JB Academy, JB Nova and SUB Aqua Pro 31394 V7
Detailed operating manual Page 25
www.grantinstruments.com
11 Maintenance and service
No routine maintenance is required except for cleaning. There are no user serviceable
parts inside the unit.
11.1 Cleaning
Clean the outside of the equipment with a damp cloth. Domestic detergents may be
used to remove stubborn dirt. Scale on immersed parts can be removed using chemical
de-scaling products designed for use on kitchen equipment that have metal parts. De-
scaling products may be toxic and manufacturer’s instructions should always be followed.
Before using any other cleaning or decontamination method, check with Grant
Instruments or your local representative to make sure that the proposed method will not
damage the equipment.
11.2 Fuses
The fuses are internal and should not need to be replaced.
11.2.1 Replacing the mains cord
Any replacement mains cord-set used with the water baths must meet the same
specification as the one originally supplied with the unit to maintain safety of the unit.
For Europe (including the UK), the cable must have the following markings; <HAR>,
HO5VV-F 3Gx1mm2 and be rated to carry 10A. The mains plug and IEC connector must
carry approvals from a European certification body (e.g. BSI, VDE or equivalent).
For Australia the cable must have the following markings; HO5VV-F 3Gx1mm2 and be
rated to carry 10A. The mains plug, lead and IEC connector must carry approvals from
an Australian regional authority (e.g. N, NSW or equivalent).
For North America, the cable must have the following markings; SVT, 3x 18AWG, VW-1,
75°C, 300V,FT2 and be rated to carry 10A. The mains plug, lead and IEC connector
must carry 3
rd
party approval marks for Canada and the US (e.g. CSA and UL marks/file
numbers).
11.2.2 Routine safety tests
If routine tests are to be made, we recommend a test of the integrity of the protective
earth conductor and an insulation test at 500 V DC. Routine flash tests are not
recommended for any electrical equipment, because repeated high voltage tests degrade
insulation materials.
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