Brahma 37170614 CM32FR control box

Brahma CM32FR 37170614 controllers provide efficient control of gas burners with a fan operating independently of combustion in the circuit. These units can be equipped with both non-volatile and volatile locking. They provide the possibility of manual intervention to restart in the event of an emergency lockout or automatic recovery through a power outage. The use of gas control units CM32FR 37170614 is common in steam convectors, heating boilers, warm air generators, radiator tubular heaters and water heaters. They use an ionization-based flame detection mechanism, although without protective resistance, which potentially makes contact with the detection electrode dangerous.

Features

• Electrical reset

• Double flame

• Atmospheric with a fan

• Complies with EN298:1993

• Complies with EN298:2003 (2)

• Flame control based on ionization

• Two safety contacts at the outlet of the gas valve (models with manual reset)

• Service life of electrical equipment > 250,000 operations at maximum load

• Built-in solid-state ignition device

• EU certification (CE PIN code 0694BR1154) according to Directive 90/396 on gas appliances

• Compliance with EN 298 (European standard for automatic programming and flame control systems for gas burners)

• Auxiliary contact for low-power ignition or control of the main gas valve in intermittent power systems (relay contact is not isolated from the main voltage, therefore not suitable for control of SELV circuits)

Technical specifications

Power supply: 230 V – 50/60 Hz; on request: 110-120 V – 50/60 Hz

Operating temperature range: -20 °C +60 °C

Humidity: max. 95 % at 40 °C

Degree of protection: IP00

The presence of a base:no

Safety time (ts): 10 sec

Standby Time (tw): 1.5 sec

Response time in case of flame failure: ≤ 1 s

Minimum ionization current: 1.2 µA

On request: 0.5 µA

Recommended ionization current: 3-5 times the minimum ionization current

Maximum cable length: 1m

Maximum parasitic electrode capacitance: ≤ 1 NF

Maximum short-circuit current: < 200mA AC

Maximum ionization current (230 V 50 Hz): 8 µA DC

Ignition voltage: 20 kV at 30 pF load

Spark repetition rate: 25 Hz

Maximum cable length: 2 m

Recommended discharge distance: 2-4mm

Power consumption: 2.5 VA

Spark energy: 15 MJ

Weight: 200 g

Construction

The CM32FR 37170614 gas firing device is an innovative device with a durable plastic body and self-extinguishing material. This design provides reliable protection against mechanical damage, dust and dirt, which not only prolongs the service life of the device, but also reduces the risks associated with exposure from the external environment.

Optimizing the dimensions of the printed circuit board is a key element in improving the device. The use of a module with electronic components on the surface led to a significant reduction in the size of the device. This step not only made the device more compact, but also increased its efficiency.

Thus, the CM32FR 37170614 firebox not only provides high reliability and long service life, thanks to its robust housing and protection from external influences, but also has an optimal structure that helps reduce size and increase overall productivity.

The principle of operation

Upon activation, the CM32FR 37170614 controller performs automatic self-monitoring, which includes a thorough check of all components. This process includes detailed testing of the flame signal amplifier and the air pressure switch, two key elements of the system.

In case of detection of any malfunctions during self-monitoring, the controller immediately enters the lock mode. This ensures reliable protection and safety of the entire system. Locking the controller prevents possible negative consequences and provides an opportunity to promptly eliminate the identified problems.

Such a self-monitoring and automatic locking mechanism ensures that the CM32FR 37170614firebox operates with the highest level of reliability and safety, which is especially important in industrial processes.