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The FDC-4000 controller is programmed by using three keys on the front 

panel. The available key functions are listed in following table. Note: Only use 

the tip of your finger to depress the keys. Using a rigid object such as a pen, 

screwdriver or even your finger-nail may permanently damage the keypad. 

 

 

 

 

 

 

 

 

TOUCH KEYS 

FUNCTION 

DESCRIPTION  

 

 

Up Key 

 

Press and release to increase the control set-point (while in normal control 

mode) or to change lower display program parameter (while in User Menu or 

Factory Mode). Press and hold to accelerate increment speed.  

 

 

Down Key 

 

Press and release to decrease the control set-point (while in normal control 

mode) or to change lower display program parameter (while in User Menu or 

Factory Mode). Press and hold to accelerate decrement speed.  

 

Pressing 

key while in 

normal control 

mode 

Scroll Key 

 

Press and hold for at least 2 seconds and release (while in normal control 

mode) to access operator level parameters. Press and release to cycle 

through all user parameters. Press and hold for 2 seconds and release to 

silence audible alarm under normal power or on battery power. While unit is in 

an alarm condition, the external alarm relay contacts will remain energized 

until the alarm condition no longer exists. Press and hold to display chamber 

temperature while the controller is on battery power. Chamber temperature will 

be displayed until key is released. Alarm contact will remain energized while 

operating on battery power.  

 

Press both keys 

simultaneously 

 

 

Current Power 

Reading 

 

Displays current AC power (i.e. 110VAC) as long as keys are pressed. If 

power is 110VAC or 220VAC, unit will display 110. Mode is only active during 

normal control mode (when top display = PV, Lower display = SP). N/A on 

battery power.  

 

Press both keys 

simultaneously 

 

Alarm Test 

 

Energize audible alarm and alarm relay output as long as keys are pressed. 

Mode is only active during normal control mode (when top display = PV, 

Lower display = SP). N/A on battery power.  

 

Note: When the controller is displaying temperature in normal control mode, 

press/release or press/hold the up/down keys to change the set-point value. 

This set-point mode does not apply to power off modes. 

 

 

 

 

 

 

CONTROL KEYS & DISPLAYS 

CONTROL PROGRAMMING 

TEMP 

SET 

-888 

-888 

Summary of Contents for ULF001C

Page 1: ...ltra Low Freezer of Yamato Scientific To use this unit properly read this Instruction Manual thoroughly before using this unit Keep this instruction manual around this unit for referring at any time W...

Page 2: ...REFRIGERATION SPECIFICATIONS 4 MAINTENANCE 5 UNIT OPERATION 6 TEMPERATURE CONTROL 7 ALARM OPERATION 8 ALARM SYSTEM 8 DRY CONTACT RELAY 8 CONTROL PROGRAMMING 9 CONTROL KEYS DISPLAYS 9 CONTROL PROGRAMMI...

Page 3: ...XCLAMATION POINT CAUTION REFER TO ACCOMPANYING DOCUMENTS 1 Move the freezer to an indoor location and plug the freezer into an appropriate outlet with an adequate power supply Consult your maintenance...

Page 4: ...ly present on the mains supply overvoltage category II Pollution degree 1 WARNING THIS FREEZER IS PROVIDED WITH AN INPUT CIRCUIT PROTECTIVE DEVICE WHICH SHALL BE MAINTAINED AND SERVICED BY QUALIFIED P...

Page 5: ...PLUG ULF001C ULF101C ULF201C 115 VOLTS 60 HERTZ 1 PHASE 15 AMP DEDICATED LINE NEMA 5 15 ULF301C ULF401C ULF501C ULF601C ULF801C 115 VOLTS 60 HERTZ 1 PHASE 20 AMP DEDICATED LINE NEMA 5 20 WARNING ONLY...

Page 6: ...16 5 oz R170 30 to 25 psi R508B 155 psi ULF301C 9 1 3 HP DANFOSS R404A 18 oz R170 30 to 25 psi R508B 155 psi ULF401C 12 1 HP TECUMSEH R404A 19 oz R170 30 to 20 psi R508B 130 psi ULF501C 14 1 HP TECUM...

Page 7: ...in the freezer and store it in a back up freezer or elsewhere 2 Unplug the freezer and open the freezer front door lid 3 Use a cloth to protect the control from dripping water 4 Air out the freezer fo...

Page 8: ...ystem cycles off on high pressure control WARNING ALWAYS LEAVE THE REFRIGERATION SWITCH IN ON POSITION AS THIS WILL AUTOMATICALLY ACTIVATE THE AUTOMATIC STARTING SYSTEM CAUTION COVER SCREEN ON BACK OF...

Page 9: ...TURE SETPOINT The temperature set point can be changed by simply pressing the up arrow to raise or the down arrow to lower the temperature set point WARNING CHANGING THE CONTROL PARAMETERS OUTSIDE OF...

Page 10: ...batteries should be changed approximately every three years with lead acid rechargeable 1 2 Ah min model PS 640F1 or equivalent WARNING ALARM SYSTEM SHOULD BE TESTED EVERY 30 DAYS The dry contact rel...

Page 11: ...r 2 seconds and release to silence audible alarm under normal power or on battery power While unit is in an alarm condition the external alarm relay contacts will remain energized until the alarm cond...

Page 12: ...tton is pressed to display the process value Note When operating on battery power the battery status LED labeled BAT on the front panel will be lit To enter the USER parameter mode hold the scroll key...

Page 13: ...ntial 22 12 X AHY 3 1 Alarm Hysteresis 1 8 1 0 X OHY 3 1 Output Hysteresis 3 6 2 0 X RB 1 Alarm Delay in Minutes 30 X DoR 4 Door Alarm X SP 2 Setpoint X IN2 4 N A N A TO EXIT TAP SCROLL KEY REPEATEDLY...

Page 14: ...value to ON PARAMETERS DESCRIPTION F C ON OFF SPL 3 Lower Setpoint SPH 3 Upper Setpoint Al 2 Alarm INV 1 Temperature Scale SHF 1 Calibration X Hold SCROLL KEY for 2 seconds and release SHF should app...

Page 15: ...13 WIRING DIAGRAM...

Page 16: ...14 ALARM WIRING DIAGRAM...

Page 17: ...15 REFRIGERATION FLOW CHART...

Page 18: ...Specify Voltage 231 VOLTAGE REFRIGERATION HIGH STAGE PARTS PART Air Cooled Condenser No 3CZ0602B 254 Drier No C 053 S 256H Capillary Tube HS 17 HS 20 Oil Separator Temprite Series 900 If Applicable 90...

Page 19: ...itions This warranty shall have force and effect only if all items are used with proper circuits voltages and frequencies and the operation thereof is in accordance with instructions furnished by the...

Page 20: ...are subject to a 25 restocking fee Shipping and handling cost are non refundable All retrofitted customized and special order item sales are final and non returnable In Case of Request for Repair If...

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