VPS Installation
Under Dispenser Installation Steps
12
Figure 5. Example VPS Installation Below Vertical Access Fitting or Vapor Return Line - ISD Installation (with Air Flow Meter
Below Shear Valve)
Base of Dispenser Cabinet
797-14.eps
Dispenser
sump
2" or 3" common main
vapor return line
Pressure
Sensor
Wrap rubber shim from
kit around sensor before
inserting in clamp
Pressure
sensing
port
3
1
10
Seal off
(customer
supplied)
Conduit to
TLS Console
Cable
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
1/4 " OD copper
tube as required
12
4
11
2
2
2
Pitch to drain 1/4"
vertical per 12"
horizontal
Top of
pedestal
island
Vapor return line
shear valve
Vapor flow
meter
2
X
Numbers in circle refer to item numbers (kit components) in Table 1
2
OR
Junction box
(customer
supplied)
- OR -
connect these
2 cables to TLS RF
transmitters (W2)