© Copyright 2018 KE2 Therm Solutions, Inc., Washington, Missouri 63090
Q.2.43 April 2018
Page 7
KE2 Compressor
Sequencer
Quick Start Guide
Critical Alarms:
the System is NOT working & Red LED is illuminated
Alarm Name
Description
*Low Suction
Superheat
• If the suction superheat is below the min Suction SH
(Minimum Suction Superheat)
setpoint for longer than min/max SH Delay
(Minimum/
Maximum Superheat Delay)
- All stages will be turned off
- The controller will send a notification to the email address or phone number provided in the Address for Alerts field on the
Settings page of the controller.
- The Red LED on the front Panel will be illuminated
- The controller will scroll Low Suction Superheat across the front panel
*High
Suction
Superheat
• If the suction superheat is below the max Suction SH
(Maximum Suction Superheat)
setpoint for longer than min/max SH Delay
(Minimum/
Maximum Superheat Delay)
- All stages will be turned off
- The controller will send a notification to the email address or phone number provided in the Address for Alerts field on the
Settings page of the controller.
- The Red LED on the front Panel will be illuminated
- The controller will scroll High Suction Superheat across the front panel
*High
Discharge
Temperature
• If the discharge temperature is above max Disch Temp
(Maximum Discharge Temperature)
setpoint for longer than max Dis Tmp Del
(Maximum Discharge Temperature Delay)
- All stages will be turned off
- The controller will send a notification to the email address or phone number provided in the Address for Alerts field on the
Settings page of the controller.
- The Red LED on the front Panel will be illuminated
- The controller will scroll High Disch Temperature across the front panel
- NOTE: The max discharge temperature alarm turns on at the setpoint and turns off at 18 degrees F below its setpoint.
*High
Discharge
Pressure
• If the discharge pressure is above the max Disch Pres
(Maximum Discharge Pressure)
for longer than the max Dis Prs Del
(Maximum Discharge
Pressure Delay)
- All stages will be turned off
- The controller will send a notification to the email address or phone number provided in the Address for Alerts field on the
Settings page of the controller.
- The Red LED on the front Panel will be illuminated
- The controller will scroll High Disch Pressure across the front panel
Discharge
Pressure
Sensor Alarm
• If the Discharge Pressure Sensor is Alarming, the sensor is shorted, open, or out of range.
- All stages will be turned off
- The controller will send a notification to the email address or phone number provided in the Address for Alerts field on the
Settings page of the controller.
- The Red LED on the front Panel will be illuminated
- The controller will scroll Discharge Pres Sensor
across the front panel
Discharge
Temperature
Sensor Alarm
• If the Discharge Temperature Sensor is Alarming, the sensor is shorted or open.
- All stages will be turned off
- The controller will send a notification to the email address or phone number provided in the Address for Alerts field on the
Settings page of the controller.
- The Red LED on the front Panel will be illuminated
- The controller will scroll T3 Disch Sensor across the front panel
Suction
Pressure
Sensor Alarm
• If the Suction Pressure Sensor is Alarming, the sensor is shorted, open, or pressure is out of range.
- All stages will be turned off
- The controller will send a notification to the email address or phone number provided in the Address for Alerts field on the
Settings page of the controller.
- The Red LED on the front Panel will be illuminated
- The controller will scroll Pressure Sensor across the front panel
Suction
Temperature
Sensor Alarm
• If the Suction Temperature Sensor is Alarming, the sensor is shorted or open.
- All stages will be turned off
- The controller will send a notification to the email address or phone number provided in the Address for Alerts field on the
Settings page of the controller.
- The Red LED on the front Panel will be illuminated
- The controller will scroll T1 Suction Sensor
across the front panel
*
Alarms may be disabled by typing Disabled in the Time Delay field in the Alarms section of the Setpoints page.
