Sanyo MDF-U55V User Manual

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Control specifications
Item Specifications
Temperature controller
Microcomputer, key-pad input
Non-volatile memory
Temperature setting range
-50䉝~-90䉝 (Unit: 1䉝)
Temperature display
LED (Unit: 1䉝)
Temperature sensor
Pt. 1000䃈
High temperature alarm
When chamber temperature deviates from set temperature+5䉝䡚+20䉝
(Factory default:+10䉝), ALARM lamp blinks and buzzer sounds after 15
minutes of delay.
Remote alarm contact: Normal Open, Normal close
Rated (max) 30VDC, 2A
Turns over after 15minutes of delay
Low temperature alarm
When chamber temperature deviates from set temperature-5䉝䡚-20䉝
(Factory default:-10䉝), ALARM lamp blinks and buzzer sounds after 15
minutes of delay.
Remote alarm contact: Normal Open, Normal close
Rated (max) 30VDC, 2A
Turns over after 15minutes of delay
Filter alarm FILTER lamp illuminates and buzzer sounds intermittently.
Door alarm
When a door is open, DOOR lamp illuminates after predetermined delay
time elapses. (Factory default: 2minutes, Range:1~15minutes)
Power failure alarm
ALARM lamp blinks and buzzer sounds intermittently.
Remote alarm activates.
Remote alarm
Allowable contact capacity䠖DC30V 2A䚸N.C.-COM䠈N.O.-COM
When temperature alarm or power failure alarm is occurred or any sensor
is failed, remote alarm contact turns over.
Notice of battery life
BATTERY lamp illuminates when battery accumulation time (2.8 years)
expires.
Notice of condensing fan
motor life
BATTERY lamp blinks when condensing fan motor accumulation time
(5.6 years) expires.
STATUS function
zNotice of Battery/condensing fan motor life
zAbnormal power supply voltage
zAbnormal ambient temperature
zOverloaded operation
Control panel
Alarm lamp: ALARM
Filter check lamp: FILTER
Battery check lamp: BATTERY
Status monitor lamp: STATUS
Door check lamp: DOOR
Buzzer stop key: BUZZER
Alarm test key: ALARM TEST
Status key: STATUS
SET䠖Set key
: Digit shift key
: Numerical value shift key
Key Lock
Press digit shift key for 5 seconds to activate Key Lock mode.
L0: Unlock䚸L1: Lock
Self diagnosis function
When temp. sensor or filter sensor or cascade sensor or AT sensor is
failed;
Error code is displayed, ALARM lamp illuminates, buzzer sounds and
remote alarm is active.

Sanyo MDF-U55V Specifications

General

Model	MDF-U55V
Category	Freezer
Type	Ultra-Low Temperature Freezer
Frequency	50Hz
Number of Doors	1
Power Supply	AC
Voltage	220V