Features and technical data
Installation, use and maintenance manual – Next-G
23
1
▶
Diagnostics.
▶
Reset.
▶
Gas unit heater data display and parameters setting.
▶
Space heating and summer ventilation setpoint set-
ting.
▶
Automatic management of power modulation.
▶
Summer ventilation mode activation.
For further details and diagrams see OCDS008 digi-
tal chronothermostat instruction sheet and Paragraph
4.4.6
1.7.8
OSWR000 Genius software for remote
management of gas unit heaters
This is a software that allows, through the OTRG005 ther-
moregulators, to centralize the management of up to
100 gas unit heaters, allowing them to be freely divid-
ed into zones, for an even more personalized heating
management.
If the PC on which the software is installed is accessible
remotely, the software allows remote management of
the whole heating system from multiple devices, as well
as sending emails to report any anomalies to the gas unit
heaters or to the heating system.
The main functions are:
▶
Centralized system to control up to 100 gas unit heat-
ers.
▶
Division of gas unit heaters into zones, up to 10 differ-
ent zones.
▶
Independent or centralized gas unit heaters control.
▶
Remote control of the system from multiple devices.
▶
Diagnostics, also by email.
▶
Reset.
▶
Gas unit heater data display and parameters setting.
▶
Space heating and summer ventilation setpoint set-
ting.
▶
Automatic management of power modulation.
▶
Summer ventilation mode activation.
For further details and diagrams see OSWR000 Genius
software instruction sheet and Paragraph 4.4.7
1.7.9
External request
The appliance may also be controlled via generic enable
devices (e.g. thermostat, timer, switch, contactor...) fitted
with voltage-free NO contact.
External request control can be used on the contacts,
available on the terminal block of the Next-G appliance
(Figure 1.13
p. 20), to realise various functions. In detail:
▶
The "HEAT." and "VENT." contacts determine the op-
erating mode and power level of the gas unit heater
according to the logic described in Table 1.1
▶
The J61 contact activates the warning or error report-
ing of the gas unit heater.
▶
The "RESET" contact activates the reset of any errors
present.
In addition to the contacts, inputs for temperature probes
are available:
▶
Room probe ("Tamb1" input), supplied
▶
Outdoor probe ("Text" input)
▶
Destratification probe ("Tamb2" input)
The "0-10V" input is available for setpoint or power level
communication in the form of a 0-10 V DC signal.
For managing the request signal ("HEAT." contact), Robur
provides as optional different models of thermostats and
chronothermostats.
For further details and diagrams see Paragraph
1.7.10
Other optional thermostats and
chronothermostats
For managing the request signal ("HEAT." contact), Robur
provides as optional different models of thermostats and
chronothermostats, listed below.
▶
Room thermostat with ON/OFF switch (optional
O12301035)
▶
Sealed room thermostat IP55 (optional O12301025)
▶
Digital programmable chronothermostat (optional
OCDS005)
1.8
TECHNICAL DATA
Table 1.2
Technical data
Axial fan models with fixed speed
G 30
G 45
G 60
G 90
Heating mode
Heat input
nominal (1013 mbar - 15 °C) (1)
kW
28,0
43,0
58,0
90,0
minimum (1)
kW
9,3
13,8
18,5
27,0
Heat output for each unit
nominal
kW
27,4
41,4
56,6
87,3
minimum
kW
9,9
14,5
19,5
28,6
Efficiency
nominal heat input
%
97,8
96,2
97,5
97,0
minimal heat input
%
106,8
105,3
105,2
106,1
useful at 100% heat input
%
97,3
95,7
97,0
96,5
Heat losses
to flue in operation
%
2,20
3,80
2,50
3,00
to casing in operation
%
0,50
with burner off
%
0,10
(1) Relative to NCV (net calorific value).
(2) Values measured in an open area; in a real installation, the thermal flow may reach greater distances than those given here (depending on the height of the ceiling
and its thermal insulation).
(3) The gas unit heater cannot operate with this type of gas.
