Electrical Management System (EMS)
EMS-PT30X & EMS-PT50X
Instruction Manual
EMS-PT50X
EMS-PT30X
ProgressiveIndustries.net | 919-267-6964
2
INSTRUCTION MANUAL: ELECTRICAL MANAGEMENT SYSTEM (EMS)
ProgressiveIndustries.net | 919-267-6964
3
INSTRUCTION MANUAL: ELECTRICAL MANAGEMENT SYSTEM (EMS)
Features
• High/Low Voltage Protection: The EMS continuously monitors AC power When AC
power deviates below 104 volts, for more than six (6) seconds, or rises above 132
volts, the EMS automatically shuts down power to the RV. Once the AC power rises
above 104 volts or drops below 132 volts, the 2 minute 16 second (136 seconds)
time delay counts down and power is restored automatically.
• Time Delay for A/C Compressor: When rst plugging in, if AC power is interrupted,
or the EMS detects a fault, the 2 minute 16 seconds (136 seconds) time delay
is activated.
• 3-Mode Surge Protection (EMS-PT30X): This feature provides full surge protection
L-N, L-G, and N-G. Rated 1,790J and 44,000A surge current. Response time <1
Nano second.
• 5-Mode Surge Protection (EMS-PT50X): This feature provides full surge protection
L-N, L-N, L-G, L-L, and N-G. Rated: 3,580J and 88,000A surge current. Response time
<1 Nano second
• Surge Indicator: The EMS will indicate E 10 if the surge protector is damaged within
the EMS-L-N or L-G due to a power surge.
• Reverse Polarity Protection: If AC power has a reverse polarity condition, the EMS
will not allow power to the RV and the error code will read E 1.
• Open Neutral Protection: If AC power has an open neutral, the display will not light
and the EMS will not allow power to the RV.
• Open Ground Protection: If AC power has an open ground condition, the EMS will
read an error code of E 2, and the EMS will not allow power to the RV.
• AC Frequency Protection: If AC power frequency deviates plus/minus 9 Hz from
60 Hz, the EMS will shut down AC power. An Error code of E 7 will be displayed
when the frequency is high; and an Error code of E 8 will be displayed when
frequency is low.
• Accidental 240V Protection: If 240 volts is detected when plugging into AC
power the EMS will NOT allow power to the RV. Should this condition occurs while
power is applied to the RV, the EMS will shut down power instantly. The EMS will
indicate an E 3 error code and display the voltage. (SHOULD THIS OCCUR NEVER
BYPASS THE EMS).
• Display: Display continuously scrolls, at 2 second intervals, all AC power
information: voltage(s), current(s), frequency, error code, previous error code
(if applicable).
• Previous Error Code: Previous error code (PE) indicates what error occurred and
why power was interrupted. To delete code, disconnect power from EMS.
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