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CONTENTS

 WELCOME!

We’re so pleased that you have chosen an OPUS Camper Trailer and we welcome you to the adventure lifestyle. Our goal is 

to help every customer push boundaries and explore further, to find and to foster that love for the great outdoors, and with 

the help of their Off-Road trailer as a base camp we hope to help our customers find their inner adventurer.  

We are committed to providing the highest level of customer service and so we’ve put together this user manual to help 

guide you through the process of learning about your new OPUS trailer. We strongly suggest that you review this manual in 

its entirety before using your new Opus Camper. Your dealership should be able to answer any questions you have and we 

are very happy to assist with any further questions that arise. Getting to know your new camper well and following the guide-

lines, instructions and warnings laid out in this manual will help to ensure that you get the most out of your camper and with 

considerate treatment and care it will be your companion for your camping adventures for years to come. We recommend 

that you keep this Owner’s Manual with your camper as a reference guide for when you are out on your adventures. If you 

need a digital copy of this manual please contact us at OPUS Camper USA and we would be happy to provide you with one.  

Here at OPUS we demand a high standard of build in our trailers; to ensure the highest quality our team follow a strict build 

and inspection process before delivery. Your dealership will also run their own inspection on the camper before it reaches 

you. We encourage you to take the time with your dealer when you collect your trailer to familiarize yourself with the camper 

and understand the tests that they have run to ensure that everything is working as it should. 

If you suspect your OPUS Camper is not working correctly, please contact your dealer to arrange an appointment. If you are 

traveling & experience a problem, please first contact your dealership before any repairs are carried out by a local indepen-

dent service department to ensure that you will still be covered under warranty.  Retain all invoices and documentation to 

allow for proper reimbursement through your dealer. For appliances, please refer to the appliance manual for support and 

warranty assistance. 

 

The OP4 trailer is designed for recreational use only. We would encourage you to familiarize yourself with the warranty for 

your trailer to ensure that your use falls in line with the intended usage covered under warranty. Usage outside of these 

terms could reduce or void your warranty. You will find the OPUS warranty information in the back of this user manual. Please 

be sure to follow up with your dealership to make sure they have completed and returned the required warranty registration 

form to activate your warranty.  

Please note that there may be differences in the products or design shown or described in this manual from your camper. 

This manual was correct at the time of publication however we promote an on-going improvement process within our builds 

and we reserve the right to change the construction or design at any time without the obligation to make these changes on 

previous manufactured trailers. If significant changes are made to the design or build of our models we will take the appro-

priate steps to update this manual accordingly for the benefit of our customers. Please contact the OPUS Camper USA team 

for a digital copy for our most up to date user manual.  

Should you have any questions about your OP4 trailer, no matter how small we are here to help. You can reach us at info@

opuscamper.us or call us on 925.215.7215.  

We hope you enjoy your OPUS Camper and we wish you many happy memories 

Sincerely, 

Contents

Page

My OPUS

4

Vehicle Identification Number (VIN)

5

Specifications

6

Dimensions

8

About Your Hitch

10

Wheels, Brakes & Tires

11

Control Panel

12

Quick Set-Up Guide

13

Setting Up Your OPUS

14

Packing Down Your OPUS

16

About Your AIR Tent

18

Slide Out Kitchen

20

Gas System 

22

Water System

24

Electrical System

26

Setting Up additional Bed Space

28

OP4 Optional Extras

29

Setting Up Your Annex

30

Care & Maintenance

35

Troubleshooting

43

Warranty

44

OPUS Accessories

46

Summary of Contents for OP4 2020

Page 1: ...O P 4 V 0 8 2 0 OPUS CAMPER 2 0 2 0 O W N E R S H A N D B O O K M O D E L O P 4...

Page 2: ...re carried out by a local indepen dent service department to ensure that you will still be covered under warranty Retain all invoices and documentation to allow for proper reimbursement through your d...

Page 3: ...tion Number VIN The VIN Plate can be found on the exterior of your OPUS to the left of the door VIN We recommend making a note of your VIN in the template as shown This will be required by insurance c...

Page 4: ...loy rim 235 75R15 Brake System 12v Electric Drum Brakes with additional E brake to assist with un hitching and trailer brake away system Lights LED dimmable foot well lights and individually switched...

Page 5: ...9 OP4 DIMENSIONS 8...

Page 6: ...your vehicle is both dangerous and illegal You can tell if your brakes are working properly by connecting the 7 pin plug starting the engine of the tow vehicle and then getting someone to listen to t...

Page 7: ...es running Do not take a reading when an appliance such as a fridge is running It will give a false reading Voltage may appear below 12 0 if the batteries are under load fridge is actively running The...

Page 8: ...remove locking pins and unfold the Cargo Rack and secure the locking pins back in place Un clip the spare wheel carrier and swing it down to the horizontal position taking care to support the weight...

Page 9: ...own to allow air to escape Twist open the triangle bolt latches to the maximum and push down on the bed lid so that the latches are over the hook Do not try to close the latches until you have done th...

Page 10: ...he right of the door The hose from the AIR compressor is threaded up through the cabinetry to the main AIR tent inlet valve The compressor is activated by the button on the control panel which also ha...

Page 11: ...chen fits into This pole is also adjustable We recommend using these support legs each time you set up the kitchen WARNINGS WARNING Ensure the spring bolt locking pins are locked in place AND that the...

Page 12: ...wer If a propane leak is suspected fully disconnect the propane tanks and make an appointment to have your OP15 serviced with your dealership Do not use any other gas systems than those provided with...

Page 13: ...t dial up and vice versa for cooler water 10 To activate the water flow slide the switch located on the shower head WARNING The Hot Water Shower is capable of producing scalding water temperatures Ple...

Page 14: ...usage and power hungry appliances will deplete the battery s charge quickly Inside the OPUS there are four 12v mini sockets These are for the 12v LED light strips There are two 12v outlets located a...

Page 15: ...ma screen simply use the handle to pull the screen up and use the supplied rubber bungee to attach the handle to the plastic hoop on the roof of the tent Please refer to the instructions included with...

Page 16: ...e to the receiving valve in the same way as in step 2 except you will need to thread the top of the valve on to the Cross Filling Tube before you push the tube on to the valve Twist the top of the val...

Page 17: ...right for higher heat and left for lower heat STEP 5 Turn the heater switch to on This is the toggle switch on the top of the thermostat Click it to the LEFT to turn it on STEP 6 You will hear the fan...

Page 18: ...appliance when required STEP 2 The thermostat control will show off in the bottom right corner of the display STEP 3 Turn off the A C breaker on the 120v control panel during storage NEW TRAILER MAIN...

Page 19: ...also experience depending on the weather and use condensation This should not be confused with leakage To reduce the risks of condensation please ensure your product is adequately ventilated Please n...

Page 20: ...something requires additional servicing 3 It is the responsibility of the OP4 owner to ensure all warranty work is completed by an approved OPUS dealership Failure to do so may result in incomplete or...

Page 21: ...ompletely depleted over long periods of storage which can cause your batteries to degrade faster Our advice for simplicity of use would be to leave the camper plugged in NOCO advertises that this is a...

Page 22: ...fitable to recycle How to prolong battery life Limit deep cycling Do not deep cycle starter battery Apply fully saturation charge Avoid heat Transport Flooded Class 8 restrictions provide corrosive la...

Page 23: ...the express written permission of OPUS Any affiliates representatives associates agents suppliers resellers or similar of OPUS shall have no authority to authorize or deny warranty claims on behalf o...

Page 24: ...l Pump for Air Tent 10 Draft Bug Excluders 11 Tent Corner Protectors 12 Radio Stereo CD Player 13 Speaker system 14 USB Ports 1 2 9 8 7 6 5 4 1 10 11 DRAFT AND BUG EXCLUDERS Use on four corners of mai...

Page 25: ...W W W O P U S C A M P E R U S...

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