Honeywell PWT-BV Operation manual

PRODUCT DATA

63-2693-03

PWT-BV Bypass Valve Manifold

Fig. 1. PWT-BV

APPLICATION

The Bypass Valve Manifold is designed for easy installation

and maintenance of Honeywell PWT Series wet differential

pressure sensors. The PWT Sensor is not included with the

PWT-BV bypass valve.

SPECIFICATIONS

Operating Temperature: -40° to 175°F

Working Pressure: 250 psi max.

CAUTION

This product is not intended for life or

safety applications.

Do not install this product in hazardous or classified

locations.

Read and understand the instructions before installing

this product.

Turn off all power supplying equipment before working

on equipment.

The installer is responsible for conformance to all

applicable codes.

INSTALLATION

1. Install 3/16” male fittings into the PWT Sensor (not

included) as shown. Use Teflon tape or thread sealer to

ensure a leak-free seal. Align fitting tips so they extend

an equal distance from the end of the PWT Sensor

ports. Install 90° elbow to PWT Sensor (not included) as

shown in Fig. 2.

Fig. 2. Align fitting tips and install 90° elbow.

1. Assure A& C are closed

2. Open B (null)

3. Open D (bleed or purge)

4. Slowly open A (bleed line)

5. Close B, open Afully

6. Slowly open C (bleed line)

7. Close D, open C fully

MAINTENANCE:

Bleed or Purge –

See Commissioning

Equalize pressure – Open B (null)

Isolate Sensors – Close A & C

Z000185-0A

COMMISSIONING:

PWT-BV

Bypass Valve

BAC

NORMAL OPERATION

0929

M31194

WET DIFFERENTIAL PRESSURE

M29658

90°

ELBOW

3/16 (5) FITTINGS. ALIGN

SO THAT BOTTOM TIPS

OF FITTINGS EXTEND AN

EQUAL DISTANCE FROM

END OF PORTS.

PWT-BV BYPASS VALVE MANIFOLD

Automation and Control Solutions

Honeywell International Inc.

1985 Douglas Drive North

Golden Valley, MN 55422

Honeywell Limited-Honeywell Limitée

35 Dynamic Drive

Toronto, Ontario M1V 4Z9

customer.honeywell.com

® U.S. Registered Trademark

63-2693—03 E.K. Rev. 11-09

Printed in U.S.A.

2. Connect PWT Sensor (not included) to the PWT-BV

Bypass Valve Manifold as shown in Fig. 3. Configure

complete assembly.

Fig. 3. Connecting PWT Sensor (not included) to the

PWT-BV Bypass Valve Manifold.

3. Install the PWT Sensor (not included) per the installa-

tion instructions included with that product.

4. Commissioning

(a)Close C and D.

(b)Open B (null).

(c)Open D (bleed or purge).

(d)Slowly open A to bleed air from line.

(e)Close B, then fully open A.

(f) Slowly open C to bleed air from line.

(g)Close D, then fully open C.

Fig. 4. Valve positions showing all valves closed.

Fig. 5. Valve positions showing all valves open.

Fig. 6. Valve positions showing all normal operation.

MAINTENANCE

1. Bleed or purge: follow Commissioning

(step 4 of Installation).

2. Equalize pressure: open B.

3. Isolate sensors: close A and C.

DIMENSIONS

Fig. 7. Dimensional drawing of PWT-BV Bypass Valve

Manifold showing PWT Sensor (not included) for

reference only.

1. AssureA & C are closed

2. Open B (null)

3. Open D (bleed or purge)

4. Slowly open A(bleed line)

5. Close B, open Afully

6. Slowly open C (bleed line)

7. Close D, open C fully

MAINTENANCE:

Bleed or Purge – SeeCommissioning

Equalize pressure – Open B (null)

Isolate Sensors – Close A & C

Z000185-0A

COMMISSIONING:

PWT-BV

Bypass Valve

BAC

NORMAL OPERATION

0929

M31195

WET DIFFERENTIAL PRESSURE

VALVE POSITIONS: ALL CLOSED

M29593

VALVE POSITIONS: ALL OPEN

M29594

VALVE POSITIONS:

NORMAL OPERATION

M29595

1. Assure A& C are closed

2. Open B (null)

3. Open D (bleed or purge)

4. Slowly open A(bleed line)

5. Close B, open Afully

6. Slowly open C (bleed line)

7. Close D, open C fully

MAINTENANCE:

Bleed or Purge – SeeCommissioning

Equalize pressure – Open B (null)

Isolate Sensors – Close A & C

Z000185-0A

COMMISSIONING:

PWT-BV

Bypass Valve

BAC

NORMAL OPERATION

0929

M31196

6.75 (172)

WET DIFFERENTIAL PRESSURE

8.7 (221)

1.5 (38)

7.75 (191)

1.5 (38) 1.8 (46)

3.5 (89)

0.5 (13)

By using this Honeywell literature, you agree that Honeywell will have no liability for any

damages arising out of your use or modification to, the literature. You will defend and

indemnify Honeywell, its affiliates and subsidiaries, from and against any liability, cost, or

damages, including attorneys’ fees, arising out of, or resulting from, any modification to the

literature by you.

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