Heating control system THETA+ 233B set

• For the control of:
- 1 x Heat generator, single-stage
- 1 x direct heating circuit
- 2 x mixer heating circuit (3-point PI controller)
- 1 x hot water

• Scope of delivery:
- 1 x Theta + 233B controller
- 1 x outdoor sensor AF 200
- 1 x KVT20/2/6 gr boiler immersion sensor, 2 m
- 1 x cylinder temperature sensor KVT20/5/6 gr, 5 m
- 2 x flow contact sensor VF202
- 1 x BL X1, 16-pin Clamps/terminals
- 1 x BL X2, 4-pole Clamps/terminals
- 1 x BL X3, 9-pole Clamps/terminals
- 1 x BL X4, 9-pin Clamps/terminals

• Weather-dependent boiler temperature control for sliding heating operation
• Fully electronic
• Can be cross-linked with max. four additional THETA devices via a databus
• Cascadable
• Screed heating programme
• Display with background lighting
• Simple operation via clearly labelled button without a double function
• Installation mounting (installation dimensions: 137 x 91 mm, frame dimensions: 144 x 96 mm)
• Also replaces the series Gamma via connection adapter

Technical data:
• Operating voltage: 230 V, 50 Hz
• Power consumption: max. 5.8 VA
• Backup fuse: max. 6.3 A inert
• Output relay contact load: 2 (2) A
• T2B-Bus power supply: 12 V / 150 mA
• Ambient temperature: 0°C...50°C
• Protection type: IP30
• Protection class EN 60730 / EN 60529: II / III
• Connection technology: plug-in screw clamping connections
• Mounting type: Installed controller