Research Article
Study on the Optimizing Operation of Exhaust Air Heat Recovery and Solar Energy Combined Thermal Compensation System for Ground-Coupled Heat Pump
Table 1
Main device status in three modes.
| | Number | Equipment mode | Electric valve (V1) | Electric valve (V2) | Electric valve (V3) | Electric valve (V4) | Electric valve (V5) | Electric
valve
(V6) | Electric
valve
(V7, V8) | Electric air valve
(VA-1) | Electric air valve (VA-2) |
| Operation
mode 1 | Heating or cooling | Off | Off | Off | On | On | On | Off | Off | On | Operation
mode 2 | Heating plus thermal compensation | On | On | Off | Off | On | On | On or off | On | Off | Operation
mode 3 | Thermal compensation | On | Off | On | Off | Off | Off | On or off | On | Off |
|
|
