K2 Scientific K212 User manual
IMPORTANT:
Your Unit is Preprogrammed
Place your unit in the desired location. Plug the unit in and allow it to cool and become
stable for a minimum of 24 hours before logging temperature or stocking products.
Be Careful When Setting or Changing Temperatures
WARNING: Changing some controller parameters can result in potentially damaging
your unit and/or losing your products. K2 will not be held responsible for losses due to
improper controller programming.
Unfamiliar with the operation of a K2 controller?
Use the video tutorials on our website resources page or call us for assistancee with
special parameters.
Some K2 units can be changed from Celsius to Fahrenhiet. We do not recommend
changing your unit to Farhenheit. Your controller has operational parameters that rely
on data in Celsius to maintain proper function.
Thank you for your purchase.
This manual contains: set-up instructions, unit specs, safety information,
controller operation and maintenance steps.
Evco Controller Operating Manual
K212, K225, K249, K272
CONTENTS
1. Front Panel Commands
2. General Operations
3. Parameters
4. Alarms
5. Electrical Connection
6. Temperature Logging
Front Panel Commands
1
Evco Operating Manual
• Make sure the keypad is unlocked and press the DOWN
key for 4s.
• Scroll through the menu labels with the UP and DOWN
keys.
• CH label: displaying compressor operating
hours.
• rCH label: compressor operating hours reset.
• nS1 label: compressor star-up time.
• To access the label press SET.
•In order to reset the compressor operating hours once
selected the rCH label, insert the password “149” using
the UP and DOWN keys then conrm touching the SET
key.
•Touch the ON/STANDBY key to exit the procedure.
General Operations
2
Evco Operating Manual
Keypad Unlocking
Compressor Opperational Time
Date and Time
Buzzer
Cabinet Light
• If the parameter Loc=1 (default) after 30s* without
any keys of the display has been pressed, the display
will show the label “Loc” and the keypad will lock
automatically.
• To unlock the keypad, touch the SET key for 1s. Then
the display will show the label “UnL”.
• If the parameter is u1=0
• Touch the ON/STAND-BY key.
• Ensure the keypad is unlocked then press the DOWN
key for 4s.
• Scroll through the menu’s labels UP or DOWN key up to
the “rtc” label then press the SET key.
• The moniter will display “yy” followed by the two last
digits of the year.
• Set the yeat using the UP or DOWN key then press the
SET key to conrm.
• Repeat the operation for the following labels:
• n: month (01 to 12)
• d: day (01 to 31)
• h: time (00 to 23)
• n: minutes (00 to 59)
• If the parameters u1=3 and u4=1 touch any key to shut
down the buzzer alarm.
Displaying Temperature Probes
Manual Defrost
• First, check the keypad is not locked (and in case unlock
it) and the overcooling cycle is not activated.
• Press the UP key, holding it for 2s.
• If the parameter P3=1 and the evaporator temperature
value is lower than the parameter d2, defrost cycle will
start.
• Ensure the keypad is unlocked then press the DOWN
key for 4 sec.
• Scroll through the menu’s labels by the UP or DOWN
key.
•Pb1: cabinet temperature probe
(if parameter P4=0,1 or 2); inlet air
temperature probe (if parameter P4=3).
•Pb2: Evaporator temperature probe (if
parameter P3=1 or 2)
•Pb3: Auxiliary temperature probe
(If P4=1, 2 or 3).
• To access the label press SET.
• Touch the ON/STANDBY key to exit the procedure.
Temperature Settings
• If the keypad is locked, rst unlock it.
• Touch the SET key then set the desired temperature by
pressing the UP or DOWN keys within 15s according with
the limits range of the set point (parameters r1 and r2)
• Press SET to conrm.
*s=seconds
Evco Operating Manual
Alarms
4
5Electrical Connection
Evco Operating Manual
Parameters
3
Accessing Operational Parameters
• Touch the SET key for 4 sec, the moniter will display the label “PA”
• Press the SET key and insert the password “-19”
• Press SET key to conrm
• Scroll through the parameters list using the UP or DOWN key
• For modifying a parameter value, press SET key at the parameter
label then adjust the value by the UP or DOWN key
• Press SET key to conrm the changing
•Press SET key for 4 sec or do not operate for 60 sec to exit the
procedure.
WARNING:
Do not modify prameters in this unit without fully understanding
their function. Please consult K2 Scientic support. k2sci.com/kb
N Parameter Default Setpoint
1 SP 0.0 setpoint
8 P3 1evaporator probe function
13 r0 2.0 setpoint differential
14 r1 -50 minimum setpoint
15 r2 50.0 maximum setpoint
33 d0 8automatic defrost interval
34 d1 0defrost type
35 d2 8.0 threshold for defrost end
36 d3 30 defrost duration
51 AA 0select value for high/low temperature alarms
52 A1 -10.0 threshold for low temperature alarm
53 A2 2low temperature alarm type
54 A4 10.0 threshold for high temperature alarm
55 A5 2high temperature alarm type
74 i0 5door switch input section
75 i1 0door switch input activation
76 i2 30 open door alarm delay
Basic parameters
Evco Operating Manual
Full list of parameters
Evco Operating Manual
Evco Operating Manual
Evco Operating Manual
Evco Operating Manual
Evco Operating Manual
Service
K2 Scientific want to make sure you are happy with your purchase.
There are several ways for you to contact us with questions or
service needs. Be sure to include your four digit order number or at
least your model number handy to speed up the process.
1; Contact us via our chat feature at www.k2sci.com
3: Call 800-218-7613
When storing vaccines you may be required to preform a eld validation test. A NIST callibrated
external data logger may be used for this purpose. A logger with text, email or online access is
an added layer of protection for your product load in the event of a temperature excursion. K2
offers NIST calibrated data loggers to match your unit at a very affordable rate.
Temperature Logging
6
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