Specifications - GWF Integral-V UltraMaXX Montageanleitung

3.8 Meter Sealing
Secure the screw connection of the flow sensor, the supply and
return temperature sensor with a wire and metal snap seal.
3.9 Installation of the calculator unit
Place the calculator unit on the flow sensor / wall bracket and
press downwards until it clicks into position.
Length of the connecting cable between the flow sensor and
the calculator unit: 0.5 m
On the flow sensor
On the wall bracket on
the wall
3.10 Connection diagram for options
Small calculator unit
2 pulse outputs for heating- and cooling energy
Large calculator unit
M-Bus power supplied /
2 water meter inputs
Seal
Cable connector
Wall bracket on a pipe
Calculator unit on the wall bracket
with a magnet in the cabinet
E = Heating energy
V = Cooling energy
M-Bus /
4 water meter inputs

4. Specifications

Specification for pulse outputs for heating- and cooling energy
Pulse value
Pulse characteristic
Scanning voltage
Max. permissible current
Max. internal resistance R
on
Impulse length
Specification for water meter inputs
Pulse value
Scanning voltage
Impulse recognition
Cable length
Specification for M-Bus interface
Protocol
M-Bus standard load
Standard baud rate
Standard data set
Heating energy: 1 pulse = 1 kWh
Cooling energy: 1 pulse = 1 kWh
Passive transducer, Open Collector
Pull-down switch
max. 30 V, min. 2,5 V
max. 20 mA
100 Ω (during pulse ON)
120 ms
1, 2,5, 10, 25, 100, 250 l/pulse
(programmable, same pulse value for all
connected water meters, standard 10 l)
typisch 3 V
Contact closed: R < 500 Ω
Contact opened: R >1 MΩ
Impulse duration / break every > 3 s
max. 10 m
M-Bus according EN 13757-3
Supply via battery: 1 standard load (1,5
mA)
Supply via M-Bus: 2 standard loads (3
mA)
2400 baud
Manufacturer no., energy, volume, flow,
power, temperatures (supply, return, dif-
ference), operating time, date and time,
optional volume water meter inputs,
firmware version, software version