PVI Industries PV500-44U 11.8LED Display Alarm Messages, Cause, Results Of Alarm Condition, 12.1

11.8LED Display Alarm Messages

Alarm messages are displayed in the upper LED readout and alternate with the default display. An alarm LED ICON is also illuminated. (See TempTrac User Manual PV500-40 for full description.)

ALARM	CAUSE	RESULTS OF ALARM CONDITION
MESSAGE
		Inlet temperature sensor is not
“P1”	TP1 probe failure	connected or is reading incorrectly. Call
		for heat and burner modulation output
		signal will revert to low fire.
“P2”	TP2 probe failure	Temperature sensor is not connected
		or is reading incorrectly.
		Temperature sensor is not connected
“P3”	TP3 probe failure	or is reading incorrectly or flue gas
		temperature protection is disabled (if
		used).
“HA”	High temperature limit	Buzzer sounds, operation continues
	setpoint exceeded
“LA”	Low temperature alarm	Buzzer sounds, operation continues
	Digital input 3 is activated
	for one or more of the
HP	following:	Unit de-energized after timer delay
	Flame failure or any control
	component failure, if
	equipped with alarm on any
	failure option
LP	Digital input 2 is activated	Unit de-energized after timer delay
Mn1	Maintenance alarm for	Buzzer sounds, operation continues
	output 1
Mn2	Maintenance alarm for	Buzzer sounds, operation continues
	output 2
Mn3	Maintenance alarm for	Buzzer sounds, operation continues
	output 3
“rtc”	The real time clock has lost	Energy saving function disabled
	its setting

RECOMMENDED

ACTION

Check wiring and sensor

Terminals 14 & 17

Check wiring and sensor

Terminals 15 & 17

Check wiring and sensor

Terminals 16 & 17

Manual reset required

Manually reset required

Manually reset required

Check wiring and sensor

Check wiring and sensor

Check wiring and sensor

Reprogram clock

12	REMOTE CONNECTIONS – TERMINAL STRIP
12.1	Making BMS/BAS remote connections for analog and binary (on/off) signals
	A terminal strip for the remote connection is located behind the hinged control panel at the top of the cabinet and is
	accessed by removing the bottom cover and then removing the screws at the top of the hinged cover.
	Important: Do not use single strand bell wire for remote field connections to terminals R1-R2 and C1-C2. Use only
	multi-strand copper wire. See table below for wire length and gauge:
		Wire Gauge	18 GA	16GA	14 GA	12 GA
		Maximum Length	30 FT	50 FT	75 FT	100 FT

WARNING: Turn off all electrical service to the appliance when accessing the remote connections located inside the control cabinet. These terminals are High Voltage. If the electrical service is not turned off and these terminals are touched, a dangerous shock causing personal injury or loss of life could occur. Close and fasten the control cabinet cover before restoring electrical service to the appliance.

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PV500-44U 06/12