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General| Category | Boiler |
|---|---|
| Model | ZWB 37-2 A |
| Fuel Type | Natural Gas |
| Max. Heating Output | 37 kW |
| Voltage | 230 V |
| Frequency | 50 Hz |
| Phase | Single-phase |
Explains warning symbols and signal words like NOTICE, CAUTION, WARNING, DANGER.
Specifies that the appliance is for sealed hot-water central heating systems.
Details the meaning of model code components like Z, S, W, B, 30, 37, -2, A.
Instructions on how to turn on the gas service cock using a screwdriver.
Instructions on how to turn on the isolators using a screwdriver.
Instructions on how to open the control panel cover.
States the normal operating pressure is 1-2 bar.
Advises asking the installer how to top up and warns about topping up when cold.
Illustrates and labels the various controls on the appliance.
Explains how to switch the appliance on and off using the main switch.
Details how to match flow temperature to the heating system using the controller.
Refers to separate instructions for setting operating mode, heating curve, and room temperature.
Explains how to set DHW temperature and warns about scalding risk.
Explains how to set DHW temperature for ZWB appliances.
Instructions on how to set the appliance to summer mode, disabling central heating.
Instructions for frost protection for the heating system and the cylinder.
How to switch holiday mode on and off.
Explains various display codes and their meanings.
Explains modulating control for efficient heating and even heat distribution.
Recommends regular inspection and maintenance for gas consumption and environmental impact.
Steps to take when the reset button flashes.
Steps to take when the reset button does not flash but a fault is indicated.
Action to take if the fault continues, contact authorized contractor.
Recommends maintenance contracts for efficiency and environmental compatibility.
Instructions for cleaning the outer casing with a damp cloth.
Information on recycling programs and environmental-friendly packaging materials.
Guidance on dismantling and sorting used appliances for recycling or disposal.
Visual guide for switching the appliance on.
Warning about scalding and setting DHW temperature.
Visual guide for switching on central heating.
How to set weather-dependent heating or room thermostat.
Visual guide for setting frost protection.
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