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CoolMaster - Supported VRF Manufacturers Configuration & Specification

Last update:

This article applies to the following CoolMaster products

  • CoolMaster
  • CoolMasterPro 
  • CoolMasterNet
  • CloudBox

CoolMaster VRF brands & manufacturers specifics:

Daikin

 

Daikin Interface DIII-NET
Max Indoors per Line 64
Max Refrigerant systems per Line 10
Connection ODU/*IDU
Terminals

F1 F2 out central controller line (outdoor to outdoor)

Or

F1 F2 in indoor line
CoolMaster Lines L1, L2
Comments
  • The number of supported "group addresses"/actual groups per DIII-Net line is 64.
  • In some system configurations it may allow connecting up to 128 IDUs
  • Unique group address required for all indoors
  • IDU connection is allowed if only one system exist
Service Data Yes, unique AirNet per indoor and system
H/W Required  

 

Mitsubishi Electric

 

Mitsubishi Electric Interface M-NET
Max Indoors per Line 50
Max Refrigerant systems per Line 10
Connection ODU/IDU
Terminals TB7 (M1,M2) / TB3 (M1,M2) 
CoolMaster Lines L1, L2
Comments
  • IDU connection is allowed if only one system exist
Service Data Yes
H/W Required  

Mitsubishi Heavy

 

Mitsubishi Heavy Interface SuperLink / New SuperLink
Max Indoors per Line 128
Max Refrigerant systems per Line 32
Connection ODU/IDU
Terminals A,B
CoolMaster Lines L4, L5, L6, L7
Comments
  • A1,B1 terminals are internally connected to A2,B2
Service Data Yes
H/W Required  

Panasonic

 

Panasonic Interface  
Max Indoors per Line 64
Max Refrigerant systems per Line 15
Connection ODU/IDU
Terminals 1,2
CoolMaster Lines L1, L2
Comments
  • Terminals 1,2 serve both indoor line and system to system line
Service Data Yes
H/W Required  

Sanyo

 

Sanyo Interface SNET
Max Indoors per Line 64
Max Refrigerant systems per Line 16
Connection ODU/IDU
Terminals 1,2
CoolMaster Lines L1, L2
Comments
  • Terminals 1,2 serve both indoor line and system to system line
Service Data No
H/W Required  

Toshiba

 

Toshiba Interface TCC-Link and TU2C-Link
Max Indoors per Line 64*
Max Refrigerant systems per Line 15
Connection ODU/IDU
Terminals (U3,U4) / (U1,U2) 
CoolMaster Lines L1, L2
Comments
  • Service data requires a Toshiba Service Adapter (supplied by CoolAutomation)
  • *up to 128 indoor units per line when TU2C-link
  • IDU connection is allowed if only one system exist
Service Data TCC-Link - Yes
TU2C-Link - No 
H/W Required  

Hitachi

 

Hitachi Interface H-Link
Max Indoors per Line 160
Max Refrigerant systems per Line 30
Connection ODU/IDU
Terminals 1,2
CoolMaster Lines L1, L2
Comments
  • Terminals 1,2 serve both indoor line and system to system line
Service Data Yes
H/W Required  

Haier (MRV4 and earlier)

 

Haier (MRV4 and earlier) Interface P,Q (MRV4 and earlier)
Max Indoors per Line 64
Max Refrigerant systems per Line 1
Connection IDU
Terminals P,Q
CoolMaster Lines L1, L2
Comments
  • For service data: 
    • Unique additional line connected to CN31/CN32 on the outdoor
    • Supported service lines L4, L5, L6, L7
Service Data Yes
H/W Required  

Haier (with Modbus Adapter)

 

Haier (with Modbus Adapter) Interface Modbus
Max Indoors per Line 64
Max Refrigerant systems per Line 16
Connection Modbus adapter
Terminals Modbus adapter - U1(1,2)
CoolMaster Lines L4, L5, L6, L7
Comments
  • For service data: 
    • Unique additional line connected to CN31/CN32 on the outdoor
Service Data Yes (via 3rd party, not through the professional app)
H/W Required  

Haier (MRV5)

 

Haier (MRV5) Interface Modbus
Max Indoors per Line 64
Max Refrigerant systems per Line 16
Connection ODU
Terminals A,B
CoolMaster Lines L4, L5, L6, L7
Comments
  • For service data: 
    • Unique additional line connected to CN47 on the outdoor
Service Data Yes (via 3rd party, not through the professional app)
H/W Required  

LG (connected Outdoor line)

 

LG Interface CentA, CentB
Max Indoors per Line 128
Max Refrigerant systems per Line 16
Connection ODU
Terminals CentA, CentB
CoolMaster Lines L4, L5, L6, L7
Comments
  • For outdoor service data: 
    • System address setup required
Service Data Yes
H/W Required  

LG (connected on Indoor line)

 

LG Interface LGMV
Max Indoors per Line 64
Max Refrigerant systems per Line 1
Connection IDU
Terminals IND-A, IND-B
CoolMaster Lines L4, L5, L6, L7
Comments
  • For outdoor service data: 
    • System address setup required
Service Data Yes
H/W Required  

AUX

 

AUX Interface  
Max Indoors per Line 64
Max Refrigerant systems per Line  
Connection IDU/ODU
Terminals A,B
CoolMaster Lines L4, L5, L6, L7
Comments  
Service Data No
H/W Required  

Gree GMV5 & GMV6

 

Gree GMV5 &

Gree GMV 

 Interface Canbus
Max Indoors per Line 128
Max Refrigerant systems per Line 14*
Connection ODU
Terminals G1,G2
CoolMaster Line L8 (USB-A)
Comments *By default each internal USB adapter line supports up to 7 systems, there are 2 lines. To join the lines and increase total system number contact our support
Supported by Service App Yes
H/W Required USB Adapter (Supplied by CoolAutomation)

Fujitsu

 

Fujitsu Interface LON
Max Indoors per Line 128
Max Refrigerant systems per Line 16
Connection ODU/IDU
Terminals Z1, Z2/X1,X2
CoolMaster Lines L8 (USB-A)
Comments  
Supported by Service App Yes
H/W Required USB Echelon U10/U60 (Sold by 3rd party)

Midea (outdoor connection)

 

Midea (ODU) Interface  
Max Indoors per Line 64
Max Refrigerant systems per Line 16
Connection ODU
Terminals X,Y,E
CoolMaster Lines L4, L5, L6, L7
Comments

• Each system and Indoor must be set with unique address

• Midea V5 supports only indoor service data

• Midea V6,V8 supports Outdoor and Indoor data

• Do not Mix different Midea series on the same line
Service Data Yes
H/W Required  

Midea (indoor connection)

 

Midea (IDU) Interface Non-VRF
Max Indoors per Line 64
Max Refrigerant systems per Line N/A
Connection IDU
Terminals X,Y,E
CoolMaster Lines L4, L5, L6, L7
Comments

• Each Indoor must be set with unique address
Service Data Yes
H/W Required  

Samsung

 

Samsung Interface DVM
Max Indoors per Line 128
Max Refrigerant systems per Line 16
Connection ODU/IDU*
Terminals R1,R2 / F1,F2
CoolMaster Lines L4, L5, L6, L7
Comments *IDU connection is allowed if only one system exist
Service Data Yes
H/W Required  

Chigo

 

Chigo Interface  
Max Indoors per Line 64
Max Refrigerant systems per Line 16
Connection ODU
Terminals X,Y,E
CoolMaster Lines L4, L5, L6, L7
Comments  
Service Data No
H/W Required  

Blue Star

 

Blue Star Interface  
Max Indoors per Line 128
Max Refrigerant systems per Line 16
Connection ODU
Terminals A,B
CoolMaster Lines L4,L5,L6,L7
Comments  
Service Data No
H/W Required  

Tica

 

Tica Interface  
Max Indoors per Line 64
Max Refrigerant systems per Line 16
Connection  
Terminals A2, B2
CoolMaster Lines L4, L5, L6, L7
Comments  
Service Data No
H/W Required  

 

HVAC Lines interoperability

  L1 L2 L3 L4 L5 L6 L7
L1**   v v v v v v
L2** v   v v v v v
L4 v v   v v v v
L5**   v v   v v v
L6* ** v v v v   v v
L7* v v v v v   v
L8 v v v v v v  
  • The total number of supported indoors (for all HVAC lines) can't exceed 255 units
  • * When DIP switches P1 & P2 are "ON", lines L6 & L7 can't be used as separated lines. In this case, polarity in the HVAC cable connected to L7 will be automatically detected
  • ** Line 1 can't be connected simultaneously with Line 5 and Line 2 can't be connected simultaneously with Line 6
  • For more info and visuals please see the installation manual
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