Liquid
Gas
Y1S
b
d
e
n
n
c
d
i
j
k
l
g
i
i
i
f
f
f
f
m
h
a
e
e
l
1N~
*
*
3N~
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
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