C1800
USER'S MANUAL
CAUTION
Read all precautions and instruc-
tions in this manual before using
this equipment. Save this manual
for future reference.
Serial Number Decal
Model No. NTL99020
Serial No.
Find the serial number in the location
shown below. Write the serial number
in the space above for reference.
Visit our website at
www.nordictrack.com
new products, prizes,
fitness tips, and much more!
QUESTIONS?
If you have questions, or if there
are missing parts, we will guar-
antee complete satisfaction
through direct assistance from
our factory.
TO AVOID DELAYS, PLEASE
CALL DIRECT TO OUR TOLL-
FREE CUSTOMER HOT LINE.
The trained technicians on our
Customer Hot Line will provide
immediate assistance, free of
charge to you.
CUSTOMER HOT LINE:
1-888-825-2588
Mon.–Fri., 6 a.m.–6 p.m. MST
Patent Pending
TABLE OF CONTENTS
IMPORTANT PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
BEFORE YOU BEGIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
OPERATION AND ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
HOW TO FOLD AND MOVE THE TREADMILL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
CONDITIONING GUIDELINES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
PART LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
ORDERING REPLACEMENT PARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
LIMITED WARRANTY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Back Cover
Note: An EXPLODED DRAWING is attached in the center of this manual.
NordicTrack is a registered trademark of ICON Health & Fitness, Inc.
2
3
1. It is the responsibility of the owner to ensure
that all users of this treadmill are adequately
informed of all warnings and precautions.
2. Use the treadmill only as described.
3. Place the treadmill on a level surface, with at
least eight feet of clearance behind it and two
feet on each side. Do not place the treadmill
on any surface that blocks air openings. To
protect the floor or carpet from damage, place
a mat under the treadmill.
4. Keep the treadmill indoors, away from mois-
ture and dust. Do not put the treadmill in a
garage or covered patio, or near water.
5. Do not operate the treadmill where aerosol
products are used or where oxygen is being
administered.
6. Keep children under the age of 12 and pets
away from the treadmill at all times.
7. The treadmill should not be used by persons
weighing more than 250 pounds.
8. Never allow more than one person on the
treadmill at a time.
9. Wear appropriate exercise clothes when
using the treadmill. Do not wear loose clothes
that could become caught in the treadmill.
Athletic support clothes are recommended for
both men and women. Always wear athletic
shoes. Never use the treadmill with bare feet,
wearing only stockings, or in sandals.
10. When connecting the power cord (see page 8),
plug the power cord into a surge suppressor
(not included) and plug the surge suppressor
into a grounded circuit capable of carrying 15
or more amps. No other appliance should be on
the same circuit. Do not use an extension cord.
11. Use only a single-outlet surge suppressor that
meets all of the specifications described on
page 8. To purchase a surge suppressor, see
your local NordicTrack dealer or call 1-800-
806-3651 and order part number 146148.
12. Failure to use a properly functioning surge
suppressor could result in damage to the con-
trol system of the treadmill. If the control sys-
tem is damaged, the walking belt may change
speed or stop unexpectedly, which may result
in a fall and serious injury.
13. Keep the power cord and the surge suppres-
sor away from heated surfaces.
14. Never move the walking belt while the power
is turned off. Do not operate the treadmill if
the power cord or plug is damaged, or if the
treadmill is not working properly. (See
BEFORE YOU BEGIN on page 5 if the tread-
mill is not working properly.)
15. Never start the treadmill while you are stand-
ing on the walking belt. Always hold the
handrails while using the treadmill.
16. The treadmill is capable of high speeds.
Adjust the speed in small increments to avoid
sudden jumps in speed.
17. The pulse sensor is not a medical device.
Various factors, including the user's move-
ment, may affect the accuracy of heart rate
readings. The pulse sensor is intended only
as an exercise aid in determining heart rate
trends in general.
18. Never leave the treadmill unattended while it
is running. Always remove the key, unplug
the power cord and move the on/off switch to
the off position when the treadmill is not in
use. (See the drawing on page 5 for the loca-
tion of the on/off switch.)
19. Do not attempt to raise, lower, or move the
treadmill until it is properly assembled. (See
ASSEMBLY on page 6, and HOW TO FOLD
AND MOVE THE TREADMILL on page 22.) You
must be able to safely lift 45 pounds (20 kg) in
order to raise, lower, or move the treadmill.
20. Do not change the incline of the treadmill by
placing objects under the treadmill.
21. When folding or moving the treadmill, make
sure that the storage latch is fully closed.
WARNING: To reduce the risk of burns, fire, electric shock, or injury to persons, read the
following important precautions and information before operating the treadmill.
IMPORTANT PRECAUTIONS
22. When using iFIT.com CD’s and videos, an
electronic “chirping” sound will alert you
when the speed and/or incline of the treadmill
is about to change. Always listen for the
“chirp” and be prepared for speed and/or in-
cline changes. In some instances, the speed
and/or incline may change before the per-
sonal trainer describes the change.
23. When using iFIT.com CD’s and videos, you
can manually override the speed and incline
settings at any time by pressing the speed
and incline buttons. However, when the next
“chirp” is heard, the speed and/or incline will
change to the next settings of the CD or video
program.
24. Always remove iFIT.com CD’s and videos
from your CD player or VCR when you are not
using them.
25. Inspect and properly tighten all parts of the
treadmill regularly.
26. Never insert or drop any object into any
opening.
27.
DANGER: Always unplug the power
cord immediately after use, before cleaning
the treadmill, and before performing the main-
tenance and adjustment procedures de-
scribed in this manual. Never remove the
motor hood unless instructed to do so by an
authorized service representative. Servicing
other than the procedures in this manual
should be performed by an authorized service
representative only.
28. This treadmill is intended for in-home use
only. Do not use this treadmill in any commer-
cial, rental, or institutional setting.
WARNING: Before beginning this or any exercise program, consult your physician. This
is especially important for persons over the age of 35 or persons with pre-existing health problems.
Read all instructions before using. ICON assumes no responsibility for personal injury or property
damage sustained by or through the use of this product.
SAVE THESE INSTRUCTIONS
4
The decals shown have been placed on your treadmill. If a decal is missing or illegi-
ble, please call our Customer Service Department, toll-free, to order a free replace-
ment decal (see ORDERING REPLACEMENT PARTS on page 27). Apply the decal in
the location shown.
Note: The decal shown at
the right is 50% of actual
size.
Thank you for selecting the revolutionary NordicTrack
®
C 1800 treadmill. The C 1800 treadmill combines ad-
vanced technology with innovative design to help you
get the most from your exercise program in the conve-
nience of your home. And when you’re not exercising,
the unique C 1800 treadmill can be folded up, requiring
less than half the floor space of other treadmills.
For your benefit, read this manual carefully before
using the treadmill. If you have additional questions,
please call our Customer Service Department toll-free
at 1-888-825-2588, Monday through Friday, 6 a.m.
until 6 p.m. Mountain Time (excluding holidays). To
help us assist you, please note the product model
number and serial number before calling. The model
number of the treadmill is NTL99020. The serial num-
ber can be found on a decal attached to the treadmill
(see the front cover of this manual for the location).
Before reading further, please familiarize yourself with
the parts that are labeled in the drawing below.
BEFORE YOU BEGIN
Handrail
Console
Hand Weight Holder*
Lock Knob
Book Holder
Key/Clip
Circuit Breaker
On/Off Switch
Walking Belt
Foot Rail
Power Cord
Rear Roller
Adjustment Bolts
Water Bottle Holder†
Pulse Sensor
RIGHT SIDE
LEFT SIDE
*For information about optional hand
weights, see page 21.
†No water bottle is included.
5
ASSEMBLY
Assembly requires two people. Set the treadmill in a cleared area and remove all packing materials. Do not
dispose of the packing materials until assembly is completed. Assembly requires the included allen wrench
and your own phillips screwdriver and wire cutters .
Note: The underside of the treadmill walking belt is coated with high-performance lubricant. During shipping, a
small amount of lubricant may be transferred to the top of the walking belt or the shipping carton. This is a normal
condition and does not affect treadmill performance. If there is lubricant on top of the walking belt, simply wipe off
the lubricant with a soft cloth and a mild, non-abrasive cleaner.
1. With the help of a second person, carefully raise the
Uprights (69) until the treadmill is in the position shown.
Refer to the inset drawing. Insert one of the Extension
Legs (102) into the treadmill as shown. Make sure that
the Extension Leg is turned so the Base Pad (99) is on
the bottom. Note: It may be helpful to tip the Uprights
(69) forward as you insert the Extension Leg.
Insert the other Extension Leg (not shown) in the same
way.
1
69
2. Press the Lock Knob Sleeve (70) into the left Upright (69).
Make sure that the Lock Pin Collar (72) and the Spring
(71) are on the Lock Pin (74). Insert the Lock Pin into the
Lock Knob Sleeve (70) and the left Upright (69). Next,
press the Lock Knob Spacer (35) onto the left Upright.
Tighten the Lock Knob (68) onto the Lock Pin.
69
35
70
68
71
72
74
2
3. With the help of a second person, carefully tip the
Uprights (69) down as shown. Make sure that the
Extension Legs (102) remain in the Uprights.
Attach each Extension Leg (102) with two 3/4” Screws
(100) as shown.
With the help of a second person, carefully tip the
Uprights (69) back to the vertical position.
Note: One replacement Base Pad (99) may be included.
Use the Base Pad to replace any Base Pad that becomes
worn.
100
102
69
69
100
102
99
99
3
99
102
69
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7. Make sure that all parts are properly tightened before you use the treadmill. Note: If there is a thin sheet
of clear plastic on the hood decal, remove it. Keep the included allen wrench in a secure place. The allen
wrench is used to adjust the walking belt (see page 24). To protect the floor or carpet from damage, place a
mat under the treadmill.
6. Insert two Handrail Bolts (78) with Handrail Bushings
(77) into the right Upright (69) and the right Handrail
Spacer (65). Turn the Handrail Bushings so they fit
against the Upright with the thick sides of the Bushings
toward the center of the treadmill as shown in the inset
drawing. Lift the right Handrail (66) slightly and align the
Bolts with the holes in the Handrail. Next, thread the
Bolts into the Handrail. Do not tighten the Bolts yet.
Attach the left Handrail (not shown) in the same way.
Tighten all four Handrail Bolts (78).
6
78
77
Thick
Side
69
66
65
77
5. Pull the Upright Wire Harness (98) up through the other
Handrail Spacer (65). Place the Handrail Spacer on the
right Upright (69) as shown, with the cutout turned toward
the treadmill (see inset drawing A).
Have a second person hold the Handrails (66) near the
Uprights (69) as shown. Connect the Upright Wire
Harness (98) to the wires extending from the Console
Base (81). Insert the connectors and the Upright Wire
Harness into the hole in the Console Base (see inset
drawing B).
Set the Handrails (66) on the Handrail Spacers (65),
being careful not to pinch the Upright Wire Harness (98).
5
98
69
66
81
65
69
65
81
98
A
B
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4. Slide the Grounding Bracket (107) onto one of the
Handrail Spacers (65) in the location shown.
See inset drawing A. Pinch the tabs on the Grounding
Bracket (107) so that the tabs will fit into the hole in the
Upright (69 [see inset drawing B]).
See inset drawing B. Place the Handrail Spacer (65) on
the left Upright (69) as shown, with the cutout on the indi-
cated side. Note: Make sure that the tabs on the
Grounding Bracket (107 [see inset drawing A]) are in-
serted into the hole in the Upright.
4
Tabs
A
B
69
107
107
65
65
Cutout
Cutout
OPERATION AND ADJUSTMENT
THE PERFORMANT LUBE
TM
WALKING BELT
Your treadmill features a walking belt coated with
PERFORMANT LUBE
TM
, a high-performance lubricant.
IMPORTANT: Never apply silicone spray or other
substances to the walking belt or the walking plat-
form. Such substances will deteriorate the walking
belt and cause excessive wear.
HOW TO PLUG IN THE POWER CORD
Your treadmill, like any other type of sophisticated
electronic equipment, can be seriously damaged by
sudden voltage changes in your home’s power.
Voltage surges, spikes, and noise interference can
result from weather conditions or from other appliances
being turned on or off. To decrease the possibility of
your treadmill being damaged, always use a surge
suppressor with your treadmill (see drawing 1 at
the right). To purchase a surge suppressor, see
your local NordicTrack dealer or call 1-800-806-
3651 and order part number 146148.
Use only a single-outlet surge suppressor that is
UL 1449 listed as a transient voltage surge sup-
pressor (TVSS). The surge suppressor must have a
UL suppressed voltage rating of 400 volts or less
and a minimum surge dissipation of 450 joules.
The surge suppressor must be electrically rated
for 120 volts AC and 15 amps. There must be a
monitoring light on the surge suppressor to indi-
cate whether it is functioning properly. Failure to
use a properly functioning surge suppressor could
result in damage to the control system of the
treadmill. If the control system is damaged, the
walking belt may change speed or stop unexpect-
edly, which may result in a fall and serious injury.
This product must be grounded. If it should malfunc-
tion or break down, grounding provides a path of least
resistance for electric current to reduce the risk of elec-
tric shock. This product is equipped with a cord having
an equipment-grounding conductor and a grounding
plug. Plug the power cord into a surge suppressor,
and plug the surge suppressor into an appropriate
outlet that is properly installed and grounded in
accordance with all local codes and ordinances.
Important: The treadmill is not compatible with
GFCI-equipped outlets.
This product is for use on a nominal 120-volt circuit,
and has a grounding plug that looks like the plug illus-
trated in drawing 1 below. A temporary adapter that
looks like the adapter illustrated in drawing 2 may be
used to connect the surge suppressor to a 2-pole
receptacle as shown in drawing 2 if a properly
grounded outlet is not available.
The temporary adapter should be used only until a
properly grounded outlet (drawing 1) can be installed
by a qualified electrician.
The green-colored rigid ear, lug, or the like extending
from the adapter must be connected to a permanent
ground such as a properly grounded outlet box cover.
Whenever the adapter is used it must be held in place
by a metal screw. Some 2-pole receptacle outlet box
covers are not grounded. Contact a qualified elec-
trician to determine if the outlet box cover is
grounded before using an adapter.
DANGER: Improper connection
of the equipment-grounding conductor can
result in an increased risk of electric shock.
Check with a qualified electrician or service-
man if you are in doubt as to whether the
product is properly grounded. Do not modify
the plug provided with the product—if it will
not fit the outlet, have a proper outlet
installed by a qualified electrician.
1
2
Grounded Outlet Box
Grounded Outlet Box
Grounding Plug
Surge Suppressor
Surge Suppressor
Grounding Pin
Adapter
Lug
Metal Screw
Grounded Outlet
Grounding Pin
8
9
FEATURES OF THE CONSOLE
The advanced console offers an impressive array of
features to help you get the most from your exercise.
When the console is in the manual mode, the speed
and incline of the treadmill can be changed with a touch
of a button. As you exercise, the console will provide
continuous exercise feedback. You can even measure
your heart rate using the built-in pulse sensor.
Four preset workout programs are also offered. Each
program automatically controls the speed and incline
of the treadmill to give you an effective workout. You
can even create your own custom workout programs
and store them in memory for future use.
The console also features new iFIT.com interactive
technology. IFIT.com technology is like having a per-
sonal trainer right in your home. Using the included
audio cable, you can connect the treadmill to your
home stereo, portable stereo, or computer and play
special iFIT.com CD programs (iFIT.com CD's are
available separately). IFIT.com CD programs automati-
cally control the speed and incline of the treadmill as a
personal trainer guides you through every step of your
workout. High-energy music provides added motivation.
Each CD features two programs designed by certified
personal trainers.
In addition, you can connect the treadmill to your VCR
and TV and play iFIT.com video programs (videocas-
settes are available separately). Video programs offer
the same benefits as iFIT.com CD programs, but add
the excitement of working out with a class and an
instructor—the hottest new trend at health clubs.
With the treadmill connected to your computer, you
can also go to our Web site at www.iFIT.com and
access programs directly from the internet. See
www.iFIT.com for details.
To purchase iFIT.com CD's or videocassettes, call toll-
free 1-800-735-0768. For information about an optional
chest pulse sensor, see page 21.
To use the manual mode of the console, follow the
steps beginning on page 10. To use a preset program,
see page 12. To create and use a custom program,
see pages 14 and 15. To use an iFIT.com CD or
video program, refer to page 18. To use an iFIT.com
program directly from our Web site, see page 20.
Program Display
Pulse
Sensor
Pulse
Sensor
Note: If there is a sheet of clear
plastic on the console, remove it.
Clip
Key
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