Graco 800-028 Operation manual

Rev. A
GRDCO
This manual contains IFdlIQORTAriT
WARNINGS and !NSTRVCVIOILS
READ AN@RETAINFORREFERENCE
MODEL 800-028
For regulating the temperature on heated,
high pressure washers. Maximum working
pressure is
5,000 PSI (344 bar).
flow to theelectric motor. Current surgesonstart-
up will exceedamp ratinglimitsand cause
premature failure.
INSTALLATION
"
is shut off and
disconnected from power. Relieve all pressure
from system.
(Figure 1). Use pipesealantortape on all plumbing
Install temp control between heater outlet and gun inlet
connections.
TEMP
CONTROL
PUMP UNLOAOER HEATER
GUN
I FIGURE 1 - WHERE TO INSTALL
I
The tempcontrolcanbeelectrical'connected in a
variety of ways. Use Figure 2 to determine thecorrect
wiring diagram that is closest to your application.
Connectthe wires on the temp controlasshown, being
sure tocomply with all electricalcodes. Thetwo wires
fromthetempcontrolmust be protectedbyplacing
flexibleconduit over thewires. The conduit isnot
+ :; . with a 3/8-inch connector for use with 3/8-inch
.17: suppliedby manufacturerbut the tempconirol comes
,..:. ; .
, . .,I ::. ~,
flexible conduit.
'OWER
BLX
FLOW BLI TfYP BLX FUEL WHT
SWITCH CONTROL SOLfNOIO
TEMP BLI
SOLENOIO CONTROL
FUEL
'
TRANSFORMER -
! I
BLY
'OWER SWITCH
FLOW
BLI TEMP BLK FUEL wm
CONTROLSOLENOID
TWNSFORMER
WHT I
FIGURE 2 - WIRING DIAGRAM

SPEClFlCATlONS
Flow Rate. ........ ..1-35 GPM (4-132 VMin.)
Ports (2) ........... 1/2 NPT
Pressure Rating . ,5000 PSI (344 bar)
Temperature Range .32°F-2000F (OoC-93"C)
ElectricLoad,Non-Inductive .......................
........ 12OVACatlOAmps,240VACat5Amps
Approvals.. ....... .CSA UL(On Thermo Switch)
PARTS LIST
REF
NO.
1
2
4
3
5
6
7
8
10
9
11
PART
NO.
801 -402
801 -400
801-397
801-396
801 -296
801 -395
801 -398
801-228
801 -304
801-401
801 -399
DESCRIPTION
BLOCK,Therrno
THERMOSWITCH
COVER
KNOB
COUPLING, Electrical, 3/8
SCREW, Round Hd.,
LABEL
49NC x 1/4
WIRE,Black, AWG No. 14
CONNECTOR, Crimp, No. 8
BRACKET
O-RING
an.
1
1
1
1
1
1
6
lo'
1
2
1
4 /@I
7
THE GRACO WARRANTY
Graco Inc. warrants all equipment manufactured by it andbearing its nameto be free fromdefects in
purchaser for
a periodof 12 months from thedateof purchaseand appliesonlywhenthe equipmentis
material and workmanship under normal useandservice.Thls warranty extendsto the original
coverdamage
or wear which. in the reasonable judgment ofGraco.arises from misuse.abrasion,
installed and operated in accordance with written factory recommendations.This warranty does not
corrosion. negligence.accident: substitution of non-Graco parts. faulty installation
or tampering.
This warranty is conditioned upon the prepaid return of the equipment claimed to
be defective for
examination by Graco to verify the claimed defect. If the claimeddefect isverified. Graco willrepair
or
replace free of charge, any defective parts. The equipment will be returned to the original purchaser
transportationprepaid. If inspection of the equipment does not disclose any defect
in workmanship or
materlal. repairs will be made at a reasonablecharge and return transportation will be charged.
EQUIPMENT NOTCOVERED
BY GRACO WARRANTY Accessoriesorcomponentsof equipmentsoldby
Gracothat are not manufactured by Graco (such aselectric motors. switches. hose, etc.) are subject to
the warranty. if any. of their manufacturer. Graco will provide purchaserwith reasonableassistance'in
makingsuchclaims.
..
I
Factory Branches: Atlanta. Dallas, Detroit. Los Angeles. West Caldwell (N.J.1
Subsidiary and AffiliateCompnnies: Canada; England; Switzerland: France; Germany: Hong Kong; Jepan
GWACO UMC. B.O. BOW 8ma ~~~~~A~~an~, waw %mm-~-~ma
PRINTED IN U.S.A..801-403 4/8445-1 001 3 REV. A