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Benchmark with Edge [I]: Operation-Maintenance Manual
SECTION 5
– SAFETY DEVICE TESTING
OMM-0145_A99
• GF-218 • 9/18/2019 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page
85
of
157
5.5 WATER TEMPERATURE FAULT TEST
A high-water temperature fault is simulated by adjusting the
Automatic
Reset
Over-
Temperature
switch.
Water Temperature Fault Test Instructions
1. Start the unit in the normal operating mode. Allow the unit to stabilize at its setpoint.
2. Lower the adjustable Over-Temperature switch setting to match the displayed
OUTLET
TEMPERATURE
.
NOTE:
If the Controller’s is not configured to display outlet temperature, go to the
Main Menu
→
Advanced Setup
→
Unit
→
Front Panel Configuration
screen
and
set the
Upper-Right
Display
parameter to
Water Outlet
.
Figure 5-5b: Edge [i] Controller Front Face
3. Once the adjustable Over-Temperature switch setting is approximately at, or just below, the
actual outlet water temperature, the unit should shut down. The FAULT indicator should start
flashing and a
HIGH WATER TEMP SWITCH OPEN
fault
message should be displayed. It
should not be possible to restart the unit.
4. Reset the adjustable Over-Temperature switch to its original setting.
OUTLET
TEMPERATURE
INDICATOR
OUTLET
TEMPERATURE