Pre-Commissioning; Group Control Setup; Plan The Multi V System Central Control Addresses Assignments; Hydro Kit/Indoor Unit Central Control Address Assignments - LG ARNH963K2A2 Installation Manual

Pre-coMMIssIoNING

Group Control Setup

Plan the Multi V system central control addresses assignments

Check with the building's Chief Engineer and gather any preferences he may have. If there are no preferences follow the guidelines below:
Guidelines
• Hex assignments do not have to be assigned in any particular order, or an order defined by the routing of the communications cable be-
tween the Hydro Kits. In most cases, Hex addresses can be skipped.
• All members of a Hex Group are not required to be on the same Multi V Hydro Kit system.
• Addresses can be assigned at random, not in any particular order, and can be skipped.

Hydro Kit/Indoor unit central control address assignments

A central control address is made up of two hexadecimal characters.
• The first character in the central control address is the Hex Group Identifier.
— Possible Hex Group Identifiers (in order of lowest to highest) are 0.9 followed by A-F.
• The second character in the address is the Hex Member Identifier in a Hex Group.
— Hex Member Identifiers (in order from lowest to highest) are also 0.9 followed by A-F.

Hex address assignment limitations

Guidelines
• Hex Groups are limited to 16 members (see Figure 55).
• VRF Systems are limited to 16 Hex Groups.
• There is a limit of 256 possible Member Identifiers per Central Control.
(See Central Controller Communications Limitations below.)

Multi V system central controller communications limitations

Each type of Central Controller device is designed to communicate with a limited quantity of Hydro Kits/indoor units. The quantity of Hydro Kits/
indoor units that can be connected to a single central control communications cable, therefore, will be defined by the central control device on
that cable with the smallest Maximum Hydro Kit/Indoor unit/energy
recovery Ventilator (erV) Quantity as shown in Table 11, to the right.
Group number
If the building operator wants to know which Hydro Kits/indoor units/ERV units
are on each water source unit, and multiple systems serve a building:
• Assign a different group number for each floor. If there are more than 16
indoor units on a floor, multiple Group Numbers may be necessary.
Member number
Can be assigned at will or for example, can follow the room layout on each floor.
For each LG Central Controller product provided on the project, devise a
central control address schedule and assign a central control address to each
Hydro Kit(s), and EEV(s) units. Record this central control address for each
component in the column provided on the Device Configuration Worksheet
(located at the end of this manual).
The exception to this is the AC EZ, unit! DO NOT skip addresses. Start with Hex address 0. Buttons have pre-assigned Hex addresses. If an address
1
is skipped, the associated button will do nothing.
54
Due to our policy of continuous product innovation, some specifications may change without notification.
©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. "LG Life's Good" is a registered trademark of LG Corp.
1
1
first character is
the Hex Group
Identifier 0-F
(Example: Group 1)
Figure 55: Central Control Address Nomenclature
Table 11: Central Controller Indoor Unit Connection Limitations
Central Control device
AC EZ
AC Smart II
AC Smart II with Expansion Kit
AC SMART Premium
LonWorks Gateway
BACnet Gateway
Advanced Control Platform
d
Second character
is the Hex Member
Identifier 0-F
(Example: Group d)
Maximum Hydro Kit/
Indoor
Unit/ErV Quantity
32
64
128
128
64
256
256