Honeywell
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)
NOMINALVALVE BODY RATING: 250 lb/in
kPa).
MAXIMUM BODY TEMPERATURE: 250 F (121 C).
SIZE:
VP513A: 1/2 in. (nominal for 5/8 in. O.D. copper
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.
Rev. 10-79
tubing), 3/4 in. (nominal for 7/8 in. O.D.
tubing).
VP513B: 1/2 in. (nominal for 5/8 in. O.D. copper
tubing).
2
(1724
CAPACITY INDEX (Cv):
VP5 13A: 1.0, 1.6, 2.5 or 4.0 Cv.
VP5 13B: 1 .0, 1.6, or 2.5 Cv.
MAXIMUM SAFE OPERATOR AIR PRESSURE: 2.5
2
lb/in
(172 kPa).
CONTROL
A l R ~-t/-----i
Fig. 1. VP5 13A Typical Operation
INGLE SEATED
MLF TAB: ll.D.4.
75- 1 707
Form No
Commercial Bldg Group
c o p p e r
2 6 9 7