Honeywell VP513A User manual

Honeywell
INGLE SEATED
GENERAL
These instructions include service and repair informa-
tion for the VP5
13A and B pneumatically operated,
high-pressure, single-seated water valve.
SPECIFICATIONS
MODELS:
VP5
13A (normally open)
VP5
13B (normally closed)
tubing),
3/4 in. (nominal for 7/8 in. O.D. copper
tubing).
VP513B:
1/2 in. (nominal for 5/8 in. O.D. copper
tubing).
NOMINALVALVE BODY RATING: 250 lb/in2(1724
kPa). CAPACITY INDEX (Cv):
VP5 13A: 1.0, 1.6, 2.5 or 4.0 Cv.
MAXIMUM BODY TEMPERATURE: 250 F (121 C). VP5 13B: 1
.0, 1.6, or 2.5 Cv.
SIZE:
MAXIMUM SAFE OPERATOR AIR PRESSURE: 2.5
VP513A: 1/2 in. (nominal for 5/8 in. O.D. copper lb/in2(172
kPa).
APPLICATION
The VP5 13A (normally open) and VP5 13B (normally
closed) water valves provide proportional control of unit
air conditioners using hot and/or cold water as the con-
trolled medium.
OPERATION (See Fig. 1)
An increase in control air pressure from the system
temprature controller proportionally drives the VP5 13A
closed or the
VP513B open, modulating the medium’s
flow through the coil.
CONTROL
Al R
~-t/-----i
2697
Fig. 1. VP5 13A Typical Operation
MLF TAB: ll.D.4.
Rev. 10-79
Form No 75- 1707
Commercial Bldg Group

MAINTENA
CLEANING INSPECTION
Remove all dirt and grease accumulation from under-
Inspect top of packing nut around stem for signs of
side of operator and around packing nut and stem. Use leakage. Repack the valve if necessary. See REPAIR,
solvent if necessary. Packing Replacement
9 CAUTION
Do not allow solvent to come into contact with
diaphragm, as it can cause serious damage.
Work in well ventilated room to prevent breathing
toxic fumes of solvent.
TROUBLESH
TING
1. Observe room tempera
setting up or down to
perature.
ture and move thermostat
simulate high or low
tem-
2. Check air pressure at valve and water flow. Normal
conditions are shown in Table 1.
a. [fair pressure is opposite normal condition, check
thermostat operation and calibration. When air
pressure is lower than normal, check for proper
air supply pressure and for air leaks in piping or
diaphragm (seeREPAIR, Diaphragm Replace-
ment). Replace Series 1models with new oper-
ators or replace both diaphragm and cover.
b. If
air pressure is cowect and water is not flowing
when it should be, check for pump operation,
air lock, closed hand valves, or stuck valve.
c. If air pressure is correct
and water is flowing when
it should not be, check for a bad disc or seat,
something lodged under the disc, or water pressure
exceeding valve close-off rating.
Replace stems and discs by disassembling valve (see
REPAIR, Stem and Disc Holder Replacement). Replace
seats on VP5
13B valves by using special tool, Part No.
CCM3833. Replace the entire valve body if the seat on
a VP5 13A valve is defective.
3. Visually inspect the valves for leakage at stem. If
repacking is necessary, see REPAIR, Packing Replace-
ment.
Table 1 -Normal Operating Conditions of
VP5 134 & B.
Application Room Temp.
Air Pressure Water Flow
Model No.
Hot W.
Ch. W.
High
High Low
Flow No. Flow
~--~-
VP5 13A (N.O.)
VP51 3B (NC,)
XXXX
--
XXXX
XXXX
XXXX
XXXX
XXX
X
XXXX
XXXX
75-1707
2

DlAPHRAGM REPLACEMENT (See Fig. 2):
1. Shut down air supply to operator.
2. Using a
-. screwdriver, draw the valve stem retainer
from the locked position.
3. Back off setscrews and lift operator from
valve. 30 NOT scratch or bend valve stem.
4. Remove the two allen
head cap screws in the base of
The main spring
care to prevent stri is under compression. Use
5. Remove the operator cover n nting screws
Remove defective diaphragm
6. Install new diaphragm and reassemble. Be careful not
to pinch or cut the new diaphragtn during reassembly.
/~ACTUATOR Top
2 ISTEM
\
LOCKSL i DE
,---- (H_’ SPRlNG CUP
- SPIDER
/ ’
(22 PLUG
2698
Fig. 2. Details of VP513A
PACKING REPLACEMENT (See Fig. 2)
NOTE: Shut down the system when repacking the
VP5 13B models. The VP5 13A can be repacked
without the system shutdown by pulling the
valve stem all the way up allowing the O-ring
to sealoff any leakage through the
b
et
CAUTION
The
controlled medium pressure holds the O-ring
seal in place. DO NOT depress valve stem while
repacking.
1.
2.
3.
4.
5
5. .
6.
With the operator removed, inset-r a nail, awl. pin,
or similar instrument into the
1/16 in. diameter hole
near the top of the valve stem, Prevent stem from
turning and remove the stem
button
,Impor-
tant: DO NOT remove the setscrew from the top of
the button.
Pull s up and remo
ing spacers
See Fig. 3 for exploded view of packing
components.
Inspect valve stem at this time to dctermine its condi-
tion.
Glean spacers, packing nut, spring and
exposed por-
tion of stem with tricloroethylene or similar solvent.
Lubricate stem, spring, spacer and each new packing
ring with lubricant, Part No. 309535.
Reassemble packing components.
CAUTION
DO NOT force the new packing rings overthe
threaded end of the valve stem. Carefully screw
them over the threads to avoid damageto thc ring.
1_______1_- STEM BUTTON
PACK I NG
PACKING RING
PACKING RING
SPACER
PACKING
RING
SPACER
- BONNET
2519
Fig. 3. Packing Assembly
75-1707

STEM AND DISC HOLDER COMPONENT REPLACE-
to defective components. Be sure O-ring seal is in
MENT (See Fig. 4)
position on valve stem.
Shut down system (supply air and control medium).
d.
Inspect integral valve seat (Fig. 2 , @
). If defec-
tive, replace complete valve.
Replace parts as required (see PARTS LIST).
Remove operator and packing components as previ-
ously discussed.
-. Remove bonnet (Fig. 2.
4. VP5 13A models:
).
5. VP5 13B models:
a. Remove valve seat with special tool, Part No.
CCM3833, and lift out stem assembly.
b. Replace components as required by removing disc
holder mounting screw. See PARTS LIST for parts
ordering information.
a. Remove stem and disc holder assembly from valve
body.
b. Remove throttling plug (Fig. 2,
@
6. Reassemble and start up system. Observe operation
) for access through several cycles.
Fig. 4. Details of
VP513B
75- 1707

VP5 13A
SCREW-8-32 X 1/4 W/LOCKWASHER
6-32 X
1/2 FIL HD
\
SERIES 2-3
NONE
COVER NONE
14003572-001 14003572-001
312760
DIAPHRAGM
-
312760
CUP, DIAPHRAGM
SPRING, STABILIZER
RETAINER, STEM
CUP, SPRING
3-10 9-13
(62-90)
-
--
RANGE:
LB/IN
2
(kPa) 1 (21-69)
SPRING
WASHER, RETAINER
-
315413
SPIDER-UPPER
pF
SPIDER- BASE
9
SCREW 1/4-20 X 3/8 SOCKET SET (2)
SCREW
1/4-20 X 3/4 SOCKET HD (2)
A
1
STANDARD HARDWARE ITEM: OBTAIN LOCALLY WHEN POSSIBLE
WHEN REPLACING THE SERIES 1 OPERATOR COVER AND/OR DIAPHRAGM, UPDATE TO A
SERIES 2 AND 3 VERSION COVER AND DIAPHRAGM
WHEN REPLACING THE SERIES 1 UPPER SPIDER, UPDATE TO A SERIES 2 AND 3 UPPER
SPIDER, COVER, DIAPHRAGM AND MOUNTING SCREWS (4)
X505
Fig. 5. VP5 13 Parts List.
575-1
707

*SCREW 1/4-28 X 3/8 SOCKET SET ------+
k?d
1
BUTTON b
PACKING NUT
.+-----PACKING (3) ~
+T-
SPACER
PACKING (2)
-SPRING PACKING
-
BONNET
VP513A
VP513B
@+--RING, SEAL
-
-
PLUG
b
-STEM ~
.+----- STEM AND -
HOLDER ASSY
- SPRING
I
- SEAT VP513B1004 & B1012 -
OTHER VP513B
4
-DISC -
I
O-RING
WASHER
+@
I
DISC HOLDEF
SCREW
dI
BODY
/
-+----- PLUG -
1/2" VALVE
/
14003228-001
313094SERIES 1
313102 SERIES 2 315936
315800A
315937
1.0 CV
-
315972
1.6 CV V
315056 315971
25CV 313265 315938
n n r\/
‘STANDARD HAPDWARE ITEM. OBTAIN LOCALLY WHEN POSSIBLE.
NOTE PARTS FOR OBSOLETE VALVES (ANGLE PATTERN AND
1/2 IN OD) ARE NO
LONGER AVAILABLE SUBSTITUTE VP527A FOR SMALL CV S.T VALVES.
X506
Fig. 6. VP5 13 Parts List (Continued).
HONEYWELL*MlnneapolIs, Minnesota 55408
.
Scarborough, Ontario
.
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