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V3IS00653-010
Dimensions
User Manual
TEMPERATURE CONTROL RELAY
Read all instructions carefully
■ DIN rail mounting electronic device for temperature regulation in heating and suitable for
installations with overvoltage category III and pollution degree 2, according to EN 60730
standard.
SAFETY WARNINGS
During product installation and operation it is necessary to observe the following
instructions:
1) The instrument must be installed by a qualified person, in strict compliance with the
connection diagrams.
2) Do not power or connect the instrument if any part of it is damaged.
3) After installation, inaccessibility to the connection terminals without appropriate tools
must be granted.
4) The instrument must be installed and activated in compliance with current electric
systems standards
5) Before accessing the connection terminals, verify that the leads are not live.
6) In the electrical system of the building where the instrument must be installed, a switch
and a protection device from the overcurrents must be present.
Code Model Description
VE447900 TCR Electronic thermostat 2 DIN with remote probe
TECHNICAL SPECIFICATIONS
• Power supply:
230Vac (-10% ÷ +10%) 50/60Hz
•
Absorption: max 4 VA
• Terminals for max 6 mm
2 cable section
• Output: normally open relay 16 (2)A / 230V (1B type actions)
• Type of regulation: ON/OFF with differential of 0,2°C (fixed)
• Precision: ± 1°C
• Temperature regulation range: 8°C ÷ 26°C
• Operating temperature: -10°C ÷ +55°C
• Storage temperature: -20°C ÷ +60°C
• Relative humidity: 15÷95% non-condensing
• Degree of protection: IP20
• Insulation: reinforced among accessible parts (frontal) and all other terminals
• NTC probe (10kΩ at 25°C) remotable up to a maximum distance of 100 meters
• Maximum wire size for connecting to the probe: 2.5 mm
2
AVAILABLE PROBES
Wall mounting For immersion For pipes
Included cod. VE152500 cod. VE124400
80
80
25,5
INSTALLATION
• TCR must be installed at a height of about 150 cm from the floor, on inner walls, protected
from direct solar radiations and from any heat source (like lamps, heating pipes), away
from positions with total lack of air inlet, niches, corners, doors, windows and not behind
curtains.
• Connect power supply, probe, relay output contacts and any clean contacts as shown in the
box “wiring diagrams”.
OPERATION
• The selection of operating mode (comfort, economy and antifreeze) occurs via through free
of voltage contacts
• The setpoint of comfort and economy modes are set by trimmer while the antifreeze
setpoint is fixed at 5°C
• The operation of the relay output is indicated by the switching on of the LED ➁ “Output
Status”
The box “operating modes” shows the characteristics of each mode.
Signaling probe error
In case of error of the probe the relay contact (terminals 3-4) is still open and flashes the
led ➁ “output status”. It happens in the following cases:
- open probe or short circuit;
- out-of-range-temperature- values (inferior to -15° or superior to +60°):
In case of out-of-range- measurement the recovery automatically happens when the
temperature returns again the operating range.
REFERENCE STANDARDS
Compliance with Community Directives: and 2006/95/EC 2004/108/EC
is declared with reference to the following Harmonized Standards: EN 60730-2-9
Mod. TCR
36 60
45
65
88
Wiring diagrams
Description
Operating modes
31 2 4
8765
COM
PROBE
IN
IN
Out
e
➀ Led “power supply”
➁ Led “status output”
➂ Led “economy mode contact status”
➃ Led “antifreeze mode contact status”
➄ Trimmer to set “setpoint comfort”
➅ Trimmer to set “reduction for economy mode”
Comfort mode Economy mode Antifreeze mode
Input “Economy”
(terminals 6-7) indifferent
Input “Antifreeze”
(terminals 5-7)
Led Eco indifferent
Led Antifreeze
Setpoint T Tcomfort comfort eco 5°C– T *
(*) Note: the setpoint value can not be inferior to 8°C,
even though T − T < 8°C comfort eco
(for example: if T is 12°C and T 6°C the set point will be not 6°C but 8°C).comfort eco
Produktspecifikationer
| Varumärke: | Vemer |
| Kategori: | Inte kategoriserad |
| Modell: | TCR |
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