Page 63
N
EO
T
HERM
Boilers and Water Heaters
13
Internal fault:
PII (Pre-Ignition
Interlock)
shorted to ILK
(Interlock)
H or L Internal fault
1. Reset module
2. If fault repeats, replace module.
15
Internal fault:
Safety relay test
failed due to
feedback ON
L
Internal fault
1. Reset module
2. If fault repeats, replace module.
16
Internal fault:
Safety relay test
failed due to
safety relay OFF
L
Internal fault
1. Reset module
2. If fault repeats, replace module.
17
Internal fault:
Safety relay test
failed due to
safety relay not
OFF
L
Internal fault
1. Reset module
2. If fault repeats, replace module.
18
Internal fault:
Safety relay test
failed due to
feedback not ON
L
Internal fault
1. Reset module
2. If fault repeats, replace module.
19
Internal fault:
Safety RAM
write
L
Internal fault
1. Reset module
2. If fault repeats, replace module.
20
Internal fault:
Internal fault:
Flame ripple and
overfl ow
H
Internal fault
1. Reset module
2. If fault repeats, replace module.
21
Internal fault:
Flame number
of sample
mismatch
H
Internal fault
1. Reset module
2. If fault repeats, replace module.
22
Internal fault:
Flame bias out
of range
H
Internal fault
1. Reset module
2. If fault repeats, replace module.
23
Internal fault:
Bias changed
since heating
cycle starts
H
Internal fault
1. Reset module
2. If fault repeats, replace module.
24
Internal fault:
Spark voltage
stuck low or
high
H
Internal fault
1. Reset module
2. If fault repeats, replace module.
25
Internal fault:
Spark voltage
changed too much
during fl ame
sensing time
H
Internal fault
1. Reset module
2. If fault repeats, replace module.
26
Internal fault:
Static fl ame
ripple
H
Internal fault
1. Reset module
2. If fault repeats, replace module.
Содержание NTV
Страница 4: ...LAARS Heating Systems...
Страница 11: ...Page 7 NEOTHERM Boilers and Water Heaters...
Страница 24: ...Page 20 LAARS Heating Systems Figure 16 Hydronic Piping Single Boiler Zoning with Circulators...
Страница 26: ...Page 22 LAARS Heating Systems Figure 18 Hydronic Piping Multiple Boilers Zoning with Circulators...
Страница 84: ...Page 80 LAARS Heating Systems Parts Illustration 1 Jacket Components...
Страница 86: ...Page 82 LAARS Heating Systems Parts Illustration 4 Internal Components Sizes 750 850...
Страница 88: ...Page 84 LAARS Heating Systems Parts Illustration 6 Gas Train Components Sizes 600 850...
Страница 89: ...Page 85 NEOTHERM Boilers and Water Heaters Parts Illustration 7 Heat Exchanger Components 68A Sizes 285...
Страница 90: ...Page 86 LAARS Heating Systems Parts Illustration 8 Electrical Components Front Battery CR2032 Touchscreen Back...
Страница 91: ...Page 87 NEOTHERM Boilers and Water Heaters Notes...