12
HL-Series Tankless Heater
Installation
3/29/2018
Bradley •
215-1823 Rev. F; ECN 18-17-017
NEMA 4/4X Digital Controller Operation
7
Keys and Displays
Upper Display
Lower Display
Function
Setpoint Up Button
Increases output temperature
Setpoint Down Button
Decreases output temperature
Infinity Key
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Advance Key
Advances through output parameters
Output Indicators (1-5)
Output 1,2,3,4 or 5 are active and operating if
these LEDs are illuminated .
Setpoint Temperature
(Lower Display)
Displays:
• Setpoint
• Percent Power
• Temperature units F or C
• Menu prompt name
• Alarm code
Output Temperature
(Upper Display)
Displays:
• Actual process temp . of outgoing water
• Prompt parameter value
• Error code
Output Indicators
Output Temp .
Output
Temp .
Output
Temp .
No Flow
Setpoint
Temp .
Setpoint Temp .
Setpoint Up
Setpoint Down
Advance Key
Infinity Key
EZ Key
Layout Diagram
ON - Heating
OFF - No Flow
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
