Setup And Adjustments; Troubleshooting; Servicing The Actuator Or Piping System - Johnson Controls VG1xA5Gx Installation Instructions Manual

Setup and Adjustments

Port A has the flow characterizing disk. Connect Port A
to the outlet from the coil. On three-way models, use
Port B as the bypass port.
Two-way VG1000 Series Ball Valves are fully open
when the electric actuator is fully counterclockwise
(CCW) and fully closed when the electric actuator is
fully clockwise (CW).
For three-way valves, the Coil Port A and Common
Port AB are fully open when the electric actuator is fully
CCW, as shown in Figure 11. The Bypass Port B and
Common Port AB are fully open when the actuator is
fully CW, as shown in Figure 12.
Figure 11: VG18A5 Series Three-Way Ball Valve
(Coil Port A Open to Common Port AB)
Port A
Coil
Port B Bypass
Figure 12: VG18A5 Series Three-Way Ball Valve
(Bypass Port B Open to Common Port AB)
Port A
Coil
Port B Bypass
For non-spring return and spring-to-open proportional
control models in the Direct Acting (DA) mode, a
minimum control signal drives the electric actuator to
the fully CCW position while a maximum control signal
drives the electric actuator in the fully CW position.
Port AB
Common
Port AB
Common
VG1000 Series Flanged Ball Valves Installation Instructions
For spring-to-close proportional control models in the
DA mode, a minimum control signal drives the electric
actuator to the fully CW position, while a maximum
control signal drives the electric actuator to the fully
CCW position.

Troubleshooting

Servicing the Actuator or Piping System

When servicing the electric actuator or the piping
system:
• disconnect the power supply to the actuator
WARNING: Risk of Electric Shock.
Disconnect or isolate all power supplies
!
before making electrical connections. More
than one disconnection or isolation may be
required to completely de-energize
equipment. Contact with components
carrying hazardous voltage can cause
electric shock and may result in severe
personal injury or death.
AVERTISSEMENT : Risque de décharge
électrique.
Débrancher ou isoler toute alimentation
avant de réaliser un raccordement
électrique. Plusieurs isolations et
débranchements sont peut-être nécessaires
pour -couper entièrement l'alimentation de
l'équipement. Tout contact avec des
composants porteurs de tensions
dangereuses risque d'entraîner une
décharge électrique et de provoquer des
blessures graves, voire mortelles.
• relieve the pressure in the piping system
CAUTION: Risk of Property Damage.
Do not apply power to the system before
!
checking all wiring connections. Short
circuited or improperly connected wires may
result in permanent damage to the
equipment.
MISE EN GARDE : Risque de dégâts
matériels.
Ne pas mettre le système sous tension
avant d'avoir vérifié tous les raccords de
câblage. Des fils formant un court-circuit ou
connectés de façon incorrecte risquent
d'endommager irrémédiablement
l'équipement.
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