Lenze 8200 Frequency inverters - Manual (Page 287)

Application examples
8200SHB0199 15-8
15.4 Air conditioning system
M
3~
M
3~
W
W
V
V
U
U
X1
X1
Z1
W
V
U
G -U
G +U
Z1
Z2
7
8
Control
DCC
Control
DCC
Z2
7
8
RUN
PRG
STP
SH
RUN
PRG
STP
SH
K1 F1
L1
L1
L2
L2
L3
L3
W
V
U
G
-U
G
+U
L1
L2
L3
E3
20
Ctrl.
enable
39
28
Belt
Condensation
unit
Circulating
pump
-
Water filters
-
Heat
exchanger
Cold
water
Hot
water
Water
injection
Speed setpoint
Speed setpoint
8210/8220/8240 with 8201BB keypad
Unit 1
Unit 2
L
39
20
28
Ctrl.
enable
FIG 15-4 Application example of an air conditioning system
Z1 Mains filter required for radio interference level A or B. For mains chokes see chapter 3.4 ff.
Z2 Motor filter/sine filter required for long motor cables or motors not designed for inverter operation
(see chapter 4.2.7.2).
Shield all signal and motor cables. Please observe the corresponding installation instructions given in chapters 4.2
and 4.3.
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