Honeywell S4565BM1080 gas boiler control unit

The Honeywell burner control unit of the S4565BM1080U series is designed specifically for gas domestic heating installations. The S4565BM 1080U series control box is used in conjunction with VK4105G gas regulators (EN2R-9025 product manual) in order to create optimized emergency protection subsystems that ensure safe ignition and flame control of the main burner of the heating system. Relay S4565 BM 1080U are designed for systems with spark ignition of the burner (DBI systems) having a certain safe ignition time.

The CVI-m system contains a smooth gas regulator with a two-position or NTC regulator and a smooth regulation function or a two-level function, as well as an ignition regulator with a built-in power supply of the actuator for smooth electrical regulation. The Resideo S4565BM1080B series provides excellent performance with high reliability. The automatic ignition of the S4565BM 1080B series can be used with DBI systems. The control and regulation unit of the S4565 BM 1080B series is applicable for heating installations with and without a fan, with flame detection devices, soft or hard locking, additional remote reset and fixed waiting periods. If the flame goes out, the full starting sequence is activated. The characteristics and design of the ignition regulator ensure its easy installation with fixation on VK4105G gas regulators.

The Honeywell control unit of the S4565BM1080 model has the purpose: atmospheric DBI system with fixed or adjustable ignition pressure with a rigid lock.

General remarks

• Housing: (S) tandard or (F)lame retarding / IPX4 S / –
• Electromagnetic filter Y
• The ambient temperature is -15…60°C
• Humidity 90% R.H. max. (at 40 °C) without condensation

Electrical characteristics

• Supply voltage, power consumption 230 V AC; 50 Hz; no more than 4 VA
• Gas valves designed for VK41..G series
• Fan 230 V AC; 50 Hz, not more than 1 A

Electrical connection

• Polyhedral molex 3003 connector, suitable for molex 3001 connector
• High voltage spark and grounding 2.8 x 0.5mm blade terminal
• Flame extinguishing rod 4.8 x 0.8 mm with blade terminal
• Synchronization
• Self-test time 1.5 s
• Waiting time 0 s
• Safe time 7 s
• Increased ignition time 1.5 s

Lock/Reset/Alarm

• Blocking: (N) on non-volatile or (V) on unstable N
• Shut-off without air access         –
• Reset and alarm (I) ntegral or (R) emote R/I (neon signal 230 V, max. 1 mA)
• Constant alarm (max.1 mA) Y

Ignition

• Ignition: up to (G) round, (Cl) closed loop or 230 V (DC) G
• Ignition and flame extinguishing: (S) separate or (C) combined S
• Flame sensor: (P) phase or phase-(N) internal P
• Spark frequency 25 Hz
• Minimum open spark voltage 15 kV
• Gas pressure regulation
• Ignition pressure (A) adjustable, (L)flow rate, (H)height, depending on (I) input voltage L
• Increased ignition pressure step – s
• Burner pressure: PW(M), (H) ilo, (Hi)gh, (N) TC during operation

General provisions

• All burner control protection functions are combined into one reliable and optimized system.

• Special emphasis in the design was placed on obtaining an optimal system solution in smoothly regulated gas heating installations with a DBI system for ignition of the main burner.

• Convenient installation of the ignition regulator on the gas regulator by simple installation in the connector. This design eliminates electrical installation errors.

Electrical connections

• An appropriate ignition regulator can be connected to the valve, for which a connector is provided on the valve.

• Electrical connections are made at the top using a multi-pin connector (enclosure protection class IP 20).

• Connectors for ignition and flame detection are located at the output end of the enclosure.

• Connection of the ignition device – using a flat AMP terminal 2.8 x 0.5 mm.

• Connection of the flame detection device – using a 4.8 x 0.8 mm AMP flat terminal (in the case of a double rod). Electrical connection options

• The housing can be closed with a lid with a cable lock.

System operation

The automatic burner control of the S4565BM 1080 series can create a spark discharge both in a closed circuit and to the ground. If the ionization control unit of the S4565 BM 1080 series with a spark discharge in a closed circuit will be used in installations with a spark discharge to the ground, then it is necessary to ground the upper discharge electrode. The output pressure of the gas valve can be adjusted using an input PWM signal, a two-level relay or an NTC sensor. Before each start of the boiler, the controller of the S4565BM1080U series checks the internal protective equipment. The time required for such a check is called the TC self-check time.

When heating is required, the time equal to the sum of the self-test (TC) and standby (TW) periods expires before the built-in ignition device and the gas valve are switched on. The spark ignites the gas, and the resulting flame is detected by the flame sensor rod. The ignition device turns off after the preset extended ignition time is over and the flame is established. If the flame does not set within the safe ignition time (TS), the ignition regulator is blocked. If the flame goes out during normal operation, the ignition controller repeats the starting sequence.

Reset the lock

The ignition regulator can be reset to its original state by pressing its own or external reset button.

• Hard-locked devices can be reset by pressing the built-in or remote reset button.

• Wait at least 10 seconds before pressing the button.

• Soft-lock devices can be reset by interrupting the mains power twice.

• After blocking, disconnect the mains power for about one second.

• After the mains power is restored, the emergency indicator continues to light.

• Wait 10 seconds and interrupt the power again.

• As soon as the mains power is restored, the emergency indicator will go out and the device will make a new attempt to ignite.

Standards

The Honeywell S4565BM1080U automatic burner control unit is designed in accordance with European standards:

– EN 298: Automatic control systems for gas burners.

– EN 60730-1: Automatic electrical control devices for household and similar purposes.

With regard to electrical safety, the ignition regulator can be used in installations that meet the electrical safety requirements for household electrical appliances defined by the series of European standards EN 60335.