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Tank Pre-Clean
The tank pre-clean feature when activated will activate the drain valve for a fixed period of time (depending on
unit size). The fill valve will then activate, filling the tank partially with cold water. At the completion of the fill cycle the
tank will once again drain.
This will help to flush out any accumulated minerals as well as cool the tank for the service personnel.
To pre-clean the tank press enter when CONTINUE is selected. During the tank pre-clean cycle the display will
indicate the tank is draining and the amount of time remaining on the cycle. To interrupt the cycle the unit must be
switched off then on. Must enter service password to activate this function.
Burners
This field allows the user to enable and disable individual burners for service reasons. Depending on the GSTC
model, only the number of burners installed will be displayed
After entering the user code (0335) the individual burner can be highlighted. Once ENTER is pressed, the burner
can be enabled or disabled.
Short Cycle Delay
The short cycle delay feature can be used to reduce the amount of ON/OFF cycles during operation. The feature
will cause a delay between cycles by forcing the system to wait a pre set period (seconds) before responding to a
demand signal.
The delay can be set from 1 to 1000 seconds. The default shall be 1 second since any larger value can result in a
less dynamic response of the system as a whole. This feature should only be used once a short cycle condition has
been identified.
BURNER 1
ENABLED
DISABLED
SERVICE INTERVAL
BURNER 1: ENABLED
BURNER 1: ENABLED
BURNER 2: ENABLED
BURNER 2: ENABLED
BURNER 3: ENABLED
BURNER 3: ENABLED
BURNER 4: ENABLED
BURNER 4: ENABLED
BURNER 5: ENABLED
BURNER 5: ENABLED
BURNER 6: ENABLED
BURNER 6: ENABLED
SERVICE HISTORY
FAULT HISTORY
TANK DRAIN
TANK PRE-CLEAN
SHORT CYCLE DELAY
BURNERS
SHORT CYCLE DELAY
SECONDS XX
SHORT CYCLE DELAY
CHANGE VALUE XX
SERVICE INTERVAL
SERVICE HISTORY
FAULT HISTORY
TANK DRAIN
TANK PRE-CLEAN
SHORT CYCLE DELAY
BURNERS
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