Accorroni HUB RADIATOR PACK CF 3.0, Technical Information

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39
dF18 4-way reverse cycle valve
0 = ON in cooling
1 = ON in heating mode
0 1
dF19 Defrost cycle temperature / pressure set -50.0
-58
0.0
0
110
230
50.0
725
°C
°F
bar
psi
Dec
int
Dec
int
dF20 Defrost cycle forcing differential 0.0
0
0.0
0
25.0
45
50.0
725
°C
°F
Bar
psi
Dec
Int
Dec
Int
dF21 Fan block in defrost 0 1
Pr2 Password 0 999
Parametri Allarmi
Parameters Description min max udm Risoluzion
e
AL01 Low pressure switch delay 0 250 Sec
AL02 Maximum number of operations at low pressure hour 0 16
AL03 Low pressure alarm with compressor off
0 = Not active when the compressor is off
1 = Active when the compressor is off
0 1
AL04 Flow / thermal alarm delay delivery (unit
air / air) from pump / fan activation
0 250 Sec
AL05 AL05 Maximum time remaining for flow switch alarm before
turn into manual and lock the pump if in motion water
0 250 Sec
AL06 Duration of flow switch / thermal input supply active 0 250 Sec
AL07 Duration of flow switch / thermal input of delivery not
active
0 250 Sec
AL08 Compressor thermal alarm delay -2 at the start 0 250 Sec
AL09 Maximum number of operations for compressors thermal time 0 16
AL10 Maximum number of interventions hour high temperature
alarm / condensing pressure
0 16
AL11 High temperature / pressure alarm set point of
condensation
-50.0
-58
0.0
0
110
230
50.0
725
°C
°F
Bar
Psi
Dec
int
Dec
int
AL12 High temperature / pressure differential 0
0
0
0
25.0
45
50.0
725
°C
°F
Bar
Psi
Dec
int
Dec
int
AL13 Low pressure alarm delay analog input 0 250 Sec
AL14 Low pressure alarm set point for analogue input -50.0
-58
0.0
0
110
230
50.0
725
°C
°F
Bar
Psi
Dec
int
Dec
int
AL15 Low temperature / pressure differential 0
0
0
0
25.0
45
50.0
725
°C
°F
Bar
Psi
Dec
int
Dec
int
AL16 Maximum number of operations for low pressure alarm hour
analog input
0 16
AL17 Enable buzzer output and alarm relay in OFF or
stand-by 0 0 = Buzzer output and alarm relay enabled
1 = Buzzer output and alarm relay not enabled
0 1
AL18 Open collector alarm / output relay polarity
0 = Output without voltage in normal conditions, with
voltage in the presence of an alarm
1 = Output with voltage in normal conditions, without
voltage in the presence of an alarm
0 1
AL19 Probe for antifreeze alarm:
0 = Related to parameters Ar16 in chiller - Ar17 in heat pump
1 = On Pb1 probe
2 = On Pb2 probe
3 = On Pb3 probe
4 = On Pb4 probe
0 4
AL20 Maximum number of interventions now generic block alarm
unit
0 16
AL21 Generic alarm delay time for unit with input
digital active
0 250 Sec
AL22 Generic alarm delay time for unit with input
digital not active
0 250 10 sec 10 sec
AL23 Generic alarm operation
0 = signaling only does not depend on AL20 (alarm relay e
buzzer activated) always automatic reset
1 = the alarm blocks the unit the alarm reset depends on the
value of parameter AL20
0 1
AL24 System water inlet high temperature alarm set point -50.0
-58
110
230
°C
°F
Dec
int
AL25 Inlet water high temperature alarm differential 0.1
0
25.0
45
°C
°F
Dec
int
AL26 Water inlet high temperature alarm delay 0 250 10 sec 10 sec
AL27 Maximum number of high temperature alarm time
interventions water inlet system
0 16
AL28 Delay alarm for hot side flow switch from activation /
water pump shutdown
0 250 Sec
AL29 Maximum time for hot side flow switch alarm
before turning into manual and locking, if in motion, the
water pump
0 250 Sec
AL30 Duration of flow switch entry hot side active (pump not
available working)
0 250 Sec
AL31 Warm side flow switch input not active (pump
working)
0 250 Sec
AL32 Hot side flow switch operation
0 = disabled
1 = chiller only enabled
2 = enabled only heat pump
3 = enabled chiller and heat pump.
0 3
Pr2 Password 0 999
15.2 DIGITAL CONTROL UNIT ELECTRICAL DIAGRAM
MF ID1, MF ID2, MF ID5 = multifunction digital inputs
HP ID3 = high pressure digital input
LP ID4 = low pressure digital input
MF RL2, MF RL3, MF RL4, MF RL5 = multifunction relay
Trigger signal out TK = output for connection to external module
for condensation fan control (phase cut)
Pb1, Pb2, Pb3, Pb4 = NTC analogue inputs
digital inputs Pb3 = 0.5 Vdc ratiomentric pressure transducer
MF o.c. out = configurable open collector output for the
external relay connection