Do you have a question about the Junkers ZWC 28-3 MFA and is the answer not in the manual?
General safety instructions for appliance operation and installation.
Explanation of failure codes and their categories for diagnostics.
Instructions for interpreting and resolving error codes displayed by the appliance.
Detailed list and troubleshooting steps for specific error codes (e.g., A4).
Gas setting values for ZWE 24/28-5 MFA/MFAE models.
Gas setting values for ZWE24-5 MFA models.
Gas setting values for ZWC/ZSC 18/21/24/28/30/35-3 MFK / MFKP / MFA/MFAP / MFAE / MFAM models.
General safety instructions for appliance operation and installation.
Explanation of failure codes and their categories for diagnostics.
Instructions for interpreting and resolving error codes displayed by the appliance.
Detailed list and troubleshooting steps for specific error codes (e.g., A4).
Gas setting values for ZWE 24/28-5 MFA/MFAE models.
Gas setting values for ZWE24-5 MFA models.
Gas setting values for ZWC/ZSC 18/21/24/28/30/35-3 MFK / MFKP / MFA/MFAP / MFAE / MFAM models.
| Max. thermal power (80/60 °C) | 28 kW |
|---|---|
| Efficiency | Up to 109% |
| NOx class | 5 |
| Dimensions | 850 x 400 x 370 mm |
| Weight | 38 kg |
| Fuel Type | Natural Gas / LPG |
| Max Operating Pressure | 3 bar |
| Flue Diameter | 80/125 mm |
| Ignition | Electronic |
| Min. thermal power (50/30 °C) | 5.6 kW |
| Gas connection | G 3/4 |
| Heating Output | 28 kW |
| Type | Wall-mounted gas condensing boiler |











