© 2018 nVent
89091001
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SYMBOL
COLOR
ICON ON
ICON FLASHING
1,2,3,4
AMBER
1. Compressor On
2. TLAN Device ID
3. Flashing at start up request is standalone mode
4. Master-Slave Mode:
1: TLAN Master.
2,3,4: TLAN Slave. Device ID 2,3,4 are not active in standalone mode
A
AMBER
Compressor On
Active when compressor is ON
B
AMBER
Evaporator Fan On
Start-up Request
C
AMBER
Not Used
Not Used
D
AMBER
Master Unit
Active when this is the TLAN Master
E
AMBER
Heater Active
Not Used (always OFF)
F
RED
Alarm Active
Active if there is an alarm condition
G
AMBER
Controller Active
ON indicates power and activates all functions. OFF indicates
controller is in standby mode and all functions are OFF
H
AMBER
Not Used
Not Used (always OFF)
NOTE: On the smart controller, the display symbols for “H” and “E” are always OFF. If they
turn ON, simply hold the “sun” button for greater than 5 sec to turn OFF. The electric
heater “E” symbol is required to minimize the heating setpoint (parameter A04) and/or defrost
setpoint (parameter A01). Then, hold the “Cooling” button for great than
5 sec to turn ON the snowflake symbol (“G”).
DISPLAYING AND CHANGING PROGRAM VARIABLES
Access:
To view and/or change parameters, press and hold the Prg and Sel buttons for greater than 5 seconds.
Press the up or down arrow buttons until “22” is displayed, then press Sel button. When “S-P” is displayed, press
Sel.
Navigation:
Press up or down arrows to display sub-menus then press Sel to select the desired sub-menu. In the
sub-menu, use up or down arrows to display parameters for viewing or changing and press Sel. Use Prg button to
back out of menu levels as desired.
Adjust:
Use the up or down arrows to change the parameter value then push Sel to save that setting. If Sel is not
pressed, the change to the value will not be saved. Navigate to and change other parameters as desired. When
finished, push Prg to back out of the sub-menus to the main menu.
NOTE: The display will revert to normal temperature display mode if no buttons are pressed
for 60 seconds.
MODELS WITH °C CONTROLLER
Cooling turns ON at r01 (setpoint) and OFF at r01 (setpoint) – r02 (differential).
For example, using default values form the table below, cooling will turn ON at 35°C (setpoint) and turn
OFF at 30°C (setpoint – differential).
OPERATING PARAMETERS
Parameter
Description
Default Value
Range
r01
Cooling set-point
35 C
20 C to 55 C
r02
Cooling differential
5 C
-
P08
Door Open and/or smoke detected
28
4 or 28
ALARM PARAMETERS
Parameter
Description
Default Value
Range
P16
High Temperature Alarm
55 C
-
P19
Low Temperature Alarm
14 C
-
