Nor-Lake Enviro-Control IOM - Manual (Page 14)

KE2 EvaporatorEfficiency
Installation Instructions
Parameter Name Description Range Default Current
ROOM TEMP Room temperature to be maintained -50°F to 90°F -10°F
DEFROST TYPE
Method of defrost used on the evaporator coil: Electric, Air, Hot Gas with Liquid Line Solenoid/Compressor relay off, Hot Gas with
Liquid Line Solenoid/compressor relay on
ELEC, AIR, HOT GAS COMP ON, HOT GAS COMP OFF
ELEC
VALVE TYPE Type of valve used on the system: mechanical, pre-configured electric, custom EEV configuration
MECHANICAL, KE2, SER/SEI 1 TO 20, SER B TO L, SEI 30, SEI 50, SEH, ETS12 TO 50,
ETS100, ETS250/400, KV, CAREL, CUSTOM;
MECHANICAL
Cust
om
EE
V O
nly
MOTOR TYPE If VALVE TYPE = CUSTOM: The motor type used in the valve BIPOLAR, UNIPOLAR BIPOLAR
MOTOR STEP RATE If VALVE TYPE = CUSTOM: The motor speed setting in number of steps per second 30 to 400 steps/second 200 steps
MAX VALVE STEPS If VALVE TYPE = CUSTOM: The total number of steps required to move the valve from closed to fully open 200 to 6400 steps 1600 steps
SUPERHEAT The superheat value that the controller will maintain, (not applicable if VALVE TYPE = MECHANICAL) 5°F to 30°F 8°F
MAX OPERATING PRES The maximum allowable suction pressure, (not applicable if VALVE TYPE = MECHANICAL) 10 to 150 psig 150 psig
REFRIGERANT The type of refrigerant used in the refrigeration system 404A, R507, 407A, 407C, 422A, 422D, 134A, R22, R717, 438A, 408A, 409A, 410A, 404A
AUX TEMP MODE Configuration mode of the auxiliary temperature sensor DISABLED, MONITOR, 2ND AIR TEMP, 2ND COIL TEMP DISABLED
AUX RELAY MODE Configuration mode of the auxiliary relay.
ALARM RELAY, 2 SPEED FAN CTL, 2ND COMP RELAY, 2ND FAN RELAY, 2ND DEFR
RELAY, LIGHT RELAY, CAMERA RELAY
ALARM RELAY
MIN COMP RUN TIME Minimum amount of time the liquid line solenoid/compressor relay must remain on after it is energized 0 to 15 minutes 2 minutes
MIN COMP OFF TIME Minimum amount of time the liquid line solenoid/compressor relay must remain off before it can be energized again. 0 to 15 minutes 5 minutes
REFRIG FAN MODE Fan operation while in refrigeration mode ON WITH COMPRESSOR, PERMANENT, CYCLE ON WITH COMPRESSOR
DEFROST MODE The method the controller uses to determine when to initiate a defrost. DEMAND, SCHEDULED, RUN TIME DEMAND
DEFROSTS / DAY If DEFROST MODE = SCHEDULED: The number of evenly spaced defrosts per day the controller will initiate. 0 to 8 5
1ST DEFROST DELAY If DEFROST MODE = SCHEDULED: The amount of time from controller power up until the first defrost is initiated. 0 to 240 minutes 120 minutes
DEFROST FAN STATE Whether or not to run the evaporator fans during defrost ON/OFF
OFF if DEFROST TYPE = ELEC, HOT GAS COMP ON, HOT GAS COMP OFF
ON if DEFROST TYPE = AIR
DEFROST TERM TEMP The temperature the coil sensor(s) must exceed in order to terminate defrost. The defrost relay is de-energized at this point. 35°F to 90°F
50°F if DEFROST TYPE = ELEC, HOT GAS COMP ON, HOT GAS COMP OFF
40°F if DEFROST TYPE = AIR
DEFROST PARAMETER The maximum amount of time the defrost relay will be energized. 0 to 90 minutes
25 minutes if DEFROST TYPE = ELEC
10 minutes if DEFROST TYPE = HOT GAS COMP ON, HOT GAS COMP OFF
40 minutes if DEFROST TYPE = AIR
DRAIN TIME Time to be in drain mode (drip time) 0 to 15 minutes 2 minutes
COMP RUN TIME If DEFROST MODE = RUN TIME: The amount of time liquid line solenoid/compressor relay is energized before the next defrost is initiated. 0 to 24 hours 6 hours
ELEC DEFROST MODE If DEFROST TYPE = ELEC: Whether to leave the defrost relay energized during the defrost cycle or to utilize advanced defrost algorithm. PULSE, PERMANENT PULSE
FAN DELAY TEMP After defrost, the coil sensor reading must fall below this temperature set point in order for the controller to resume normal fan operation. -40°F to 35°F 20°F
MAX FAN DELAY TIME Maximum amount of time after defrost to resume normal fan operation. 0 to 20 minutes 2 minutes
PUMP DOWN TIME Minimum amount of time between de-energizing the liquid line solenoid/compressor relay and energizing the defrost relay. 0 to 10 minutes 0 minutes
MULTI AIR TEMP CTRL Select control method to use with multiple room temperature sensors AVERAGE, WARMEST WARMEST
Bonded Con
tr
ol-
lers O
nly MULTI EVAP COOL
Select type of multi evaporator control - options are synchronous or independent SYNC, INDEPENDENT SYNC
MULTI EVAP DEFROST Select whether to have all bonded controllers initiate defrost mode at the same time or independently. SYNC, INDEPENDENT SYNC
MULTI EVAP SENSOR Select whether or not to share room temperature, coil temperature and suction pressure sensor data with bonded controllers. SHARED, NOT SHARED SHARED
HIGH TEMP ALARM OFFSET The number of degrees above ROOM TEMP for a HIGH TEMP ALARM condition. 0°F to 99.9°F 10°F
HIGH TEMP ALARM DELAY Minutes the room temperature must remain above ROOM TEMP + HIGH TEMP ALARM OFFSET before issuing a HIGH TEMP ALARM 0 to 120 minutes 60 minutes
LOW TEMP ALARM OFFSET The number of degrees below ROOM TEMP for a LOW TEMP ALARM condition. 0°F to 20°F 4°F
LOW TEMP ALARM DELAY Minutes the room temperature must remain below ROOM TEMP - LOW TEMP ALARM OFFSET before issuing a LOW TEMP ALARM 0 to 30 minutes 10 minutes
DOOR ALARM DELAY
If DIG IN (1, 2 and/or 3) MODE = DOOR SWITCH: The amount of time, in minutes, before an alarm condition is initiated if door is open and room
temperature is 5 degrees above ROOM TEMP + AIR TEMP DIFF
0 to 180 minutes
30 minutes
DIG IN 1 MODE Sets the function of the digital input DISABLED, 2ND ROOM TEMP, DOOR SWITCH, EXT ALARM, SYSTEM OFF DOOR
DIG IN 1 STATE Sets whether the switch activates when opened or closed OPEN, CLOSED CLOSED
DIG IN 2 MODE Sets the function of the digital input DISABLED, 2ND ROOM TEMP, DOOR SWITCH, EXT ALARM, SYSTEM OFF DISABLED
DIG IN 2 STATE Sets whether the switch activates when opened or closed OPEN, CLOSED CLOSED
DIG IN 3 MODE Sets the function of the digital input
DISABLED, 2ND ROOM TEMP, DOOR SWITCH, EXT ALARM, SYSTEM OFF, LIGHT
SWITCH, CAMERA SWITCH
DISABLED
DIG IN 3 STATE Sets whether the switch activates when opened or closed OPEN, CLOSED CLOSED
2ND ROOM TEMP If DIG IN (1, 2 and/or 3) MODE = 2ND ROOM TEMP: This value becomes the ROOM TEMP setpoint when the digital input is active -50°F to 90°F -50°F
SUCT PRES OFFSET An offset added or subtracted from the suction line pressure transducer reading to calibrate, if needed -5.0 to 5.0 psig 0.0 psig
SUCT TEMP OFFSET An offset added or subtracted from the suction temperature sensor reading to calibrate, if needed -5.0°F to 5.0°F 0.0°F
AIR TEMP OFFSET An offset added or subtracted from the room temperature sensor reading to calibrate, if needed -5.0°F to 5.0°F 0.0°F
COIL TEMP OFFSET An offset added or subtracted from the coil temperature sensor reading to calibrate, if needed -5.0°F to 5.0°F 0.0°F
AUX TEMP OFFSET An offset added or subtracted from the auxiliary temperature sensor reading to calibrate, if needed -5.0°F to 5.0°F 0.0°F
TEMP UNITS Units for temperature’s display in °F or °C FAHRENHEIT/CELSIUS FAHRENHEIT
AIR TEMP DIFF The number of degrees above ROOM TEMP before the controller will go into REFRIGERATION mode 0°F to 25°F 1°F
EXTREME TEMP DIFF ADVANCED TOPIC: Call KE2 Therm for assistance
Setpoints Menu
14 01/13 Rev. A 151627
Enviro-Control™