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    Qubino Flush 2 Relay (ZMNHBD3) — Installation Instructions

    September 08, 2026 3 min read

    Quick installation instructions for the Qubino Flush 2 Relay (ZMNHBD3): wiring, safety warnings, Z-Wave inclusion/exclusion, factory reset, and technical specifications.

    💾 Download Original PDF
    Full text manual (for reference)

    Quick installation guide for the Qubino Flush 2 Relay (model QUZMNHBD3 and related ZMNHBD-series variants) — a single flush-mount module that controls the on/off function for two electrical devices and measures power consumption of both. It can be paired with an optional digital temperature sensor and supports both push-button/momentary switches and toggle switches (default).

    Package Contents

    • Flush 2 Relay device
    • Installation Manual

    Safety Warnings

    • Danger of electrocution! Installation of this device requires a great degree of skill and may be performed only by a licensed and qualified electrician. Even when the device is turned off, voltage may still be present in the device's terminals.
    • Before installation or maintenance, disconnect electrical power at the main fuse or circuit breaker. Even with the breaker off, some voltage may remain in the wires — confirm no voltage is present before proceeding.
    • Take extra precautions to avoid accidentally turning on the device during installation. Connect exactly according to the wiring diagram — improper wiring may be dangerous and damage equipment.
    • Do not connect the device to loads exceeding the recommended values.
    • Electrical installation must be protected by a directly associated overcurrent protection fuse: 4A, gG or Time lag (T), rated breaking capacity 1500A (ESKA 522.723), installed per the wiring diagram. Fuse holder type: Adels contact 503Si/1 DS per IEC60669-2-1.
    • Place the antenna as far as possible from metal elements (signal interference) and do not shorten the antenna.

    Z-Wave Inclusion (Adding to Network)

    Auto-Inclusion

    1. Enable inclusion mode on your Z-Wave gateway (hub)
    2. Connect the device to the power supply (temperature sensor, if used, should already be connected — sold separately)
    3. Auto-inclusion is initiated within 5 seconds of connection to the power supply; the device registers automatically to your network

    Manual Inclusion

    1. Connect the device to the power supply (with the temperature sensor already connected, if used)
    2. Toggle the switch connected to the I1 terminal 3 times within 3 seconds (device must get an On/Off signal 3 times — 3 pushes of a push-button, or 6 presses of a toggle switch)
    3. OR if powered by 24V SELV supply, press and hold the S (Service) button for 2–6 seconds
    4. A new multi-channel device will appear on your dashboard

    Note: Make sure the device is excluded from your network before connecting the temperature sensor. Switch off power, connect the sensor, then re-include the device.

    Z-Wave Exclusion / Reset

    Exclusion

    1. Connect the device to the power supply and ensure it's within range of your Z-Wave gateway or handheld remote
    2. Enable exclusion mode on your gateway
    3. Toggle the I1 switch 3 times within 3 seconds, or hold the S (Service) button 2–6 seconds if on 24V SELV power
    4. The device is excluded from the network, but custom configuration parameters are NOT erased

    Factory Reset

    1. Connect the device to the power supply
    2. Within the first minute, toggle the I1 switch 5 times within 3 seconds, or hold the S (Service) button at least 6 seconds if on 24V SELV power

    Resetting returns all custom parameters to default values and deletes the owner ID. Use this only when the main gateway/hub is missing or inoperable.

    Technical Specifications

    Power supply 110–240 VAC ±10% 50/60Hz, (24–30VDC)
    Rated load current (AC/DC output, resistive) 2 × 4A / 240VAC / 30VDC
    Output circuit power (resistive load) 2 × 940W (240VAC) / 2 × 440W (110VAC) / 2 × 96W (24VDC)
    Power measurement accuracy P=0–200W ±2W; P>200W ±3%
    Digital temperature sensor range -50 ~ +125°C (-58 ~ 257°F)
    Operation temperature -10 ~ +40°C (14 ~ 104°F)
    Dimensions (package) 41.8 × 36.8 × 16.9 mm (79 × 52 × 22 mm packaged)
    Weight (with package) 28g (34g)
    Electricity consumption 0.4W
    For installation in boxes Ø ≥ 60mm (2.36in) or 2M, depth ≥ 60mm
    Switching Relay (2×)
    Z-Wave Repeater Yes
    Z-Wave operation range Up to 30m indoors (98 ft)

    Supported Loads

    • Electric motor (apply cos φ for max current calculation; max current for cos φ=0.4 is 2A at 250VAC. Recommend RC snubber circuit for inductive loads)
    • Conventional incandescent and halogen lights
    • LED bulb, compact fluorescent bulb (CFL), low-voltage halogen bulbs with electronic transformer (0.5A per channel LED / CFL, 2.4A per channel LVH electronic transformer)
    • Low-voltage halogen bulbs with conventional transformer

    Important Notes

    • The Service (S) button must NOT be used when the device is connected to 110–240V power supply.
    • Durability: for resistive loads and 4A current consumption per device, product lifespan exceeds 70,000 switches per individual load.
    • Wago 221-413 splicing connectors for L and N connection must be used only when connected to 240 VAC.

    Model naming: ZMNHBXY — X, Y values define product version per region/frequency. See Qubino's online catalogue for the exact regional variant.