Heating control system THETA+ 233B set

• To control:
1 x heat generator, one-level
- 1 x direct heating circuit
2 x mixing heating circuit (3-point PI controller)
- 1 x hot water

• Delivery contents:
- 1 x controller Theta + 233B
- 1 x external sensor AF 200
- 1 x boiler immersion sensor KVT20/2/6 size 2 m
- 1 x storage temperature sensor KVT20/5/6 size 5 m
- 2 x flow contact sensor VF202
- 1 x BL X1, 16-pin clamp
- 1 x BL X2, 4-pin clamp
- 1 x BL X3, 9-pin clamp
- 1 x BL X4, 9-pin clamp

• 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