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21.7.13
BAS T/O
This is the amount of time the unit controls will wait to receive a communication string from the BMS controller before
reverting back to its own internal parameters. This parameter is adjustable by the installer by accessing the BAS T/O
parameter. The adjustment range of this parameter is 5 seconds to 2 minutes. The default value is 10 seconds.
21.8
CIRCULATION PUMPS
21.8.1
DHW PUMP DELAY
The DHW pump delay parameter sets the length of time the DHW pump will run after a DHW demand has been
satisfied. This parameter is adjustable by the installer by accessing the DHW Pump Delay parameter. The time range
for this parameter is 10 seconds to 40 minutes. The default time is 1 minute.
21.8.2
DHW PUMP ANTI-SEIZE DELAY
If the water heater pump does not run for 24 hours, it will be turned on briefly to prevent it from seizing. The length of
time it runs is determined by the DHW Pump Anti-Seize Delay parameter. The range of this setting is 0 seconds to
40 minutes. The default setting is 20 seconds.
21.9
SERVICE NOTIFICATION
21.9.1
SERVICE NOTIFICATION IN MONTHS
When the water heater control determines that a scheduled service is due based on days of installation, the water
heater display will turn yellow and a new status screen will appear informing the user that maintenance is required.
This parameter is adjustable by the installer by accessing the Service Notification in Months parameter. The time
range for this parameter is 0 months to
100 months. The default time is 12 months.
21.9.2
SERVICE NOTIFICATION RUNNING TIME
When the water heater control determines that a scheduled service is due based on the hours of actual operation, the
water heater display will turn yellow and a new status screen will appear informing the user that maintenance is
required. This parameter is adjustable by the installer by accessing the Service Notification Running Time parameter.
The time range for this parameter is 0 hours to 17,500 hours. The default time is 8,760 hours.
21.9.3
SERVICE NOTIFICATION CYCLES
When the water heater control determines that a scheduled service is due based on the number of water heater
cycles, the water heater display will turn yellow and a new status screen will appear informing the user that
maintenance is required. This parameter is adjustable by the installer by accessing the Service Notification Cycles
parameter. The range for this parameter is 0 cycles to 100,000 cycles.
The default is 50,000 cycles.
21.9.4
RESET MAINTENANCE REMINDER
Once servicing has been completed, the service notification counter should be reset. This parameter can be reset by
the installer by accessing the Reset Maintenance Reminder parameter. Once accessed, press the RESET key to
reset the service notification counter.
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