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Setting the Temperature

To change the set temperature, press and release the

Menu

keypad once.  The display will flash SP and the

Mode LED will be illuminated.  The last set temperature
will then be shown in the display.  To change the tempera-
ture, press the 

UP

or 

DOWN

arrow key.  The adjustable

temperature range is 0 to -30°C (32 to -22°F).  When the
desired set temperature is displayed, press the 

Menu

key-

pad to enter the set temperature and activate the 

Units

Select

menu.

Units Select

The second menu selects the units.  The freezer control
displays temperature in °C or °F.  The factory setting is
°C.  Starting from the temperature display mode (Mode
LED off), press the 

Menu

key twice.  The current temper-

ature units are displayed.  To switch between units, press
the UP or DOWN arrow key to change to the desired
units, then press the 

Menu

key to select.  The desired

unit LED will be displayed on the right of the temperature
display.  

Calibration Offset

In the event the freezer needs calibrated, a simple routine
is available to adjust the display and control point to a ref-
erence standard.  To set the temperature offset, press
and hold the 

Menu

keypad for 5 seconds.  The display

will flash oS (offset) followed by the last temperature off-
set value.  The factory setting is 0.  To change the offset
value, press the UP or DOWN arrow key, then press the

Menu

key.  The value shown in the display will be added

to the previous temperature reading.  The maximum off-
set value is ±5°C (±9°F).

For Example:
The freezer has been operating at -15°C for 30 minutes.
The display indicates -15°C but a reference thermometer
in the chamber indicates -17°C.  The operator presses
and holds the 

Menu

keypad for 5 seconds and changes

the offset value from 0 to -2.  The 

Menu

key is pressed

until the 

Mode

LED goes out.  Now the display indicates a

11

O

PERATION

Содержание Isotemp 13-986-223F

Страница 1: ...Isotemp Laboratory Freezers Freezer Models 13 986 223F FA FR 13 986 223FHK 223FRHK 223FAHK 13 986 247F FA FR 13 986 247FHK 247FRHK 247FAHK 13 986 274F FA FR 13 986 274FHK 274FRHK 247FAHK 102999 Rev A...

Страница 2: ...Casters 6 Leveling the Unit 6 Shelves 6 Shelf Installation 7 Chart Recorder 7 Compressor Mounts 7 Electrical Connection 9 Operation 10 Control Layout 10 Temperature Controller 10 Setting the Temperat...

Страница 3: ...arranty This product is not intended nor can it be used as a ster ile or patient connected device In addition this appara tus is not designed for use in Class I II or III locations as defined by the N...

Страница 4: ...carrier Concealed Loss or Damage Concealed loss or damage refers to loss or damage which does not become apparent until the merchandise has been unpacked and inspected Should either occur make a writt...

Страница 5: ...cal Requirements Catalog Number Volts 10 Amps Hz 13 986 223F FA FR 115 10 0 60 13 986 247F FA FR 230 10 5 60 13 986 274F FA FR 230 16 0 60 13 986 223FHK FRHK FAHK 220 6 2 50 13 986 247FHK FRHK FAHK 22...

Страница 6: ...e Unit Isotemp Freezers come with four casters which thread into the base of the unit one in each corner Use the wrench provided to thread the casters completely into the base of the unit Back the cas...

Страница 7: ...sters Place shelf on top of the shelf supports as shown on Figure 3 Chart Recorder Provided in the packing envelope is a set of instructions for setting up and using the optional chart recorder and al...

Страница 8: ...8 INSTALLATION Figure 2 Insert four shelf supports into pilasters for each shelf Figure 3 Tab Length Shelf Support...

Страница 9: ...rcuit breaker checked by a qualified electrician to verify the receptacle is properly grounded and connected to a 20 amp service minimum CAUTION Catalog numbers end ing in HK are international 3 Wire...

Страница 10: ...re operation become familiar with the freezer con trols located on the header panel A layout of the controls is given below Temperature Controller The digital temperature controller is located on the...

Страница 11: ...s then press the Menu key to select The desired unit LED will be displayed on the right of the temperature display Calibration Offset In the event the freezer needs calibrated a simple routine is avai...

Страница 12: ...e Hold Off time should never substitute the automatic defrost cycle Error Codes Error codes indicate when the controller is sensing a problem A description of each is given below See the Troubleshooti...

Страница 13: ...timer is factory set to provide four defrost cycles per 24 hour period at 6 and 12 pm and am The defrost heaters are deactivated by a thermal switch or by the defrost timer limit 13 OPERATION Note Th...

Страница 14: ...ce at 1 800 438 4851 Troubleshooting Symptom Probable Cause Action Does not run Unit unplugged Plug in unit Blown fuse or tripped circuit Check fuse or circuit breaker at breaker breaker box Runs cont...

Страница 15: ...icient operation it is recommended that the con denser coil and fan be cleaned every 4 to 6 months The condenser coil is located behind the vented part of the header panel left side Remove the header...

Страница 16: ...1 800 438 4851 Item Part Number Freezer Replacement Shelf SPN13986210E Solid State Relay K1 SPN88616 Temperature Controller W Sensor SPN103508 220V International Version Control SPN105402 Front Shelf...

Страница 17: ...ompressor Relay K1 COMPRESSOR MOTOR CONDENSER FAN S DEFROST TIMER MOTOR K1 BRN DEFROST TIMER CUT OUT COIL ORN RED DEFROST LIMIT CONTROL WHT DEFROST HEATER ORN FACE HEATER S BLU DEFROST SWITCH 2 PRPL E...

Страница 18: ...LK BLK DEFROST TIMER MOTOR Compressor Relay Cool Relay R1 HEATER COMPRESSOR MOTOR CONDENSER FAN S DEFROST HEATER WHT BRN PNK R1 DEFROST TIMER CUT OUT COIL DEFROST SWITCH 1 ORN ORN DEFROST LIMIT CONTRO...

Страница 19: ...19...

Страница 20: ...m the respective manufacturer whatever adjustment is reasonable in the light of the manufacturer s own warranty b The Company shall be released from all obligations under its warranty in the event rep...

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