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HR-1DA
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- 27 -
User Manual Regulators
English
Contents
■ Safety warnings Page 28
■ Technical specifications Page 28
■ Description of instrument Page 31
■ Electrical connections Page 31
■ Glossary Page 32
■ Operation Page 37
■ Setting the regulation parameters Page 37
■ Parameter menu Page 39
■ Error messages Page 46
■ Reference standards Page 47
■ Dimensions and connection diagrams, 33x75 mm Page 48-49
■ Dimensions and connection diagrams, 72x72 mm Page 50
■ Dimensions and connection diagrams, 4-DIN Page 51
- 28 -
User Manual Regulators
English
■ During the installation and operation of the instrument, follow the
instructions set out below:
1) The instrument should be installed by a skilled operator.
2) Strictly follow the connection diagrams when installing the instrument.
3) Do not power or connect the instrument if any part of it is damaged.
4) Before touching the terminals, make sure the wires to be connected to
the instrument are not live.
5) The connection cables should be able to resist the maximum operating
temperature (Tmax), obtained from the sum of the maximum ambient
temperature (Ta) + a temperature of 20 °C (Tmax= Ta + 20 °C).
6) The instruments guarantee a main insulation between the low voltage
(250 V) and very low voltage parts.
7) Any outside switches connected to the controls should guarantee a
minimum insulation at operating temperature of 250 V AC, or should be
protected by equivalent insulation.
8) Contacts: all type 1C (CEI 107-70 and variants).
9) The instruments require no maintenance.
■ Series of digital regulators used for the most simple requirements in the control
and regulation of humidity and pressure levels in air conditioning, heating
and refrigeration systems
■ Two dedicated base models for pressure and humidity control:
- DIGITAL HUMIDITY REGULATORS HR
- DIGITAL PRESSURE REGULATORS PR
■ Each single model has 1 probe input for the connection of active sensors
with standardised 0÷20 mA, 4÷20 mA and 0÷1 V outputs
■ The power supply to the active probe (linear sensor) comes directly from
the instrument: 9 V DC available
•For each single model, the probe input can be configured from the keyboard
• Available in versions with 1 or 2 relay outputs with contact in exchange
• Regulators with 3 digit, seven segment and decimal point display
• Relay intervention warning lamp
• Display range: -99 ÷ +999
• Display resolution: 0.1 RH or bar (-9.9 ÷ +99.9 RH or bar)
and 1 RH or bar (< -9.9 °C and > +99.9 RH or bar)
• Precision: ±0.5 % of the end of scale value ±1 digit
(at an ambient temperature of 23 °C)
• Sampling time: 0.5s
TECHNICAL SPECIFICATIONS
SAFETY WARNINGS
Produktspecifikationer
| Varumärke: | Vemer |
| Kategori: | ej kategoriserat |
| Modell: | HR-1DA |
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