Siemens VVG44.15-0.4S Betriebsanleitung

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

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

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

comments about this document, please send

them to sbt_technical.editor.us.sbt@siemens.com

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

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)

(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)

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