SERIES-3000 VU52, VU53, VU54; VU442, VU443, VU444; VU842, VU843, VU844 FAN COIL VALVES AND ACTUATORS
95C-10885—01 2
SPECIFICATIONS
a
230V~50Hz/240V~60Hz and 277V~60Hz available on request, Class A, zinc-plated motor only. Contact factory.
b
Contact factory for availability
Maximum Ambient @ Fluid Temperature Rating:
High close-off actuators (with class A motor):
104°F(40°C) ambient @ 200°F(94°C) fluid.
Standard actuators (with class F motor)
130°F(54 C) ambient @ 249°F(120 C) fluid or low pres-
sure steam without superheat.
Minimum Ambient Temperature:
34°F(1°C)
Shipping and Storage Temperature:
-40°F to 150°F (-40 to +65 C)
Atmosphere:
Non-corrosive, non explosive.
Noise Rating:
Low Noise: less than 40 dBA.
Materials:
Case: 316 stainless steel.
Cover: aluminum.
Sector gear: stamped brass
Motor: zinc-plated; nickel-plating available for high
humidity chilled water applications.
Dimensions:
See Fig. 1.
a
Maximum pressure drop across open valve seat, or between coil and bypass for water service
b
For example: 3-way valve with NPT pipe fittings is VU54N…
c
5/8-in. flare end and 3.5 Cv only. Inverted flare nut and tailpiece sold separately.
Table 1. Series-3000 VU fan-coil valve actuator models
Model Type
Use
With
Electrical Ratings Timing, sec.
Temperature
Rating
Auxiliary
Switch CommentsVoltage Current Power Connections Open Close
VU442 2-way Normally
Open
VU52
120V~60Hz
a
0.07 A 5W @
60Hz;
6W @
50Hz
6 in (15 mm)
motor leads
standard.
---
18 in (45 mm)
leadwires
available
b
4 s 12 s Class F SPST,
1A or 5A
inductive
available
b
Nickel-plated
motor
VU842A
24V~50/60Hz
0.32A
VU443A
Normally
Closed
VU53
120V~60Hz
a
0.07 A 12 s 4 s --
VU843A
24V~50/60Hz
0.32A --
VU843B
6 s Class A High close-off
VU444A
3-way Mixing /
Diverting
VU54
120V~60Hz
a
0.07 A 4 s Class F Nickel-plated
motor available
VU844A
24V~50/60Hz
0.32A
Table 2. Series-3000 VU fan-coil valve models.
Model
Model Suffix
b
Pipe Size Flow Capacity,
Maximum Differential
Pressure,
a
Inverted
Flare
c
Female
NPT Sweat in. S.I.
in Cv (kvs)
in psi (kPa)
VU52
...
2-way
Normally
Open
N/A ...N ...S 1/2 DN15 1.0 (0.9) 50 (345)
2.4 (2.1) 30 (207)
…F 3.5 (3.0) 20 (138)
and N/A 3/4 DN20
VU53
…
2-way
Normally
Closed
5.0 (4.3) 14 (97)
8.0 (6.9) 10 (69)
1 DN25
VU54
…
3-way
Mixing/Di
verting
N/A ...N ...S 1/2 DN15 1.5 (1.3) 28 (193)
3.0 (2.6)
…F 4.0 (3.4) 20 (138)
N/A 3/4 DN20 7.0 (6.0) 12 (83)
1 DN25