ALRE Electronic room temperature controller, continuous action KTRVB-040.209

Model: KTRVB-040.209 Item No: DA 452200
Equipment: Setting range (turning knob): 21°C ± 3 K, the factory preset “zero” (21°C) can be changed internally by ± 5 K
Outputs: Analogue heating or cooling output 0…10 V or 10…0 V, repluggable 5mA, changeover between heating/cooling operation by means of a switch
Indications: Relative scale (set valve 21°C with “0” marking) swelling arrows (“+” and “-” for warmer/colder)
Functions: Heating or cooling with adjustable p-band
Adjustments: p-band heating or cooling +0.5…+3 K (factory setting 1 K)
Application: Control of climates in individual rooms, the conditioning of which is realised via 1-conduit systems (2-pipe systems) and a proportionally actuated valve. PG: I

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Description

This room temperature controller is suitable for permanent valve drives. The units controls the climate in an individual room, the conditioning of which is realised via 1-conduit systems (2-pipe systems) and a proportionally actuated valve. Outputs: Analog

Technical Data  
Operating Voltage: 24 V ~/… approx.1 VA

Safety extra low voltage
Sensor: Internal – NTC 47 k Ω

(type KTRVB-042.207 for external NTC 47 k Ω)
Setting Ranges: 5…30°C; 21° ± 8 K

(see equipment)
Proportional Band: 0.5…3 K (see equipment)
Degree of Protection: IP 30
Protection Class: III
General Equipment: Mechanical range reduction
Indicators (LED’s): With model KTRVB-042.206 only
Switch: See Equipment
Admissible Humidity: Max. 95% r.h., non-condensing
Storage Temperature: -20…+70°C
Safety and EMC: According to DIN EN 60730
Ambient Temperature: 0…50°C
Housing Colour: Pure white, similar to RAL 9010
Housing Material: Plastic (ABS)
Mounting/Installation: Surface-/wall-mounted
Weight: Approx. 130g
Electrical Connections: Terminal screws

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