923.55 EURexcl. VAT · import VAT and duties on delivery
Honeywell Gas boiler control unit S4962CM1004V04U
Brand Honeywell
Key specifications
| Supply voltage | 207–253 V |
|---|---|
| Frequency | 50 Hz |
| Application | used in modern wall-hung boilers |
| Actuator type | two-position electric actuator |
| Power consumption | 8 W |
| External outputs | 230 V, maximum 3 outputs; 230 V 0.8 A each; total 2 A |
| Valve output | 230 V AC 50 mA; modulating or on/off |
| Electromagnetic filter | included |
| Control type | PCB-type burner control |
| Gas regulator series | vk41... series gas regulators |
| Flame detection phase | phase-phase |
| Blocking in the absence of air detection | enabled, if applicable |
| Non-volatile blocking | connection |
| Voltage rating | 220–240 |
| Outstanding characteristics | outstanding characteristics and high reliability |
| Compatible boilers | zw. zs. ow 12-1, 23-1 |
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Description
Honeywell S4962CM1004V04U is a PCB-type burner control unit for gas boilers, operating at 207–253 V and 50 Hz with 8 W power consumption. It provides up to three 230 V external outputs (0.8 A each, 2 A total) and a 230 V AC 50 mA valve output for modulating or on/off control. The unit includes an electromagnetic filter, supports phase-phase flame detection, and is designed for use with VK41 series gas regulators. It is compatible with Bosch ZW, ZS, OW 12-1 and 23-1 boilers.
Further details
| Available modifications | various modifications corresponding to various ignition systems |
|---|---|
| Connection to gas regulator | can be easily connected to the electrical circuit of the vk41 series gas regulator |
| Does not affect flame directly | they themselves do not directly affect the flame |
| Electrical Connection | multi-edge connector, high voltage spark and ground 2.8 x 0.5mm blade terminal, flame extinguishing rod 4.8 x 0.5 mm with blade terminal, ground terminal 6.3 x 0.8 mm blade terminal |
| Flame Detection Method | flame detector (ionisation, uv or ir, depending on the system) |
| Flexible settings | cvi allows you to configure the ignition process, as well as control the flame and adjust the gas flow for both the main and pilot burners |
| Ignition Type | both with pilot and direct ignition |
| Installation feature | installation of the ignition regulator on the gas regulator is simplified due to the presence of a special connector located at the top of the regulator |
| Integrated protection | all burner control protection functions are integrated into a reliable system |
| Optimal solutions | special attention is paid to the development of optimal solutions for systems with spark ignition of the burner (dbi) and systems with pilot burner (ip) during ignition of the main burner |
| Reliable development | gas regulator and ignition regulator are designed based on time-tested principles |
| Safe ignition | cvi system guarantees reliable ignition and effective flame control on the main burner |
| Safety Feature | all burner control protection functions are integrated into a reliable system |
Choosing and fitting
Parts of this type are selected by matching the control board's supply voltage, frequency, and output specifications to the boiler's electrical system. The board must be compatible with the gas regulator series and the specific boiler model. Installation involves connecting the board to the gas regulator via the designated connector and ensuring proper grounding and flame detection connections.
Signs of failure
When such control boards fail, the boiler may not ignite, experience intermittent flame loss, or fail to modulate gas flow correctly. Symptoms can include no response to thermostat calls, error codes related to ignition or flame detection, or the boiler locking out. Check the board's power supply, fuse, and connections to the gas valve and flame sensor.
Fits equipment
OW 12-1
All specifications
| Supply voltage | 207–253 V |
|---|---|
| Frequency | 50 Hz |
| Application | used in modern wall-hung boilers |
| Actuator type | two-position electric actuator |
| Power consumption | 8 W |
| External outputs | 230 V, maximum 3 outputs; 230 V 0.8 A each; total 2 A |
| Valve output | 230 V AC 50 mA; modulating or on/off |
| Electromagnetic filter | included |
| Control type | PCB-type burner control |
| Gas regulator series | vk41... series gas regulators |
| Flame detection phase | phase-phase |
| Blocking in the absence of air detection | enabled, if applicable |
| Non-volatile blocking | connection |
| Voltage rating | 220–240 |
| Outstanding characteristics | outstanding characteristics and high reliability |
| Compatible boilers | zw. zs. ow 12-1, 23-1 |
Part numbers
| SKU | S4962CM1004V04U |
|---|---|
| Additional article | 534.568.004 |
| Model | S4962CM1004 |
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