HEATING TECHNOLOGY
ELECTRONIC FLOOR TEMPERATURE CONTROLLER WITH REMOTE SENSOR (FOR FLOOR HEATING/WALL AND CEILING HEATING) FETR / RTERU FLUSH-MOUNTED INSTALLATION – DESIGN BERLIN FLUSH-MOUNTED
TECHNICAL DATA
APPLICATION
Design:
Berlin flush-mounted PC plastic (FETR) PA6 plastic (RTERU)
Temperature control (e.g.., of electrical heating systems) for floor, fringe zone, bathroom, ceiling, tiled stove, marble and wall heating systems or tempering systems, direct floor heating systems. Reduction: With these flush-mounted controllers, the temperature can be reduced by 5 K. For this purpose, potential is applied to the clock input terminal by an external pilot controller or an external timer L1. Note: The sensor line must be routed in a protective pipe. Parallel routing to- gether with lines that carry alternating currents is not admissible. The 55 x 55 mm variants visually fit perfectly without an insert frame in many switch ranges of 55 x 55 mm.
Housing material:
Operating voltage: Storage temperature: Permissible atmospheric humidity: Electrical connection:
230 V AC, 50 Hz −20 to +70 °C
Max. 95% rel. humidity, non-condensing screw-type terminals (FETR) pluggable screw terminals
Mounting / attachment:
In flush-mounted socket – with suitable cover set, can be adapted to fit virtually any switch range (deep flush-mounted socket recommended)
Protection rating: Protection class: Safety and EMC:
IP30
II, if properly mounted
according to DIN EN 60730
Max. switching voltage: Min. switching voltage:
230 V AC, 50 Hz 230 V AC, 50 Hz
Switching element: Switching contact:
relay
NO contact
Using an insert frame, the 50 x 50 mm variants fit in almost all switch ranges.
Output signal:
switching (230 VAC, 50 Hz)
Sensor:
external or internal / external (monitors)
Sensor type (external):
HF-8 / 4-K2
See page for an overview of currently possible combinations and insert frames page 103.
Sensor rupture and short-circuit protection: Sensor wire extendible up to:
heating is switched off
50 m with min. 0.5 mm² double-insu - lated
Control function:
heating
Hysteresis:
< 1 K (FETR) 1.5 K (RTERU)
General features:
ECO function; ‘reduction’ display (FETR); ‘heating’ display
Input ‘temperature reduction’:
approx. 5 K (230 VAC, 50 Hz)
TYPE / IMAGE
ITEM NO.
FEATURES
CIRCUIT DIAGRAM
EURO / PG
RTERU-010.715#00
General features: floor temperature controller; mechanical range limitation; on / off switch; external setting; protective cap; contact hazard protection cover plate; Multi-digit display *– 6
UN110100
99.60 / I
N L
230 V~50 Hz
Last/load max 2,3 kW
0 1
L H
Electronics
F F
ext. Sensor
Ambient temperature: 0 to 35 °C Max. switching current: 10 (1.5) A
N
Switching power: 2300 W Control range: 10 to 50 °C Scope of delivery: controller, remote sensor 4 m
Cover sets are offered in various designs (see the separate overview, ‘alre flush-mounted range (cover sets)’) and are not included in the delivery. Suitable set no: JZ-035.xxx, e.g.: 50 x 50 mm cover set, pure white, glossy: JZ-035.000 55 x 55 mm cover set, pure white, gloss: JZ-035.100
RTERU-010.715#21
UN110109 Similar to RTERU-101.715#00 but scope of delivery as follows: controller, 4 m remote sensor, alre frame ‘Berlin’ (neutral), 50 x 50 mm cover, pure white (similar to RAL 9010), glossy
125.60 / I
100
Catalogue 2025
Prices valid from 01.01.2025 – 31.12.2025, prices may be subject to change | V1
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