Hvac Instruments

Product Details:

Operating Voltage AC 24 V, control signal DC 0....10 V, 4 to 20 mA or 0 to 1000 Ohm, with spring return function.

• SSB31.. operating voltage AC 230 V 3-position control signal• SSB81.. operating voltage AC 24 V 3-position control signal• SSB61.. operating voltage AC / DC 24 V DC 0…10 V control signal• Nominal force 200 N• Automatic identification of valve stroke• Direct mounting with union nut, no tools required• Basic types complete with plug-in connecting cable, length 1.5 m• Optional cable types• Cable length 2.5 m and 4.5 m• Halogen-free cables• Manual override and position indication• Parallel connection of multiple actuators possible• Auxiliary switch integrated in SSB31.1 and SSB81.1 actuators.

Features
• Plastic housing• Locking-proof, maintenance-free gear train• Manual override with hexagonal socket wrench 3 mm• Reduced power consumption in the holding positions• Load-dependent switch-off in the event of overload and in stroke end positions• Parallel operation of 6 SSB31.., 24 SSB81.. and 10 SSB61.. possible, provided the controllers’ output is sufficient• Terminal block connectors for customer made cables available (only for use with AC 24 V and AC / DC 24 V actuators)• Connecting cables with AC 24 V and AC 230 V connectors cannot be mixed up• Halogen-free cables available

Product Details:

Specifications:
The Honeywell T6861V2WB is a digital room thermostat mainly used for fan coil units (FCU) in HVAC systems like hotels, offices, and centralized AC.

Features:

• Accurate temperature sensing (internal/external sensor)
• 3-speed fan control (Auto / Manual)
• Heating & cooling modes (manual/auto changeover)
• Valve control (On/Off type)
• Blue backlit LCD display
• Freeze protection
• Key lock / energy saving mode
• Memory backup (settings saved)
• Time ON/OFF function.

Application

Fan Coil Units (FCU)

Central air-conditioning systems

Hotels, offices, malls

Residential HVAC systems

2-pipe & 4-pipe systems 

Product Details:

A Honeywell damper actuator is a motor device used to open/close or modulate air dampers in HVAC systems (AHU, ducts).

Specifications:

• Type: Electric damper actuator
• Control modes:
  • ON/OFF (2-position)
  • Floating
  • Modulating (0–10 V)
• Supply voltage:
  • 24 VAC / 24 VDC (common)
• Torque:
  • ~5 Nm to 20 Nm (model dependent)
• Rotation angle:
  • ~90° (damper open/close)
• Control signal:
  • 2-position / 0–10 V / 4–20 mA
• Fail-safe type:
  • Spring return (auto close/open on power failure)
  • Non-spring return
• Operating time:
  • 15–90 seconds (typical)
• Mounting:
  • Direct coupled to damper shaft
• Protection:
  • Industrial enclosure, CE / UL approved. 

Applications

• Air Handling Units (AHU)
• HVAC duct systems
• Fire & smoke dampers
• Ventilation control systems
• Commercial buildings (malls, hospitals, factories).