Powervar MPM, Oem Documentation Set

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Document A55-00042 Rev. I POWERVAR Mobile Power Manager P a g e | 26
Feature Specification
Temperature
Protection The unit Environmental specifications allow for operation within an ambient
temperature range between 0C and 40C. If the unit is installed within a confined
compartment at the base of a cart, the compartment must allow for adequate
ventilation of outside air such that the compartment temperature remains at or below
40C.
Over Temp operation: Internal Temperature as measured on Bridge FET Heat Sink
1. DC mode: MPM shuts down if T>=90C;
2. AC mode: MPM turns off charger if T>=80C.
MPM shuts down if T>=90C;
MPM Auto Recovery
operation after
auto/protective
shutdowns Operating Mode
before auto-shutdown Restart Behavior
Source – Input AC line (AC mode);
Auto/Protective Shutdown due to
over-load or over-temp.
MPM remains shutdown;
No automatic output restart.
Press output On/Off button for 3 seconds to
restart. If condition persists, MPM will auto
shutdown.
Source – Input AC (AC mode)
Abnormal line condition causes
MPM to switch to battery source:
MPM automatically transfers back to AC source if
the abnormal input line condition clears.