KE2 EvapOEM, Quick Start Manual

Page: 6 / 12

KE2 Evap OEM
Quick Start Guide
Q.1.45 May 2019
Page 6
Menus and Parameters
ADVANCED Setpoints Menu
Basic (Remote) Display KE2 Combo Display
Min Max Default Description
Abbreviation Scrolling Text
tS tS ROOM TEMP -50.0 0F 90.0 0F 0.0 0F Room Temp Setpoint - Walk-in room temp to be maintained
rFG
rF
REFRIgERANT
N/A N/A R-404A Type of refrigerant used: See table on page 8.
dtY dtY DEFROST TyPE N/A N/A Electric
Type of Defrost for Evap: ELE for Electric/ Ai for off time/ HGn for hot gas w/
comp on/ HGF for hot gas w/comp off
Edt
Edt
VALVE TyPE
N/A N/A Mechanical
Type of valve used on system: mechanical, pre-configured electric, custom
EEV configuration
ind
ind
DEFROST MODE
N/A N/A Demand Mode to initiate a defrost: dnd-demand; SCH-Schedule; rnt-comp run time
dPd dPd DEFROSTS / DAy 0 8 5
Defrosts per day - If DEFROST MODE = SCH: Number of evenly spaced
defrosts per day the controller will initiate.
dtP
dtP
DEFROST TERM TEMP 35.0 0F
90.0 0F 50.0 0F
The temperature the coil sensor(s) must exceed in order to terminate de-
frost. The controller’s defrost mode is complete at this point.
dEF dEF
DEFROST
PARAMETER
0 90 30 if DEFROST MODE = DEMAND: Coefficient to KE2 Defrost algorithm
dtL
dtL
MAX DEFROST TIME
0 min 90 min 45 min
If DEFROST MODE = SCH: The maximum amount of time the defrost relay
will be energized. (Not available if DEFROST MODE = DEMAND)
drn drn DRAIN TIME 0 min 15 min 2 min Time to be in drain mode (drip time)
rFt rFt REFRIg FAN TyPE
Manage/Cycle,
Permanent, On with
Compressor, Title 24
On with
Compressor
Manage/CYC - manage fans during refrig cycle; Permanent/PEr - fans on
permanently during refrigeration cycle; On with Compressor/FoC - manage
fans in OFF, then ON in refrigeration; Title 24/t24 - Cycle fans based on Title
24 regulations.
FoC FOC FANS ON COMP — — — Manage fans in OFF, then ON in refrigeration
PEr
PEr
FANS PERMANENT
— — — Fans on permanently during refrigeration cycle
CYC
CYC CyCLE — — — Cycle (Managed) manage fans during refrig cycle
t24 t24 TITLE 24 — — — Cycle fans based on compliance with California Title 24 regulations
Stt
Stt
SUPERhEAT
5.0 F0 30.0 F0 8.0 F0 Target superheat value. Only applies when non-mechanical valve selected.
LPt LPt
LOW PRESSURE CUT
OUT TIME
0 min 15 min 0 min Only applies when non-mechanical valve selected; 0=Disabled
LPC
LPC
LOW PRESSURE CUT
OUT
-5.0 psig 138.0 psig 8.0 psig
Displays when LOW PRESSURE CUTOUT TIME (LPt) is greater than zero.
And,only applies if non-mechanical valve is selected
LPd LPd
PRESS DIFF FOR
LPCO
1.0 psig 20.0 psig 15.0 psig
Pressure Differential for LPCO - Displays when LOW PRESSURE CUTOUT
TIME (LPt) is greater than zero. And, only applies if non-mechanical valve is
selected
rnt rnt COMP RUN TIME 0 hrs 24 hrs 6 hrs
Compressor Run Time - When rnt selected, number of hours of cooling
before starting defrost
Htn Htn
ELECTRIC DEFROST
MODE
N/A N/A Pulse
If DEFROST TYPE = ELE: Whether to leave the defrost relay energized during
the defrost cycle or to utilize advanced defrost algorithm. PUL = Pulse, Prn
= Permanent
HAo HAo
hIgh TEMP ALARM
OFFSET
0 F0 99.9 F0 10.0 F0 Number of degrees above ROOM TEMP for a HIGH TEMP ALARM condition.
HAd
HAd
hIgh TEMP ALARM
DELAy
0 min 120 min 60 min
Minutes the room temperature must remain above ROOM TEMP + HIGH
TEMP ALARM OFFSET before issuing a HIGH TEMP ALARM
LAo LAo
LOW TEMP ALARM
OFFSET
0 F0 20.0 F0 4.0 F0 Number of degrees below ROOM TEMP for a LOW TEMP ALARM condition.
LAd
LAd
LOW TEMP ALARM
DELAy
0 min 30 min 10 min
Minutes the room temp must remain below ROOM TEMP-LOWTEMP ALARM
OFFSET before issuing a LOW TEMP ALARM
dAd dAd DOOR ALARM DELAy 0 min 180 min 30 min
If AU IN (1, 2 and/or 3) MODE = dor The amount of time, in minutes, before
an alarm condition is initiated, if door is open & room temperature is 5
degrees above ROOM TEMP + AIR TEMP DIFF
AU1 AU1 AUX IN 1 MODE N/A N/A Disabled See Auxiliary Input Modes table
A1A
A1A
AUX IN 1 STATE
N/A N/A Closed oPn= active if input is an open / CLo=active if input is shorted
AU2
AU2
AUX IN 2 MODE
N/A N/A Disabled See Auxiliary Input Modes table
A2A A2A AUX IN 2 STATE N/A N/A Closed oPn= active if input is an open / CLo=active if input is shorted
AU3
AU3
AUX IN 3 MODE N/A N/A Sys Off See Auxiliary Input Modes table
A3A
A3A
AUX IN 3 STATE
N/A N/A Closed oPn= active if input is an open / CLo=active if input is shorted
tS2 tS2 ROOM TEMP -50.0 0F 90.0 0F -50.0 0F
If AU IN (1, 2 and/or 3) MODE = (t2n) 2ND ROOM TEMP: This value becomes
the ROOM TEMP setpoint when the digital input is active
Unt
Unt
TEMP UNITS
N/A N/A Fahrenheit Units for temperature’s display in 0F or 0C; FAH = Fahrenheit, CEL = Celsius
BASIC Setpoints Menu
Basic (Remote) Display KE2 Combo Display
Min Max Default Description
Abbreviation Scrolling Text
tS tS ROOM TEMP -50.0 0F 90.0 0F 0.0 0F Room Temp Setpoint - Walk-in freezer or cooler room temp to be maintained
rFG
rF
REFRIgERANT
N/A N/A R-404A Type of refrigerant used: see table below
dtY
dtY
DEFROST TyPE
N/A N/A Electric
Type of Defrost for Evap: ELE for Electric/ Ai for off time/ HGn for hot gas w/
comp on/ HGF for hot gas w/comp off