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PV500-46U 06/12
11.8 LED 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
MESSAGE
CAUSE
RESULTS OF ALARM CONDITION
RECOMMENDED
ACTION
“P1”
TP1 probe failure
Inlet temperature sensor is not
connected or is reading incorrectly. Call
for heat and burner modulation output
signal will revert to low fire.
Check wiring and sensor
Terminals 14 & 17
“P2”
TP2 probe failure
Temperature sensor is not connected
or is reading incorrectly. Freeze
protection is disabled.
Check wiring and sensor
Terminals 15 & 17
“P3”
TP3 probe failure
Temperature sensor is not connected
or is reading incorrectly or flue gas
temperature protection is disabled (if
used).
Check wiring and sensor
Terminals 16 & 17
“HA”
High temperature limit
setpoint exceeded
Buzzer sounds, operation continues
Manual reset required
“LA”
Low temperature alarm
Buzzer sounds, operation continues
HP
Digital input 3 is activated
for one or more of the
following:
Flame failure or any control
component failure, if
equipped with alarm on any
failure option
Unit de-energized after timer delay
Manually reset required
LP
Digital input 2 is activated
Unit de-energized after timer delay
Manually reset required
Mn1
Maintenance alarm for
output 1
Buzzer sounds, operation continues
Check wiring and sensor
Mn2
Maintenance alarm for
output 2
Buzzer sounds, operation continues
Check wiring and sensor
Mn3
Maintenance alarm for
output 3
Buzzer sounds, operation continues
Check wiring and sensor
“rtc”
The real time clock has lost
its setting
Energy saving function disabled
Reprogram clock
Содержание 100 LX 125 A-PVIF
Страница 8: ...8 PV500 46U 06 12 300 SERIES ...
Страница 11: ...11 PV500 46U 06 12 SINGLE WATER PIPING SINGLE STORAGE WATER HEATER WITH SUPPLEMENTAL STORAGE TANK ...
Страница 34: ...34 PV500 46U 06 12 16 REPLACEMENT PARTS REPLACEMENT PARTS ...
Страница 35: ...35 PV500 46U 06 12 16 1 Control Panel ...
Страница 37: ...37 PV500 46U 06 12 16 3 Burner Assembly Optional components may or may not be shown ...
Страница 43: ...43 PV500 46U 06 12 ...
Страница 44: ...44 PV500 46U 06 12 PVI INDUSTRIES LLC 3209 Galvez Ave Fort Worth Texas 76111 Phone 1 800 433 5654 www pvi com ...