Digital Controller Operation - Bradley Keltech SNA Serie Manual Del Usuario

Installation
6

Digital Controller Operation

The preprogrammed digital controller is mounted through the bezel on the enclosure door. The digital
controller will not be powered until water is flowing through the heater. The bottom display will then display
the setpoint temperature (See Digital Controller Operation section for more information).
Description
EZ Key
Setpoint Up Button
Setpoint Down Button
Infinity Key
Advance Key
Output Indicators (1-5)
Setpoint Temperature
(Lower Display)
Output Temperature
(Upper Display)
Layout Diagram
EZ Key
Infinity Key Advance Key
Bradley • 215-1815 Rev. E; ECN 16-17-016
Upper Display Lower Display
Auto, Man, Off
XX .X%
no
C or F
In Green
In Red
ON - Heating
Output Indicators
1
2
Output Temp .
3
4
Setpoint Temp .
5
Setpoint Up
Setpoint Down
Function
Toggles output on/off (Disabled on SNA Models)
Increases output temperature (Disabled on SNA
Models)
Decreases output temperature (Disabled on
SNA Models)
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Advances through parameter prompts
C .r71 Turns Control Loop On/Manual/Off (Disabled on
SNA Models)
h .Pr1 Heater Power % (Disabled on SNA Models)
AUt1 Autotune (Contact Factory) (Disabled on SNA
Models)
C_F1 Change Temperature Units from F to C
Output 1,2,3,4 or 5 are active and operating if
these LEDs are illuminated .
Displays:
• Setpoint
• Percent Power
• Temperature units F or C
• Menu prompt name
• Alarm code
Displays:
• Actual process temp . of outgoing water
• Prompt parameter value
• Error code (feature disabled)
1
Output
2
Temp .
3
4 Setpoint
Temp .
5
6/10/2016
SNA-Series Tankless Heater
OFF - No Flow
1
2
3
4
5
Blank
11