LAARS Heating Systems
Page 106
Code Description
L or
H
Procedure
79
Outlet high limit
H or
L
1. Check wiring and correct any possible errors.
2. Replace the outlet high limit.
3. If previous steps are correct and fault persists,
replace the module.
80
DHW (Domestic Hot Water) high limit
H or
L
1. Check wiring and correct any possible errors.
2. Replace the DHW high limit.
3. If previous steps are correct and fault persists,
replace the module.
81
Delta T limit
H or
L
1. Check inlet and outlet sensors and pump
circuits for proper operation.
2. Recheck the Delta T Limit to confirm proper
setting.
3. If previous steps are correct and fault persists,
replace the module.
82
Stack limit
H or
L
1. Check wiring and correct any possible errors.
2. Replace the Stack high limit.
3. If previous steps are correct and fault persists,
replace the module.
91
Inlet sensor fault
H
1. Check wiring and correct any possible errors.
2. Replace the Inlet sensor.
3. If previous steps are correct and fault persists,
replace the module.
92
Outlet sensor fault
H
1. Check wiring and correct any possible errors.
2. Replace the Outlet sensor.
3. If previous steps are correct and fault persists,
replace the module.
93
DHW (Domestic Hot Water) sensor fault H
1. Check wiring and correct any possible errors.
2. Replace the DHW sensor.
3. If previous steps are correct and fault persists,
replace the module.
94
Header sensor fault
H
1. Check wiring and correct any possible errors.
2. Replace the header sensor.
3. If previous steps are correct and fault persists,
replace the module.
95
Stack sensor fault
H
1. Check wiring and correct any possible errors.
2. Replace the stack sensor.
3. If previous steps are correct and fault persists,
replace the module.
96
Outdoor sensor fault
H
1. Check wiring and correct any possible errors.
2. Replace the outdoor sensor.
3. If previous steps are correct and fault persists,
replace the module.
Содержание NTV1000
Страница 2: ......
Страница 35: ...NeoTherm Boilers and Water Heaters Page 31 Fig 20 Ladder Diagram...
Страница 36: ...LAARS Heating Systems Page 32 Fig 21 Wiring Diagram...
Страница 37: ...NeoTherm Boilers and Water Heaters Page 33...
Страница 51: ...NeoTherm Boilers and Water Heaters Page 47 Fig 52 Connection Terminals...
Страница 130: ...LAARS Heating Systems Page 126 Fig 140 Machine Frame and Rear Panel 13 3 PARTS ILLUSTRATIONS...
Страница 131: ...NeoTherm Boilers and Water Heaters Page 127 Fig 141 Front Panel and Covers...
Страница 132: ...LAARS Heating Systems Page 128 Fig 142 Burners and Combustion Chambers...
Страница 133: ...NeoTherm Boilers and Water Heaters Page 129 Fig 143 Heat Exchanger Components Fig 144 Burner Detail...
Страница 134: ...LAARS Heating Systems Page 130 Fig 145 Electronic Components...
Страница 135: ...NeoTherm Boilers and Water Heaters Page 131 Fig 146 Condensate Trap Fig 147 Control Bezel...
Страница 136: ...LAARS Heating Systems Page 132 Fig 148 Flow Switch...
Страница 137: ...NeoTherm Boilers and Water Heaters Page 133 This page intentionally left blank...