TA-Smart Fail-safe – NPT threads/ANSI flanges

Application:

Heating (not steam) 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:

1/2" – 5"

Pressure class:

1/2" - 2": PN 25 (362 psi)
2 1/2" - 5": Class 150

Differential pressure (ΔpV):

Max. differential pressure (ΔpVmax): 58 psi
Closing pressure: 87 psi

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

Flow range:

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

1/2": 0.70 - 5.28 gpm
3/4": 1.67 - 8.37 gpm
1": 2.38 - 11.89 gpm
1 1/4": 4.05 - 20.2 gpm
1 1/2": 6.86 - 34.3 gpm
2": 11.8 - 59.0 gpm
2 1/2": 25.5 - 128 gpm
3": 38.0 - 190 gpm
4": 62.5 - 312 gpm
5": 98.6 - 493 gpm

Minimum controllable flows (qcontr.min) size 1/2" 0.33% of qnom, sizes 3/4" - 5" 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: 230°F
Min. working temperature: 14°F
Operating environment: 32°F to 122°F (5-95%RH, non-condensing)
Storage environment: -4°F to 158°F (5-95%RH, non-condensing)

Media:

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

Leakage rate:

1/2" - 2": Leakage rate <0.01% of qnom with correct flow direction (Class IV according to EN 60534-4)
2 1/2" - 5": 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:

1/2" - 2":
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)
2 1/2" - 3":
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)
4" - 5":
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:

1/2" - 2": < 40 s
2 1/2 - 3" < 60 s
4" - 5" < 125 s

Wireless:

Bluetooth Low Energy (BLE)
Thread

Temperature sensor cable:

1/2" - 2": 9.8 ft halogen free
2 1/2" - 5": 16.4 ft halogen free
32.8 ft. halogen free cable on request.

Ingress protection:

IP54

(according to EN 60529)

Protection class:

(according to EN 61140)

III (SELV)

Material:

Sizes 1/2" - 2":
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®.

Sizes 2 1/2" - 5":
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 (1/2" - 5"):
Cover: PC/ABS, red.
Housing: PC/ABS, TPE.

Actuators:
Sizes 1/2" - 2":
Cover: PC/ABS GF8, white RAL 9016, grey RAL 7047.
Housing: PA GF40.
Swivelling nut: Nickel-plated brass.
Sizes 2 1/2" - 5":
Cover: PBT, orange RAL 2011, grey RAL 7043.
Bracket: Alu EN44200

Wires: Halogen free

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

Surface treatment:

1/2" - 2": Non treated
2 1/2" - 5": Electrophoretic painting

Pipe connection:

1/2" - 2": External thread according to ISO 228. Connections (accessories) with internal NPT according to ANSI/ASME B1.20.1-1983, or for soldering according to ASME/ANSI B16.18.
2 1/2" - 5": Flanges according to ASME 7 ANSI B16.42 Class 150.

Certifications and directives:

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