B21, China Town Mall, Midrand
| Product model | W1P28-C | |||
| Energy efficiency rating | level 2 | |||
| heating system performance | Rated heat input | 11.2~28kw | ||
| Rated heat output | 9.6~25kw | |||
| domestic hot water System performance | Rated heat input | 5.4~28kw | ||
| Rated heat output | 4.9~25kw | |||
| Domestic hot water flow Δt=25K | 14 kg/min | |||
| Domestic hot water flow Δt=30K | 11.6 kg/min | |||
| thermal efficiency value | Heating system: n1≥90%; domestic hot water system: n1≥90% | |||
| Heating system maximum water pressure | 0.3 MPa | |||
| Applicable water pressure for domestic hot water system | 0.02~0.8 MPa | |||
| Expansion tank pre-charge pressure | 0.1 MPa (using 6L expansion tank) | |||
| Temperature adjustment range | Heating (heat sink): 30~80℃ Heating (floor heating): 30~60℃ | |||
| Domestic hot water: 35~60℃ | ||||
| Rated gas pressure | Natural gas (12T) | 2000Pa | ||
| Applicable pressure | 1500~3000Pa | |||
| Maximum gas consumption (natural gas 12T) | 2.94 m/h | |||
| Nature of power | 220V~ 50Hz | |||
| Rated electric power | 130W | |||
| Bath preheating power | 180W | |||
| Minimum heat load electric power | 120W | |||
| Standby power (when WiFi is not configured) | 1.7W | |||
| Dimensions (length x width x height) | 740x420x317mm | |||
| Net weight/Gross weight | 37.5 kg /41 kg | |||
| Electric shock protection level | Class I/IPX4 | |||
| Pipeline interface | gas connection | G3/4 | ||
| Heating hot water/return water | G3/4 | |||
| Bath hot/cold water | G1/2 | |||
| Coaxial supply/exhaust pipe | Ф100mm/Φ60mm (maximum length 3m) | |||
Combi Boiler Details:
-Heat exchanger for hot water: Condenser
-Type of burning chamber: Balanced
-LCD display
-Anti-freezing function
-Flame-out protection
-Overheat protection
-Self-diagnosis
-Didital control
-Suitable for many kinds of gas source
-Digital constant temperature
-Energy efficiency 90.2%
-Safe and environmental protection
-Closed system
-Multiple control mode system
