44 | ELECTRICAL CONNECTIONS
MUL
TI V W
ater V W
ater Source Unit Engineering Manual
© LG Electronics Canada, Inc., North York, ON Canada. All rights reserved. “LG” is a registered trademark of LG Corp.
DIP SWITCH SETTINGS FOR USE
WITH GEN 4 INDOOR UNITS
66 | ELECTRICAL CONNECTIONS
MUL
TI V 5 Outdoor Unit Engineering Manual
Due to our policy of continuous product innovation, some specifications may change without notification.
©
LG Electronics Canada, Inc., North York, ON. All rights reserved. “LG” is a registered trademark of LG Corp.
DIP SWITCH SETTINGS FOR USE WITH
GEN 4 INDOOR UNITS
Generation 4 Equipment
The latest versions of LG s indoor units are designated Generation 4 (Gen 4). or Gen 4 indoor units to operate with Gen 4 indoor unit fea-
tures, the air conditioning system must meet the following requirements:
• All indoor units, heat recovery units, and air / water source units
must be Gen 4 or higher.
• All air / water source units must have Gen 4 or higher software
installed.
• Air / water source units DIP switch 3 must be set to ON
(factory default setting is O ).
• All controllers must support Gen 4 indoor unit features.
The figure at right shows the outdoor unit DIP switch. The System
Component Combinations and Operation Status table lists how
combining different components will affect system operation. The
Serial Numbers or Air / Water Source Units with Gen 4 or Higher
Software table lists the serial numbers of air and water source
units that have Gen 4 or higher 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
indoor unit features.
Air / Water
Source Units
Indoor Unit(s)
Heat Recovery Unit(s) Outdoor Unit DIP
Switch No. 3
Operation Status
Gen 4 or Higher
Gen 4 ONLY
odel 2A ONLY
ust be ON
System will operate WITH Gen. 4 indoor unit features.
Gen 4 or Higher
Gen 4 ONLY
odel 2A ONLY
OFF
System will operate but WITHOUT Gen. 4 indoor unit features.
Gen 4 or Higher
Gen 4 ONLY
Any combination of
odels 1A, 2A
ust be O
(factory default)
Does NOT include Gen. 4 features. System will not operate if
DIP Switch No. 3 is ON, and an error code will be
generated.
Gen 4 or Higher Any combination of
Gen 2 and Gen 4
odel 2A ONLY
ust be O
(factory default)
Gen 4 or Higher Any combination of
Gen 2 and Gen 4
Any combination of
odels 1A, 2A
ust be O
(factory default)
Gen 2
Any combination of
Gen 2 and Gen 4
Any combination of
odels 0A ,
1A, 2A
N/A
Does not include Gen. 4 features.
igure 3: Location and Setting of Outdoor Unit DIP Switch 3.
1 2
7
6
5
4
3
1 2
7
6
5
4
3
ON
OFF
1 2
7
6
5
4
3
1 2
7
6
5
4
3
ON
OFF
Air/Water Source Unit DIP Switch No. 3
Table 1: System Component Combinations and Operation Status.
Gen 4 or Higher Air / Water Source Units ulti V 5, ulti V IV or ulti V Water IV with Gen 4 or Higher software (see table below for Gen
4 or higher serial numbers) or ulti V S.
Gen 2 Air / Water Source Units ulti V II, ulti V III, ulti V IV without Gen. 4 software, ulti V Water II, ulti V Water IV without Gen. 4
software, ulti V ini, ulti V Water ini, or ulti 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 it.
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 odel Heat Recovery units are not for use with ulti V 5, ulti V IV, ulti V Water IV, or ulti V III heat recovery systems.
Air / Water Source Unit
Model Type
ulti V Air Source
Heat Pump
ulti V Air Source
Heat Recovery
ulti V IV Water Source
Heat Pump
ulti V IV Water Source
Heat Recovery
Serial Number of Air / Water
Source Units with
Gen 4 or Higher Software
502
and Higher
503
and Higher
504
and Higher
Table 2: Serial Numbers of Air / Water Source Units with Gen 4 or Higher Software.