Siemens VVG44.15-0.4S Owner's manual

Siemens Industry, Inc.
VE VVG Series
Technical Instructions
Document No. 155-112P25
VE VVG-1
Rev. 3 August, 2002
Electronic Two
-
way Valves
Normally Closed
Description The VE VVG electronic two-way valves control the flow of water or glycol solutions. The
electronic actuator requires a 24 Vac supply and receives a 0 to 10 Vdc control signal
to control the 7/32-inch (5.5 mm) nominal stroke valve.
Features •Maintenance free actuator with reversible motor.
•Selector plug on actuator permits selection of linear or equal percentage flow
characteristics.
•Reduced seat diameter produces reduced Cv(Kvs) in 1/2-inch valve bodies.
•0 to 10 Vdc or 0 to 1000 ohms signal input.
•Position output signal 0 to 10 Vdc.
•Available with union or sweat end connections (1/2-inch and 3/4-inch).
•Double O-ring packing with Teflon® wiper.
•Manual override knob with indication of stroke allows for repositioning of the valve
in power-off conditions (SQS65U only).
•Spring return closes flow port in power-off condition (SQS65.5U only).
Application Use the VE VVG as a control and shutoff valve in small to medium HVAC installations
for hot water and chilled water applications. Use in closed circuits only.
NOTE: This valve is not designed for steam applications. See valve body
specifications for details.
Product Numbers
and Ordering
Information
Order the valve and actuator separately. See Table 1 for product information.

VE VVG Electronic Two-way Valves Technical Instructions
Document Number 155-112P25
Rev. 3 August, 2002
Page 2 Siemens Industry, Inc.
Product Numbers
and Ordering
Information,
Continued Table 1. Product Information.
Nominal
Valve Size
Inches
(mm)
Cv(Kvs)Valve Product Number Actuator Product Number Spring & Non-Spring Return
Union Sweat Non-
Spring
Return
Spring Return Range-
Ability Close-Off psig (kPa) Max ∆P *
psig (kPa)
1/2 (15) 0.47 (0.4) VVG44.15-0.4U VVG44.15-0.4S SQS65U SQS65.5U 50 232 (1600) 58 (400)
1/2 (15) 1.17 (1) VVG44.15-1U VVG44.15-1S SQS65U SQS65.5U 50 123 (850) 58 (400)
1/2 (15) 1.87 (1.6) VVG44.15-1.6U VVG44.15-1.6S SQS65U SQS65.5U 100 123 (850) 58 (400)
1/2 (15) 2.92 (2.5) VVG44.15-2.5U VVG44.15-2.5S SQS65U SQS65.5U 100 58 (400) 58 (400)
1/2 (15) 4.68 (4) VVG44.15-4U VVG44.15-4S SQS65U SQS65.5U 100 58 (400) 58 (400)
3/4 (20) 7.37 (6.3) VVG44.20-6.3U VVG44.20-6.3S SQS65U SQS65.5U 100 116 (800) 58 (400)
1(25) 11.7 (10) VVG44.25-10U - - - SQS65U SQS65.5U 100 585 (400) 43.5 (300)
1-1/4 (32) 18.7 (16) VVG44.32-16U - - - SQS65U SQS65.5U 100 32 (225) 29 (200)
1-1/2 (40) 29 (25) VVG44.40-25U - - - SQS65U SQS65.5U 100 14.5 (100) 14.5 (100)
Max ∆P * = Maximum recommended differential pressure for modulating service.
Specifications
Actuator
Power Requirements
Operating Voltage
60 Hz 24 Vac, +20%, -15%
50 Hz 24 Vac, ±20%
Power Consumption
SQS65U 4.5 VA
SQS65.5U 7 VA
Functional Operation Running Time
At 60 Hz 30 seconds
At 50 Hz 35 seconds
Spring Return (SQS65.5U only) ≈8 seconds
Nominal Stroke 7/32-inch (5.5 mm)
Nominal Force 67 lbs. (300 N)
Control Characteristics Control Signal (Y)
Voltage 0 to 10 Vdc
Current 0.1 mA
Input Impedance 100K ohms
Control Signal (R)
Resistance 0 to 1000 ohms
Position Output (U)
Voltage 0 to 10 Vdc
Current 0.5 mA maximum
Flow Characteristic Linear or equal percentage
Environmental Conditions Ambient Temperature
Operating 5°F to 122°F (-15°C to 50°C)
Transport and storage -13°F to 149°F (-25°C to 65°C)
Physical Characteristics Weight
SQS65U 1.1 lbs. (0.5 kg)
SQS65.5U 1.3 lbs. (0.6 kg)
Dimensions See Figure 6

VE VVG Electronic Two-way Valves Technical Instructions
Document Number 155-112P25
Rev. 3 August, 2002
Siemens Industry, Inc. Page 3
Specifications,
Continued
Valve
Composition
Body Style Globe
Body Bronze
Connections Union with brass nut, composite
gasket, forged bronze tail piece with
internal NPT
or
Sweat end for use in 7/8-inch
ODcopper tubing
Trim
1/2-inch and 3/4-inch Stainless Steel
1-inch to 1-1/2 inch Bronze
Packing Double O-ring
Body Rating ANSI 125 (PN 16)
Operating Conditions Line Size/Capacity See Tables 1 and 2
MediumWater, glycol to 50%
Rangeability See Table 1
Flow Characteristics II to I Field selectable. See Start-up section.
Leakage Rate 0.02% of Cv
Medium Temperature 36 to 248°F (2 to 120°C)
Maximum Inlet Pressure 232 psig (1600 kPa)
Maximum Pressure Differential for
Modulating Service See Table 1
Close-Off Pressure See Table 1
Agency Approvals UL UL873
C-UL Certified to Canadian
Standards
CSA C22.2 No. 24-93
Physical Characteristics Weight See Figure 6
Dimensions See Figure 6
Table 2. Maximum Water Capacity — US Gallons per Minute.
Valve Pressure Differential (psi)
Cv 1Kvs 2 4 6 8 10 15 20 25 30 40 50
1/2 (15) 0.47 (0.4) 0.66 0.94 1.15 1.32 1.48 1.81 2.09 12.34 2.56 2.96 3.31
1/2 (15) 1.17 (1.0) 1.65 2.34 2.87 3.31 3.70 4.53 5.23 5.85 6.41 7.40 8.27
1/2 (15) 1.87 (1.6) 2.65 3.74 4.59 5.29 5.92 7.25 8.37 9.36 10.25 11.84 13.24
1/2 (15) 2.92 (2.5) 4.14 5.85 7.16 8.27 9.25 11.33 13.08 14.63 16.02 18.50 20.68
1/2 (15) 4.68 (4.0) 6.62 9.36 11.46 13.24 14.80 18.13 20.93 23.40 25.63 29.60 33.09
3/4 (20) 7.37 (6.3) 10.42 14.74 18.06 20.85 23.31 28.55 32.96 36.86 40.37 46.62 —
1 (25) 11.7 (10) 16.55 23.40 28.66 33.09 37.0 45.31 52.32 58.5 64.08 — —
1-1/4 (32) 18.7 (16) 26.47 37.44 45.85 52.95 59.2 72.5 — — — — —
1-1/2 (40) 29 (25) 41 58 71 82 91 112 — — — — —

VE VVG Electronic Two-way Valves Technical Instructions
Document Number 155-112P25
Rev. 3 August, 2002
Page 4 Siemens Industry, Inc.
Warning/Caution Notations
WARNING: Personal injury or loss of life may occur if you do not perform
a procedure as specified.
CAUTION: Equipment damage may occur if you do not follow procedure
as specified.
Operation The arrow on the valve indicates the direction of flow. The direction of flow is always
from II (A) to I (AB). See Figure 1.
CAUTION:
Removing the bottom cap will not convert the two-way valve into a
three-way valve.
Figure 1. VVG Valve Direction of Flow.
An electronic motor actuator positions the valve. A continuous 0 to 10 Vdc signal
controls the actuator.
The valve provides a linear flow characteristic. A selector plug on the SQS… actuator
allows selection of linear or equal percentage flow characteristic. The valve stroke is
proportional to the control signal with linear flow selected. See Figure 4.
A zero voltage control signal returns the valve to its "0" position. In the event of a power
failure, the SQS65U holds its last position, and the SQS65.5U returns the valve to its
fail-safe position.
The position output 0 to 10 Vdc signal "U" produces position feedback to the field panel.
An additive control input at R for 0 to 1000 ohms allows control by either a low
temperature detector or a remote setting unit.
Installation •The valve assembly can be installed in the supply or return line.
NOTE: For hot water installations, it is recommended to place the valve in the return
line because the temperature is lower.
•Match the direction of flow with the symbol cast on the valve body. See Figure 1.
•Allow 8 inches (200 mm) of clearance for installation and service.

VE VVG Electronic Two-way Valves Technical Instructions
Document Number 155-112P25
Rev. 3 August, 2002
Siemens Industry, Inc. Page 5
Installation,
Continued •Mount the assembly in any position except with the actuator beneath the valve.
See Figure 2 for allowable mounting positions.
•Before installing the actuator, use a protective plastic cap (Figure 1) to manually
position the valve. The plastic cap opens up to 80% flow from II (A) to I (AB). The
valve cannot be fully opened using the plastic cap.
NOTE: Do not discard the plastic cap. It may be needed during troubleshooting or for
emergency valve operation.
CAUTION:
Dirt in the piping system can cause valve problems. Before starting-up and
troubleshooting the valve, make certain that the piping system is free of dirt
and foreign particles. It is recommended that a filter is placed upstream of
the valve.
Figure 2. Mounting Positions.
Wiring WARNING:
On valve actuator wiring code, "G" is 24 Vac HOT, not ground.
Figure 3. Terminal Connections in Actuator.
G, G0 24 Vac operating voltage
G = System potential
G0 = System neutral
Y0 to 10 Vdc control signal
RInput for 0 to 1000 ohms remote
setting unit or low temperature
detection unit
M Measuring neutral
UOutput for 0 to 10 Vdc position
indication

VE VVG Electronic Two-way Valves Technical Instructions
Document Number 155-112P25
Rev. 3 August, 2002
Page 6 Siemens Industry, Inc.
Wiring,
Continued •All units that connect to terminals Y and U, together with the SQS65U, must
connect to the same G0.
•When wiring the position output to AI terminations, connect terminal U to SIG and
terminal G0 to COM.
•The factory-fitted link across terminals R and M can be removed only if a unit
connects between these terminals.
Start-Up Remove the actuator cover and verify the selector plug is set for the desired flow
characteristic. See Figure 4.
Position Flow Characteristics
A-C Equal Percentage (Factory Setting)
C-B Linear
Equal Percentage Linear
O O
A C B A C B
Figure 4. Selector Plug Setting for Flow Characteristic.
•
V = Volumetric flow 1 to
100%
YU= 0 to 10 Vdc control
signal
YR= 0 to 1000 ohm
resistance signal
Troubleshooting •Check wiring for appropriate connections (Figure 3).
•Check selector plug for proper flow characteristic.
•Check valve operation. Thread plastic valve cap (Figure 1) onto top of valve. Turn it
to adjust valve position.
Stem Packing
Figure 5. VVG Valve Construction.
Service If either valve or actuator is inoperative, replace that unit.
WARNING:
To avoid personal injury, do not attempt to repair the valve.

Technical Instructions VE VVG Electronic Two-way Valves
Document No. 155-112P25
Rev. 3 August, 2002
Information in this publication is based on current specifications. The company reserves the right to make changes in specifications and models as
design improvements are introduced. APOGEE is a trademark of Siemens Industry, Inc. Other product or company names mentioned herein may
be the trademarks of their respective owners. © 2002 Siemens Industry, Inc.
Siemens Industry, Inc.
Building Technologies Division
1000 Deerfield Parkway
Buffalo Grove, IL 60089
+ 1 847-215-1000
Your feedback is important to us. If you have
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Document No. 155-112P25
Printed in the U.S.A.
Page 7
Dimensions
Figure 6. Dimensions for SQS65U… Actuator and VVG 44 Valve.
Nominal
Valve
Size
in (mm)
AAA C Metric Thread D G H J M N P NPT for
Union
S
Solder
Cup for
Sweat
Valve
Weight
lbs.
(kg)
1/2
(15) 3-15/16 (100) 5-13/16 (148) G 1” 11/32 (8.5) 2-9/32 (58) 2-1/2 (63) 2-3/32 (53) 1 (25) 1-5/8 (41) 1/2-in 7/8-in 1.3 (0.6)
3/4
(20) 3-15/16 (100) 5-29/32 (150) G 1-1/4” 3/8 (9) 2-5/16 (59) 3-1/16 (78) 2-11/16 (68) 1-1/4 (32) 1-31/32 (50) 3/4-in 7/8-in 2.2 (1)
1
(25) 4-5/32 (105) 6-5/16 (160) G 1-1/2” 3/8 (9) 2-15/32 (62.5) 3-3/16 (81) 2-25/32 (71) 1-1/2 (38) 2-5/32 (55) 1-in — 3.1 (1.4)
1-1/4 (32) 4-5/32
(105) 6-11/16 (170) G 2” 7/16 (11) 2-1/2 (63.5) 3-7/16 (87.5) 3-1/16 (77.5) 1-7/8 (47) 2-3/4 (70) 1-1/4-in —- 4.3 (1.95)
1-1/2
(40) 5-1/8 (130) 7-13/16 (198) G 1-1/2” 2-1/2 7/16 (11) 3 (76) 3-9/16 (90.5) 3-1/16 (80.5) 2-3/32 (53) 2-31/32 (75) 1-1/2-in — 6 (2.75)