Air Flow Fault Tests - Watts Aerco Innovation 800 User Manual

Innovation Hot Water Hot Water Boiler User Manual
10. Since the manual gas shutoff valve is still closed, the unit will shut down and display
FLAME LOSS DURING IGNITION following the IGNITION RETRY cycle.
11. Open the valve previously closed in step 8.
12. Press the CLEAR button. The unit should restart and fire.
HIGH GAS
PRESSURE SWITCH
MANUAL SHUTOFF
VALVE
Figure 5-3. Manual Gas Shut-Off Valve Location (INN800-1060 Gas Train)

5.8 AIR FLOW FAULT TESTS

These tests check the operation of the Blower Proof switch and Blocked Inlet switch shown in
Figure 5-4.
1. Disable the blower output drive voltage as follows:
Press the MENU key until CONFIGURATION MENU is displayed.
(a)
Press the ▲ arrow key until the ANALOG OUTPUT function is displayed, then
(b)
press the CHANGE key.
Press the ▼ arrow key until OFF is displayed, then press the ENTER key.
(c)
2. Start the unit in the Manual mode at a valve position of 25%.
3. The unit should shut down and execute an IGNITION RETRY cycle by performing the
following steps:
The unit will execute a 30 second re-ignition delay and display WAIT RETRY
(a)
PAUSE.
The unit will then execute a standard ignition sequence and display WAIT
(b)
IGNITION RETRY.
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11/15/2016
CHAPTER 5 – SAFETY DEVICE TESTING
Flame Fault Tests – Continued
Air Flow Fault Tests
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913
Phone: 800-526-0288
- INTERNATIONAL
SSOV
TO AIR/FUEL VALVE
LOW GAS
PRESSURE
SWITCH
OMM-0120_0A
GF-128-I