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Innovation - Edge [i] Installation, Operation, Maintenance Manual
CHAPTER 5
– SAFETY DEVICE TESTING
OMM-0143_A
• GF
-216
•
9/6/2019
Technical Support
•
(800) 526-0288
•
Mon-Fri, 8 am - 5 pm EST Page 73 of 170
Air Flow Fault Tests Instructions
DEFAULT MODE
MANUAL MODE
Figure 5.8-1: Analog Outputs Screen
3.
The unit should shut down and execute an IGNITION RETRY cycle by performing the
following steps:
(a)
The unit will execute a 30 second re-ignition delay and display
WAIT RETRY
PAUSE
.
(b)
The unit will then execute a standard ignition sequence and display
WAIT
IGNITION RETRY
.
4.
The unit should perform two IGNITION RETRY cycles and then shut down on the third
successive ignition attempt. The unit will display
Airflow Fault During Purge
.
5.
Re-enable the blower output drive voltage by performing the following steps:
(a)
Go to:
Main Menu
→
Diagnostics
→
Analog Outputs and Relays
→
Analog
Outputs
.
(b)
Press the
Manual
button; the Blower is now operational again.
(c)
Press the
CLEAR
button; the unit should restart.
6.
Once the unit has proved flame, turn off the blower again by repeating Step 1.
7.
The
Blower Proof
switch will open and the blower should stop. The unit should shut down
and display
Airflow Fault During Run
.
8.
Re-enable the blower output drive voltage
by repeating Step 5, then press the
CLEAR
button; the unit should restart.
9.
Next, check the operation of the
Blocked Inlet
switch located on the inlet side of the
Air/Fuel Valve (Figure 5.8-2).
10.
Ensure that the sheet metal panels are securely installed on the water heater and the unit is
running.
11.
At the rear of the unit, partially block the air inlet (Figure 5.8-3) with a plywood sheet or metal
plate.
12.
The unit should shut down and again display
Airflow Fault During Run
.
13.
Unblock the air inlet and press the
CLEAR
button. The unit should restart.