LG Single "A" - Synchro Operation

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Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Part 2 Functions & Controls
8. Synchro operation
Install the branch pipe so that pipe length and difference between high and low will not exceedbelow SPEC.
Indoor Unit Refrigerant Additional charging (kg)
Duo
Trio
Quartet
Refrigerant = (L1-a) x B + (L2 + L3) x A
Refrigerant = (L1-a) x B + (L2 + L3 + L4) x A
Refrigerant = (L1-a) x B + (L2 + L3 + L4 + L5) x A
A
Pipe Dia.
(mm)
Ø 6.35
Ø
9.52
0.03 kg/m
0.04 kg/m
a
Model
AUUW42-606(8)D
B
7.5 0.04
Fig.2 electric wiring
Fig.1 Piping length
Branch
Main (L1)
h1
b
b
L2
L3
L4
L5
h2
Remote
Controller
[Unit : m]
Pipe Length
Total(L1+L2+L3+L4+L5)
Main Pipe(L1)
Branch Pipe - L2+L3+L4+L5
Each
In out (h1)
In-In (h2)
L1+L2,L1+L3,L1+L4,L1+L5
L2-L3,L4-L5 : b
Spec.
Max 80
Max 50
Max 40
Max 15
Max 30
Max 1
Max 70
Max 10
2(N) 3 1(L)S CN-REMO
CN-REMO
CN-REMO
Terminals on the indoor unit 4
2(N) 3 1(L)S
Terminals on the indoor unit 3
2(N) 3 1(L)S
Terminals on the indoor unit 2
2(N) 3 1(L)M
Terminals on the indoor unit 1
Terminals on the
Outdoor unit
2(N) 3 1(L)
Remote
Controller
CN-REMO
POWER INPUT
CVT, DUCT
(220V-240V~)
POWER INPUT
(380V-415V3N~)
Synchro 2,3,4
RSTN L N
Single or Synchro 1
2(N) 3 1(L)
2(N)
3 1(L)
2(N)
3 1(L)
2(N)
3 1(L)
2(N) 3 1(L)
CST
When using synchro operation,
Use only one wired remote controller
in the indoor units.
8.1 Piping length guide
8.2 Additional refrigerant charging guide
8.3 Electric Wiring method