Nordson 3100V Series Customer Product Manual

B 2-24 Control
Checking
a Thermostat
Use this
procedure
to check a thermostat.
WARNING:
System
or material
pressurized.
Relieve
pressure.
Failure
to obserue
this warning may result in serious burns.
1. Relieve system
pressure.
Refer to Relieving
System
Pressure in the
Maintenance section.
WARNING: Risk of equipment damage,
personal
injury, or
death. Disconnect and lock out electrical
power
to the unit,
including inpuVoutput
(l/O)
lines.
2. Place
the unit's
POWER
switch
in the off
position,
disconnect and
lock out electrical
power
to the unit at the branch circuit disconnect
switch, and disconnect and lock out electrical
power
supplied through
any
l/O wiring.
3. Open the electrical enclosure.
Refer
to Opening
and
Closing
the
Electrical Enclosure.
4. Remove the thermostat.
Refer to RTD
orThermostat
Removalin
Repair Procedures.
5. Connect an ohmmeter
set
on the
lowest resistance scale across the
thermostat; then heat the thermostat
with
a flameless electric
heat
gun.
Short
circuit before thermostat
reaches
temperature
and open
circuit
when
thermostat
reaches temperature: normal indication.
Return to the appropriate troubleshooting table.
Short circuit or
low resistance
at
high
temperature:
defective
thermostat. Replace the thermostat. Refer to
Replacing
an
RTD
or a Thermostatin
Repair Procedures.
a
a
82EN-04-[3V-X-4XXVI-s
41-3000v
lssued
5/00
@
2000 Nordson Corporation
All dghts reserved

Nordson 3100V Series Specifications

General

Brand	Nordson
Model	3100V Series
Category	Melting Machines
Language	English