| Product code | 
                        522_186 | 526_652 | 
                    
                    
                        
                        
                            | Heating capacity Outdoor air +35°C/ 7°C | 
                            15.17 kW | 15.00 kW | 
                        
                    
                        
                        
                            | Product type | 
                            Air-to-water heat pump | Air-to-water heat pump | 
                        
                    
                        
                        
                            | Energy efficiency class (35°/55°) | 
                            A+ | A++/A+ | 
                        
                    
                        
                        
                            | SCOP | 
                            3,8/3,00 | 4,18/3,33 | 
                        
                    
                        
                        
                            | Warranty | 
                            5 years | 5 years | 
                        
                    
                        
                        
                            | Estonian language menu | 
                            No | Yes | 
                        
                    
                        
                        
                            | Wi-Fi smart remote control | 
                            No | Yes | 
                        
                    
                        
                        
                            | Operating limit (Heating) | 
                            -25 °C | -25 °C | 
                        
                    
                        
                        
                            | Refrigerant | 
                            R410A | R410A | 
                        
                    
                        
                        
                            | Pipe size (Liquid/Gas) | 
                            15,88/9,52 mm | 9,52/15,88 mm | 
                        
                    
                        
                        
                            | Maximum pipe length | 
                            20 m | 20 m | 
                        
                    
                        
                        
                            | Power supply voltage | 
                            400/3/50 V/Ph/Hz | 400/3/50 V/Ph/Hz | 
                        
                    
                        
                        
                            | Protection circuit breaker | 
                            C20 A | C20 A | 
                        
                    
                        
                        
                            | Active cooling option | 
                            No | Yes | 
                        
                    
                        
                        
                            | COP | 
                            4,10 | 4.33 | 
                        
                    
                        
                        
                            | Control and monitoring via the Internet | 
                            No | No | 
                        
                    
                        
                        
                            | Domestic hot water boiler capacity | 
                            120 l | Separate | 
                        
                    
                        
                        
                            | Maximum heating water temperature | 
                            80 °C | 60 °C | 
                        
                    
                        
                        
                            | Electric auxiliary heating element | 
                             | 3+3+3 kW | 
                        
                    
                        
                        
                            | Auxiliary heating element power | 
                             | 3+3+3/9 kW | 
                        
                    
                        
                        
                            
                        
                        
                        
                            | Indoor unit weight | 
                            135/278 kg | 53/75 kg | 
                        
                    
                        
                        
                            | Indoor unit dimensions (width x height x depth) | 
                            1800x598x647 mm | 448x847x482 mm | 
                        
                    
                        
                        
                            | Indoor unit noise level | 
                            39 dB(A) | 37 dB(A) | 
                        
                    
                        
                        
                            
                        
                        
                        
                            | Outdoor unit weight | 
                            99 kg | 138 kg | 
                        
                    
                        
                        
                            | Outdoor unit dimensions (width x height x depth) | 
                            900x1290x400 mm | 1080x1428x516 mm | 
                        
                    
                        
                        
                            | Outdoor noise level | 
                            47 dB(A) | 45 dB(A) |