VPS Installation
Under Dispenser Installation Steps
11
11
Figure 4. Example VPS Install in Horizontal Access Fitting or Vapor Return Line - ISD Installation (with Air Flow Meter Below
Shear Valve)
Dispenser hydraulics cabinet
Top of
pedestal
island
Dispenser
sump
1/4 " OD copper
tube as required
2" or 3" common main
vapor return line
Pressure
Sensor
Wrap rubber shim from
kit around sensor before
inserting in clamp
Pressure
sensing
port
Pitch to drain 1/4" vertical
per 12" horizontal
12
4
11
2
2
2
2
3
2
1
10
OR
Seal off
(customer
supplied)
Conduit to
TLS Console
Cable
Cord grip
Flow Meter and Pressure
Sensor wiring can share
the same conduit to console
(Observe polarity!)
Required 'Y' fitting for
introducing liquid
duringTP-201.4 dynamic
backpressure test.
Cable
Vapor return line
shear valve
Vapor flow
meter
X
Numbers in circle refer to item numbers (kit components) in Table 1
Junction box
(customer
supplied)
- OR -
connect these
2 cables to TLS RF
transmitters (W2)
