38
-d- Defrost
When a defrost cycle is in operation, a DEFROST REQ message appears on the start screen.
-F- Condensation (fans)
DESCRIPTION
RANGE
UNIT
VALUE
Selection of defrost probe
TEMP/PRES.
PRESSURE SWITCH
-
PRESSURE
Separate or simultaneous defrost (contemporary)
SEPARATE
SIMULTANEOUS
-
SIMULTANEOUS
End defrost in intervals of
TIME
TEMP/PRES.
-
TEMP./PRESSURE
Defrost start pressure
-99.8/99.9
bar
5.8
Defrost end pressure
-99.8/99.9
bar
26
Defrost call delay
1/32000
sec
1800
Max. duration defrost
1/32000
sec
420
Min. duration defrost
1/32000
sec
0
Time between defrosts in the same circuit
1/32000
sec
0
Time between defrosts in different circuits
1/32000
sec
0
Forced off time of compressor at defrost start and end
0/999
sec
40
Delay in 4-way valve inversion
0/999
sec
15
Manual defrost
ENABLED
DISABLED
-
DISABLED
DESCRIPTION
RANGE
UNIT
VALUE
Control typo over fans
TEMPERATURE
PRESSURE ON/OFF
-
PRESSURE
Number of condensers
1 - 2
-
2
Control device
INVERTER
FANS
-
INVERTER
Power supply frequency
50/60
Hz
50
Max. PWM triac phase cut-out
0/100
%
85
Min. PWM triac phase cut-out
0/100
%
40
Duration triac impulse
0/10
ms
2.5
Condensing pressure in summer cycle
0/99.9
bar
26
Dif. condensing pressure in summer cycle
0/99.9
bar
7
Evaporating pressure in winter cycle
0/99.9
bar
10
Evaporating pressure differential in winter cycle
0/99.9
bar
1
Fan speed minimum differential
-99.9/99.9
bar
5
Max. inverter speed
0/10
V
10
Min. inverter speed
0/10
V
0
Inverter speed up time
0/999
sec
0
Enable prevent function (HP)
Y/N
-
SI
Probe selection for HP prevention
PRESSURE
TEMP.
-
PRESSURE
Prevent pressure HP
-99.9/99.9
bar
40
Dif. prevent pressure HP
0/99.9
bar
5
LP safety pressure
-99.9/99.9
bar
2
LP safety pressure differential
0/99.9
bar
2
Fan management in case of probe failure
FAN OFF
FAN ON & COMP. ON
FAN OFF
Prevent function timing
0/99
sec
0
Summary of Contents for YCSA 120 T
Page 2: ......
Page 4: ......
Page 23: ...23 Minimum technical clearance ...
Page 24: ...24 Wiring diagram YCSA YCSA H 120 µC3 400 3 50 ...
Page 26: ...26 Wiring diagram YCSA YCSA H 120 µC3 400 3 50 ...
Page 27: ...27 Wiring diagram YCSA YCSA H 150 µC3 400 3 50 ...
Page 29: ...29 Wiring diagram YCSA YCSA H 150 µC3 400 3 50 ...
Page 30: ...30 Wiring YCSA YCSA H 120 and 150 T TP ...
Page 35: ...35 General wiring diagram ...
Page 48: ...www johnsoncontrols com ...