EN
Connecting the transport refrigeration system
Frigo DC
32
9.4
Wiring diagrams
9.4.1
Flowchart key for R-134a (fig.
e
, page 10)
v
9.4.2
Electrical circuit diagram key (circuit diagrams see
supplementary sheet)
Item
Description
1
Evaporator
2
Expansion valve
3
Condenser
4
Filter dryer
5
Compressor
6
Solenoid valve closed normally
7
Service valve, high pressure
8
Service valve, low pressure
Item
Description
Function
A1
Control unit
Entire system control
A2
Evaporator unit 3500
A3
Evaporator unit 2500
BAT
Battery
BL
Battery charger
(
only
with stationary cooling, optional)
C1
Inverse diode
(
only
with stationary cooling, optional)
D2
Pressure transducer
F1
Blade fuse, 3 A
F5
Blade fuse, 15 A
F6
Blade fuse, 30 A
F7
Blade fuse, 100 A
(
only
with stationary cooling, optional)
F8
Blade fuse, 150 A
F9
Blade fuse, 1 A
(
only
with stationary cooling, optional)
F10
Blade fuse, 10 A
G1
Central earth point
RL1
Relay 12 V 70 A
Evaporator fan control
RL2
Relay 12 V 30 A
Compressor/condenser fan control
RL7
Relay 12 V 200 A
Compressor control
K1
Compressor
M1
Evaporator fan
Frigo_DC-I-West.book Seite 32 Montag, 19. November 2018 12:09 12
Summary of Contents for 4443000399
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