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
D
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
© 2009 Honeywell International Inc.
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
D
NORMAL OPERATION
0929
M31195
WET DIFFERENTIAL PRESSURE
BA
C
D
VALVE POSITIONS: ALL CLOSED
M29593
BA
C
D
VALVE POSITIONS: ALL OPEN
M29594
BA
C
D
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
D
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)
3.5 (89)
0.5 (13)
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