PRODUCT CATALOGUE 2024 | alre.de

AIR CONDITIONING TECHNOLOGY

CONTINUOUS ELECTRONIC CLIMATE CONTROLLER, KTRVB SURFACE-MOUNTED INSTALLATION – DESIGN BERLIN 2000

TECHNICAL DATA

APPLICATION

Design:

Berlin 2000

Room temperature controller for continuous control of valve actuators. Controller for 2-pipe systems (1-duct), 4-pipe systems (2-duct) and mixing chambers.

Surface finish: Housing colour: Housing material:

matt

pure white, similar to RAL 9010

ABS plastic

Storage temperature: Operating voltage: Permissible atmospheric humidity: Electrical connection: Mounting / attachment:

−20 to +70 °C

24 VDC, 24 VAC, 50 Hz max. 95% rel. humidity, non-condensing screw-type terminals surface / wall mounting

Protection rating: Protection class: Safety and EMC: Switching element: General features:

IP30

Maßs Blatt A

III

according to DIN EN 60730

electronic with analogue output signal climate controller for individual room control with proportionally controlled valve; mechanical range restriction; external setting

KTRVB-048.100

TYPE / IMAGE

ITEM NO.

FEATURES

CIRCUIT DIAGRAM

EURO / PG

Maßs Blatt

KTRVB-048.100

General features: scale: degrees Celsius Ambient temperature: 0 to 50 °C Output signal: consistently 0 to 10 V or 10 to 0 V (can be switched using a jumper), max. 5 mA Sensor: NTC internal Control function: heating or cooling with adjustable p-band, aligned to 5 V at setpoint temperature Control range: 5 to 30 °C Hysteresis: 0 K, since control is always via the p-band in the

DA450000

103.90 / I

~ 24V

COM, GND,

1 2 4 3

KTRVB-048.200

range from +0.5 K to 3 K (adjustable) Pipe system compatibility: 2-pipe

KTRVB-048.200

General features: relative scale Ambient temperature: 0 to 50 °C Output signal: consistently 0 to 10 V or +10 to 0 V (can be switched using a jumper), max. 5 mA5 Sensor: NTC internal Control function: heating or cooling with adjustable p-band, aligned to 5 V at setpoint temperature Control range: 13 to 29 °C Setting range: −3 to +3 K (the pre-set ‘zero point’ of approx. 21 °C can be adjusted in the machine by + / − 5 K) Hysteresis: 0 K, since control is always via the p-band in the

DA450100

111.60 / I

~ 24V

COM, GND,

3

1 2

4

range from +0.5 K to 3 K (adjustable) Pipe system compatibility: 2-pipe

139

Catalogue 2024

Prices valid from 01.01.2024 - 31.12.2024, prices may be subject to change | V1

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