TA-Smart Fail-safe

Application:

Heating and cooling systems.

Functions:

Electronic fail-safe function
Control (flow, power, position)
Pre-setting (max./min. flow, max. power, max./min. position)
ΔT and temperature return limitation
Reading (flow, power, energy, supply/return temperature, ΔT, position)
Change-over function
Manual override (via HyTune app)
Mode, status and position indication
Valve blockage protection
Valve clogging detection
Error safe position
Diagnostic
Logging
Delayed start-up

Fail-safe function:

Programmable actuator’s stem extended, retracted or intermediate position, flow or thermal power on power supply failure.

Dimensions:

DN 15-125

Pressure class:

DN 15-50: PN 25
DN 65-125: PN 16, PN 25

Differential pressure (ΔpV):

Max. differential pressure (ΔpVmax): 400 kPa = 4 bar
Closing pressure: 600 kPa = 6 bar

ΔpVmax = The maximum allowed pressure drop over the valve to fulfill all stated performances.

Flow range:

The flow ranges (qsetmin - qnom) for different dimensions:

DN 15: 160 - 1200 l/h
DN 20: 380 - 1900 l/h
DN 25: 540 - 2700 l/h
DN 32: 920 - 4600 l/h
DN 40: 1560 - 7800 l/h
DN 50: 2680 - 13400 l/h
DN 65: 5800 - 29000 l/h
DN 80: 8640 - 43200 l/h
DN 100: 14200 - 71000 l/h
DN 125: 22400 - 112000 l/h

Minimum controllable flows (qcontr.min) DN 15 0.33% of qnom, DN 20-125 0.5% of qnom.

qsetmin = Minimum settable flow.

qnom = Maximum settable flow.

Measurement accuracy:

Flow:
Water: From 2% accuracy at 100% of qnom to 2.4% accuracy at 5% of qnom (according MID-Class 2 EN1434).
Water+glycol: From 3% accuracy at 100% of qnom to 4% accuracy at 5% of qnom (according to MID-Class 3 EN1434).
(see “Flow accuracy”)
Temperature difference:
±0.1 K @ ΔT = 6 K (for cooling)
±0.15 K @ ΔT = 10 K (for heating)
±0.2 K @ ΔT = 20 K (for heating)

Flow control accuracy:

±5% from 4% to 100% of qnom
±10% from 0.5% to 4% of qnom

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)

Media:

Water or neutral fluids, water-glycol mixtures (0-57%).

Leakage rate:

DN 15-50: Leakage rate <0.01% of qnom 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)

Characteristics:

Settable: Stepless between EQM 0.25 and inverted EQM 0.25.

Supply voltage:

24 VAC/VDC ±15%.
Frequency 50/60 Hz ±3 Hz.

NOTE: 24 VAC/VDC power supply must be provided only with safety isolating transformer according to EN 61558-2-6.

Power consumption:

DN 15-50:
Peak: < 4.5 W (24 VDC); < 6.6 VA (24 VAC)
Operation: < 4.2 W (24 VDC); < 6 VA (24 VAC)
Standby: < 2.0 W (24 VDC); < 3.6 VA (24 VAC)
DN 65-80:
Peak: < 10.5 W (24 VDC); < 18.4 VA (24 VAC)
Operation: < 6.1 W (24 VDC); < 11 VA (24 VAC)
Standby: < 2.1 W (24 VDC); < 4.1 VA (24 VAC)
DN 100-125:
Peak: < 10.5 W (24 VDC); < 18.4 VA (24 VAC)
Operation: < 8 W (24 VDC); < 11.3 VA (24 VAC)
Standby: < 2.1 W (24 VDC); < 3.8 VA (24 VAC)
Peak consumption occurs for a short period after a power cut for recharging capacitors.

Input signal:

By BACnet/Modbus or Analog signal. Analog in VDC or mA, selectable by jumper in the SmartBox;
0(2)-10 VDC, Ri 47 kΩ.
Adjustable sensitivity 0.1-0.5 VDC.
0.33 Hz low pass filter.
0(4)-20 mA Ri 500 Ω.
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.
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.
Default setting: Proportional 0-10 VDC.

Output signal:

BACnet/Modbus
0(2)-10 VDC, max. 8 mA, min. 1.25 kΩ.

Fail-safe delay:

Adjustable between 0 and 10 seconds.
Default setting: 2 s

Pre-charging time:

DN 15-50: < 40 s
DN 65-80 < 60 s
DN 100-125 < 125 s

Wireless:

Bluetooth Low Energy (BLE)
Thread

Temperature sensor cable:

DN 15-50: 3 m halogen free
DN 65-125: 5 m halogen free
10 m halogen free cable on request.

Ingress protection:

IP54

(according to EN 60529)

Protection class:

(according to EN 61140)

III (SELV)

Material:

DN 15-50:
Valve body: AMETAL®
Valve insert: AMETAL®
Valve plug: AMETAL® and PTFE
Spindle: Stainless steel
Spindle seal: EPDM O-ring
Internal plastic parts: PPS
Springs: Stainless steel
O-rings: EPDM

Temperature housing: AMETAL®.

DN 65-125:
Valve body: Ductile iron EN-GJS-400-15
Valve insert: Ductile iron EN-GJS-400-15 and brass
Valve plug: Stainless steel and EPDM O-ring
Valve seat: Stainless steel
Spindle: Stainless steel
Spindle seal: EPDM
Springs: Stainless steel
O-rings: EPDM

SmartBox (DN 15-125):
Cover: PC/ABS, red.
Housing: PC/ABS, TPE.

Actuators:
DN 15-50:
Cover: PC/ABS GF8, white RAL 9016, grey RAL 7047.
Housing: PA GF40.
Swivelling nut: Nickel-plated brass.
DN 65-125:
Cover: PBT, orange RAL 2011, grey RAL 7043.
Bracket: Alu EN44200

Cables: Halogen free

AMETAL® is the dezincification resistant alloy of IMI Hydronic Engineering.

Surface treatment:

DN 15-50: Non treated
DN 65-125: Electrophoretic painting

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.

Certifications and directives:

EMC-D. 2014/30/EU: EN 60730-1, -2-14.
Product standards EN 60730-x.
PED: 2014/68/EU