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Dip Switch Settings For Gen4 Equipment - LG Multi IV Engineering Manual

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DIP SWITCH SETTINGS FOR
GEN4 EQUIPMENT
Generation 4 Equipment
The latest versions of LG's indoor units and outdoor (air / water source) units are designated Generation 4 (Gen 4). For Gen 4 units to oper-
ate with Gen 4 features, the air conditioning system must meet the following requirements:
• All indoor units, heat recovery units, and air / water source units
must be Gen 4.
• All air / water source units must have Gen 4 software
installed.
• Air / water source units DIP switch 3 must be set to ON
(factory default setting is OFF).
• All controllers must support Gen 4 features.
The figure at right shows the ODU DIP switch. The "System Com-
ponent Combinations and Operation Status" table lists how combin-
ing different components will affect system operation. The "Serial
Numbers or Air / Water Source Units with Gen 4 Software" table lists
the serial numbers of air and water source units that have Gen 4
software. All air and water source units, indoor units, heat recovery
units, and controllers in a system must be Gen 4 compatible or the
system will not operate with Gen 4 features.
Table 56: System Component Combinations and Operation Status.
Air / Water
Indoor Unit(s)**
Source Units*
Gen 4
Gen 4 ONLY
Gen 4
Gen 4 ONLY
Gen 4
Gen 4 ONLY
Any combination of
Gen 4
Gen 2 and Gen 4
Any combination of
Gen 4
Gen 2 and Gen 4
Any combination of
Gen 2
Gen 2 and Gen 4
*Gen 4 Air / Water Source Units = Multi V IV or Multi V Water IV with Gen 4 software (see table below for Gen 4 serial numbers) or Multi V S.
Gen 2 Air / Water Source Units = Multi V II, Multi V III, Multi V IV without Gen. 4 software, Multi V Water II, Multi V Water IV without Gen. 4
software, Multi V Mini, Multi V Water Mini, or Multi V Space II.
**Gen 4 Indoor Units model numbers end in "4"; Gen 2 Indoor Units model numbers end in "2" or an "A", including Hydro Kit.
***DIP Switch No. 3 on Gen 2 air/water source units is not related to Gen 4 features as it is with Gen 4 air/water source units.
****0A Model Heat Recovery units are not for use with Multi V IV, Multi V Water IV, or Multi V III heat recovery systems.
Table 57: Serial Numbers of Air / Water Source Units with Gen 4 Software.
Air / Water Source Unit
Model Type
Serial Number of Air / Water
Source Units with
Gen 4 Software
150 |
Heat Recovery Unit(s)
Model 2A ONLY
Model 2A ONLY
Any combination of
Models 1A, 2A
Model 2A ONLY
Any combination of
Models 1A, 2A
Any combination of
Models 0A****, 1A, 2A
Multi V IV Air Source
Heat Pump
502********* and Higher
503********* and Higher
©
Figure 47: Location and Setting of ODU DIP Switch 3.
Air/Water Source Unit DIP Switch No. 3
ON
OFF
1 2
3
4
1 2
3
4
Outdoor Unit DIP
Switch No. 3
Must be ON
System will operate WITH Gen. 4 features.
OFF
System will operate but WITHOUT Gen. 4 features.
Must be OFF
(factory default)
Does NOT include Gen. 4 features. System will not
Must be OFF
operate if DIP Switch No. 3 is ON, and an error code will
(factory default)
be generated.
Must be OFF
(factory default)
N/A***
Does not include Gen. 4 features.
Multi V Air Source
Multi V IV Water Source
Heat Recovery
ON
OFF
5
6
7
1 2
5
6
7
1 2
Operation Status
Multi V IV Water Source
Heat Pump
Heat Recovery
504********* and Higher
3
4
5
6
7
3
4
5
6
7

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