Chiller vs VRF 12345

Chiller vs VRF system

LG Electronics Inc. LGEHQ CAC Team

1. Design Comarison Desin

!peration

!ystem concet

Installation

Commissionin

Maintenance

Relia"ility

VRF is very simplifed rerigerant r erigerant piping system. More exible than water pi  p Feature

System composition

Chiller system  Chiller  'C( !'"n Coil (nit$  A)( !Air )"ndling (nit$

 Cooling to*er  +"ter piping, -ct *oring  +"ter pps

MULTI V Plus Ⅱ (VRF)  Otdoor nit !"ir#cooled type$  Indoor nit  %e&riger"nt piping

•

•

•

•

•

•

•

•

•

Chiller 

1. Design Comarison Desin

!peration

Installation

"et#or$ %esign Commissionin

Maintenance

Relia"ility

Easy network wiring Feature

#et$or%

Chiller system

•

 Coplic"ted *iring

MULTI V Plus Ⅱ (VRF)

 iple *iring

•

AC&

1. Design Comarison Desin

!peration

Total management

Installation

Commissionin

Maintenance

Relia"ility

(For VRF Man!a"t!rer  provide  provide all e#!ipment  Feature

Control system

Chiller system • Complicated control structure, additional control manager in the system needed, increasing cost • Third part control provider needed, interconnectivity problems.

VAV ,o-es s)lier  '(an)*act)rer+

MULTI V Plus Ⅱ (VRF) • Simple control structure No additional control provider  • Central control and energy monitoring with low cost available

2. eration Comarison Desin

!peration

Installation

In%ivi%)al oeration Commissionin

Maintenance

Relia"ility

 $ter o%"e ho!rs operation& VRF "o!ld be operated or the !ser demands. Feature

Chiller system  3he systes coonly condition the entire ilding "t predeterined ties, *ith no rear& to user &eman&s'

•

Capacity control

(ery hot mi&niht $ee%en& holi&ay etc)

MULTI V Plus Ⅱ (VRF)  3he systes condition only the necess"ry roos *ith rear&

•

to user &eman&s'

erating Area

 Limite% oeration0

/etter Caacity oeration0

2. eration Comarison Desin

!peration

Tem. control

Installation

Commissionin

Maintenance

Relia"ility

're"ise temperat!re "ontrol  Feat)re

Chiller system

Temerat)re control

Re3)ire 1℃ or 2℃ 

Cooling

 .      m   e    t   m   o   o    R

(4LTI V &l)s

5VRF6

Very recise 7 8.9℃ 

MULTI V system Chiller system

30 ± 

8.9 8 C *rom set oint

2 20 !

18

Ⅱ

28

:8

;8

98