Watts Aerco INN 1060N - Page 120

Innovation - Edge [i] Installation, Operation, Maintenance Manual
CHAPTER 8 – WATER HEATER MANAGEMENT
OMM-0143_A • GF-216 • 9/6/2019 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page 120 of 170
WHM Client screen WHM Manager screen
Figure 8.6-4: Operating Controls: Sequencing Controls Screens
TABLE 8-6e: Operating Controls → Anti-Cycling Parameters
Menu Item Display
Available Choices or Limits
Default
Minimum
Maximum
On Delay
30
300
30
The minimum length of time a unit must stay off after shutting down or going into standby.
Slow Shutdown
Enabled/Disabled
Enabled
Once Slow Shutdown is enabled on a unit, if the unit is run at a fire rate above Off Delay
Threshold and then shuts down, the fire rate will be reduced to the Stop Level for a period of
time defined in Off Delay. This feature prevents units running at high fire rates from being
quickly turned off and flushed with cold water, thereby possibly damaging the heat exchanger.
Off Delay
0
9999
60 sec.
Specifies the amount of time the full shut down will be delayed when Slow Shutdown is
enabled
Off Delay Threshold
40%
100%
60%
The threshold fire rate above which the Slow Shutdown feature will take effect
Shutoff Delay Temp
0
25
5
Specifies the temperature above setpoint the unit may rise to during delay shutdown.
Demand Offset
0
25
5 deg.
Offset temperature from setpoint before a unit may come online.