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
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
TYPE / IMAGE
ITEM NO.
FEATURES
CIRCUIT DIAGRAM
EURO / PG
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
100.00 / I
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
107.40 / I
range from +0.5 K to 3 K (adjustable) Pipe system compatibility: 2-pipe
157
Catalogue 2023
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