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CoolMaster Programmers Reference Manual (PRM)
CoolMaster
Interface Adapter for VRV, VRF
Air Conditioning Systems
Cool Master 1000D
Cool Master 2000S
Cool Master 3000T
Cool Master 4000M
Cool Master 6000L
Cool Master 7000F
Cool Master 8000I(MH)
Cool Master 9000H
Document Revision 3.11 1/17/2012
© 2012 Cool Automation LTD www.coolautomation.com
CoolMaster PRM
Table of Contents
Contents 2
Part I Revisions History 3
Part II RS232 Interface 4
Part III General Protocol Definitions 6
Part IV Commands Reference
Part V Firmware Update
8
23
www.coolautomation.com
© 2012 Cool Automation LTD
2
1
CoolMaster PRM Rev 3.11
Revisions History
Document revision 3.11 Tuesday, January 17, 2012
· 3.11
CoolMaster 6000L
· 3.10
query
· 3.9
set baud set slink
· 3.8
CoolMaster 1000D Fahrenheit support
20 groups limit
CoolMaster 8000I(MH)
· 3.7
PAC-YG66, PAC-YG63 support for CoolMaster 4000M
· 3.6
Centralized Address for 200S,3000T
· 3.5
CoolMaster 7000F
· 3.4
fixed compatibility notes auto command, AutC, AutH fspeed: t - top, m for 1000D
VAM and Auto modes in stat
· 3.3
added vam command
Revisions History 3 www.coolautomation.com
© 2012 Cool Automation LTD
2
CoolMaster PRM Rev 3.11
RS232 Interface
RS232 Interface 4
2.1
Mechanical and Electrical Specification
RS232 Interface connector used in Cool Master is D-Type 9-pin DB9 female connector.
Cool Master DB9 Connector front view
DB9 Pin
2
3
5
Signal Lvel
±12V
±12V
GND
Connecting Cool Master to Home Automation Equipment
Description
TxD (Data from Cool Master)
RxD (Data to Cool Master)
Ground
In the picture above it is assumed that Terminal Equipment DB9 connector has RxD line on pin 2 and
TxD line on pin 3. (This is a standard for PC). If a Terminal Equipment (Home Automation Controller) has a reversed pin out ( RxD on pin 3 and TxD on pin 2), the crossed RS232 cable must be used to connect TxD to RxD and RxD to TxD.
According to RS232 specification cable length should not exceed 25m. RS232 Cable supplied with
Cool Master is 1.5m length suitable for direct connection to PC RS232 serial port.
www.coolautomation.com
© 2012 Cool Automation LTD
CoolMaster PRM Rev 3.11
RS232 Interface 5
2.2
Port Settings
For proper communication with Cool Master RS232 Port should be configured with following parameters
Baud Rate
Data Bits
Parity Control
Stop Bits
Flow Control
9600
8
None
1
None
Below is an example of COM port setup in HyperTerminal application
CoolMaster RS232 Port baud rate (bits per second) can be changed with set baud command.
www.coolautomation.com
© 2012 Cool Automation LTD
3
CoolMaster PRM Rev 3.11
General Protocol Definitions
General Protocol Definitions 6
3.1
Message format
Communication between PC or Home Automation Controller and CoolMaster via RS232 interface is based on text messages. Communication example is shown below
>
stat 101
101 ON 27C 00,00C Auto Dry OK
O K
> command PC to CoolMaster response exit code prompt
CoolMaster to PC
Command message sent to CoolMaster must be terminated by CR (carriage return 0x0D) LF (line feed
0x0A) sequence or a single CR character. Messages from CoolMaster (except prompt character) are terminated by CR LF. Commands are case sensitive and should not contain leading or trailing spaces.
The only separator between command name and command parameter(s) is space character.
In case of wrong command CoolMaster response can be one of the following strings:
Unknown command Unrecognized command name
Bad parameters Command has missing or wrong parameters
If command was executed CoolMaster will return optional response and exit code. Detailed information is provided in topics describing specific commands.
3.2
Indoor Unit Addressing
To address specific indoor unit the UID parameter is used in CoolMaster commands. UID format is three characters. First character is hexadecimal digit in range 0-9 or A-F to represent system numbers
0-9, 10-15 correspondingly or Z to specify centralized address mode.
UID Format:
1 2 3
System Number Unit Number in System
0-9, A-F 00-99 or FF
· For CoolMaster 4000M System Number must be 0, Unit Number must be 01-50
· For CoolMaster 1000D System Number must be in range 1-4
· For CoolMaster 2000S, 3000T, 7000F,8000I(MH), 9000H System Number should not be 0
· For CoolMAster 6000L System Number must be 0, Unit Number must be 00-FF
UID reflects the indoor unit address. For proper operation of CoolMaster all indoor units have to be given addresses (depending on specific AC system type this can be done automatically by system or has to be done manually by integrator). You should refer to specific AC system manuals to find out how to set and quire indoor unit addresses.
Below are examples of accepted UID's.
UID
100
101
Indoor Address
1-00
1-01 www.coolautomation.com
© 2012 Cool Automation LTD
CoolMaster PRM Rev 3.11
General Protocol Definitions 7
201
310
F99
2-01
3-10
15-99
UID format for Centralized Address mode:
1
Centralized
Address Sign
Z
2 3
Centralized
Address
00-99
Example:
UID
Z01
Z22
Centralized Address
01
22
Centralized Address mode is currently supported for CoolMaster 2000S and 3000T.
Note: For backward compatibility Unit number in System can be represented by hexadecimal numbers couple in range 00-0F equal to decimal 00-15. For example 10A represents Centralized Address 1-15. We recommend not to use this option in future designs.
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© 2012 Cool Automation LTD
4
CoolMaster PRM Rev 3.11
Commands Reference
4.1
Cool Master Commands
4.1.1
alloff
SYNOPSIS alloff
DESCRIPTION
Turn off all indoor units
EXAMPLE
>alloff
OK
EXIT CODE
OK Request Successfully Executed
4.1.2
allon
SYNOPSIS allon www.coolautomation.com
Commands Reference 8
© 2012 Cool Automation LTD
CoolMaster PRM Rev 3.11
DESCRIPTION
Turn on all indoor units.
EXAMPLE
>allon
OK
EXIT CODE
OK Request Successfully Executed
Commands Reference 9
4.1.3
boot
SYNOPSIS boot
DESCRIPTION
Switch CoolMaster to bootloader mode. Bootloader mode is used for Firmware Update. For details
please see the Firmware Update section.
EXAMPLE
>boot reboot...
4.1.4
cool
SYNOPSIS cool <UID>
DESCRIPTION
Set indoor unit UID mode to COOL.
EXAMPLE
>cool 102
OK
EXIT CODE
OK
ERROR:1
Request Successfully Executed
Unit with specified UID not found
4.1.5
dry
SYNOPSIS dry <UID> www.coolautomation.com
© 2012 Cool Automation LTD
CoolMaster PRM Rev 3.11
DESCRIPTION
Set indoor unit UID mode to DRY.
EXAMPLE
>dry 102
OK
EXIT CODE
OK
ERROR:1
Request Successfully Executed
Unit with specified UID not found
4.1.6
heat
SYNOPSIS heat <UID>
DESCRIPTION
Set indoor unit UID mode to HEAT.
EXAMPLE
>heat 102
OK
EXIT CODE
OK
ERROR:1
Request Successfully Executed
Unit with specified UID not found
Commands Reference 10
4.1.7
auto
SYNOPSIS auto <UID>
DESCRIPTION
Set indoor unit UID mode to AUTO. Status report for the Indoor Unit in Auto mode can be
· Auto - Auto Mode
· AutC - Auto Mode Cooling
· AutH - Auto Mode Heating
EXAMPLE
>auto 102
OK
EXIT CODE
OK
ERROR:1
Request Successfully Executed
Unit with specified UID not found www.coolautomation.com
© 2012 Cool Automation LTD
CoolMaster PRM Rev 3.11
COMPATIBILITY
CoolMaster 1000D
CoolMaster 2000S
CoolMaster 3000T v 2.5.1
N.A.
N.A.
CoolMaster 4000M
CoolMaster 6000L
N.A.
any
CoolMaster 7000F N.A.
CoolMaster 8000I(MH) N.A.
CoolMaster 9000H N.A.
4.1.8
fan
SYNOPSIS fan <UID>
DESCRIPTION
Set indoor unit UID mode to FAN.
EXAMPLE
>fan 102
OK
EXIT CODE
OK
ERROR:1
Request Successfully Executed
Unit with specified UID not found
4.1.9
filt
SYNOPSIS filt <UID>
DESCRIPTION
Reset filter sign on indoor unit UID.
EXAMPLE
>filt 102
OK
EXIT CODE
OK
ERROR:1
Request Successfully Executed
Unit with specified UID not found
COMPATIBILITY
CoolMaster 1000D
CoolMaster 2000S
CoolMaster 3000T
CoolMaster 4000M v 0.3.1
v 2.0.9
any any www.coolautomation.com
Commands Reference 11
© 2012 Cool Automation LTD
CoolMaster PRM Rev 3.11
CoolMaster 6000L
CoolMaster 7000F
N.A.
N.A.
CoolMaster 8000I(MH) any
CoolMaster 9000H N.A.
4.1.10 fspeed
SYNOPSIS fspeed <UID> <l|m|h|a|t>
DESCRIPTION
Set indoor unit UID fan speed to low, medium, high, auto, top.
EXAMPLE
Set unit 1-01 fan speed to low >fspeed 101 l
OK
>fspeed 101 m
OK
>fspeed 101 h
OK
>fspeed 101 a
OK
>fspeed 101 t
OK
Set unit 1-01 fan speed to medium
Set unit 1-01 fan speed to high
Set unit 1-01 fan speed to auto
Set unit 1-01 fan speed to top
EXIT CODE
OK
ERROR:1
Request Successfully Executed
Unit with specified UID not found
COMPATIBILITY
CoolMaster 1000D
CoolMaster 2000S
CoolMaster 3000T
CoolMaster 4000M
CoolMaster 6000L
CoolMaster 7000F any
CoolMaster 8000I(MH) any
CoolMaster 9000H any any
2.5.1
any any any any
4.1.11 off
SYNOPSIS off <UID>
Supported: l h
Supported: l m h
Supported: l m h a
Supported: l m h a
Supported: l m h a t
Supported: l m h a t
Supported: l m h a
Supported: l m h t
Supported: l m h
DESCRIPTION
Turn off indoor unit UID.
EXAMPLE
>off 102
OK
Commands Reference 12 www.coolautomation.com
© 2012 Cool Automation LTD
CoolMaster PRM Rev 3.11
Commands Reference 13
EXIT CODE
OK
ERROR:1
Request Successfully Executed
Unit with specified UID not found
EXTENSIONS
CoolMaster 4000M PAC-YG Support
In CoolMaster 4000M v2.5.6 or higher to control PAC-YG66 digital I/O device following off command format is used off <UID> [N]
N is digital output number 1..6
>off 012 2
OK
>off 012 6
OK
4.1.12 on
SYNOPSIS on <UID>
DESCRIPTION
Turn on indoor unit UID.
EXAMPLE
>on 102
OK
EXIT CODE
OK
ERROR:1
Request Successfully Executed
Unit with specified UID not found
EXTENSIONS
CoolMaster 4000M PAC-YG Support
In CoolMaster 4000M v2.5.6 or higher to control PAC-YG66 digital I/O device following on command format is used on <UID> [N]
N is digital output number 1..6
>on 012 2
OK
>on 012 6
OK www.coolautomation.com
© 2012 Cool Automation LTD
CoolMaster PRM Rev 3.11
Commands Reference 14
4.1.13 set
SYNOPSIS set [<option> <value>]
DESCRIPTION
Query or set CoolMaster configuration. Without parameters set command will list all supported configuration options and their values. To change option use format with option and value. Some options are read only and can not be changed.
Configuration
Option
S/N myid version echo baud deg C/F slink master lcd simul
CS count
TO count
Access
Mode
Description
Read CoolMaster Unit Serial Number
R/W CoolMaster Unit own Centralized Address
Read Firmware Version
R/W 0-Disable 1-Enable Commands echo
R/W RS232 Port baud rate. Can be 1200, 2400, 4800, 9600, 18200, 38400,
57600, 115200. Default is 9600
R/W Temperature scale: C-Celsius, F-Fahrenheit. Set command is set deg C or set deg F
R/W A/C line link type for CoolMaster 8000I(MH). Can be O (for Old) or N (for
New)
R/W 1-Master 0-Slave. For CoolMaster 6000L
R/W LCD size
R/W Number of Indoor units permanently simulated. If simul is not zero
CoolMaster will simulate given number of units after reset.
Read Check Sum errors counter
Read Timeout errors counter
EXAMPLE
S/N : 0041 myid : 0A version : 2.1.4
echo : 1 baud 232: 9600 lcd : 8 simul : 0
CS count: 0
TO count: 0
OK
Query configuration
>set echo 0
O K
Set echo option (disable echo)
EXIT CODE
OK Request Successfully Executed
COMPATIBILITY deg C/F baud v 2.5.6 CoolMaster 1000D only v 2.5.8
www.coolautomation.com
© 2012 Cool Automation LTD
CoolMaster PRM Rev 3.11
Commands Reference 15 slink master v 2.5.7 CoolMaster 8000I(MH) only any CoolMaster 6000L only
4.1.14 simul
SYNOPSIS simul <N>
DESCRIPTION
Simulate N indoor units. Simulation mode can be used to debug Home Automation Controller software without connecting CoolMaster to Air Conditioning system line. To exit simulation mode set N to zero or restart CoolMaster.
EXAMPLE
>simul 20
OK
>simul 0
O K
Simulate 20 Indoor Units
Terminate simulation mode
EXIT CODE
OK Request Successfully Executed
4.1.15 stat
SYNOPSIS stat [UID]
DESCRIPTION
Get Indoor unit(s) status. Specific indoor unit can be addressed by UID. If no UID provided in request, response will contain information about all units
EXAMPLE
>stat
100 ON 12C 12,41C High Cool OK
101 OFF 32C 04,93C Low Dry OK
102 ON 07C 08,27C High Dry OK
103 OFF 01C 26,84C Med Dry OK
104 ON 04C 24,08C High Dry OK
105 OFF 11C 07,23C Low Dry OK
106 ON 11C 14,91C Auto Dry OK
107 ON 27C 12,94C Med Cool OK
OK
>stat 101
101 OFF 32C 04,93C Low Dry OK
OK
RESPONSE
Position in String Example Format
0-2 109 NNN
Description
Indoor unit Centralized Address www.coolautomation.com
© 2012 Cool Automation LTD
CoolMaster PRM Rev 3.11
Commands Reference 16
4-6
8-10
12-17
19-22
24-27
ON
23C
ON or OFF
NNC
On/Off Status
Set Temperature ºC
24,08C NN,NNC
Auto Low,Med,High,Auto,Top
Room Temperature ºC
Fan Speed
Cool
Cool,Heat,Fan,Dry,Auto
Auto,Bps,HExc*
AutC,AutH**
OK or Xn, Xnn, nnnn
Operation Mode
OK or Failure code 29-32 OK
* - See
** - See
EXIT CODE
OK
ERROR:1
Request Successfully Executed
Unit with specified UID not found
COMPATIBILITY
This command is obsolete and is supported only for backward compatibility.
EXTENSIONS
CoolMaster 4000M PAC-YG Support
In CoolMaster 4000M v2.5.6 or higher for PAC-YG66 (digital I/O extender) and PAC-YG63 (analog I/O extender), stat,stat2,stat3 commands output format will differ from the mentioned above.
· PAC-YG66. CoolMaster 4000M v2.5.6
>stat 012
012 DIG IN:001111 OUT:000001 OK
OK
Position in String Example
0-2
4-6
8-16
012
DIG
IN:001111
18-27
29-30
OUT:0000001 OUT:XXXXXXX
OK
Format
NNN
DIG
IN:XXXXXX
OK or nnnn
Description
PAC-YG66 Centralized Address
PAC-YG66 Identification
6 Digital inputs 1-6 status. X can be 0 or 1
6 Digital outputs 1-6 status. X can be 0 or 1
OK or Failure code
· PAC-YG63. CoolMaster 4000M v2.5.6
>stat 011
011 ANA 007.5 278.8 OK
OK
Position in String Example
0-2 011
4-6
8-12
ANA
007.5
13-17
19-20
278.8
OK
Format
NNN
ANA
NNN.n
NNN.n
OK or nnnn
Description
PAC-YG63 Centralized Address
PAC-YG63 Identification
Analog input 1 value
Analog input 2 value
OK or Failure code www.coolautomation.com
© 2012 Cool Automation LTD
CoolMaster PRM Rev 3.11
Commands Reference 17
4.1.16 stat2
SYNOPSIS stat2 [UID]
DESCRIPTION
Get Indoor unit(s) status. Specific indoor unit can be addressed by UID. If no UID provided in request, response will contain information about all units. stat2 compared to stat1 has additional Filter Reset
Sign indication
EXAMPLE
>stat2
100 ON 12C 12,41C High Cool OK 0
101 OFF 32C 04,93C Low Dry OK 1
102 ON 07C 08,27C High Dry OK 0
103 OFF 01C 26,84C Med Dry OK 0
104 ON 04C 24,08C High Dry OK 0
105 OFF 11C 07,23C Low Dry OK 0
106 ON 11C 14,91C Auto Dry OK 0
107 ON 27C 12,94C Med Cool OK 1
OK
>stat2 101
101 OFF 32C 04,93C Low Dry OK 0
OK
RESPONSE
Position in String Example
0-2 109
4-6
8-10
ON
23C
12-17
20-23
24,08C
Auto
25-28 Cool
30-32
34
OK
0
* - See
** - See
Format
NNN
ON or OFF
NNC
NN,NNC
Low,Med,High,Auto,Top
Cool,Heat,Fan,Dry,Auto
Auto,Bps,HExc
AutC,AutH
OK or Xn, Xnn, nnnn
0 or 1
EXIT CODE
OK
ERROR:1
Request Successfully Executed
Unit with specified UID not found
COMPATIBILITY
CoolMaster 1000D
CoolMaster 2000S
CoolMaster 3000T
CoolMaster 4000M
CoolMaster 6000L v 0.3.1
any any any any
CoolMaster 7000F any
CoolMaster 8000I(MH) any
CoolMaster 9000H any (no Room Temperature support)
Description
Indoor unit Centralized Address
On/Off Status
Set Temperature ºC
Room Temperature ºC
Fan Speed
Operation Mode
OK or Failure code
Filter Reset Sign present www.coolautomation.com
© 2012 Cool Automation LTD
CoolMaster PRM Rev 3.11
Commands Reference 18
SEE ALSO
CoolMaster 4000M
4.1.17 stat3
SYNOPSIS stat3 [UID]
DESCRIPTION
Get Indoor unit(s) status. Specific indoor unit can be addressed by UID. If no UID provided in request, response will contain information about all units. stat3 compared to stat2 has no fractional part in the room temperature presentation.
EXAMPLE
>stat3
100 ON 12C 12C High Cool OK 0
101 OFF 32C 04C Low Dry OK 1
102 ON 07C 08C High Dry OK 0
103 OFF 01C 26C Med Dry OK 0
104 ON 04C 24C High Dry OK 0
105 OFF 11C 07C Low Dry OK 0
106 ON 11C 14C Auto Dry OK 0
107 ON 27C 12C Med Cool OK 1
OK
>stat3 101
101 OFF 32C 04C Low Dry OK 0
OK
RESPONSE
Position in String Example
0-2
4-6
8-10
109
ON
23C
12-14
16-19
24C
Auto
21-24 Cool
26-27
29
OK
0
* - See
** - See
Format
NNN
ON or OFF
NNC
NNC
Low,Med,High,Auto,Top
Cool,Heat,Fan,Dry,Auto
Auto,Bps,HExc
AutC,AutH
OK or Xn, Xnn, nnnn
0 or 1
EXIT CODE
OK
ERROR:1
Request Successfully Executed
Unit with specified UID not found
COMPATIBILITY
CoolMaster 1000D
CoolMaster 2000S
CoolMaster 3000T v 2.0.9
v 2.0.9
v 2.0.9
Description
Indoor unit Centralized Address
On/Off Status
Set Temperature ºC
Room Temperature ºC
Fan Speed
Operation Mode
OK or Failure code
Filter Reset Sign present www.coolautomation.com
© 2012 Cool Automation LTD
CoolMaster PRM Rev 3.11
Commands Reference 19
CoolMaster 4000M
CoolMaster 6000L
CoolMaster 7000F
CoolMaster 8000I(MH)
CoolMaster 9000H v 2.4.5 any any any any (no Room Temperature support)
SEE ALSO
CoolMaster 4000M
4.1.18 query
SYNOPSIS query <UID> <o|m|f|t|e|a>
DESCRIPTION
Query on/off, operation mode, fan speed, set temperature, failure code or ambient temperature for unit
UID. Query result is provided in numeric or alpha-numeric (for failure code) format.
Letter o m f t e a
Parameter on/off mode fan speed
Result
0 - off
1 - on
0 - Cool
1 - Heat
2 - Auto
3 - Dry
4 - Haux
5 - Fan
0 - Low
1 - Medium
2 - High
3 - Auto
4 - Top set temperature failure code ambient temperature
0-OK, else failure code
command
This command is intended for systems with low parsing capabilities.
EXAMPLE
>query 100 o
1
OK
>query 100 m
0
OK
>query 100 t
25
OK
>query 100 a
27
OK www.coolautomation.com
© 2012 Cool Automation LTD
CoolMaster PRM Rev 3.11
Commands Reference 20
>query 100 f
2
OK
>query 100 e
U4
>query 101 e
0
OK
EXIT CODE
OK
ERROR:1
Request Successfully Executed
Unit with specified UID not found
COMPATIBILITY
Any CoolMaster v 2.6.1
4.1.19 swing
SYNOPSIS swing <UID> <a|h|3|4|6|v>
DESCRIPTION
Set indoor unit <UID> swing to auto, horizontal, 30º, 45º, 60º or vertical. Not all indoor unit types support swing.
EXAMPLE
>swing 101 a
OK
>swing 101 h
OK
>swing 101 3
OK
>swing 101 4
OK
>swing 101 6
OK
>swing 101 v
OK
Set unit 1-01 swing to auto
Set unit 1-01 swing to horizontal
Set unit 1-01 swing to 30º
Set unit 1-01 swing to 45º
Set unit 1-01 swing to 60º
Set unit 1-01 swing to vertical
EXIT CODE
OK
ERROR:1
Request Successfully Executed
Unit with specified UID not found
COMPATIBILITY
CoolMaster 1000D
CoolMaster 2000S
CoolMaster 3000T
CoolMaster 4000M
CoolMaster 6000L
CoolMaster 7000F v2.5.1
v2.3.1
v2.3.1
v2.3.1
any
N.A.
www.coolautomation.com
© 2012 Cool Automation LTD
CoolMaster PRM Rev 3.11
Commands Reference 21
CoolMaster 8000I(MH) any
CoolMaster 9000M any
4.1.20 temp
SYNOPSIS temp <UID> [±]<TEMPERATURE>
DESCRIPTION
Set indoor unit temperature. <TEMPERATURE> parameter must be decimal number. Command can work in relative or absolute manner. If plus '+' or minus '-' sign precede <TEMPERATURE> parameter it's value will be used as requested delta. It means the set temperature will be increased (+) or decreased (-) to that delta. Otherwise temperature will be set to the given value.
EXAMPLE
Set unit 1-01 temperature to 20ºC >temp 101 20
OK
>temp 101 -1
O K
>temp 101 +3
O K
Decrease unit 1-01 temperature by 1ºC
Increase unit 1-01 temperature by 3ºC
EXIT CODE
OK
ERROR:1
Request Successfully Executed
Unit with specified UID not found
4.1.21 group
SYNOPSIS group [<UID_MASTER> <UID>] | delall
DESCRIPTION
Without parameters group command will list current groups. With delall parameter command will delete all groups. In format with two UID's command will group two units. First unit is a master, second unit will follow all settings of the master unit.
EXAMPLE
>group 101 102
OK
>group
101-->101
102-->102
OK group delall
Group units 1-01 and 1-02. Unit 1-02 will follow all settings of the 1-01 unit.
List groups
Delete all groups
EXIT CODE
OK
ERROR:1
Request Successfully Executed
Unit with specified UID not found www.coolautomation.com
© 2012 Cool Automation LTD
CoolMaster PRM Rev 3.11
Commands Reference 22
COMPATIBILITY
CoolMaster 1000D
CoolMaster 2000S
CoolMaster 3000D v 2.4.4
v 2.4.4
v 2.4.4
CoolMaster 4000M
CoolMaster 6000L v 2.4.4
N.A.
CoolMaster 7000F N.A.
CoolMaster 8000I(MH) N.A.
CoolMaster 9000H N.A
Before v2.5.6 number of groups is limited to 4. Beginning from v2.5.6 number of groups is limited to 20.
4.1.22 vam
SYNOPSIS vam <UID> a|b|x|l|L|h|H
DESCRIPTION
This command controls VMA HRV unit mode and fan speed.
· a - auto mode
· b - bypass (Bps) mode
· x - heat exchange (HExc) mode
· l - low fan
· L - low fan with fresh-up
· h - high fan
· H - high fan with fresh-up
On/off control for VAM units is performed with regular
EXAMPLE
VAM unit 101 auto mode >vam 101 a
OK
>vam 101 L
OK
>vam 101 h
OK
VAM unit 101 low fan speed with fresh-up
VAM unit 101 high fan speed
EXIT CODE
OK
ERROR:1
Request Successfully Executed
Unit with specified UID not found
COMPATIBILITY
CoolMaster 1000D only v 2.4.7
www.coolautomation.com
© 2012 Cool Automation LTD
5
CoolMaster PRM Rev 3.11
Firmware Update
Firmware Update 23
5.1
Entering bootloader mode
The process of updating CoolMatser's firmware is very simple and straightforward. First of all
CoolMaster has be switched into bootloader mode. In order to do so, please connect your PC (Laptop) to the RS232 port of the CoolMaster. Next open the Hyper Terminal program and run
This process is described in "User Manual" document. At this point "BOOT" message should appear on the LCD screen of the CoolMaster. Now it is ready for firmware uploading. Please close Hyper
Terminal program and follow to the next step -
.
If for some reason CoolMaster is not responding to boot command or preceding firmware update has failed and CoolMaster is not functioning at all, follow the next steps in order to enter bootloader mode.
Step1
Step2
Disconnect power supply from the
CoolMaster
Open CoolMaster top cover
Step3
Open BOOT jumper shown on the diagram
Step4 Connect power supply to CoolMaster
For CoolMaster 7000F firmware update process is described in separate document. For details please contact
CoolAutomation support.
5.2
Firmware Download
Firmware update is supplied as a set of BAT file(s) and firmware image(s). BAT file can be for example progp-DAIKIN.bat and corresponding image file
DAIKIN.INC
. Make sure that BAT file and the image file are located in same directory. In order to start the process, please simply run the BAT file.
After running BAT file, the ComPort selection prompt will appear and the correct port number should be entered in order to proceed. www.coolautomation.com
© 2012 Cool Automation LTD
CoolMaster PRM Rev 3.11
Firmware Update 24
CoolMaster will react with running address counter on its LCD screen. The whole process may take about a few minutes, and it ends with "EOF" and shortly afterwards "READY" messages on the LCD screen.
5.3
Reboot
After firmware downloading has being finished you need to power reset CoolMaster. If it was entered bootloader mode with BOOT jumper, please make sure to close BOOT jumper back before power reset. www.coolautomation.com
© 2012 Cool Automation LTD
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Table of contents
- 3 Revisions History
- 4 RS232 Interface
- 4 Mechanical and Electrical Specification
- 5 Port Settings
- 6 General Protocol Definitions
- 6 Message format
- 6 Indoor Unit Addressing
- 8 Commands Reference
- 8 Cool Master Commands
- 8 alloff
- 8 allon
- 9 boot
- 9 cool
- 9 dry
- 10 heat
- 10 auto
- 11 fan
- 11 filt
- 12 fspeed
- 12 off
- 13 on
- 14 set
- 15 simul
- 15 stat
- 17 stat2
- 18 stat3
- 19 query
- 20 swing
- 21 temp
- 21 group
- 22 vam
- 23 Firmware Update
- 23 Entering bootloader mode
- 23 Firmware Download
- 24 Reboot