Phcbi MDF-DU300H, Руководство по эксплуатации

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ALARM FUNCTIONS
This unit has the alarm functions shown below.
Alarms Situation Indication Alarm buzzer Remote alarm
High temperature
alarm
If the chamber temp. is higher
than the high temp. alarm
setting. [page 17]
Alarm lamp blinks.
Chamber temp. blinks. Intermittent tone with
15 minutes delay. Alarm status with
15 minutes delay.
Low temperature
alarm
If the chamber temp. is lower
than the low temp. alarm
setting. [page 18]
Power failure alarm
At power failure.
If the power switch is off.
If the power supply cord is
unplugged.
Alarm lamp blinks. Intermittent tone. Alarm status.
 When the operation is started in high ambient temperature, the filter check lamp sometimes lights and
alarm buzzer sounds. In this case, the filter check lamp and alarm buzzer are off automatically when the
chamber temperature or ambient temperature is getting lower.
 The chamber temperature is displayed for 5 seconds by pressing alarm buzzer stop key (BUZZER)
during power failure alarm. Then the alarm buzzer is stopped. The alarm lamp keeps blinking.
SAFETY FUNCTIONS
This unit has the safety functions shown below.
Safety Situation
Indication,
Buzzer
Safety operation or
Action
Filter check When the condenser filter is clogged.
Filter check lamp lights.
Intermittent tone.
Clean the condenser filter. [page 24]
Battery check
When about 3 years have passed
with power switch ON.
(time to replace the battery for power
failure alarm)
Battery check lamp lights.
Contact our sales representative or
agent for replacement.
Fan motor check
When about 6 years have passed
with power switch ON.
(time to replace the fan motor)
Battery check lamp blinks.
Lock of chamber
temperature
When the key lock is ON (L 1). ---
The change of chamber temperature
setting is disable.
Auto-return
When there is no key pressing in
setting mode for 90 seconds.
---
Finishing of setting mode and
returning to temp. display mode.
 A battery for power failure alarm is a wear-out part. It is recommended to replace the battery about
every 3 years. Contact our sales representative or agent at the time of replacement of the battery.
 A fan motor is a wear-out part. It is recommended to replace the fan motor about every 6 years.
Contact our sales representative or agent at the time of replacement of the fan motor.