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OMM-0153_E
• 5/11/2023 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page 53 of 124
CENTURION Installation, Operation & Maintenance Manual
SECTION 6: SAFETY DEVICE TESTING
SECTION 6:
SAFETY DEVICE TESTING
6.1 Testing Safety Devices
Periodic safety device testing is required to ensure that the control system and safety devices
are operating properly. The Water Heater control system comprehensively monitors all
combustion-related safety devices before, during and after the start sequence. The following
tests check to ensure that the system is operating as designed.
Operating controls and safety devices should be tested on a regular basis or following service or
replacement. All testing must conform to local codes such as ASME CSD-1.
NOTE: Manual
and
Auto
modes are required to perform the following tests. For a full
explanation, see
Edge Controller Manual
, OMM-0161 Section 4.1.
NOTE:
Front door and side panels must be removed to perform the tests described below.
W A R N I N G !
Disable power prior to wire removal or other procedures that can cause electrical shock.
A number of the Safety Device test procedures require the unit to be run in Manual Mode. This
is enabled by going to
Main Menu
→
Diagnostics
→
Manual Run
, then enabling the
Manual
Mode
control. Once this is done, the
Comm
LED on the Controller’s front face will go off and
the
MANUAL
LED will light.
Figure 6-1: Manual Run Screen