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ISX
Installation instruction
1. Overview
See figure C1.
EN
Pos.
Function
1
Bottom part
2
Safety thermal cut-out (STB)
3
Thermal sensor
4
Non-return valve
5
Flow sensor
6
Heating element
Safety pressure cut-out (SDB)
7
Outlet pipe
8
Hot water connection
9
Interface board
10
Modbus connector
11
Leakage sensor
12
Display
13
2. Technical specifications
Model
Energy efficiency class
Rated capacity / rated current
Chosen capacity / current
Nominal voltage
Electrical connection
Min. required cable size
Hot water (l/min)
1)
max. at ∆t = 28 K
max. at ∆t = 38 K
Rated volume
Rated pressure
Connecting type
Heating system
@ 15 °C:
Required spec. water resistance
Spec. electrical conductivity
Inlet temperature
Required flow rate to switch on
Pressure loss
Temperature range
Water connection
Weight (when filled with water)
Transmission and receiving frequency range Wi-Fi
Transmission power Wi-Fi
Transmission and receiving frequency range Bluetooth
Transmission power Bluetooth
Radiation Bluetooth
Transmission range Bluetooth
Modbus
Transmission parameter Modbus
Address Modbus
VDE class of protection
Type of protection / safety
*) The declaration complies with the EU regulation No 812/2013.
1) Mixed water
2) Electronically controlled depending on the desired temperature and cold water temperature
Pos.
18 kW / 26 A
16.2 kW / 25 A
21 kW / 30 A
400 V
380 V
400 V
4.0 mm
2
9.2
8.3
10.7
6.8
6.1
7.9
the last two digits of the serial number (for 00 = 100)
12
Function
ISX hood
14
Connecting pipe
15
Power circuit board cover
16
Servomotor electronics
17
Power circuit board
18
Transmission module
19
Servomotor
20
21
Connecting terminal
22
Strain relief
23
Inlet pipe
24
Fine filter
25
Cold water connection
ISX
A *
)
18 kW..27 kW (26 A..39 A)
19 kW / 29 A
24 kW / 35 A
21.7 kW / 33 A
380 V
400 V
3~ / PE
4.0 mm
2
6.0 mm
2
9.7
12.3
7.2
9.0
0.4 l
1.0 MPa (10 bar)
pressure-resistant / pressureless
Bare wire heating system IES
®
≥ 1100 Ωcm
≤ 90 mS/m
≤ 70 °C
1.5 l/min – automatic
2)
0.08 bar at 1.5 l/min 1.3 bar at 9.0 l/min
20 – 60 °C [70 °C]
G ½ inch
4.5 kg
2.412 – 2.472 GHz (802.11b/g/n)
≤ 100 mW
2.4 – 2.4385 GHz
≤ 8 mW
undirected
10 meter incl. barrier
RTU/RS485
19200 Bit/s (bd) 8/N/1
I
IP21
27 kW / 39 A
24.4 kW / 37 A
380 V
400 V
380 V
6.0 mm
2
11.1
13.8
12.5
8.2
10.2
9.2
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