AIR CONDITIONING TECHNOLOGY
CLIMATE CONTROLLER OVERVIEW
KTRTB-
KTBSB-
KTRRB-
KTRRU- KTRRUu
KTRVB-
TYPE
PAGE
117 117 118 118 118 120 120 120 122 123 125 129 131 135 135 136 136
HOUSING DESIGN Berlin 1000
x
x
Berlin 2000 Berlin 3000
x
x
x
x
x
x
x
x
x
x
x
x
Berlin flush-mounted kit
x
x
x
SENSOR Bimetal (toggler)
x
x
x
NTC, internal NTC, external
x
x
x x
x x
x x
x x
x x
x x
x x
x x
x
x
x x
x x
Floor monitor (NTC) Dew point sensor (external)
x
x
x
x
x
x
x
CONTROL TYPE Climate controller
x
x
Climate controller (0–10 V)
x
x x x
x x x
x
x
x
x
Climate controller with fan output Climate controller with neutral zone Climate controller with neutral zone and fan output Mixing chamber controller (0–10 V)
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
PIPE SYSTEM Air conditioning controller as a 2-pipe system Air conditioning controller as a 4-pipe system
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
APPLICATION EXAMPLES Hot water floor heating
x
x
x
x
x
x
x
x
x
Fan coil
x x x
x
x x x
x x x
x
Air distribution systems Partial air conditioner
x x
x x
x
x
x
x x
x x
x x
x x
x x
x x
x x
x x
x x
Cooling ceiling
Heat pump AC split unit
x x
FEATURES ‘ECO’ input
x
x
x
x
x
x
x
x
x
x
x
x
Input ‘changeover – heating / cooling’
x
x
x
x
x
x
x
x
x
‘Off with frost protection monitoring’ input
x
x
x
x
x
x
x
Switch ‘on / off’
x
x
x
Switch ‘on / off with frost protection monitoring’ Switch ‘heating / cooling’ Switch ‘heating / ventilation / cooling’
x
x
x
x
Switch ‘ECO / comfort / off with frost protection monitoring’
x
x
x
Switch ‘fan’
x
x x
x x
x
x
Indicator lamp ‘ON / OFF’
Indicator lamp ‘heating mode’ Indicator lamp ‘heating’
x x
x x
x x
x x
x x
x x
x x
x x
x x
x x
Indicator lamp ‘cooling’
Indicator lamp ‘heating / cooling’ Indicator lamp ‘cooling interruption due to condensate’
x
x
x
x
x
MISCELLANEOUS 230 V~
x
x
x
x
x
x
x
x
24 V~
x
x
x
x
x
x
x
x
x
116
Catalogue 2025
Prices valid from 01.01.2025 – 31.12.2025, prices may be subject to change | V1
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