Two-phase frost protection thermostats THERMASREG® FS20-UW 3m LCD

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€274.30
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Electronic THERMASREG® FS-20 frost protection thermostat or frost monitor with switching relay output, continuous temperature and valve output (summation output 0–10 V) and control and cascading output (0–10 V), optionally with connection for a heating element, in an impact resistant plastic housing with quick-locking screws, with display by default and a fully active sensor rod made of copper.

The frost monitor is used to monitor air conditioning systems, heat exchangers, heating registers and similar systems, and protects against frost damage and freezing. Limit value underrun is detected at the coldest measuring point of the capillary tube. The sensor rod is active along its entire length. 

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Voltage supply

24 V AC/ DC (± 10 %)

Load resistance

RL > 50 kOhm

Switch-on start-up time

< 1 min

Response time

t90 < 5 s

Input

1 x 0 -10 V control input DDC

1 x 0 -10 V ascading input

Measuring range

0...+15 °C

Accuracy

typically ± 1 K (at +10 °C)

Process connection

by mounting clamps MK- 05 - K

(included in the scope of delivery)

Electrical connection

0.14 - 1.5 mm² via terminal screws

Output

1 x 0 -10 V output temperature (corresponding to 0...+15 °C)

1 x 0 -10 V output valve

(frost signal with control voltage and cascading)

1 x potential-free changeover contact (24 V),

range of adjustment 0...+15 °C

Housing dimensions

126 x 90 x 50 mm (Tyr 2)

Current consumption

max. 100 mA at 24 V DC

Cable gland

M 16 x 1.5, including strain relief, exchangeable,

max. inner diameter 10.4 mm

Ambient temperatures

Sensor and capillary tube: –20...+60 °C

(capillary tube at a distance of > 20 cm from the housing)

Housing: –15...+50 °C

Storage/ transport: –30...+70 °C

Hysteresis of switching step

2K

Permissible air humidity

< 95 % r. H., non-precipitating air

Housing

plastic, UV-stabilised,

material polyamide, 30 % glass-globe reinforced,

with quick-locking screws

(slotted/ Phillips head - combination),

colour traffic white (similar to RAL 9016),

housing cover for display is transparent !

Protection class

III (according to EN 60 730)

Protection type

IP 65 (according to EN 60 529)*

Sensor and capillary

Copper sensor rod, length of 3 m or 6 m,

active along the entire sensor length,

min. response length of 25 cm

Standards

CE conformity,

electromagnetic compatibility according to EN 61326,

according to EMC Directive 2014/ 30/ EU

Features

display with illumination, three-line, cutout approx. 70 x 40 mm

(W x H), for displaying the actual temperature, measuring

range overrange/underrange of the set switch point (frost

protection temperature), and alarm indicator for "frost" or

"error" (capillary breakage, overvoltage/undervoltage)

1102-1012-2102-030

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