PAGE 9 of 61 HO-7-1237 & HO-4-1234 OIL-FIRED HEATERS
© SAMUEL JACKSON, INCORPORATED 2003 ALL RIGHTS RESERVED
WHAT IS THE OPTIONAL 20050 DIAGNOSTIC MODULE?
The optional “20050 DIAGNOSTIC MODULE” (Figure 5) is located at the remote
control station with the TEMPERATURE CONTROL. The alphanumeric display shows
the heater’s status, errors, and alarms when they occur.
Figure 5 - 20050 Diagnostic Module
14-3567.9
The reset button and +/- switch ha ve identical functions on both the DIAGNOSTIC
MODULE and the LOCAL PANEL located in the heater cabinet. This arrangement
allows access to the test program from the remote control station as well as the heater
cabinet. See section on
TEST SEQUENCE
EXPLANATION
for full details on using the
test program.
The ALARM and ERROR history can also be viewed at the console. See the section on
ERROR and ALARM LOGGING SYSTEM
for information on using this special feature.
DISPLAYS OPERATION MODE
AND ERRORS OR ALARMS
PRESS TO RESET
ALARM OR ERROR
USED TO VIEW ERROR
LOG AND ACCESS TEST
PROGRAM
