Functional and measuring thermal sensors are installed in the heat pump. The sensors are attached to components and insulated from external heat. Some of the sensors are located in the compressor unit module.
Figure 1. Taurus Inverter Pro (left side viewed from the control unit)
| B21 | Charge circuit, supply water (submersible sensor) | K1 | Compressor |
| B71 | Charge circuit, return water (submersible sensor) | LS2 | Condenser |
| B81 | Hot gas (surface sensor) | Q9 | Charge pump |
| E9 | Low pressure switch | SC1 | Service connection, low pressure |
| E10 | High pressure switch | SC2 | Service connection, high pressure |
| FD1 | Filter dryer | SG1 | Fluid sight glass |
| H82 | Pressure transmitter, low pressure | V82 | Expansion valve |
| H83 | Pressure transmitter, high pressure | | |
Figure 2. Taurus Inverter Pro (right side viewed from the control unit)
| B85 | Suction gas (surface sensor) | K1 | Compressor |
| B91 | Collector, inbound (submersible sensor) | OG1 | Oil sight glass |
| B92 | Collector, outbound (submersible sensor) | Q8 | Source pump |
| FD1 | Filter dryer | Q9 | Charge pump |
| LS1 | Evaporator | R1 | Crankcase heater |
| LS2 | Condenser | | |
Figure 3. Taurus 80/110 EVI (left side viewed from the control unit)
| B36 | Superheating circuit, supply water (submersible sensor) | LS3 | Superheater (between the condenser and evaporator) |
| B85 | Suction gas (surface sensor) | H82 | Pressure transmitter, low pressure |
| B92 | Collector, outbound (submersible sensor) | Q35 | Superheating pump |
| E9 | Low pressure switch | SC1 | Service connection, low pressure |
| LS1 | Evaporator | V82 | Expansion valve |
Figure 4. Taurus 80/110 EVI (right side viewed from the control unit)
| B21 | Charge circuit, supply water (submersible sensor) | K2 | Compressor 2 |
| B37 | Superheating circuit, return water (submersible sensor) | MG1 | Solenoid valve 1 (Economizer) |
| B71 | Charge circuit, return water (submersible sensor) | MG2 | Solenoid valve 2 (Economizer) |
| B81 | Hot gas (surface sensor) | OG1 | Oil sight glass 1 |
| B91 | Collector, inbound (submersible sensor) | OG2 | Oil sight glass 2 |
| E10 | High pressure switch | PT5 | Pressure transmitter (Economizer) |
| H83 | Heat pump sensor | Q8 | Source pump |
| EXM | Expansion valve (Economizer) | Q9 | Charge pump |
| FD1 | Filter dryer | R1 | Crankcase heater (compressor 1) |
| HGT1 | Hot gas (compressor 1) | R2 | Crankcase heater (compressor 2) |
| HGT2 | Hot gas (compressor 2) | SC2 | Service connection, high pressure |
| LS2 | Condenser | SC3 | Oil nipple |
| LS4 | Economizer | SG1 | Fluid sight glass |
| K1 | Compressor 1 | T EVI | Suction gas sensor (Economizer) |