Information about the TEC QRS11 heat pump and it's modbus connection. Not all values are know yet. USE AT YOUR OWN RISK.
Some words are shortend to make it easer to read, here is the list of word
- Domestic Hot Water (DHW)
| Type | Value |
|---|---|
| Baudrate | 9600 |
| Databits | 8 |
| Stopbits | 2 |
| Parity | even |
| Address | Parameter | Value |
|---|---|---|
| 1 | DI4 | AC Switch |
| 2 | DI5 | DHW Switch |
| 3 | TR12 | SG Function |
| Address | Parameter | Value |
|---|---|---|
| 1 | AL01 | Alarm: Low pressure |
| 2 | AL02 | Alarm: High pressure |
| 3 | AL03 | Alarm: Low outlet water temperature (ST < AR01) |
| 5 | AL05 | Alarm: High outlet water temperature (ST > AR03) |
| 6 | AL17 | Alarm: Water flow is short |
| 7 | AL18 | Alarm: Low pressure alarms times within 24 hours is over the limit |
| 8 | AL19 | Alarm: High pressure alarms times within 24 is over the limit |
| 9 | AL20 | |
| 10 | AL21 | |
| 11 | AL24 | |
| 13 | AL37 | |
| 14 | AL38 | |
| 15 | AL71 | |
| 16 | AL72 | |
| 17 | AL73 | |
| 18 | AL74 | |
| 19 | AL75 | |
| 20 | AL76 | |
| 23 | AL78 | |
| 25 | Secondary Pump | |
| 27 | Primary Pump | |
| 32 | NO4 | AC Heater |
| 33 | D07 | Crankshaft heater |
| 34 | NO1 | DHW Circulation Pump |
| 36 | NO8 | DHW Heater |
| 39 | NO6 | Gas boiler |
| Address | Parameter | Value | unit |
|---|---|---|---|
| 1 | B1 | Inlet Temperature | 0.1°C |
| 2 | B2 | Outlet Temperature | 0.1°C |
| 3 | T2 | Ambient Temperature | 0.1°C |
| 4 | T4 | Suction | 0.1°C |
| 5 | T3 | Discharge | 0.1°C |
| 6 | B6 | Low Pressure Side | 0.1 bar |
| 7 | B7 | High Pressure Side | 0.1 bar |
| 8 | Flow | 0.1 m3/h | |
| 9 | Room Temperature | 0.1°C | |
| 13 | Compressor | 1 Hz | |
| 14 | Y3 | Indoor pump PWM | 0.1% |
| 17 | B4 | Hot Water | 0.1°C |
| 18 | Operating Hours | 1 Hour | |
| 20 | Unit State | unit_state | |
| 22 | Produced heat | kWh | |
| 23 | Energy consumed | kWh |
| Address | Parameter | Value | default | min | max | unit | Access |
|---|---|---|---|---|---|---|---|
| 9 | Room Temperature | 0.1°C | |||||
| 61 | ST01 | Temperature on cooling mode | 13 | ST11 | ST12 | 0.1°C | User |
| 62 | ST02 | Temperature on heating mode | 35 | ST13 | ST14 | 0.1°C | User |
| 63 | ST03 | Temperature difference on cooling mode | 1 | 1 | 10 | 0.1°C | User |
| 64 | ST04 | Temperature difference on heating mode | 1 | 1 | 10 | 0.1°C | User |
| 65 | ST06 | Compensation factor for heating curve | 0.6 | 0 | 3 | 0.1 | User |
| 66 | ST07 | Ambient temperature condition for starting aux heat | 0 | -10 | 20 | 0.1°C | User |
| 67 | ST08 | Compensation factor for cooling curve | 0.6 | 0 | 3 | 0.1 | User |
| 68 | ST11 | Minimum settable cooling temperature | 12 | 0 | ST12 | 0.1°C | Manufacturer |
| 69 | ST12 | Maximum settable cooling temperature | 40 | ST11 | 60 | 0.1°C | Manufacturer |
| 70 | ST13 | Minimum settable heating temperature | 20 | 0 | ST14 | 0.1°C | Manufacturer |
| 71 | ST14 | Maximum settable heating temperature | 50 | ST13 | 8 | 0.1°C | Manufacturer |
| 72 | ST15 | Minimum settable DHW temperature | 20 | 0 | ST16 | 0.1°C | Manufacturer |
| 73 | ST16 | Maximum settable DHW temperature | 65 | ST15 | 80 | 0.1°C | Manufacturer |
| 74 | ST17 | SG Function: Cooling/heating water temperature decrement/increment | 2 | 1 | 10 | 0.1°C | User |
| 75 | ST18 | SG Function: DHW temperature increment | 5 | 1 | 10 | 0.1°C | User |
| 77 | ST33 | DHW circulation pump off interval | 15 | 0 | 180 | 1 min | User |
| 78 | ST34 | DHW circulation pump running time | 3 | 0 | 180 | 1 min | User |
| 79 | ST09 | DHW temperature setup | 50 | ST15 | ST16 | 0.1°C | User |
| 80 | ST10 | DHW temperature difference setup | 3 | 1 | 10 | 0.1°C | User |
| value | state |
|---|---|
| 1 | Heating |
| 2 | Cooling |
| 3 | antifreeze |
| 4 | Defrost |
| 5 | Standby |
| 6 | Off |
| 7 | Starting |
| 8 | On |
| 9 | DHW |