VERDER CARBOLITE GERO CAF G5, Инструкции по установке, эксплуатации и обслуживанию

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control panel. See fig 11a. This alarm will continue until the furnace is turned off
and the 'purge' gas supply is restored. While the alarm is activated the control sys-
tem will not allow introduction of 'reducing' gas.
3. Switch on the furnace electrical supply, the cooling fans will run. Operate the instru-
ment switch to activate the control system, the furnace will begin to heat up to the
start temperature and the work tube will be purged with 'Purge' gas for 5 minutes.
The standby temperature is adjustable using the software, see section 4.7.2.2.
Note: Initial heat up of the furnace may create a strong odour from the binders in the
new insulation materials; it is therefore recommended that the furnace is located where
there is adequate extraction during the first heating phase. The fumes from the binders
may also cause interference with the internal CO sensor during initial heat up (see fault
analysis in section 6.0).
For furnaces constructed to use CO/ CO
2
and Air test gases with N
2
'Purge' gas,
(compatible with ASTM D1857/ D1857M -04 (2010) & BS ISO 540: 2008 & DDCEN/ TS
15370-1:2006 & PD CEN/ TR 15404:2002) the start temperature is adjustable from 400
°C.
For furnaces constructed to use H
2
and CO
2
test gases with CO
2
'Purge' gas,
(compatible with BS ISO 540: 2008) the start temperature is adjustable from 815 °C.
To switch the furnace off, set the instrument switch to off, see fig 11a. The case cooling
fans remain on. Leave the fans on until the furnace cools to below 300 °C. If the
furnace is to be left off unattended, isolate it from the electrical supply.
Note : It is not recommended to operate the furnace continuously at temperatures
above 1500°C. The furnace is designed to operate to a programmed ramp; continuous
operation at elevated temperatures will shorten the life of the elements, insulation and
tube end seals.
4.2 Eurotherm Controller
The Eurotherm controller is configured to control the furnace and provide the other
signals necessary to switch gas flows, rear lighting (if fitted) and communicate with the
CAF Test Software. All the Eurotherm controls required for ash fusion testing are
accessed through the software.
4.3 Computer Start-Up
The computer is set up by Carbolite Gero to run the following software:
Microsoft Windows 7 embedded.
Carbolite Gero Ash Fusibility Test Software:
Although the software is already installed, an installation memory stick is supplied for
system support.
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