Residential Gas Hydronic Heating System
Residential Gas Hydronic Heating System
Residential Gas Hydronic Heating System
Residential Gas Hydronic Heating System
9
9
9
9
QVM 9
Series
Advantages of
Advantages of
Advantages of
Advantages of
QVM 9
QVM 9
QVM 9
QVM 9
Hydronic Heating System
Hydronic Heating System
Hydronic Heating System
Hydronic Heating System
1.
1.
1.
1.
Burner Safety Protection (Flame Detection)
Burner Safety Protection (Flame Detection)
Burner Safety Protection (Flame Detection)
Burner Safety Protection (Flame Detection)
When the flame fails or re-ignition fails, the gas supply is automatically cut off.
2.
2.
2.
2.
Safety Protection on Power Restoration
Safety Protection on Power Restoration
Safety Protection on Power Restoration
Safety Protection on Power Restoration
When the power is restored after a power failure, the boiler automatically starts and runs.
3.
3.
3.
3.
Ignition Failure Safety Protection (Flame Detection)
Ignition Failure Safety Protection (Flame Detection)
Ignition Failure Safety Protection (Flame Detection)
Ignition Failure Safety Protection (Flame Detection)
When the ignition fails, the gas supply is automatically cut off.
4.
4.
4.
4.
Safety Protection against Excessive Air Pressure
Safety Protection against Excessive Air Pressure
Safety Protection against Excessive Air Pressure
Safety Protection against Excessive Air Pressure
When a high air pressure exists in the flue, the air ratio control maintains correct combustion. When
the pressure becomes excessive, the gas supply is automatically cut off.
5.
5.
5.
5.
Explosive Ignition Protection
Explosive Ignition Protection
Explosive Ignition Protection
Explosive Ignition Protection
Explosive ignition is prevented with the air ratio control system.
6.
6.
6.
6.
Overheat Protection
Overheat Protection
Overheat Protection
Overheat Protection
Overheating burners or heat exchangers will automatically cut off the gas supply.
7.
7.
7.
7.
Low Water Level Safety
Low Water Level Safety
Low Water Level Safety
Low Water Level Safety
The water level in the heat exchanger is always monitored and the boiler will not start when there is no water in
the exchanger.
8.
8.
8.
8.
Thermostat Safety Protection
Thermostat Safety Protection
Thermostat Safety Protection
Thermostat Safety Protection
If the thermostat fails, combustion will be stopped and the gas supply is automatically cut off.
9.
9.
9.
9.
Freeze
Freeze
Freeze
Freeze Preventation
Preventation
Preventation
Preventation
When the temperature falls, the boiler automatically starts to prevent the freezing of the boiler. When
there is no gas available the circulation pump is automatically started.
10.
10.
10.
10.
Gas Pressure Control (Gas Control Valve)
Gas Pressure Control (Gas Control Valve)
Gas Pressure Control (Gas Control Valve)
Gas Pressure Control (Gas Control Valve)
Gas pressure is maintained constantly by the gas valve.
11.
11.
11.
11.
Short Circuit Safety Protection
Short Circuit Safety Protection
Short Circuit Safety Protection
Short Circuit Safety Protection
A short circuit in the boiler will blow the fuse and automatically cut off the gas supply.
12.
12.
12.
12.
Auto Fan Detection
Auto Fan Detection
Auto Fan Detection
Auto Fan Detection
The rotation of the fan is automatically detected and controlled. Fan failure will stop the operation of the boiler.
13.
13.
13.
13.
Boiling Prevention
Boiling Prevention
Boiling Prevention
Boiling Prevention
Excessive temperatures will automatically stop the boiler.
14.
14.
14.
14.
Lightning and Static Electricity Protection
Lightning and Static Electricity Protection
Lightning and Static Electricity Protection
Lightning and Static Electricity Protection
Protection against lightning and static electricity is built into the controller.
Safety Protection
Safety Protection
Safety Protection
Safety Protection
