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0xC9 : configuration command. It reports back controller version and much more, need more investigation.
Experimental prohibit commands
The procon send these commands when setting prohibit to true, but it does not seem to affect the heatpump. It turns out that these command works in server control mode.
0x80 : Set Zone Setpoints, Byte[2] determines which Zones
0x40 : Unknown
0x20 : Set Hotwater Setpoint
0x10 : Unknown
0x08 : Set Heating Control Mode
0x04 : Set Hot Water Mode
0x02 : Unknown
0x01 : Set System Power Power
Z : Zones the Command Applies to
0x00 : Zone 1
0x01 : Zone 2 ( Probably )
0x02 : Both
P : System Power
0x00 : Standby
0x01 : Power On
DHW : Hot Water Mode
0x00 : Normal
0x01 : Eco
HC1 : Heating Control Mode Zone 1
0 : Temperature Mode
1 : Flow Control Mode
2 : Compensation Curve Mode
HC2 : Heating Control Mode Zone 2
0 : Temperature Mode
1 : Flow Control Mode
2 : Compensation Curve Mode
DHWSP : Hot Water Setpoint (Temperature * 100)
Z1SP : Zone 1 Setpoint (* 100)
Z2SP : Zone 1 Setpoint (* 100)
0x34 - Hot Water and Holiday Mode
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
0x34
Flags
DHW
HOL
IDHW
Z1HI
Z1CI
Z2HI
CZ2I
SCM
Flags : Flags to Indicate which fields are active
0x01 : Hot Water Force (Boost)
0x02 : Holiday Mode
0x04 : DHW Inhibit -- Suspected
0x08 : Heating Z1 Inhibit -- Suspected
0x10 : Cooling Z1 Inhibit -- Suspected
0x20 : Heating Z2 Inhibit -- Suspected
0x40 : Cooling Z2 Inhibit -- Suspected
0x80 : Server Control Mode
DHW : On (1) / Off (0)
HOL : On (1) / Off (0)
SCM : Server Control Mode On (1) / Off (0)
IDHW : Inhibit DHW On (1) / Off (0) -- Suspected
0x35 - Set Zone Setpoint (signed)
Identified so far, this must do far more that this!
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
0x35
flag
CH
Z1SP
Z1SP
Z2SP
Z2SP
flag : zone 1 / zone 2 flag
0x02 : Zone 1
0x08 : Zone 2
CH: Cool/Heat flag, 1 when setting room temp in cool mode, 0 in heating mode
Z1SP : Zone 1 Setpoint (* 100)
Z2SP : Zone 2 Setpoint (* 100)
Get Request - Packet Type 0x42
Available Commands
Active commands so far identified, 0x00 to 0xff. Commands not listed appear to generate no resaponse. Some command listed have empty, payload 0x00, response.
Command
Brief Description
0x01
Time & Date
0x02
Defrost
0x03
Error codes
0x04
Compressor Frequency
0x05
Hot Water Flag
0x06
Unknown - Empty Response
0x07
Output Power
0x08
Unknown
0x09
Zone 1 & 2 Temperatures and Setpoints, Hot Water Setpoint
0x0b
Zone 1 & 2 and Outside
0x0c
Water Flow Temperatures
0x0d
Boiler Flow Temperatures
0x0e
Unknown
0x10
Thermostats
0x11
Unknown
0x13
Run Hours
0x14
Primary Flow Rate & Booster/Immersion
0x15
Pump status
0x16
Unknown
0x17
Unknown - Empty Response
0x18
Unknown - Empty Response
0x19
Unknown - Empty Response
0x1a
Unknown - Empty Response
0x1c
Unknown - Empty Response
0x1d
Unknown - Empty Response
0x1e
Unknown - Empty Response
0x1f
Unknown - Empty Response
0x20
Unknown - Empty Response
0x26
Various Operantion Mode Flags
0x27
Unknown
0x28
Various Operantion Mode Flags
0x29
Zone 1 & 2 Temperatures
0xa1
Unknown
0xa2
Unknown
0xa3
Unknown - Empty Response
0xc9
Hardware configuration
Payload - All Commands
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Command
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Set Response - Packet Type 0x61
Available Commands
Active commands so far identified.
Command
Brief Description
0x00
OK
0x00 - Set command ACK
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Command
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Get Response - Packet Type 0x62
Resposes
Responses so far identified.
Command
Brief Description
0x01
Time & Date
0x05
Various Flags
0x09
Zone 1 & 2 Temperatures and Setpoints, Hot Water Setpoint
0x0b
Zone 1 & 2 and Outside Temperature
0x0c
Water Flow Temperatures
0x0d
Boiler Flow Temperatures
0x26
Various Operantion Mode Flags
0x28
Various Operantion Mode Flags
0x29
Zone 1 & 2 Temperatures
0x01 - Time & Date
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
0x01
Y
M
D
h
m
s
Y: Year
M: Month
D: Day
h: Hour
m: Minute
s: Second
0x02 - Defrost
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
0x02
D
D: Defrost
0x03 - Error codes
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
0x03
RE
FC1
FC2
FT1
FT2
M
S
RE: refrigerant error code
FC1+FC2: Error code FC1 * 100 + FC2
FT1: fault code letter (first)
FT2: fault code letter (second)
M: Multi Zone Running Parameter (3 = Z2/2 = Z1/1 = Both Active)
S: Single Zone Running Parameter (TBC)?
0x04 - Various Flags
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
0x04
CF
CF : Compressor Frequency
0x05 - Various Flags
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
0x05
DE
HS
HSP
DE : Value of 7 when in Hot Water on Temp Drop Mode