5.
FUSE REPLACEMENT
Should you suspect a blown fuse proceed as follows.
WARNING
Installation, operation and maintenance of this instrument must be performed by qualified personnel
only. The National Electrical Code defines a qualified person as “one who has the skills and knowledge
related to the construction and operation of the electrical equipment and installations, and who has
received safety training on the hazards involved.”
a) Disconnect all power sources and cables connected to the instrument before servicing the instrument.
b) On the rear panel remove the (2) clamp slide retaining screws and remove the clamp slides from both sides of the
instrument. Next remove the (4) corner screws that retain the rear panel to gain access to the instrument.
c) Open the rear panel and replace the fuse(s) as required , replace only with same type T Slow Blow, 1A, 250V
(Littelfuse 218001.HXP, 1 A). The fuseholder wire conductors are appropriately labeled “L” for Line and “N” for
Neutral on both halves of each of the fuseholder wires. When reassembling the fuseholder(s) make sure “L” and
“L” are connected together and “N” and “N” labeled wires are connected together properly.
d) Mate the rear panel to the enclosure and replace the clamp slides back in position and secure the clamp slides
with the (2) screws previously removed from the instrument. Next, replace the (4) corner screws to secure the
rear panel and ensure that all screws have been adequaetely tightened.
e) Power ON the instrument with the appropriate power cord and verify the instrument is functioning properly
before reconnecting the instrument to your installation.
WARNING
For continued protection against risk of fire or shock replace only with the same type and rating
of fuse.
ADVERTENCIA
Para la protección continua contra el peligro de incendio o descarga, cambie sólo por fusibles
del mismo tipo y capacidad nominal.
AVERTISSEMENT
Pour assurer une protection continue contre les risques d’incendie ou de choc, ne remplacez que
par un fusible du même type et de la même valeur nominale.
WARNUNG
Zum anhaltenden Schutz gegen Brand oder einen elektrischen Schlag nur gegen eine Sicherung
desselben Typs und mit demselben Nennwert austauschen.
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18
Model 37
60
DC VOLT & 4-20mA PANEL METER
