19
Operation
Initial Start-up
Electrical Requirements
Complete all electrical testing following
applicable local codes and practices. In-
spect all wiring for conformance to design
drawings. Check for correct rating on all
protection devices.
Controller Checks
Check controller in accordance with the
instructions provided with the unit.
Insulation Resistance Test
Perform a fi nal insulation resistance test
to ensure that the connection lead and
supply cable have not been damaged
since installation.
General Operation and
Maintenance
The EM-MI System has no moving parts
and therefore requires minimum main-
tenance. Local maintenance codes and
requirements for electrical equipment
should be complied with.
Circuit breakers should be checked pe-
riodically. Residual current devices (rcd)
should be tested annually.
Periodically inspect the system controls.
Operate the controls to ensure that they
function correctly.
Max. ambient temperature for MI heating
cable: 90°C. Installer must supply opera-
tor with a layout drawing.
Trouble Shooting Guide
Warning: Isolate supply before working on any part of the electrical system.
Problem A : Over-current protection strips or blows
Probable causes
Correction
Electrical fault at:
Locate and rectify the fault and reset
• connection lead
or replace protection.
• damaged heating cable
Protection undersized
Re-establish what the current loads are
going to be and install new protection
(NB: if protection is replaced, ensure it is
compatible with the supply cable).
Defective protection
Replace
Tyco 041654 EM-MI.indd 19
Tyco 041654 EM-MI.indd 19
09/09/04 14:35:44
09/09/04 14:35:44
Содержание EM-MI
Страница 111: ...111 Tyco 041654 EM MI indd 111 Tyco 041654 EM MI indd 111 09 09 04 14 36 00 09 09 04 14 36 00 ...
Страница 112: ...112 Tyco 041654 EM MI indd 112 Tyco 041654 EM MI indd 112 09 09 04 14 36 00 09 09 04 14 36 00 ...
Страница 113: ...113 Tyco 041654 EM MI indd 113 Tyco 041654 EM MI indd 113 09 09 04 14 36 00 09 09 04 14 36 00 ...