LG multi V ARUM Series - Table of Contents

2020/07/23 page 2
TABLE OF CONTENTS
Chapter
Page
1
SAFETY
3
2
TECHNICAL PARAMETERES
3
3
DESCRIPTION OF APPLICATION
4
3.1
Guaranteed compatibility of the communication module with compr. unit
4
3.2
Permitted capacity of the heat exchanger in the HVAC equipment
4
3.3
System design
5
Application overview diagram (fig. 1)
6
Complete terminal diagram (fig. 2)
6
4
INSTALLATION – CONNECTION TO THE AIR-CONDITIONING SYSTEM
7
4.1
Mechanical installation
7
4.2
Connection terminals overview
7
Distribution of module terminals (fig. 3)
7
4.3
EEV module connection
8
4.4
Installation, connection of temperature sensors
8
4.5
Connection to an outdoor compressor unit
9
4.6
MOV-MV power limitation module connection (accessories)
9
5
CONNECTION TO SUPERIOR I&C HVAC SYSTEM
10
5.1
Control – descriptions, priorities
10
5.2
Inputs for external control – digital analogue
10
Control diagram – Power request for analogue input (fig. 4)
11
Logic input control diagram (fig. 5)
11
5.3
Outputs – information about the operational status of the equipment
12
5.4
MODBUS communication
13
Modules wiring diagram while using MODBUS protocol (fig. 6)
13
6
CONFIGURATION AND COMMUNICATION CHECK
14
6.1
Setting the power code and MODBUS communication address (fig. 7)
14
6.2
Introductory information sequence
16
6.3
Inspection of inputs / outputs – tests
17
6.4
Inspection of settings during operation
18
WARRANTY CARD
19