Characteristic Curves For Pumps; Tightening Torques; Minimum Floor Area And Ventilation Openings - Daikin Altherma 3 R ECH2O EHSX04P30D2 Manuel D'installation Et De Fonctionnement

6 Technical data
6‒2 Characteristic of temperature sensor t
R Sensor resistance (NTC)
S
t Temperature
t Storage tank temperature sensor
DHW1
t Backup heater flow temperature sensor
V, BH
6‒3 Characteristic of temperature sensor t
R Sensor resistance (NTC)
S
t Temperature
t Temperature sensor liquid line (refrigerant)
DC
t Storage tank temperature sensor 2
DHW2
t Return temperature sensor
R
t Flow temperature sensor
V
6‒4 Characteristic of the pressure sensor (DS)
p Water pressure
U Voltage
Installation and operating manual
34
6.2.2
, t
DHW1 V, BH
6‒5 Residual head of the internal heating circulation pump
6.3
6‒2 Tightening torques
Temperature sensor
Hydraulic line connections
(water)
Gas line connections (refrigerant)
Fluid line connections
(refrigerant)
Fluid line connections
(refrigerant)
, t , t , t
R V DHW2 DC
Backup heater
6.4
▪ If the total refrigerant charge in the system is <1.84 kg, there are
▪ If the total refrigerant charge in the system is ≥1.84 kg, other
1 Compare the total refrigerant charge in the system (m

Characteristic curves for pumps

Δp Residual head of internal heating circulation pump
R
m Flow rate of heating system
H

Tightening torques

Component
Minimum floor area and ventilation
openings
CAUTION
The use of refrigerant piping that has already been used
can lead to damage to the unit.
▪ Do not reuse refrigerant piping that has been used with
another refrigerant. Replace or carefully clean the
refrigerant piping.
no further requirements.
minimum floor space requirements must be met:
maximum refrigerant filling (m
room (A ), (see " 6‒3 Maximum refrigerant filling permitted
room
room" [ 4 35]).
in a
▪ If m ≤ m : The device can be installed in this room without
c max
any further requirements.
▪ If m > m : Proceed with the following steps.
c max
Thread size Tightening
torque in Nm
all Max. 10
1" 25 – 30
5/8" 63 – 75
1/4" 15 – 17
3/8" 33 – 40
1.5" Max. 10
(handtight)
) with the
c
) permitted for the installation
max
Daikin Altherma EHS(X/H)(B)-D
Daikin Altherma 3 R ECH₂O
008.1451099_00 – 07/2020