Heating - Ventilating - Air Conditioning
Refrigeration and Process Control

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ALRE Electronic Climate Controllers KTRTB, KTRRB, KTRVB, KTRRU, KTRRUu

KTRTB Climate Controller with Triac Output, Surface Mounted

KTRTB-211.108 and 251.108 "Super Flat", Surface Mounted Installation (Air Conditioning Technology)

This controller, specifically designed for heating/cooling regulation of 2 pipe systems used in hotels, homes and offices, can control up to five valve actuators (normally closed).
Setting range 5 ... 30 degrees C. 230V

KTRRB Electronic Cooling Ceiling Controller, 24V- Surface Mounted Installation

KTRRB range (Air Conditioning Technolgy)

KTRRB-040.112 to 052.245. Surface mounted installation for the control of temperatures that exist at cooling ceilings and walls and/or in warm water heating. Up to 4 valve drives (24V- normally closed types) can be actuated per output.
Both the dew point sensor and the changeover sensor need to be ordered separately. Setting ranges from 5..30 degrees C.

KTRRB Electronic Cooling Ceiling Controllers, 230V-, Surface Mounted Installation

KTRRB range (Air Conditioning Technolgy)

KTRRB-117-128. Surface mounted installation for the control of climates in individual rooms. Device with neutral zone for the control of 2 or 4 pipe air conditioning systems.
Internal or external sensors need to be ordered separately. 230V- Setting ranges from 5..30 degrees C.

KTRVB Surface Mounted, Continuous Action

KTRVB-048.100 to 052.245 range electronic climate controllers, continuous action (Air Conditioning Technology)

Surface mounted installation room temperature controller for the permanent valve actuators. Controls 2 pipe systems (1 conduit), 4 pipe systems (2 conduits) amd mixing chambers.
Setting range 5...30 degrees C or 21 degrees C plus/minus 8 degrees C depending on model.

KTRRU Electronic Cooling Ceiling Controllers, Flush Mounted

KTRRU range (Air Conditioning Technology)

KTRRU-052.244#00 - 052.245#00 climate controllers with dew point signal input for flush mounted installation.
To control heating and cooling temperatures generated by 2- and 4- pipe systems in hotel and living rooms and business premises.

Dew point sensors and external temperature sensors are not included and should be ordered separately.

KTRRUu Electronic Cooling Controller, Flush Mounted with Timer

KTRRUu Electronic Cooling Controller (Air Conditioning Technology

KTRRUu-217.456 range of electronic cooling controllers. Flush mounted controller with timer function for heating/cooling regulation of 2 and 4 pipe systems used in hotels, homes and offices. Settings are configured in a menu.