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FTH SERIES HEATERS
Water In
Water Out
FTH Series
FTH-6000-240
shown smaller
than actual size.
OMEGA
®
flow through heaters are designed primarily
for providing heat that regulates liquid temperature from
32 to 88ºC (90 to 190°F). The heaters have a titanium
element that resists corrosion. The flow through tube
is 381 mm (15") long and has 1 NPT female pipe
connections and is available in 304 SS. The safety high
limit trip point for the heater is 99ºC (210°F). The 201
x 145 x 89 mm (7.9 x 5.7 x 3.5") enclosure is made of
ABS plastic and is water resistant.
Water
Out
Water
In
Figure A—Mounting Method for 1
Water Out
1
" Pipe
⁄
2
3"
min
CAUTION AND WARNING!
• Not for use as a spa or hot tub heater
• Read all instructions before installation and operation
• Heater will fail if energized without proper uid ow—
15 GPM min
• Pump must be running and uid owing before turning
on power to the heater
• Heater must be powered down for one to ve minutes
before turning off the pump and stopping fluid flow
• Bleed the system of any air before applying power to
the heater
• Heaters failures due to insufcient ow or due to dry
ring, the heater is not covered under warranty
• Heater should always be mounted so that the water
outlet is elevated a minimum of 3" above the water inlet
(see gure A)
• When using piping smaller than 11⁄2", the heater is to be
mounted in a vertical orientation. Fluid flow is to enter
at the bottom and exit out the top (see gure B)
• Minimum connecting pipe diameter is 3⁄4"
• Piping connections are to meet all local plumbing codes
• Electrical connections must be performed in
accordance with articles 250 and 680 of the National
Electric Code and by a qualied electrician
J
Water In
Figure B—Mounting Method
for Piping Less Than 1
1
"
⁄
2
To Order
Model No. Wattage Voltage Phase AMP Draw
FTH-1500-120 1500 120 1 Ø 12.5
FTH-2000-240 2000 240 1 Ø 8.3
FTH-3000-240 3000 240 1 Ø 12.5
FTH-4000-240 4000 240 1 Ø 16.7
FTH-5000-240 5000 240 1 Ø 20.8
FTH-6000-240 6000 240 1 Ø 25.0
Comes complete with operator’s manual.
Ordering Examples: FTH-1500-120, flow through heater, 1.5 kW.
FTH-2000-240, flow through heater, 2 kW.
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145
(5.7)
145
(5.7)
201
(7.9)
89
(3.5)
58
(2.3)
381
(15)
1½ NPT
Thread
1½ NPT
Thread
Plug into
standard
120V outlet
120V Unit
Wiring Diagrams
145
(5.7)
145
(5.7)
89
(3.5)
1½ NPT
Thread
381
(15)
1½ NPT
Thread
Plug into
standard
120V outlet
58
(2.3)
Dimensions: mm (inches)
240V Unit
Wiring Diagrams
145
(5.7)
89
(3.5)
1½ NPT
Thread
381
(15)
201
(7.9)
Green wire = Ground
1½ NPT
Thread
Black Wire = L2
White Wire = L1
145
(5.7)
Dimensions: mm (inches)
58
(2.3)
201
(7.9)
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