LG PAHCMR000 Installation Manual page 22
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Also See for PAHCMR000:
- Installation manual (47 pages) ,
- Service manual (18 pages) ,
- Owners & installation manual (7 pages)
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AHU COMMUNICATIONS KIT INSTALLATION
Solutions Overview
Return Air Temperature Control
DDC Control by Contact Signal : Fixed T
T
r
AHU
1) Note : When DDC control AHU Controller by contact signal, the control commend of LG central
The DDC controls return air temperature (T
AHU Communication Kit for Return air control. A fixed target evaporator or condensing temperature (T
changed in MULTI V and Single outdoor function code setting. LG wired remote controller and LG Central Controller can be
optionally applied, but only monitoring function is possible.
Required Items
MULTI V
Single Zone
Function List
Control
Monitor
Note :
O : Applied, X : Not applied
1. LG Central controller is based on AC Smart IV and ACP IV
2. Refer to Universal Input – UI Setting #1 for more detail
22
+ T
or T
e
r
Room
T
.
Room
Room
Remote
Controller
(Monitoring)
DX
Coil
T
e
controller will be disregarded.
) or room air temperature (T
r
Expansion Valve
EEV
Not Required
Contact Signal type (DDC)
Function List
O
e p
t a r
g n i
n O
O /
f f
O
e p
t a r
n o i
M
o
e d
e R
u t
n r
r i A
e T
m
e p
a r
u t
e r
D
s i
h c
r a
e g
r i A
e T
m
e p
a r
u t
e r
o F
c r
d e
T
e h
m r
l a
n O
O /
f f
C
p a
c a
y t i
o C
t n
l o r
E
m
e
g r
n e
y c
t S
p o
O
e p
t a r
g n i
n O
O /
f f
O
e p
t a r
n o i
M
o
e d
e R
u t
n r
r i A
e T
m
e p
a r
u t
e r
D
s i
h c
r a
e g
r i A
e T
m
e p
a r
u t
e r
e D
o r f
t s
a t s
s u t
E
o r r
A r
a l
m r
o C
m
p
e r
s s
r o
n O
O /
f f
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" is a registered trademark of LG Corp.
DDC
(Field Supply)
AI / DI / DO
Signal
AHU Controller
PAHCMR000
) by transferring AI / DI / DO signal to the
Room
) can be
e
Wired Remote Controller
Optional (Monitoring only)
Optional (Monitoring only)
LG Remote Controller
O
X
O
X
O
X
X
X
O
X
X
X
X
X
O
O
X
O
X
O
X
X
O
O
O
O
X
O
LG Central
Controller
(Monitoring only)
Outdoor Unit
Central Controller
Optional (Monitoring only)
Optional (Monitoring only)
LG Central Controller
1
X
X
X
X
X
X
X
O
O
O
X
X
O
X
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