Carrier 50FC User Manual page 27

12 - ALARMS
Controlled alarms
Gas burner or boiler
Thermistor of electrical heater for preheating
in the fresh air
Blocking the electrical heating contactor
Failure of Eprom memory of the μPC3 board
Failure of Eprom memory of the SMALL board
(zoning)
μPC3 board clock missing or not working
SMALL board clock missing or not working
(zoning)
unit maintenance (cumulative operating hours) No
Failure of return temperature probe
Failure of ambient humidity probe No.1
RS485 probe No.1 without communication
Failure of ambient temperature probe No.1
Failure of ambient humidity probe No.2
RS485 probe No.2 without communication
Failure of ambient temperature probe No.2
Failure of ambient humidity probe No.3
RS485 probe No.3 without communication
Failure of ambient temperature probe No.3
Failure of ambient humidity probe No.4
RS485 probe No.4 without communication
Failure of ambient temperature probe No.4
Failure of the indoor (return) humidity probe
Failure of the outdoor humidity probe
Failure of the supply temperature probe
Failure of the mixing temperature probe or the
air quality probe
COOLING setpoint < HEATING setpoint
COOLING setpoint < HEATING setpoint in
zone 1
COOLING setpoint < HEATING setpoint in
zone 2
COOLING setpoint < HEATING setpoint in
zone 3
COOLING setpoint < HEATING setpoint in
zone 4
Anti-fi re safety device / smoke detection
Supply temperature limit exceeded
c.pCOe expansion card addr. 8 without
communic.
c.pCOe expansion card addr. 8 alarm mismatch No
c.pCOe expansion card address 9 without
communication
c.pCOe expansion card addr. 9 alarm mismatch No
Energy meter without communication
Supply plug-fan addr.1 without communication No
(*) If a certain number of alarms take place over a period of time, this reset can be changed to "Manual" (confi gurable by parameters).
(**) Alarm levels with "Backup". Please refer to the meaning in the following section.
Unit Aff ected circ. Reset
shutdown shutdown Type
Yes,
Yes Auto (*) Yes, 4 s
all circuits
No No Auto (*)
Yes Yes Manual No
No No Manual No
No No Manual No
No No Manual No
No No Manual No
No Manual No
Yes Yes Manual No
No No Auto
No No Auto
No No Auto
No No Auto
No No Auto
No No Auto
No No Auto
No No Auto
No No Auto
No No Auto
No No Auto
No No Auto
No No Auto
No No Auto
No No Auto
No No Auto
Yes Yes Manual No
Yes Yes Auto
Yes Yes Auto
Yes Yes Auto
Yes Yes Auto
Yes,
Yes Manual No
all circuits
No No Manual No
No No Auto
No Auto
No No Manual No
No Auto
No No Auto
No Auto
Timing Actuation
Only indication (safety into the
burner/boiler)
Unit / compressor shutdown
(confi gurable by parameter)
Locking by repeated alarms
Yes,14 s Shutdown of electrical heater for
(progr.) preheating in the fresh air
Unit shutdown and ventilation
mode at maximum fl ow
Serious alarm
Serious alarm, but only indication 1
Only indication
Only indication
Only indication
Serious alarm, unit shutdown
Yes,10 s
Only indication
(progr.)
Yes, Only indication
10 s Stop zone 1 (air fl ow zoning)
Yes,10 s Only indication
(progr.) Stop zone 1 (air fl ow zoning)
Yes,
10 s Only indication
(progr.)
Yes, Only indication
10 s Stop zone 2 (air fl ow zoning)
Yes,10 s Only indication
(progr.) Stop zone 2 (air fl ow zoning)
Yes,10 s
Only indication
(progr.)
Yes, Only indication
10 s Stop zone 3 (air fl ow zoning)
Yes,10 s Only indication
(progr.) Stop zone 3 (air fl ow zoning)
Yes,10 s
Only indication
(progr.)
Yes, Only indication
10 s Stop zone 4 (air fl ow zoning)
Yes,10 s Only indication
(progr.) Stop zone 4 (air fl ow zoning)
No Only indication
No Only indication
No Only indication
No Only indication
Serious alarm, unit shutdown
No Unit shutdown (air fl ow zoning)
No Unit shutdown (air fl ow zoning)
No Unit shutdown (air fl ow zoning)
No Unit shutdown (air fl ow zoning)
Serious alarm, shut-down of
the unit and fresh air damper
open / closed (confi gurable by
parameter)
Shutdown of electrical heaters or
gas burner/boiler
No Only indication
No Only indication
Unit shutdown and dampers on
the previous position to the alarm
(zoning 2 zones)
No Only indication
No Only indication
No Only indication
Alarm Graphic User Add.
level (**) terminal terminal
3 or 2 AL24 AL24 44
3 AL24a AL2401 297
3 AL24b AL2402 354
3
AL26 AL26 32
AL26zn ---
1 AL27 AL27 33
0 AL27zn ---
3 or 1 AL28 AL28 108
0 AL29 AL29 109
0 AL30a AL3001 165
0 AL30b AL3002 163
0 AL30c AL3003 164
0 AL30d AL3004 177
0 AL30e AL3005 175
0 AL30f AL3006 176
0 AL30g AL3007 259
0 AL30h AL3008 257
0 AL30i AL3009 258
0 AL30j AL3010 262
0 AL30k AL3011 260
1 AL30l AL3012 261
1 AL33 AL33 112
1 AL34 AL34 113
1 AL35 AL35 114
1 AL35a AL3501 130
3 AL36 AL36 115
0 AL36a --- 360
0 AL36b --- 361
0 AL36c --- 362
0 AL36d --- 363
3 AL39 AL39 136
3 AL40 AL40 166
0 AL45b AL4502 211
0 AL45g AL4507 210
0 AL45c AL4503 ---
0 AL45h AL4508 ---
0 AL46 AL46 192
1 AL47 AL47 201
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