NU85 Ultra Low Freezer
Product Information
The freezer is an electrical appliance that is used for storing
frozen food items. It is equipped with safety features to prevent
fire, electric shock, and injury to the user. The unit must be
operated on a dedicated electrical line and must not be modified in
any way. The warranty may be voided if the plug is modified
improperly.
Illustrated Symbols
The safety manual contains various symbols that provide
information on how to use the unit without danger of injury or
damage. It is important to understand the warnings and cautions in
the manual before operating the unit.
Starting Instructions
Before using the freezer, read all instructions in the manual
and follow basic safety precautions. Do not position the equipment
so it is difficult to disconnect from the power supply. The freezer
must be at least 6 inches away from any wall or object on any side.
The covers on the back or side of the freezer may only be removed
by authorized personnel.
Pre-Installation Information
If the plug provided with the freezer does not fit the outlet,
have a proper outlet installed by a qualified electrician. The unit
must be operated on a dedicated electrical line to prevent startup
failure.
Freezer Storage Procedure
The freezer is designed for storing frozen food items. Follow
the recommended storage temperature to ensure that the food remains
safe for consumption. Changing the setpoint or operation
temperature should only be done by authorized personnel.
Alarm Battery Replacement
The low-battery alarm cannot be silenced or disabled. To reduce
the volume of the alarm until a replacement can be installed, place
a piece of tape over the buzzer hole on the control.
Cleaning Procedure
Disconnect the unit from the power supply before performing any
maintenance. Clean the air condenser and defrost the freezer
regularly to ensure optimal performance. Protect the control from
dripping water by placing a cloth or towel on the leading edge of
the cooling chamber above the control.
Alarm System
The unit is equipped with an alarm system to alert the user of
any potential issues. Do not attempt to repair or replace any part
of the freezer for servicing while under warranty without first
contacting the So-Low Service Department.
Dry Contact Relay
The dry contact relay is used for remote monitoring of the unit.
It should only be installed by authorized personnel.
Maintenance Checklist and Diagrams
Refer to the maintenance checklist and diagrams in the manual
for guidance on performing regular maintenance tasks.
Product Usage Instructions
- Read all instructions in the manual before using the
freezer. - Ensure that the freezer is at least 6 inches away from any wall
or object on any side. - Do not modify the plug provided with the freezer. If it does
not fit the outlet, have a proper outlet installed by a qualified
electrician. - Position the equipment so it is easy to disconnect from the
power supply. - Use the unit only on a dedicated electrical line to prevent
startup failure. - Follow recommended storage temperature to ensure that food
remains safe for consumption. - Do not attempt to change the setpoint or operation temperature
without authorization. - Clean the air condenser and defrost the freezer regularly to
ensure optimal performance. Disconnect the unit from the power
supply before performing any maintenance. - Protect the control from dripping water by placing a cloth or
towel on the leading edge of the cooling chamber. - Do not attempt to repair or replace any part of the freezer for
servicing while under warranty without first contacting the So-Low
Service Department.
To reduce the risk of fire, electric shock or injury to persons using this freezer, read all instructions and follow basic safety precautions before using the unit, including the following:
Do not modify the plug provided with the freezer. If it will not fit the outlet, have a proper outlet installed by a qualified electrician.
Do not position equipment so it is difficult to disconnect from the power supply. freezer must be at least 6″ away from any wall or object on any side.
While under warranty, do not attempt to repair or replace any part of the freezer for servicing without first contacting the So-Low Service Department.
SAVE THESE INSTRUCTIONS
MEANING OF ILLUSTRATED SYMBOLS…………………………………… STARTING INSTRUCTIONS…………………………………………………..
PRE-INSTALLATION INFORMATION…………………………………………
FREEZER STORAGE PROCEDURE………………………………………… ALARM BATTERY REPLACEMENT………………………………………….. CLEANING PROCEDURE…………………………………………………….. DEFROSTING PROCEDURE…………………………………………………. CLEANING AIR CONDENSER…………………………………………………
CHANGING SETPOINT / OPERATION TEMPERATURE………………….
ALARM SYSTEM……………………………………………………………….. 8 DRY CONTACT RELAY……………………………………………………….. 8
CONTROL KEYS & DISPLAYS……………………………………………….. 9 CONTROL DISPLAY VALUES………………………………………………… 10 DATA DOWNLOAD VIA USB………………………………………………….. 11 DATA UNLOCK MODE…………………………………………………………. 12 TEMPERATURE SCALE ADJUSTMENT…………………………………….. 13 CALIBRATION PROCEDURE………………………………………………….. 14
MAINTENANCE CHECKLIST DIAGRAMS
Various symbols are used in this safety manual in order to use the unit without danger of injury and damage of the unit. Be sure that you understand the warnings and cautions in this manual before operating the unit.
CAUTION
BLACK WITH YELLOW BACKGROUND LIGHTNING BOLT
CAUTION, RISK OF ELECTRICAL SHOCK
WARNING
BLACK WITH YELLOW BACKGROUND EXCLAMATION POINT
CAUTION, REFER TO ACCOMPANYING DOCUMENTS
WARNING
DURING OPERATION THIS UNIT MUST REMAIN IN UPRIGHT POSITION. DURING TRANSPORATION UNIT MUST NOT BE TIPPED MORE THAN 45° FROM UPRIGHT POSITION.
CAUTION
UNPLUG UNIT AND SWITCH OFF ELECTRICAL BREAKER BEFORE ANY TECHNICAL SERVICE IS PERFORMED.
CAUTION
COVERS ON BACK / SIDE OF FREEZER MAY ONLY BE REMOVED BY AUTHORIZED PERSONNEL. FAILURE TO RE-INSTALL COVER COULD RESULT IN HAZARD.
CAUTION
UNIT MUST BE OPERATED ON A DEDICATED ELECTRICAL LINE. USING A NON-DEDICATED LINE MAY RESULT IN UNIT STARTUP FAILURE.
CAUTION
ONLY PLUG THIS UNIT INTO THE PROPER OUTLET. DO NOT ATTEMPT TO MODIFY PLUG IN ANY WAY. IMPROPER USE OF THE ELECTRICAL PLUG WILL VOID WARRANTY.
WARNING
DO NOT POSITION EQUIPMENT SO IT IS DIFFICULT TO DISCONNECT FROM THE POWER SUPPLY.
ATTENTION
RISK OF ELECTRICAL SHOCK USE CAUTION NEAR ELECTRICAL CONNECTIONS
NOTICE
NOTICE
THE LO-BAT (LOW BATTERY ALARM) IS NOT ABLE TO BE SILENCED OR DISABLED. TO REDUCE THE VOLUME OF THE ALARM UNTIL A REPLACEMENT CAN BE INSTALLED, A PIECE OF TAPE CAN BE PLACED OVER THE BUZZER HOLE ON THE CONTROL
CAUTION
DISCONNECT THIS UNIT FROM THE POWER SUPPLY BEFORE PERFORMING MAINTENANCE ON THE UNIT.
ATTENTION
FOR UPRIGHT UNITS, IT IS IMPORTANT TO PROTECT THE CONTROL FROM DRIPPING WATER. PLACE A CLOTH OR TOWEL ON THE LEADING EDGE OF THE COOLING CHAMBER ABOVE THE CONTROL TO DEFLECT / ABSORB WATER THAT COULD DRAIN ONTO THE CONTROL.
ATTENTION
IT IS RECOMMENDED TO SLOWLY RE-ADD YOUR PRODUCT INTO THE FREEZER TO PREVENT AN EXTREME LOAD ON THE COMPRESSORS, WHICH COULD SHORTEN FREEZER LIFE EXPECTANCY.
ATTENTION
IT IS RECOMMENDED TO CLEAN THE CONDENSER AT LEAST ONCE EVERY 90 DAYS TO PREVENT DUST BUILDUP.
WARNING
CHANGING THE CONTROL PARAMETERS OUTSIDE OF THE MANUFACTURE RECOMMENDED RANGE, COULD SHORTEN THE LIFE-SPAN OF YOUR EQUIPMENT; OR CAUSE ISSUES RESULTING IN MECHANICAL FAILURE.
·
ATTENTION
THE BATTERY DOES NOT POWER THE COOLING SYSTEM.
WARNING
IF IT IS NECESSARY TO REMOVE METAL COVER SCREEN ON BACK OF FREEZER TO MAKE CONNECTIONS TO ALARM RELAY, COVER MUST BE REPLACED BEFORE FREEZER IS PUT INTO OPERATION
Icon Bar
Main Display
WARNING
DO NOT USE ANY SHARP OR METAL OBJECTS ON THE TOUCH SCREEN AS THEY MAY DAMAGE THE SURFACE. ALSO BE SURE THAT HANDS AND FINGERS ARE FREE FROM OILS OR CHEMICALS WHICH MAY MAR THE SURFACE OF THE TOUCH SCREEN
ICON NAME
ICON
DESCRIPTION
ATTENTION
LOADING TIME MAY REQUIRE SEVERAL SECONDS BEFORE INFORMATION IS DISPLAYED. RAPIDLY PRESSING ICONS MAY RESULT IN PARAMETERS BEING INCORRECTLY CHANGED UNINTENTIONALLY.
STEP DESCRIPTION ICON
1 2 3 4 5 6 7
INSTRUCTIONS
WARNING
DO NOT ATTEMPT TO REMOVE THE HARD DRIVE FROM THE DEVICE, AS DOING SO CAN RESULT IN DATA LOSS.
WARNING
DO NOT ATTEMPT TO REMOVE THE SD CARD FROM THE DEVICE, AS DOING SO CAN RESULT IN DATA LOSS.
1
2
3
4
ATTENTION
WHEN THE DATA SETTING IS TURNED OFF (DARK GREEN ICON), TEMPERATURE DATA WILL NOT BE RECORDED.
OPERATING SYSTEM
THE NCOMPASS CONTROL USES A CUSTOM WINDOWS CE BASED SOFTWARE STORED ON AN INTERNAL HARD DRIVE INSIDE THE DEVICE. FUTURE DESIGN CONTROLS WINDOWS CE BASED NCOMPASS DISPLAY AND CONTROL MODULE (IDEC PLC) SOFTWARE (LISTED AS “SOFTWARE” IN THIS DOCUMENT) IS PROTECTED BY COPYRIGHT LAWS AND INTERNATIONAL COPYRIGHT TREATIES, AS WELL AS OTHER INTELLECTUAL PROPERTY LAWS AND TREATIES. ALL OWNERSHIP AND RIGHTS REMAIN WITH FUTURE DESIGN CONTROLS. THE NCOMPASS CONTROL DOES NOT RECEIVE SOFTWARE UPDATES THOUGH THE INTERNET, OR OTHER MEANS.
TO REMOVE USER DATA FROM THE DEVICE, PLEASE CONTACT FUTURE DESIGN CONTROLS, INC. (888-751-5444)
STEP DESCRIPTION ICON
1 2 3 4 5 6 7 8 9 10
INSTRUCTIONS
OPERATING SYSTEM
ONCE THE TEMPERATURE SCALE HAS BEEN CHANGED, ALL PAST AND FUTURE TEMPERATURE DATA WILL BE CONVERTED INTO THE SELECTED TEMPERATURE SCALE.
STEP DESCRIPTION ICON
1 2 3 4 5 6 7 8 9 10 11
INSTRUCTIONS
OPERATING SYSTEM
IMPROPER USE OF CALIBRATION CAN CAUSE FREEZER TEMPERATURE INACCURACIES AND FLUCTUATIONS.
Q:
· · · · · ·
COMPRESSOR MODEL HP
TECUMSEH AJB2433ZXA 1
TECUMSEH AJB2433ZXD 1
EMBRACO FFI12HBX 1/3
DANFOSS SC15FTX
1/3
DANFOSS SC18FTX
1/2
VOLTAGE 115
208/220/230 115 115
208/220/230
HERTZ 50/60 50/60 50/60 50/60 50/60
PHASE 1 1 1 1 1
PART #
AJB24-115 AJB24-208 FF12-115 SC15-115 SC15-208
TEMPERATURE CONTROL PARTS FDC nCOMPASS
nCOMPASS
PART #
CASCADE ELECTRICAL PARTS Heater Harness No. H-200 Refrigeration Switch No. 2X464 Condenser Fan Motor No. GE-5411 – 115/60/1 Condenser Fan Motor No. GE-5421 – 230/50-60/1 Electrical Cord No. 8-3 (Please Specify Voltage) Control Board No. CECB2TUV (Please Specify Voltage)
PART #
217-VOLTAGE TOGGLE 500-115 500-VOLTAGE PWRCRD-VOLTAGE 231-VOLTAGE
REFRIGERATION HIGH STAGE PARTS Air Cooled Condenser No. 3CZ0602B Drier No. C-053-S Capillary Tube Oil Separator, Temprite Series 900 (If Applicable)
254 256H HS-17, HS-20 900
PART #
REFRIGERATION LOW STAGE PARTS Pressure Control No. 20PS01-0039 Receiver Condenser Drier No. CO-52S-S Capillary Tube Oil Separator, Temprite Series 900 (If Applicable)
259 RCN-LS 256L LS-28, LS-31 900
PART #
HARDWARE PARTS Latch No. METL-L1-99 Chest Hinge Upright Hinge No. Polar 109-LH Cabinet Gasket Lid or Door Gasket Grill No. 650H Sub-Lids (Must have Model Number) Inner Door (Must have Model & Serial Number) Clips & Rollers for Inner Doors (Quantity 10 minimum) Shelves for Freezer (Must have Model Number)
PART #
REX37L1-3 59-928M 59-928U NX504B1 PSOS 356F, 356S SL-MODEL NUMBER 357-MODEL NUMBER-SERIAL NUMBER 405 4015-MODEL NUMBER
WARNING
IF FAILURE OCCURS AND UNIT IS STILL UNDER WARRANTY, DO NOT ATTEMPT TO MAKE ANY REPAIR MODIFICATIONS TO THE UNIT BEFORE CONTACTING THE SO-LOW SERVICE DEPARTMENT, AS THIS MAY RESULT IN WARRANTY BEING VOIDED.
