4.12 Connection Diagram
YCSE
4-9
035-21786-100 Rev. 1 (0909)
N°
Name
1
In case of remote control operation this wire
shall be removed (using item 10).
2 R Phase
3 Neutral
4 Low Voltage / Remote Control
5 Run/Stop Signal
6 Alarm Signal
7 Alarm Lamp (30mA max)
8 Pump Interlock
9 Pump operation
10 Remote Control Switch (RSW-A) (OPTION)
11 2 Circuit Units
12 Not Fitted
N°
Name
13 2 nd. Setting Temperature
14 External Thermostat Operation
15 Operation Mode (OPTION)
16
Only used for:
-Diff. Water Pressure switch (OPTION)
-Flow Switch (OPTION)
17
Force Compressor
Load Operation
18
Free Cooling
Output signal (Only cycle Nº 1)
19
In case of individual indication without Remote
Control Switch
20 Customer wiring
21 Force compressor load
22 Setting of low voltage control
NOTE:
1.All the setting shall be performed before Power ON.
2.Remote / Local Change over Switch on Operation Switch shall be set, to Remote.
3.Terminals 1
~/21 are for AC220-240V,Terminals
A
~D are for DC24V. Terminals E ~F are
H-link (Low signal)
N°
Name
A Main Power/Terminal Board (R,S,T,N)
B Electrical Box
C Main Power Switch
D Main Power Wiring
E Earth Wiring
T he main connection to terminal N is required.
A
B
C
D
E
Remove link between 5 and 6
when remote control switch
option is fitted
EVAP
COND
EVAP
COND
NOTES:
30mA max
DSW1-4 must be set to ON when
remote control switch option is fitted
SW4
SW5 SW6
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