TA-Smart Fail-safe
2-way control valve with uniquely shaped EQM characteristics with flow, temperature, power measurement capabilities and electronic fail-safe function
The ultrasonic flow measurement technology combined with unique actuation algorithms capabilities provide best-in-class control performances. The TA-Smart Fail-safe controls can be set to flow or power, giving high on-site flexibility and providing highly effective comfort in heating and cooling applications. Its compact arrangement and simple set-up reduces installation and commissioning time.
Features and Benefits
Applications
Heating and cooling systems.
Functions
Control (flow, power, position)
Pre-setting (max./min. flow, max. power, max./min. position)
Reading (flow, power, energy, supply/return temperature, ΔT, position)
Change-over
Delayed start-up
ΔT and temperature return limitation
Diagnostic/Logging
Electronic fail-safe function
Error safe position
Manual override
Mode, status and position indication
Valve blockage protection
Valve clogging detection
Supply voltage [V]
24 VAC/VDC ±15%. Frequency 50/60 Hz ±3 Hz
Ingress protection
IP54 (according to EN 60529)
Media
Water or neutral fluids, water-glycol mixtures (0-57%).
Wireless
Thread
Bluetooth Low Energy (BLE)
Temperature
Max. working temperature: 110°C
Min. working temperature: -10°C
Operating environment: 0°C – +50°C (5-95%RH, non-condensing)
Storage environment: -20°C – +70°C (5-95%RH, non-condensing)
Input signal
By BACnet/Modbus or Analog signal. Analog in VDC or mA, selectable by jumper in the SmartBox;
Proportional dual-range (for change-over): 0-4.5 / 5.5-10 VDC. 2-5.5 / 6.5-10 VDC. 0-3.3 / 6.7-10 VDC. 2-4.7 / 7.3-10 VDC. 0-9 / 11-20 mA. 4-11 / 13-20 mA.
0(2)-10 VDC, Ri 47 kΩ.
0(4)-20 mA R i 500 Ω.
Adjustable sensitivity 0.1-0.5 VDC; 0.33 Hz low pass filter.
Default setting: Proportional 0-10 VDC
Proportional: 0-10, 10-0, 2-10 or 10-2 VDC; 0-20, 20-0, 4-20 or 20-4 mA
Proportional split-range: 0-5, 5-0, 5-10 or 10-5 VDC; 0-4.5, 4.5-0, 5.5-10 or 10-5.5 VDC; 2-6, 6-2, 6-10 or 10-6 VDC; 0-10, 10-0, 10-20 or 20-10 mA; 4-12, 12-4, 12-20 or 20-12 mA
Leakage rate
DN 15-50: Leakage rate < 0.01% of q, nom with correct flow direction (Class IV according to EN 60534-4)
DN 65-125: Tight sealing with correct flow direction (Class V according to EN 60534-4)
Output signal
0(2)-10 VDC, max. 8 mA, min. 1.25 kΩ.
BACnet/Modbus
Pressure class [PN]
DN 15-50: PN 25
DN 65-125: PN 25 / PN 16
Characteristics
Settable: Stepless between EQM 0.25 and inverted EQM 0.25.
Pipe connection
DN 15-50: External thread according to ISO 228.
DN 65-125: Flanges according to EN-1092-2, type 21. Face to face length according to EN 558, series 1.
Protection class
(according to EN 61140)
Surface treatment
DN 15-50: Non treated
DN 65-125: Electrophoretic painting
Flow control accuracy
±10% from 0.5% to 4% of qnom
±5% from 4% to 100% of qnom
Temperature sensor cable
10 m halogen free cable on request.
DN 15-50: 3 m halogen free
DN 65-125: 5 m halogen free
Certifications and directives
EMC-D. 2014/30/EU: EN 60730-1, -2-14.
PED: 2014/68/EU
Product standards EN 60730-x.
Select product application
Air Conditioning Units
District Energy
Hydronic Control
Select product requirements
Airhandling units
Balancing and Control
Small terminal units
Standard Control
Temperature control
Tools for balancing and diagnostics
Product branding
imi_ta
KVS
190.0000 CUBIC_METER_PER_HOUR
Material
Flow range
Power consumption
Measurement accuracy
Differential pressure (ΔpV)
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