Danfoss VZH088-G single User Manual

Electrical data, connections and wiring
Wiring connections
230V or 24V
～
2 A max
RELAY
1
L1 91 L1 U 96 T1/U
L2 92 L2 V 97 T2/V
L3 93 L3 W 98 T3/W
95 PE PE 99
39 Ana out COM
42 Ana out +
50 Ana out +10 V NC
53 Ana in 0 ± 10 V NO 02
54 Ana in 0 ± 10 V COM 01
55 Ana in COM
NC 06
NO 05
12 +24V COM 04
13 +24V
18 Dig in
19 Dig in
27 Dig in/out
29 Dig in/out
32 Dig in N- RS485 69
33 Dig in P+ RS485 68
20 Dig in COM COM RS485 61
37 Dig in
RELAY
2
CDS303
Legends:
Ana: Analogue
Dig: Digital
in: Input
out: Output
COM: Common
NC: Normally-closed
NO: Normally-open
Open loop Process loop
91, 92, 93 3 Phase mains input X X
95 Earth X X
39, 42 Analogue output - -
50 Analogue output - -
53 PLC+ (0 to 10 V) X -
54 Sensor - - X
55 PLC- X -
12 HP/LP switch X X
12 External On/O (NO) X X
13 Factory bridged to 37 X X
13 Sensor + - X
18 External On/O (NO) X X
19 Digital input - -
27 LP switch (NC) / safety devices X X
29 Digital input/output - -
32, 33 Digital input - -
20 Digital input Common - -
37 Factory bridged to 13 / HP switch X X
98 To compressor terminal T3 X X
97 To compressor terminal T2 X X
96 To compressor terminal T1 X X
99 To compressor earth connection X X
02, 01 Relay 1 to oil solenoid valve X X
06, 05, 04 Relay 2 - -
69, 68 RS485 Bus - -
61 RS485 Bus Common - -
-: Optional connection
X: Mandatory connection
The CDS303 frequency converter is factory
preset with parameters for the open loop control
principle. The process loop control principle
can be selected by changing parameters in the
«Quick menu».
Open loop: preset on input 53
0 - 10 V control
Frequency converter in slave mode
Process loop: preset on input 54
4 - 20 mA control
Frequency converter under own PID controller
T37 is CE and UL approved for STO, Safety Torque
Function
38 FRCC.PC.023.A8.02
Application Guidelines

Danfoss VZH088-G single Specifications

General

Brand	Danfoss
Model	VZH088-G single
Category	Air Compressor
Language	English