Atwood Mobile Products Mpd 87903 Users Manual

MPD 87903 MPD 87974Atwood

MPD 87903 to the manual 937e8255-44b8-4a4c-9f3d-3a11308bac4a

2015-02-06

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literature number

MPD 87974

WIRELESS

Remote Control
ENGLISH	

	

•Installation •Operation •Maintenance
Safety alert symbols

be advised to turn off your vehicle engine.

S
 afety Symbols alerting you to potential personal safety hazards.
Obey all safety messages following these symbols.

	 m warning	
	
	

avoid possible	
injury or death	

installation

m caution

m caution		

product damage

avoid possible		
injury and/or property damage

•

Refer to MPD 87903 and 71125 for complete installation, operation and
maintenance instructions for camper jacks and landing gear respectively.
For your safety
read all instructions before operating
Installer:	
Provide these instructions to the consumer.
Consumer:	Keep documents for future reference.
Our remote control is designed for use only with Electric Ball Screw Truck
Camper Jacks (EBSTCJ) equipped for remote control capability and Atwood
Landing Gears. Atwood makes two types of EBSTCJ; one with remote
capability and one without; they are not interchangeable.

4 is overhead view of a pickup camper with power relay
 odule shown flat for clarity. fig 5 is overhead view of 5th wheel trailer.
m
1. Install the power relay module in a clean, dry interior area protected
from moisture. Use the four (4) 1/4˝ diameter holes for mounting the
module relay (K). Position the base on the mounting surface and
secure it using appropriate hardware for the wall material. Orient
antennae straight away from base. Permanently secure antenna to
mounting surface with appropriate hardware. Mount the base RF
receiver unit (K) in the selected target location. Take care to ensure
that the antenna on the board is not located next to other electrical
wiring which could interfere with operation. Take care to ensure that
the target location has good RF reception (avoid “faraday cage”
scenarios, i.e. metal box).

m warning

•
•
•

m caution

To deactivate the wireless system when you are finished hold down
the power-select on the remote until the LED turns off.
Only operate jack system when camper or trailer is unoccupied.
Store remote in a secure place, away from access by children.
Remove the battery from the handheld remote before storing to
prevent accidental jack activation or continuous remote transmission.
If the remote is continuously activated by a jammed or shorted button,
operation of other remote devices such as vehicle keyless entry systems
and/or garage door openers may be interfered with or prevented.

SPECIFICATIONS:
description	
Channels:	
Frequency:	
Operating Temperature Range:	
Power Source:	
Weight:	

product damage
•

Correct polarity must be observed as noted on the circuit board
 ext to 5 & 4-H. The unit will not function if the input power is installed
n
in reverse polarity. See fig 5 & 4.

	
A -	Driver Front Jack or Leg	
	
B -	Passenger Front Jack or Leg	
	
C -	Driver Rear Jack or Leveleg	
	
D -	Passenger Rear Jack or Leveleg	
	
E -	 s40 AMP Circuit Breaker	
		 sFor all camper jacks 	
		 or 60 AMP resetable 	
		 circuit breaker for 	
		 8AWG battery wire.	
	
F -	Red (-) Motor Gear Box Lead	
	
G -	Yellow (+) Motor Gear Box Lead	
			

specifications
1
315 MHz
-20oC to 120oC
9-volt alkaline battery
4.0 ounces

H -	Input Power Terminal Block
I -	 Output Jack
J -	 Flat Cable
K -	 Relay Module (RF receiver)
L -	 Antenna
M -	Male Connector
N -	Female Connector
O -	30 AMP Fuses
P -	 Remote
Q -	Activation Switch
R - 	Audio Cable
S -	 Flat Cable Outlet

2. s upply power to unit: The unit operates from a +12 VDC battery and must
be supplied through a 40 AMP circuit breaker (fig 4E & 5-E). Route the
#8 AWG, +12 VDC from the circuit breaker and the ground wiring, to the
terminal block (fig 4H & 5-H).Terminate the wires in the labeled positions.
3. Route the two #10 AWG wires from each jack to the terminal block 4-I
& 5-I. Refer to the labels next to each terminal position for driver front,
passenger front, driver rear, and passenger rear jacks. Connect the
wires for each jack.
4. Install the Activation Switch near the floor just inside the door of the
pickup camper or in an outside compartment of the fifth wheel. Plug the
flat cable (fig J) into the left side of the power relay module (fig 4 & 5-S)
and route to the location of the activation switch (fig 4 & 5-Q). Plug other
end of the cable into the back side of the activation switch. Connect the
optional accessory harnesses (controlling up to two additional motor
outputs) to their associated connector on the base receiver. Any use of
the accessory ports needs to be approved in advance by the manufacture
of the accessory. Connect the power harness to the base receiver. Take

You do not need an FCC license to operate the wireless remote. However, any
changes or modifications to the device will void the user’s authority to operate
the equipment.

m warning
explosion

•

Failure to orient antennae properly will result in intermittent
operation of the wireless remote system.

note:

FCC Compliance Statement - Remote Control P/N 80430
This device complies with Part 15 of the FCC Rules. Operation is subject
to the following two conditions: (1) this device may not cause harmful
interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation.

•

Disconnect power to the power relay module prior to HiPot testing
of the camper or the microprocessor will be damaged.

note: fig

Personal injury & product damage
•

Effective 6/30/09

 o avoid possible interference with blasting operations, do not use
T
your remote near electrical blasting caps or in a blasting area or in areas
posted: turn off two-way radio. Obey all signs and instructions.
Do not use the remote near explosive atmospheres.

Explosive atmospheres are often, but not always, clearly marked. They
include fueling areas, fuel or chemical transfer or storage facilities:
areas where the air contains chemicals or particles, such as grain,
dust, or metal powders, and any other area where you would normally

1

care not to apply power to the motor/accessory connectors, as they
utilize the same connector. Doing so will void the unit’s warranty.

m caution

set up of wireless remote

product damage

m warning

•

personal injury & product damage

•

•

 o not replace or charge batteries in a potentially explosive
D
atmosphere. Contact sparking may occur while installing or removing
batteries and cause an explosion.
All batteries can cause property damage and/or bodily injury such
as burns if a conductive material such as jewelry, keys or beaded
chains touches exposed terminals. The material may complete an
electrical circuit (short circuit) and become quite hot. Exercise care
in handling any charged battery, particularly when placing it inside a
pocket, purse or other container with metal objects.

Do not over-extend or over-retract jacks. The electric jack has an
internal slip clutch to help prevent damage; when clicking sound is
heard, release switch. Continuing to hold the switch will wear out the
slip clutch or cause damage to the motor.

Truck Camper

To lift
extend front
jacks first	

		

	

Extend front jacks so camper is 4˝ higher in
front than in the rear. (fig 2).

Press and hold
Extends single jack.
Press and hold.
Retracts single jack.

extend all jacks	


Once
the camper front is higher than the rear,
press and hold the all jacks button, extend
(
). Release when the camper is at the
proper height.
individual jack 	
Use the individual jacks buttons to adjust an
adjustment	individual jack. note: A maximum of two
individual jacks can be operated at any time.
Press and hold the extend or release buttons
for the individual jacks as needed to keep the
front of the camper 4˝ higher than the rear,
to prevent tipping over the camper. Keep all
corners within 4˝ of level with each other.

remote battery installation:
1. Firmly slide battery cover (remote back) down to remove.
	
NOTE: The audio cable can optionally be used to power the 		
	
transmitter directly from the switch assembly.
2. Insert one 9V battery.
3. Replace the battery cover and slide up until secure.
The battery type is 9V alkaline battery which will provide approximately
45 minutes of continuous use.

Press and hold
Extends single jack.

Press and hold.
Retracts single jack.

OPERATION

m warning

camper can tip over

•
•
•
•

m caution

S
 andy/soft/spongy ground may cause jacks to sink; camper may tip over.
Jack must be on firm solid ground prior to operation.
Insure area below and around jack is clear of obstructions.
Do not place blocks under the jack for additional ground clearance.
Always keep the front of camper higher than or equal to the rear
of the camper. Never allow either side or end of camper to be more
than 4˝ out of level (fig 2 and 3).

Personal injury & product damage
•D
 o not enter camper after it is removed from truck until it is
lowered to its lowest position. This will minimize sway which could
cause structural damage to the camper, jacks or injury to persons.

1. Remove the hand held remote control from its secure compartment.
2. Reinstall battery.
3. Unit is in a low power sleep mode when not in use. To activate the
unit, press the “WAKE” button on the switch assembly. The unit
will awaken and the red ACTIVE LED will illuminate. The unit will
automatically deactivate and enter sleep mode 10 minutes after the
last operation of the system.
4. When finished, the LED on the activation switch must not be lit.
5. Activate the RF transmitter by pressing the POWER+SELECT button.
The transmitter will power up and indicate the green LED.
6. The transmitter can be used to control either JACKS or
ACCESSORIES. When the green LED is active, the transmitter is
controlling JACKS. When the yellow LED is active, the system is
controlling the accessory motors.
7. When controlling jacks, the following operations are possible.
	
•	 Extension or retraction of an individual jack.
	
•	 Extension or retraction of all 4 jacks.
	
•	 Paired operation - adjacent jacks can be operated simultaneously 	
		 by holding down two jack buttons.
8. When controlling accessories, only one accessory may be powered at
a time. Multiple accessory button presses are ignored.

To Lower
retract rear jacks
Press and hold
Extends single jack.

first	

	

Press and hold.
Retracts single jack.

Retract rear jacks so camper is 4˝ lower in
rear than in the front. (fig 3).

retract all jacks	Once

the camper has the rear lower than the
front, press and hold the all jacks button,
retract (
). Release when the camper is at
the proper height.

individual jack

	

Use the individual jacks buttons to adjust an
jack. note: A maximum of two individual
jacks can be operated at one time. Keep all
corners within 4˝ of level with each other.

adjustment	individual
Press and hold
Extends single jack.

Press and hold.
Retracts single jack.

 emoving Camper from Truck
R
Disconnect electrical connection between camper and truck (refer to
your camper operation instructions or contact the camper manufacturer
for more information). Follow the instructions from the “to lift” or “to
lower truck camper” sections and fig 2 and 3. Raise camper until bottom
of camper clears truck bed. Slowly drive truck from underneath camper.
Lower camper to lowest possible position without any part of camper
touching the ground.

OPERATION:
Associate the transmitter with the base receiver:
	 •	 Power the system by pressing the WAKE button on the activation 	
		 switch (Q). The red ACTIVE LED should blink 2 flashes with a 		
		 pause. This indicates that the system is in the default shipment
		 state, and has no RF transmitter associated with it.
	 •	 Power the RF transmitter by pressing the POWER+SELECT button. 	
		 The green LED on the transmitter will illuminate. The transmitter will 	
		 remain powered for 1 minute.
	 •	 Hold down the WAKE button on the activation switch (Q) for 10 		
		 seconds. The system will enter LEARN TRANSMITTER mode which 	
		 is indicated by the red ACTIVE LED flashing quickly. In this mode, 	
		 the base receiver will associate itself with the next transmitter that is 	
		 received.
	 •	 Press any jack button on the transmitter. The base unit will see the
		 transmitter and associate itself with it. At this point, the red LED
		 should be on solid, and the blue LED will indicate detection of 		
		 transmitter RF signal.

Loading camper on Truck

Following the instructions “to lift” or “to lower” truck camper sections
and fig 2 and 3, raise camper high enough to clear truck bed. Carefully
back truck under camper making sure not to damage any portion of the
camper or jacks. Camper should be centered in truck bed with front
of camper as far forward in truck bed as possible. Attach electrical
connections between truck and camper, (refer to your camper operating
instructions or contact the camper manufacturer for further information).
Lower camper into truck bed, then fully retract all jacks.
Manual Override Operation: To manually extend or retract jack, unplug jack
from camper to disable the jack motor’s dynamic brake. Place manual
override handle (fig 1-A) into alignment tube (fig 1-B) and engage drive
pin. Rotate handle counter-clockwise to raise or clockwise to lower
camper. Plug the jack back into camper to activate the jack motor’s
dynamic brake.

2

PICKUP CAMPERS
4" (10.16 cm)
B

RED ACTIVE
LED

A

BLUE RF
LED

2

1

Q

3
P

5

5th WHEEL TRAILERS
FRONT

MOUNTING HOLE (x4)

MOUNTING HOLE (x4)

K

D

PR

C

+

DF

–

+

E

B

+
–

DR

I

I

Q

–
+

–

DOOR

I+

G

A

I

I+

F

F
S

I

F

B

G

+
–

I

–

C

D

+

+

–

–

+

I

G

S

Q

G

D

H

R

C

J

F(-)

M

M

N

N
F(-)

G(+)

E

4

–

F

H

DOOR

B

–
+

DR

+

C

A

G

–

–

K

PF

DF

A

B

PF

L

A

PR

L

5TH WHEEL
REAR

3

G(+)

D

troubleshooting

Department. Warranty replacement hardware systems and components
or parts will be furnished freight prepaid labor cost to repair or replace
will be limited to the amount of the original purchase price of the systems
and components. The replaced warranty products or parts become
the property of Atwood Mobile Products and must be returned to the
Atwood Consumer Service Department freight prepaid, unless prior
arrangements have been made.
3. This limited warrant is valid only when the product is applied, installed,
maintained and operated in accordance with this Atwood Installation
Maintenance and Operating Manual. Any deviation from these
recommended specifications must be approved in writing by Atwood.
4. A
 ny implied warranties arising by way of State Law, including any
implied warranty of merchantability and any implied warranty of fitness
for a particular purpose are limited in duration to the term of this Limited
Warranty. Atwood makes no further warranty of any nature beyond this
Limited Warranty. No person has authority to enlarge, amend or modify this
Limited Warranty.
5. Any action to enforce this warranty shall not be commenced more than
one (1) year after the expiration of this warranty.	

If all or any of the jacks or landing legs fail to operate:
1. Check whether the 12VDC battery is fully charged. You may need to recharge it.
2. Check that the camper jack cords are securely plugged into the exterior
sockets. You may need to pull a plug out and replug it.
3. If the motor will not extend/retract the jack and the motor is making a
ratcheting sound (clutch slipping), do not use the manual override. Immediately
contact an Atwood Service Center and have jack replaced. Do not use the jack
until replaced.
4. Assure the activation switch is turned on. The LED on the switch pad should be lit.
5. Check that you are within 20 feet of the camper.
6. Replace the 9V battery or plug the audio cable (R) into the side of the remote
(P) and the opposite end into the front of the activation switch (Q).
7. Check that the battery terminals are clean and have no corrosion.
8. Look to see if other radio frequency devices such as an automobile key fob,
cellular phone, TV remote control, are operating within range of your remote.
These devices will make the jacks pause. Lift your finger from the button on the
remote and re-press the button. Also the audio cable can carry the signal, plug
the audio cable (R) into the side of the remote (P) and the opposite end into
the front of the activation switch.
If the jacks keep running, hold down the power-select on the remote until the LED
turns off. This will shut the power off to the jacks. If not, unplug the jack(s) from
its (their) exterior socket(s).

REMOTE ACTIVATION SWITCH

•	 Red ACTIVE LED	
	 •	 SOLID - system is active and ready for operation
	 •	 OFF - system is in sleep mode
	 •	 Fast continuous blinking - system is in LEARN TRANSMITTER mode
	 •	 1x blink with pause - low voltage detected - no operation allowed
	 •	 2x blink with pause - no transmitter is associated with the base unit
		 (shipment mode). A transmitter must be associated with the base
		 unit before operation is allowed. See installation section.
•	 Blue RF LED	
	 •	 SOLID - indicates presence of clean RF signal from associated
		 transmitter
	 •	 Blinking - indicates RF interference from another transmitter (more
		 than 1 transmitter is operating nearby)
	 •	 OFF - no RF signal detected

MAINTENANCE

1. To clean the remote, wipe with a soft cloth dampened with water. Don’t use
cleaners or solvents on the remote, they can harm the body and leak inside,
causing permanent damage. Battery contacts may be wiped with a dry, lint-free
cloth.
2. If the remote gets wet, remove batteries immediately. Dry battery compartment
with a soft cloth to minimize potential water damage. Leave cover off the battery
compartment overnight or until completely dry. Do not use the remote until
completely dry.
3. If power relay module gets wet, turn off circuit breaker to the unit. Allow unit to
fully dry before attempting to use it.
4. If it is not possible to get jack to operate freely, replace jack.
5. Should problems or questions arise, contact your dealer, the camper manufacturer,
or the Atwood Service Department (866) 869-3118.
6. The ball screw jacks and remote controls have a two year warranty as written in
this manual. For more warranty information contact Atwood before having any work
done.

Atwood Limited Warranty

Atwood Mobile Products warrants to the retail owner and subject to the
below mentioned conditions, that this product will be free of defects in
material or workmanship for a period of two years from the original date
of purchase. Atwood’s liability hereunder is limited to the replacement of
the product, repair of the product, or replacement of the product with a
reconditioned product at the discretion of the manufacturer. This warranty
is void if the product has been damaged by accident, unreasonable use,
neglect, tampering or other causes not arising from defects in material or
workmanship. This warranty extends to the original owner of the product
only and is subject to the following conditions:
1. For two (2) years commencing with the date of purchase, Atwood
will provide the replacement or repair of any Hardware System and
Components that are found to be defective by Atwood in material or
workmanship.
2. In the event of a warranty claim, the original owner must contact the
Atwood Consumer Service Department, 1120 North Main, Elkhart,
IN 46514 USA. Phone: (866-869-3118). Warranty Claim Service
must be performed as approved by the Atwood Consumer Service

4



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