COREZY 16-LEVEL SMART MAGNETIC
RESISTANCE RECUMBENT BIKE WITH
WORKOUT BANDS
SF-RB424006
USER MANUAL
IMPORTANT! Please retain owner’s manual for maintenance and adjustment instructions. Your
satisfaction is very important to us, PLEASE DO NOT RETURN UNTIL YOU HAVE CONTACTED
US: support@sunnyhealthfitness.com or 1-877-90SUNNY (877-907-8669).
1
IMPORTANT SAFETY INFORMATION
We thank you for choosing our product. To ensure your safety and health, please use this
equipment correctly. It is important to read this entire manual before assembling and using the
equipment. Safe and effective use can only be achieved if the equipment is assembled, maintained,
and used properly. It is your responsibility to ensure that all users of the equipment are informed of
all warnings and precautions.
1. Before starting any exercise program, you should consult your physician to determine if you
have any medical or physical conditions that could put your health and safety at risk or prevent
you from using the equipment properly. Your physician’s advice is essential if you are taking
medication that affects your heart rate, blood pressure, or cholesterol level.
2. Be aware of your body’s signals. Incorrect or excessive exercise can damage your health. Stop
exercising if you experience any of the following symptoms: pain, tightness in your chest,
irregular heartbeat, shortness of breath, lightheadedness, dizziness, or feelings of nausea. If
you do experience any of these conditions, you should consult your physician before continuing
with your exercise program.
3. Keep children and pets away from the equipment. The equipment is designed for adult use only.
4. Use the equipment on a solid, flat level surface with a protective cover for your floor or carpet.
To ensure safety, the equipment should have at least 2 feet (60 cm) of free space all around it.
5. Ensure that all nuts and bolts are securely tightened before using the equipment. The safety of
the equipment can only be maintained if it is regularly examined for damage and/or wear and
tear.
6. Always use the equipment as indicated. If you find any defective components while assembling
or checking the equipment, or if you hear any unusual noises coming from the equipment during
exercise, discontinue use of the equipment immediately and do not use until the problem has
been rectified.
7. Wear suitable clothing while using the equipment. Avoid wearing loose clothing that may
become entangled in the equipment.
8. Do not place fingers or objects into the moving parts of the equipment.
9. The maximum weight capacity of this unit is 300 lbs (135 kgs).
10. The equipment is not suitable for therapeutic use.
11. To avoid bodily injury and/or damage to the product or property, proper lifting and moving are
required.
12. Your product is intended for use in cool, dry conditions. You should avoid storage in extreme
cold, hot, or damp areas as this may lead to corrosion and other related problems.
13. This equipment is designed for indoor and home use only; it is not intended for commercial use.
2
PRE-ASSEMBLY CHECK LIST
Before you start to assemble, please make sure all parts are included
No.
Description
Spec.
Qty
No.
Description
Spec.
Qty
1
Main Frame
1
34
Right Pedal
JD-22A
1
2
Front Stabilizer
1
43
Computer
TZ-2190
1
3
Rear Stabilizer
1
58
Bottle Holder
1
4
Front Post
1
99
Dumbbell Rack
1
5
Front Handlebar
1
106
Rope Group
2
6
Rear Handlebar
1
101
Adjusting Foot Pad
M8*30
1
10
Seat
1
A
Hardware Package
1
11
Backrest Cushion
1
B
Thank You Card
1
30
Brake Handle
1
C
Manual
1
33
Left Pedal
JD-22A
1
D
Battery
AA
1
3
HARDWARE PACKAGE
Ordering Replacement Parts (U.S. and Canadian Customers only)
Please provide the following information in order for us to accurately identify the part(s) needed:
The model number (found on cover of manual)
The product name (found on cover of manual)
The part number found on the “EXPLODED DIAGRAM” (page 17 and page 18) and “PARTS
LIST” (page 19 and page 20)
4
ASSEMBLY INSTRUCTIONS
We value your experience using Sunny Health and Fitness products. For assistance with parts or
troubleshooting, please contact us at support@sunnyhealthfitness.com or 1-877-90SUNNY
(877-907-8669).
STEP 1:
Attach the Front Stabilizer (No. 2) and
Rear Stabilizer (No. 3) to the Main Frame
(No. 1) with 4 Bolts (No. 53), 4 Big Arc
Washers (No. 54) and 4 Nuts (No. 55).
Tighten and secure with Spanner (No.
95).
Attach the Adjusting Foot Pad (No. 101)
to the Main Frame (No. 1) Tighten and
secure by hand.
STEP 2:
Attach the Brake Handle (No. 30) to the
Connecting Axle (No. 26) with 2 Bolts
(No. 28). Tighten and secure with Allen
Wrench (No. 98).
Loosen the Brake Handle (No. 30), move
the Seat Support Bracket (No. 8) to the
top, then remove 4 Bolts (No. 31) and 4
Washers (No. 19) from the Sliding Rail
(No. 7) with Allen Wrench (No. 97).
Turn the Seat Support Bracket (No. 8)
and Sliding Rail (No. 7) to 180 degrees
rotation.
Attach the Sliding Rail (No. 7) to the
Main Frame (No. 1) with 4 Bolts (No. 31)
and 4 Washers (No. 19) that were
removed. Tighten and secure with Allen
Wrench (No. 97).
5
We value your experience using Sunny Health and Fitness products. For assistance with parts or
troubleshooting, please contact us at support@sunnyhealthfitness.com or 1-877-90SUNNY
(877-907-8669).
STEP 3:
Align Left Pedal (No. 33) with Belt Pulley
With Crank (No. 69) at 90° and gently
insert the Left Pedal (No. 33) into the Belt
Pulley With Crank (No. 69). Turn the Left
Pedal (No. 33) counter-clockwise as tightly
as you can with your hands, then use
Spanner (No. 96) to tighten securely.
Align Right Pedal (No. 34) with Belt Pulley
With Crank (No. 69) at 90° and gently
insert the Right Pedal (No. 34) into the
Belt Pulley With Crank (No. 69). Turn the
Right Pedal (No. 34) clockwise as tightly
as you can with your hands, then use
Spanner (No. 96) to tighten securely.
6
We value your experience using Sunny Health and Fitness products. For assistance with parts or
troubleshooting, please contact us at support@sunnyhealthfitness.com or 1-877-90SUNNY
(877-907-8669).
STEP 4:
Remove 4 Bolts (No. 38) and 4 Big Arc
Washers (No. 39) from the Main Frame
(No. 1) with Allen Wrench (No. 97).
CAUTION: Please make sure the Tension
Control Knob (No. 40) is at the lowest
resistance level (level 1, all the way to the
left) before you connect any wires together.
Attach the Tension Control Knob Wire
(No. 40a) into the metal bracket of
Tension Wire (No. 35) as shown in
drawing A. Then pull Tension Control
Knob Wire (No. 40a) upward and insert it
into the slot of metal bracket of Tension
Wire (No. 35) as shown in drawing B.
Make sure the metal fitting on Tension
Control Knob Wire (No. 40a) is secured in
the metal bracket.
Connect the Sensor Wire (No. 36) to the
Extension Sensor Wire (No. 37). Insert
the connecting wires into Front Post (No.
4).
Attach the Front Post (No. 4) to the Main
Frame (No. 1) with 4 Bolts (No. 38) and 4
Big Arc Washers (No. 39) that were
removed. Tighten and secure with Allen
Wrench (No. 97).
NOTE: Be careful not to pinch any wires
when attaching Front Post (No. 4) to Main
Frame (No. 1).
7
We value your experience using Sunny Health and Fitness products. For assistance with parts or
troubleshooting, please contact us at support@sunnyhealthfitness.com or 1-877-90SUNNY
(877-907-8669).
STEP 5:
Remove 2 Bolts (No. 18), 2 Washers (No.
19) and Handlebar Cover (No. 9) from the
Seat Support Bracket (No. 8) with Allen
Wrench (No. 97).
Attach the Rear Handlebar (No. 6) to the
Seat Support Bracket (No. 8) with 2 Bolts
(No. 18), 2 Washers (No. 19) and
Handlebar Cover (No. 9) that were
removed. Tighten and secure with Allen
Wrench (No. 97).
STEP 6:
Attach the Seat (No. 10) to the Seat
Support Bracket (No. 8) with 4 Bolts (No.
13) and 4 Washers (No. 12). Tighten and
secure with Spanner (No. 96).
Attach the Backrest Cushion (No. 11) to
the Seat Support Bracket (No. 8) with 4
Bolts (No. 13) and 4 Washers (No. 12).
Tighten and secure with Spanner (No. 96).
8
We value your experience using Sunny Health and Fitness products. For assistance with parts or
troubleshooting, please contact us at support@sunnyhealthfitness.com or 1-877-90SUNNY
(877-907-8669).
STEP 8:
Remove 4 Bolts (No. 44) from the back of
the Computer (No. 43) with the Spanner
(No. 96).
Connect the Extension Sensor Wire (No.
37) with Computer Wire (No. 43a). Then
insert them into the Front Post (No. 4).
Insert the Hand Pulse Wire A (No. 46a)
into the pulse Input jack on the back of
Computer (No. 43).
Attach Computer (No. 43) to the top end of
the Front Post (No. 4) with 4 Bolts (No.
44) that were removed. Tighten and secure
with Spanner (No. 96).
STEP 7:
Remove 2 Bolts (No. 38) and 2 Arc
Washers (No. 49) from the Front Post
(No. 4) with Allen Wrench (No. 97).
Attach the Front Handlebar (No. 5) to the
Front Post (No. 4) with 2 Bolts (No. 38)
and 2 Arc Washers (No. 49) that were
removed. Tighten and secure with Allen
Wrench (No. 97).
9
We value your experience using Sunny Health and Fitness products. For assistance with parts or
troubleshooting, please contact us at support@sunnyhealthfitness.com or 1-877-90SUNNY
(877-907-8669).
STEP 9:
Attach the Bottle Holder (No. 58) and
Dumbbell Rack (No. 99) to the Front Post
(No. 4) with 4 Bolts (No. 44). Tighten and
secure with Spanner (No. 96).
STEP 10:
Attach 2 Plastic Pulley Blocks (No. 105)
to the 2 Swivel Blocks (No. 103) which is
in the Rear Stabilizer (No. 3) with 2 Bolts
(No. 104), 2 Washers (No. 84) and 2 Nuts
(No. 52). Tighten and secure with Allen
Wrench (No. 98) and Spanner (No. 108).
Attach 2 Gourd Hooks (No. 107) into two
hooks in the below of Rear Handlebar (No.
6) .
Attach 2 Rope Groups (No. 106) to the
Rear Handlebar (No. 6).
The assembly is complete!
10
We value your experience using Sunny Health and Fitness products. For assistance with parts or
troubleshooting, please contact us at support@sunnyhealthfitness.com or 1-877-90SUNNY
(877-907-8669).
When you want to use the 2 Rope Groups
(No. 106), you should be turn up the Rear
Handlebar (No. 6) as shown in the figure.
11
ADJUSTMENTS GUIDE
MOVING THE RECUMBENT BIKE
Lift the Rear Stabilizer (No. 3) and tilt the
recumbent bike until the Transportation Wheels
(No. 51) touch the ground. Now you can transport
the recumbent bike to the desired location with
ease.
ADJUSTING THE BALANCE
In order to achieve a smooth and comfortable ride,
you must ensure that the recumbent bike is stable
and secure. If you notice that the recumbent bike is
unbalanced during use, you should adjust the
Adjustable End Caps (No. 57) located on the rear
stabilizers until the recumbent bike becomes
levelled with the floor surface.
ADJUSTING THE TENSION
Adjust the tension by rotating the Tension Control
Knob (No. 40) clockwise to increase the level of
resistance. Rotate the Tension Control Knob (No.
40) counter-clockwise to decrease the level of
resistance.
Tension levels are set at Level 1 being the lowest
and Level 16 being the highest.
ADJUSTING THE SEAT
To adjust the seat forward or backward, press
down Brake Handle (No. 30), then slide the seat to
the desired position, lift the Brake Handle (No. 30)
to tighten.
CLEANING
The recumbent bike can be cleaned with a soft, clean, damp cloth. Do not use abrasives or
solvents on plastic parts. Please wipe your perspiration off the recumbent bike after each use. Be
careful not to get excessive moisture on the computer display panel as this might cause electrical
hazard or electronics to fail. Please keep the recumbent bike, especially the computer, out of direct
sunlight to prevent screen damage. Please inspect all assembly bolts and pedals on the recumbent
bike for proper tightness every week.
STORAGE
Store the recumbent bike in a clean and dry environment, away from children.
12
BATTERY INSTALLATION & REPLACEMENT
BATTERY INSTALLATION
1. Take out 2 AA batteries from computer box.
2. Press the buckle of battery cover on the Computer (No. 43), then remove battery cover.
3. Install 2 AA batteries into the battery case on the back of the Computer (No. 43). Pay attention
to the battery + and – poles before installing.
4. Press the buckle of battery cover, then put the battery cover back to the back of the Computer
(No. 43).
The installation is complete!
BATTERY REPLACEMENT
1. Press the buckle of battery cover on the back of the Computer (No. 43), then remove battery
cover.
2. Remove the 2 old AA batteries in the battery case and install 2 new AA batteries into the battery
case on the back of the Computer (No. 43). Pay attention to the battery + and – poles before
installing.
3. Press the buckle of battery cover, then put the battery cover back to the back of the Computer
(No. 43).
The replacement is complete!
BATTERY DISPOSAL
NOTE: Always change both batteries at the same time. Do not mix battery types and do not mix
old and new batteries. Dispose batteries according to your state and regional guidelines.
13
EXERCISE COMPUTER
BLUETOOTH :
1. The Bluetooth icon will flash when the computer is on or wakes from sleep mode. If no Bluetooth
connection is established within 3 minutes, the Bluetooth icon will turn off.
2. The Bluetooth icon will stay on when it is connected.
WIRELESS HEART RATE :
1. The wireless heart rate icon will flash when the computer is on. If the heart rate monitor is not
connected within 1 minute, the wireless heart rate icon will turn off.
2. After exercise resumes, the wireless heart rate icon will flash. If the heart rate monitor is not
connected within 1 minute, the wireless heart rate icon will turn off.
3. When the computer wakes from sleep mode, the wireless heart rate icon will flash. If the heart
rate monitor is not connected within 1 minute, the wireless heart rate icon will turn off.
4. The wireless heart rate icon will flash when the MODE button is pressed during exercise. If the
heart rate monitor is not connected within 1 minute, the wireless heart rate icon will turn off.
5. The wireless heart rate icon will stay on when the heart rate monitor is connected.
NOTE: The heart rate monitor is not included. Wireless heart rate function works with SunnyFit
Heart Rate Monitor HR200. HR200 can only connect to the computer when the wireless heart rate
icon is flashing.
14
FUNCTION BUTTONS
MODE: 1. Press the button to select TIME, DIST(DISTANCE), CALORIES and PULSE to preset.
2. Press the button for selection function display on main LCD, or enter after setting.
3. Hold the MODE button for 2 seconds to reset all values except ODO(TOTAL DISTANCE)
when the Bluetooth is not connected.
4. Press and hold the MODE button for 6 seconds to disconnect from both the SunnyFit
APP and the heart rate monitor. Then the computer will enter sleep mode.
(When the user replaces batteries, all the values will reset to ZERO automatically.)
UP: To set up the target value of TIME, DIST(DISTANCE), CALORIES and PULSE. You can hold
the button to increase the value fast. (The computer has to be in stop condition.)
DOWN: To set down the target value of TIME, DIST(DISTANCE), CALORIES and PULSE. You
can hold the button to increase the value fast. (The computer has to be in stop condition.)
FUNCTIONS
SCAN: Automatically scan through each mode in sequence every 6 seconds. The display
loop is RPM - SPEED –TIME – DIST(DISTANCE) -ODO(TOTAL DISTANCE)– CALORIES -
PULSE on the main screen.
TIME: Accumulates total time from 00:00 up to 99:59. The user may preset target time by
pressing UP or DOWN button. Each increase is 1 minute.
RPM: Displays the Rotation per Minute (RPM). The RPM and SPEED will switch to another
display in every 6 seconds after exercise starts.
SPEED: Displays current training speed. Maximum speed is 99.9 mile/h.
DIST(DISTANCE): Accumulates total distance from 0.00 up to 99.99 mile. The user may preset
target distance data by pressing UP or DOWN button. Each increase setting is 0.1mile.
CALORIES: Accumulates calories consumption during training from 0 to max. 999.9 calories. The
user may also preset the target calorie before training by pressing UP or DOWN button. Each
increase setting is 1 cal.
PULSE: The computer will display the user's heart rate in beats per minute during training. You
may set the target heart rate by pressing the UP or DOWN button.
ODO(TOTAL DISTANCE): Accumulates total distance from 0.00 up to 999.9 mile.
NOTE: This data is a rough guide for comparison of different exercise sessions which cannot be
used in medical treatment.
15
OPERATION ORDER:
1. Power on – Installs 2 pieces of 1.5V UM-3 or AA batteries. The computer start to segment test
with a long beep sound. (Whenever batteries are removed, all the functions values will be reset
to zero or default value.)
2. Select and preset target value – Get access to the setting function of TIME, DIST(DISTANCE),
CALORIES and PULSE. When you are in each setting mode. For the TIME setting, when the
time value is glitter, you can press the UP or DOWN button to adjust the value. Press the MODE
button for confirmation and skip to next setting. The setting of DIST(DISTANCE) and
CALORIES is the same as TIME setting.
3. After entering the speed signal, each function of
RPM-SPEED-TIME-DIST(DISTANCE)-ODO(TOTAL DISTANCE)-CALORIES- PULSE will skip
to display in every 6 seconds.
4. You can also press the MODE button to select a single function display on the main screen.
5. If you have preset any function target before, the function starts to count down from the target
when the training starts except PULSE. Once the target is achieved, the computer will beep,
and the function will count up from zero automatically if the training is still going.
6. Pulse measurement – After you hold on to two handgrip sensors in a few seconds, the
computer will show up your current heart rate in beats per minute. To ensure the heart rate
readout precisely, please do not hold one hand only. You may preset your target pulse before
training starts. Once your current heart rate is achieved to the target, the value of pulse will beep
to remind you.
NOTE:
1. The computer will shut off automatically and disconnect the heart rate monitor if there is no
activity for 4 minutes when the Bluetooth is not connected. Pedaling the machine or key
selection will wake up the computer.
2. If the computer displays abnormally, please re-install the battery, and try again.
3. Battery Spec: 1.5V UM-3 or AA (2PCS).
4. The batteries must be removed from the appliance before it is scrapped, and they are disposed
of safely.
16
APP CONNECTION:
Connect Smart Equipment to SunnyFit App:
1. Scan to download SunnyFit from the app store:
2. Ensure that the Bluetooth function is turned on from your mobile device.
3. If this is your first time using the SunnyFit app, follow the in-app instructions to register for
your free SunnyFit account and log in.
4. Begin any workout activity that matches your smart equipment, then follow the onscreen
prompts to search for and connect to your smart equipment.
5. When connected, your stats and records will be displayed at the end of your course/session
and recorded in your account profile!
Troubleshooting:
If you are having trouble connecting your smart equipment, visit www.sunnyfit.com/guide or
scan the QR code below:
17
EXPLODED DIAGRAM 1
18
EXPLODED DIAGRAM 2
19
PARTS LIST
No.
Description
Spec.
Qty
No.
Description
Spec.
Qty
1
Main Frame
1
34
Right Pedal
JD-22A
1
2
Front Stabilizer
1
35
Tension Wire
L=1000mm
1
3
Rear Stabilizer
1
36
Sensor Wire
L=550mm
1
4
Front Post
1
37
Extension Sensor Wire
L=650mm
1
5
Front Handlebar
1
38
Bolt
M8*20
7
6
Rear Handlebar
1
39
Big Arc Washer
Ф8*Ф20*2.0
4
7
Sliding Rail
1
40
Tension Control Knob
1
8
Seat Support Bracket
1
40a
Tension Control Knob
Wire
L=320mm
1
9
Handlebar Cover
1
41
Big Arc Washer
Ф5*Ф18*1.0
1
10
Seat
1
42
Bolt
M5*45
1
11
Backrest Cushion
1
43
Computer
TZ-2190
1
12
Washer
Ф6*Ф18*1.5
8
43a
Computer Wire
1
13
Bolt
M6*15
8
44
Bolt
M5*10
10
14
Handrail Swivel
1
45
Plug
Ф12.1
1
15
End Cap
4
46
Handle Pulse Sensor
With Wire
2
16
Foam Grip
Ф24*Ф30*240
2
46a
Handle Pulse Wire A
L=550mm
17
Square End Cap
38*38*2.0
2
47
Foam Grip
Ф24*Ф30*220
2
18
Bolt
M8*15
2
48
Screw
ST4.2*20
2
19
Washer
Ф8*Ф16*1.5
9
49
Arc Washer
Ф8*Ф16*1.5
2
20
Bushing
2
50
Bolt
M6*48
2
21
Screw
ST4.2*6
4
51
Transportation Wheel
φ6*30
2
22
Brake Fixing Plate
1
52
Nut
M6
4
23
Shaft Snap Ring
Ф12*1.0
3
53
Bolt
M10*57
4
24
Limited Block
1
54
Big Arc Washer
Ф10
4
25
Shaft
Ф25*38
1
55
Nut
M10
4
26
Connecting Axle
1
56
End Cap For Front
Stabilizer
2
27
Bolt
M8*12
1
57
Adjustable End Cap
2
28
Bolt
M6*15
2
58
Bottle Holder
1
29
Bolt
M6*15
2
59
Bolt
M6*45
1
30
Brake Handle
Ф12*367
1
60
Nut
M6
2
31
Bolt
M8*35
4
61
Nut
7/8”
2
32
Square End Cap
53*23*2.0
2
62
Locking Washer
Ф23*Ф34.5*2.5
1
33
Left Pedal
JD-22A
1
63
Locking Nut-Left
7/8”
1
20
PARTS LIST
No.
Description
Spec.
Qty
No.
Description
Spec.
Qty
64
Open Face Bearing
2
87
Bolt
M6*12 S5
2
65
Bearing Housing
2
88
Bearing
6001
2
66
Locking Nut–Right
15/16”
1
89
Flywheel
Ф200
1
67
Locking Washer
Ф24*Ф40*3.0
1
90
Idler Wheel Shaft
1
68
Belt
PJ400
1
91
PC Pad
1
69
Belt Pulley With Crank
Φ260
1
92
Idler Wheel
1
70
Screw
ST4.2*20
7
93
Bolt
M8*75
1
71
Left Belt Cove
1
94
Nut
M8
5
72
Right Belt Cove
1
95
Spanner
S10,13,17,19
1
73
cover
φ60*φ26*6.5
2
96
Spanner
S10,13,14,15
1
74
Screw
ST4.2*25
7
97
Allen Wrench
S6
1
75
Bolt
M6*15
2
98
Allen Wrench
S5
1
76
Washer
Ф6*Ф16*1.2
4
99
Dumbbell Rack
77
Magnetic Plate Axle
1
100
Nut
M8
1
78
Magnetic Bracket
1
101
Adjusting Foot Pad
M8*30
1
79
Magnet Seat
136*45*10
1
102
Plastic Washer
Ф8.5*Ф24*2.0
2
80
Magnet
40*25*10
4
103
Swivel Block
2
81
Screw
ST2.9*9
5
104
Bolt
M6*47
2
82
Spring
Ф15*50*Ф1.5
1
105
Plastic Pulley Block
2
83
Bolt
M6*12
7
106
Rope Group
Ф7*850
2
84
Washer
Ф6*Ф12*1.0
9
107
Gourd Hook
2
85
Bearing End Cover
56*72*1.5
2
108
Spanner
S10,15
1
86
Plastic Bearing Seat
56*72*11
2
Version 1.0
21
