Johnson Controls VG1xA5Gx Installation Instructions Manual

VG1000 Series Flanged Ball Valves
Installation Instructions
VG12A5xx, VG18A5xx
Applications
The VG1000 Series Flanged Ball Valves are designed
to regulate hot and chilled water, 50/50 glycol solutions,
and 25 psig steam in HVAC systems.
IMPORTANT: The VG1000 Series Flanged Ball
Valve is intended to control saturated steam, hot
water, and chilled water flow under normal operating
conditions. Where failure or malfunction of the ball
valve could lead to personal injury or property
damage to the controlled equipment or other
property, additional precautions must be designed
into the control system. Incorporate and maintain
other devices, such as supervisory or alarm systems
or safety or limit controls, intended to warn of or
protect against failure or malfunction of the ball
valve.
IMPORTANT: Le VG1000 Series Flanged Ball Valve
est destiné à réguler un débit saturated steam, hot
water, and chilled water dans des conditions
normales de fonctionnement. Lorsqu'une défaillance
ou un dysfonctionnement du ball valve risque de
provoquer des blessures ou d'endommager
l'équipement contrôlé ou un autre équipement, la
conception du système de contrôle doit intégrer des
dispositifs de protection supplémentaires. Veiller
dans ce cas à intégrer de façon permanente
d'autres dispositifs, tels que des systèmes de
supervision ou d'alarme, ou des dispositifs de
sécurité ou de limitation, ayant une fonction
d'avertissement ou de protection en cas de
défaillance ou de dysfonctionnement du ball valve.
Installation
Install the VG1000 Series Flanged Ball Valves with the
actuator at or above the centerline of the horizontal
piping, as shown in Figure 1.
IMPORTANT: In steam applications, install the
valve with the stem horizontal to the piping. Failure
to follow these guidelines may shorten the life of the
actuator.
Refer to the
VG1000 Series Flanged Ball Valves Installation Instructions
1 4 - 1 3 5 2 - 6 ,
QuickLIT website for the most up-to-date version of this document.
To minimize heat transfer in steam applications, wrap
the valve and piping with insulation. Allow at least 4 in.
(102 mm) of clearance from the top of the shaft to
remove the actuator (as noted in Table 1).
When mounting the actuator in the field and before
installing the actuator, use an adjustable wrench to
manually rotate the valve stem several times. This
rotation breaks the torque that may have built up during
long-term storage.
IMPORTANT: Do not attempt to manually rotate the
drive shaft while the actuator is installed without first
releasing the actuator gears. Manually rotating the
drive shaft without releasing the actuator gears may
result in permanent damage to the actuator.
IMPORTANT: Take care to prevent foreign material
such as weld slag, thread burrs, metal chips, and
scale from entering the piping system. This debris
can damage or severely impede the operation of the
valve by embedding itself in the seats, scoring the
valve, and ultimately resulting in seat leakage. If the
debris becomes embedded in the seats, subsequent
flushing and filtering of the piping system with the
valve installed does not remedy the problem.
For detailed installation information about using
specific equipment, refer to the appropriate
documentation from the following list.
• M9108, M9116, M9124, and M9132 Series Electric
Non-Spring Return Actuators Installation
Instructions (Part No. 34-636-399)
• M9220-AGx-3 Series Floating Electric Spring
Return Actuators Installation Instructions
(Part No. 34-636-1689)
• M9220-Bxx-3 Series On/Off Electric Spring Return
Actuators Installation Instructions
(Part No. 34-636-1239)
• M9220-GGx-3 Series Proportional Electric Spring
Return Actuators Installation Instructions
(Part No. 34-636-1697)
1
Re v . G
Part No. 14-1352-6, Rev. G
Issued October 2016