AERCO RECON 1000 - Manual (Page 73)

RECON Water Heaters Installation, Operation & Maintenance Manual
CHAPTER 5 – SAFETY DEVICE TESTING
OMM-0103_0A AERCO International, Inc.  100 Oritani Dr.  Blauvelt, NY 10913 Page 73 of 178
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Flame Fault Tests – Continued
11. Open the valve previously closed in step 8.
12. Press the CLEAR button. The unit should restart and fire.
Figure 5-3: Manual Gas Shut-Off Valve Location (RECON 1000 Shown)
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.
Air Flow Fault Tests
1. Disable the blower output drive voltage as follows:
(a) Press the MENU key until CONFIGURATION MENU is displayed.
(b) Press the ▲ arrow key until the ANALOG OUTPUT function is displayed, then press
the CHANGE key.
(c) Press the ▼ arrow key until OFF is displayed, then press the ENTER key.
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:
(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) Press the MENU key until CONFIGURATION MENU is displayed.
(b) Press the ▲ arrow key until the ANALOG OUTPUT function is displayed, then press
the CHANGE key.
(c) Press the ▲ arrow key until VALVE POSITION 0-10V is displayed, then press the
ENTER key.
MANUAL
SHUTOFF
VALVE