Installation Instructions

Installation Instructions
Document No.129-174
September 25, 2009
VE VMP Electronic 2-Way and 3-Way
Valves
Item Number 129-174, Rev. 300 Page 1 of 2
Product Description
The VMP Electronic 2-Way and 3-Way Valves
control water and glycol solutions. Removal of the
cap from the bottom bypass port (III) converts this
valve assembly to a 3-way valve.
Product Numbers
VMP42.09(2) through VMP42.14(2)
Required Tools
• Adjustable wrench
• 1/8-inch small flat blade screwdriver
Prerequisites
CAUTION:
Make certain that the piping system is free
of dirt and foreign particles before startup
and troubleshooting valves.
Strainer Guidelines
• 80 mesh for Cv 0.47 (Kvs 0.4) and smaller
(VMP42.09 and VMP42.10)
• 60 mesh for Cv 0.74 (Kvs 0.63) and larger
(VMP42.11 through VMP42.14)
Application
Two-Port Valves
The arrow on the valve indicated the direction of
flow. Direction of flow is always from II (A) to I (AB).
Figure 2. Direction of Flow with 2-Way Valves.
Three-Port Valves
These valves must always be used as mixing valves.
The arrow on the valve indicates the direction of
flow. Direction of flow is from II (A) and III (B) to
I (AB).
Figure 3. Direction of Flow with 3-Way Valves.
Figure 1. Mounting Positions.