Sunrunner APT User manual

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APT®Power Assist Electric Bicycle
USER MANUAL

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Table of Contents
Introduction …………………………………………………………. 3
Features …………………………………………………………….. 3
Safety Warnings ……………………………………………………. 5
User Guidance ……………………………………………………... 6
Battery and Charging ………………………………………………. 10
Maintenance ………………………………………………………… 18
Trouble Shooting …………………………………………………… 19
Disclaimer …………………………………………………………… 20

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Introduction
Thank you for purchasing the SUNRUNNER®APT®Power Assist Electric Bicycle
(hereinafter referred to as “E-Bike”) designed and manufactured by PIHSIANG
MACHINERY MFG. CO., LTD. (hereinafter referred to as “PMMC”).
The user’s manual contains important information concerning the operation and the safe
use of your E-Bike. Please read this manual carefully and thoroughly before riding your
E-Bike and make sure that you fully understand the operation of the E-Bike as instructed in
this manual. If you have any queries about the spare parts for the maintenance or any other
concerns of your E-Bike, please contact your authorized dealer for assistance.
※SUNRUNNER®is a registered trademark of the PMMC products.
※ APT® is registered for “Advanced Power Technologies” developed and owned by
PMMC.
※ PMMC reserves the right to change the wordIng and specification without prior notice.
Features
1. C-LiFePO4Battery Pack (5Ah / 6Ah)＊4. Go-Button Kit＊
2. ON (I)-OFF-ON (II) Switch (Main Switch) 5. Gear-Shift Handle
3. Battery Gauge
: Optional
1
3
2 45
5Ah C-LiFePO
4
Battery Pack

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Safety Warnings
1. Do not operate your E-Bike before reading this user manual thoroughly.
2. Do not disassemble the battery pack and modify the unit or your warranty will be
void and you will be responsible for the modification.
3. The maximum load for the carry basket is 2kgs.
4. Check the tire pressure of front and rear wheels. Pressure to be around 50PSI before
riding.
5. Make sure that the battery pack has been fully charged before first use, and remove the
charger after fully charging.Turn the main battery switch off while charging or not using.
6. Check that all electrical connections and mechanical parts are securely locked and
fastened before using your E-Bike.
7. Your E-Bike is not recommended for competition,stunt,any aggressive or off-road riding.
Refer to your warranty terms and conditions.
8. The performance and mileage of the unit will be varied with the battery condition,
temperature, terrain, wind speed, tire pressure, rider weight and the maintenance.
9. Your E-Bike is able to sense your feet’s force on the pedal to provide you the assist
power once you ride it. Before depressing pedal on your E-Bike, please ensure
the road ahead is clear of obsticles and traffic.
10. Adjust the height of the saddle to fit your body size. Take heed of the maximum
height markings on the post of the saddle. Your authorized dealer will give you
assistance if requested.
11. Refer to the instruction sheet for the SHIMANO Inter-3 Gear to switch 3 stages of
gears for a more comfortable riding at different slopes.
12. Always consult your doctor for advice on your physical condition and follow
traffic rules while riding.
13. Ensure you wear safe footwear and keep loose articles of clothing clear of
moving parts on your E-Bike while riding.
14. Always handle the battery pack with care and do not drop it.
15. Do not connect the terminals of battery pack with any foreign object.

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Adjustment of the Saddle
Cushion Adjustment for the Saddle
1. Loosen the clamp lever. 2. Adjust the seat post to
the desired height position.
3. Be aware of the maximum
height markings (MIN.
INSERTION as shown) on
the tube of the saddle.
4. Ensure the saddle is
aligned onyour E-Bike
and then tighten the clamp
lever when your saddle has
been correctly positioned.
INSERT MIN ||||||||
2. Use the Hex Wrench to loosen
or depress the cushion to adjust
to your personal comfort.
1. Loosen the clamp lever and
withdraw the saddle connected
with seat post.

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Operating Instructions of Derailleur (Shimano Inter-3 Shift Gear)
Your E-Bike is equipped with the Shimano Inter-3 (3-speed shift gear) at the rear wheel
axle. It is easy to change the gear ratio by shifting the gear-change handle while riding.
Handle position Riding Gradient Speed / Gear Ratio
3 Level road High
2 Level road with a slight slope Middle
1 At a moderate gradient Low (To save your energy while
mounting a slope)
If the gear changes cannot be performed smoothly, please contact your
authorized dealer for adjustment. To smoothly shift the derailleur, the steps below should be
followed:
1. Stop pedaling before shifting the gears while riding.
2. Only shift one gear one time while switching the gear-change handle (Revo-shift
lever shown as above).
3. Resume pedaling.
Note: If you shift the gears while pedaling, a clash may be heard due to gears shifting over
dynamic moving parts.
Operating Instructions of THE SUNRUNNER ELECTRIC BIKE.
Pedaling becomes heavier
(Indicator moves：1 →2 →3)
Revo-shift lever
Pedaling becomes lighter
(Indicator moves：3 →2 →1)
Indicator Indicator
The sunrunner bike's power assist system is fully automatic and worry free.
Simply ride the bike as normal and the computer will activate the motor to varying intensity to ensure a effort free ride.
Sensors in the pedals constantly monitor the riders pedalling motion and the computer adjusts assistance from the motor.
The motor is 200watts as per Australian Law and ensures a fun and effortless ride on this bike at all times.

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Regular Check for Safety before Riding
1. Check the Tire Pressure before riding:
The tire pressure on front and rear tiresis to be maintained at 50PSI.
Check if the tire tread is worn excessivly. If so the tire needs to be replaced.
2. Check Power Assist:
The power assist should cut off when one of handbrakes is engaged or the pedaling
has being stopped for over 3 seconds.
3. Check Battery:
Check the battery pack fits into the battery mount firmly and the LED Light of the
battery pack lights up when the main switch is switched on at the II position.
Check the battery is fully charged before use.
4. Check Motor and Control System:
Check the motor and control system ensuring normal operation.
5. General Inspection:
Check if brake shoes are worn and need to be replaced.
Check if the braking function is operating correctly.
Check if the front and rear wheels are operating smoothly.
Check if all connectors on E-Bike are firmly secured without any damage.
If you have any questions after checking, please refer to Page 17 and 18 for
trouble shooting or contact your authorized dealer for inspection and maintenance.
Riding Safety
˙Always follow local traffic rules while riding.
˙Check the battery gauge if the charge is sufficient to keep the power assist for your
planned riding.
˙The maximum loading capacity of the carrier & front basket is 12 kgs & 2 kgs
respectively. Do not overload the carrier or basket.
˙Do not keep riding your E-Bike if a problem has occurred. Refer to the solutions for
trouble shooting (page 19) or contact your authorised dealer for further inspection
and maintenance. Ensure to use the spare parts supplied by PMMC for replacement.
E-Bike care
The lifetime of your E-Bike will be adversely affected by exposures to aggressive road
conditions, such as dirt, rain, water or salt spray, etc. Ensure your E-Bike, including the
battery pack, are used as instructed in this manual and are protected for transportation.
Always store your E-Bike indoors when not in use. This will prolong the lifespan of your
E-Bike

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Battery & Charging
Usage of Light and Charging
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The main light above as integrated in the controller box will always remain
on when the main switch is on.
Both battery light and main light will be
on if the main switch is switched
onto the right side marked with “II”, and
main light will only be on if the main
switch is switched onto the left side
markedwith“I”.
Charge the battery at once
when the last light LED starts
flashing.
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Swing the charging port cover
away to disclose the charging port
forcharging.
4
Battery can be fully charged within 2
to 6 hours depending on the different
capacity of charger, which must be a
specified charger approved by PMMC.
5
1

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Dismounting the Battery Pack (5Ah)
Unlock the battery pack by using your battery key turned flat.
Note: Make sure the battery pack handle is latched as shown
before sliding out the battery.
Hold the battery pack
handle and remove it.
Please secure the battery pack mount
with one hand and slide the battery
pack onto the rail of mount all the way down to
lock the battery pack with the other hand as
shown.
Note: If the battery pack can be removed without
depressing the key, this means that the
battery pack has not been properly locked.
Repeat the above procedures again.
The battery pack will be
securely locked and can’t be
removed when the key
is switched toward the vertical
position as shown.
Depress the key to release the
lock and use the other hand to
push the battery pack and slide
it out from the battery mount.
Mounting the Battery Pack (5Ah)
1
2 3
1 2

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Steps to Charge the Battery
1. Turn off the main switch of battery pack.
2. Dismount the battery pack and then place it
at a ventilated place to be charging.
3. Swivel the charging port cover of battery
pack and then connect the charger plug
of the charger.
4. Plug the power plug of the charger into
secure power source to start charging battery.
Note: Ensure that the charger plug is dry and securely
connected to the charger port of battery pack.
Operating Instruction
1. Ensure the input voltage is between 100V~240V.
2. Ensure the battery to be charged is a C-LiFePO4(C-Coated Lithium Iron
Phosphate Based) Battery Pack supplied by PMMC.
3. Make sure the power cord, battery cable, and battery terminals are in good condition.
4. Make sure the connecting battery rating is the same as the charger output voltage
(24V).
5. While charging, the charging indicator LED will display RED. When the light turns
GREEN, the battery is fully charged.
Charger LED Indication
1. LED (GREEN) – Power On, when not connected to the batteries.
2. LED (RED) – Charging
3. LED (GREEN) – Fully Charged, when connected to the batteries.
Trouble Shooting
1. If the LED light is “OFF” all the time while charging:
Check if the power connections are in good condition. If the LED light is still off all the
time while charging, the battery charger may have malfunctioned.
Please consult your authorized dealer for further assistance.
2. If the LED light does not switch from GREEN to RED when the charging process
begins:
Charging
Indicator LED
Charger Battery Pack