Sentry AutoVREL - Installation

Sentry AutoVREL Flow Controller 9
Installation
Unpacking
After carefully removing the Sentry AutoVREL ow controller and ow meter from its
shipping carton, inspect it for any damage. Report damages to the shipper immediately.
Mounting
 NOTE
Installation by a Sentry authorized service representative is recommended due to the complex
mechanical and electrical assembly needed.
Equipment Needed
 Sentry AutoVREL ow controller
– controller and drive unit
– ow meter
– wire harnesses – DC power (4-pin connector) and I/O harness (8-pin connector)
– shaft adapter, set screw and locking nut
 Corded power drill
 Cutting oil
 Loctite Blue 242 or equivalent
 Hammer
 1/8-inch, 3/16-inch and 9/64-inch Allen wrenches
 7/16-inch and 1/2-inch open-end, crescent or socket wrench or equivalent
 Sentry AutoVREL mounting kit
 Sentry TSV thermal shuto valve and TSV switch (may already be on panel)
 24 VDC power supply (only required if not available on existing panel)
AutoVREL
control unit
AutoVREL
drive unit
Mounted after secondary cooling
Flow meter
TSV
TSV Switch
VREL control valve
Wire to ow meter
inputs on AutoVREL
ow controller
Wire to AutoVREL TSV
input and GND
(Alarm Conn pins 4 & 6)
Optional Alarm wiring
can be routed to the
AutoVREL ow controller