651747-2-M
OPERATOR’S MANUAL
RELEASED:
REVISED:
(REV. E)
4-1-03
INCLUDING: OPERATION, INSTALLATION & MAINTENANCE
1-24-11
STAINLESS STEEL FLUID HEATER
READ THIS MANUAL CAREFULLY BEFORE INSTALLING,
OPERATING OR SERVICING THIS EQUIPMENT.
It is the responsibility of the employer to place this information in the hands of the operator. Keep for future reference.
FLUID HEATER DATA
DIMENSIONAL DATA
Models . . . . . . . . . . . . . . . . . . . . . . . 651747-2-M
Wetted Parts Material . . . . . . . . . . . . Stainless Steel
Volts AC . . . . . . . . . . . . . . . . . . . . . . 220
651747-2-M FLUID HEATER
7-1/2”
(190.5 mm)
Amperes . . . . . . . . . . . . . . . . . . . . . . 8.3
Watts . . . . . . . . . . . . . . . . . . . . . . . . . 2000
Accuracy . . . . . . . . . . . . . . . . . . . . . . ±1.9_ C (3-1/2_ F)
Temperature Rise Above Ambient . . . 38_ C (100_ F)
Recovery Rate per Hour . . . . . . . . . . 56.8 liters (15 gallons)
Maximum Working Pressure . . . . . . . 35 MPa (5000 p.s.i.)
Maximum Temperature Range . . . . . . 16 - 121_ C (60 - 250_ F)
Surface Temperature Code . . . . . . . . T3 (200_ C / 392_ F)
Fluid Passage Diameter . . . . . . . . . . . 9.4 mm (0.370”)
Fluid Passage Length . . . . . . . . . . . . 232.9 cm (91.7”)
Fluid Passage Volume . . . . . . . . . . . . 0.162 lit. (9.86 in.3)
Inlet / Outlet Port Size (female) . . . . . 1/2 - 14 N.P.T.F. - 1
Weight . . . . . . . . . . . . . . . . . . . . . . . . 8.2 kg (18 lbs)
Environment Approval . . . . . . . . . . . . Group II 2 G Ex dII B T3
CENELEC Standard . . . . . . . . . . . . . . EN 60079-0 & EN 670079-1
Notified Body Certification . . . . . . . . TRL04ATEX11052
4-3/16”
(105.6 mm)
3/4 - 14 N.P.T.F.
4-3/4”
(120.7 mm)
Mounting holes (hidden)
Thermometer - Do not over-
tighten. For orientation only.
1/2 - 14 N.P.T.F. (Outlet)
16-1/16”
(408.0 mm)
3-3/4”
(95.3 mm)
GENERAL DESCRIPTION
8-13/16”
(223.8 mm)
The Aro stainless steel fluid heater models are wired for 220 volt AC ap-
plications. Theheatingelement isa2000wattcartridgetypeandisther-
mostatically controlled. The wiring, heating element and thermostat are
protected by a preset heat limiter.
The thermostat is adjustable up to approximately 121_ C (250_ F). The
heater isoffwhenthethermostat knob isturned counterclockwise asfar
as possible. The heater will not switch on until the knob is rotated to at
least ambient room temperature.
Fluid heaters have been tested in water soluble oil. Some of this fluid
may be left within the heater, therefore flush out this fluid with a solvent
compatible with the material to be pumped.
• This unit utilizes an explosion-proof electrical section and internally
spiraling material section. The material enters the base under line
pressure from the pump and is heated and delivered thru to the ma-
terial outlet at the top.
• Twoormorepaintheatersmaybecoupledtogetherbyplumbingthe
material outlet of the first heater to the material inlet of the next, etc.
However,thedistanceofpipingrunbetweentheunitsshouldbelim-
ited to no more than three feet (see figure 4, page 4).
1/2 - 14 N.P.T.F. (Inlet)
0891
Figure 1
OPERATING PRECAUTIONS
• Heed all warnings.
WARNING Do not exceed 35 MPa (5000 p.s.i.) maximum.
WARNING HIGH PRESSURE DEVICE. Improper usage of
thisequipment couldresult inseriousinjury. Thepossibilityof
injection into the flesh is a potential hazard. Never allow any
part of the human body to come in front of, or in direct contact
with, the material outlet. An injection injury can be serious. If
injection shouldoccur, contactaqualifiedphysician forimme-
diate treatment.
CAUTION Electrical supply power to the heater must be off
during flushing operation.
TYPICAL INSTALLATION
CAUTION Use only genuine Aro replacement parts to as-
sure compatible pressure rating and longest service life.
CAUTION Do not remove cover when energized.
The heater inlet and outlet should be plumbed (up flow) as shown (see
figure 4, page 4), to minimize chances of trapped air inside the heater. If
theinletandoutletarereversed(downflow), thetemperaturerisewillbe
different.
INGERSOLL RAND COMPANY LTD
209 NORTH MAIN STREET – BRYAN, OHIO 43506
FAX(800) 892-6276
(800) 495-0276
© 2010
CCN 15200561
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PARTS LIST / 651747-2-M
A
Item Description (size)
Qty Part No.
(1) 78140-XXX-X
(6) 93475-M
(1) 78141-XXX-X
(3) 78143
34
1
3
2 H
: 1 14 Gauge Wire (12” long, black)
2
Cap Screw (M8 - 1.25 x 30 mm)
: 3 14 Gauge Wire (12” long, red)
5
4
Ring Terminal
4
6
: 5 14 Gauge Wire (7” long, green)
(1) 78142-XXX-X
(1) Y76-103-C
(1) 93473-M
(1) 92932
6
7
8
9
Machine Screw (#10 - 24 x 1/4”)
Cable Gland (3/4 - 14 P.T.F.)
Terminal Block
Mounting Plate
(1) 93583-1
(4) Y8-463-C
(4) Y1-6
10 Machine Screw (#6 - 32 x 1/4”)
11 Lockwasher (#6)
12 Thermometer (0_ - 250_ F / -10_ - 120_ C)
13 Ground Screw (M5 - 0.8 x 10 mm)
14 Rail
7
(1) 91696
A
12
9
11 10
19
8
(1) 93474-M
(1) 93472-M
(1) 92928-M
(1) 93466-M
(2) Y8-468-C
(2) Y22-6-C
(1) 93586-1
(1) 93471-M
(1) Y13-4-C
(1) 93470-M
(1) 93467-M
(1) 92972
18
17 D
15 Housing
`
16
20
21
22
23
16 Cover
17 Machine Screw (#6 - 32 x 5/8”)
18 Nut (#6 - 32)
15
14
19 Adjusting Knob
20 Retaining Ring
21 Washer (1/4”)
24
22 Spring Washer
23 Spindle
42.85 mm
(1.687”)
24 Thermostat (16_ - 121_ C / 60_ - 250_ F)
(20 amp. / 480 volt AC)
13
25 Cap Screw (3/8” - 16 x 1-1/4”)
26 Fluid Track
(3) Y99-63
(1) 92974
H 25
33
27 Heater Cartridge Assembly (+10% / -5%) (1) 66751-2
Mounting Holes (2)
5/16 - 18 UNC -2B
12.7 mm (1/2”) deep
(230 / 240 volt AC, 27.36 Ohms)
“B”
28 Pipe Plug (1/2 - 14 N.P.T.)
29 Heater Limiter
(1) Y17-53
(1) 92935
30 Terminal
(2) 78035
-
: 31 14 Gauge Wire (6” long, black)
32 Terminal
(2) 78140-XXX-X
(4) 78034-1
(2) 93472-M6
(1) 93476-M
26
33 Machine Screw (M4 x 5 mm)
34 Blanking Plug (3/4 - 14 N.P.T.)
: Available in bulk rolls only.
27 Z
4
31
1
30
2
32
Figure 2
28
3
4
29
View A - A
“C”
(27) Heater Cartridge
“B” Outlet (1/2 - 14 N.P.T.F. - 1)
“C” Inlet (1/2 - 14 N.P.T.F. - 1)
4
(29) Heater Limiter
(24) Thermostat
3
2
H
D
(25) Torque to 10 - 12 ft lbs (13.6 - 16.3 Nm).
(17) Apply Loctite 242 to threads.
(1) Black
(3) Red
Input Line
` Apply Crouse Hinds Sealing Compound or Appleton CO-4
Sealing Cement and allow to set before moving wires.
- Apply Dow Corning 340 Silicone Heat Sink Compound.
1
(5) Green
Wiring Schematic
Figure 3
Z
Apply Wat Lube
651747-2-M
Page 3 of 4
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TROUBLE SHOOTING
Fluid heater will not produce heat.
• No current to the heater unit.
Check the main power switch.
Check the power supply fuse, etc.
• Damaged thermostat.
Correct the wiring.
• Material build-up inside the heater.
Clean the fluid heater and material lines.
Inadequate material flow.
Replace the thermostat.
• Material build-up inside the heater.
• The heat limiter is burned out.
Replace the heat limiter.
• The heat element is burned out.
Replace the heater cartridge element.
Clean the fluid heater and material lines.
TYPICAL INSTALLATION
The temperature of the material is too low.
• The voltage to the heater is too low.
Correct the wiring.
TYPICAL SINGLE HEATER
TYPICAL DUAL HEATER
• The thermostat is damaged.
Replace the thermostat.
“C”
“C”
• The thermostat setting is wrong.
Adjust the thermostat.
• Material build-up inside the heater.
Clean the fluid heater and material lines.
• The material flow is too fast.
Reduce the material flow.
“A”
“A”
“B”
“B”
The temperature of the material is too high.
• The thermostat is damaged.
Replace the thermostat.
• Wrong setting on the thermostat.
Reset the thermostat.
“A” = Material Outlet
“B” = Material Inlet
“C” = Power In
Figure 4
The heater takes too long to heat the material.
• The voltage is too low.
ACCESSORIES
66258 Mounting Bracket Assembly
6” (152.4 mm)
11/16” (17.5 mm)
2-1/4”
(57.2 mm)
1-11/16”
(42.9 mm)
3/8” dia. (9.5 mm) 6x
Figure 5
PN 97999-1052
651747-2-M
Page 4 of 4
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