Jayco Seismic 2021 User manual

2021

Owner’s Manual

Fifth Wheel Toy Hauler

0223507.2021

A subsidiary of Thor Industries, Inc.

Table of Contents



Factory Tours 11

Options and Equipment 11

Dealer Responsibility 11

Customer Relations 11

To Contact Us 13

About This Manual 13

Warranty Packet 14

Safety Alerts 14

Reporting Safety Defects 15

Customer Responsibility 16

Change Of Address/Ownership 16

Suggestions For Obtaining Service 16

Obtaining Service For Separately Warranted Items 17

Obtaining Service At Our Customer Service Facility 17

Parts and Accessories 17



Secondary Means of Escape (Exit Window) 25

Exit Window Label

Fire Safety 26

Fire Extinguisher 26

Smoke Alarm 27

Combination Carbon Monoxide /Propane Alarm 28

Formaldehyde 32

Extended Or Full Time Usage 32

Cold Weather Usage 32

Condensation 32



Tow Vehicle 35

Vehicle Labels 35

Weight Terms 35

Weight and Capacity Labels 35

OCCC Label (yellow)

Federal Certication Label

Tire and Loading Information

Loading Your Recreation Vehicle 37

Cargo Carrying Accessory Receiver (if so equipped) 37

Rear Bumper 38

Fifth Wheel Pin Box (customer supplied) 38

Fifth Wheel Pin Box 39

Fifth Wheel Pin Box Height 39

Fifth Wheel Hitching Procedure 39

Wire Harness/Connector Plug 39

Weighing Your Tow Vehicle and RV 40



Towing 43

RV Brake System 44

Electric Brakes 44

Brake Controller (customer supplied) 45

Travel Trailer Breakaway Switch 45

Hydraulic Brakes (if so equipped) 45

Disc Brakes (if so equipped) 46

Towing Behind Your RV 46

2021 Jayco Seismic RevA: Revise page 15

Table of Contents

Entrance Door Step(s) 46

Stowable Entrance Door Step (if so equipped) 47

Entrance Door 48

Rear Backup Camera Prep 48

Campsite Hook-Up 49

LCI 3.0 Leveling System (if so equipped) 49

Auto Leveling Control Touch Pad 50

Auto Leveling Touch Pad 50

OneControl Touch Panel 51

OneControl App (for your phone or tablet) 51

OneControl Touch Panel

Linc Remote

Linc Remote Control 52

Troubleshooting 52

Stabilizer Jacks 53

Emergency Stopping 54

Emergency Towing 54

Wheel Lugs 54

Wheel Lug Nut Diagrams 55

Wheel Lug Nut Torque Values 56

Tires 57

Changing A Tire 59

Spare Tire Carrier (if so equipped) 59

Hoist Mount 59

Bracket Mount Travel Position

Hoist Mount Travel Position

Crank Access Port

Bumper Mount 60

Setting Up Your Recreation Vehicle 61

Travel Trailer Set Up 61

Fifth Wheel Set Up 61

Bumper Mount

Cargo Ramp Door 62

Cargo Ramp Transition Label

Manual Ramp Door 63

Automated Ramp Door (if so equipped) 64

Cargo Ramp Door Capacity 64

Loading the Cargo Area 64

Weight Distribution 65

Air Vents 66

Patio Deck - Rear (if so equipped) 67

Manual Ramp Door 67

Automated Ramp Door 67

Set up the Patio Deck (Automated Ramp Door) 67

Side Rail Setup for Manual and Automated Doors 68

Retractable Screen Wall (if so equipped) 68

Sliding Rear Screen Door (if so equipped) 69

Patio Deck – Side (if so equipped) 69

Awnings (if so equipped) 70

Awning Care 71

Electric Patio Awning With Remote Control 71

In Motion Detector (if so equipped) 71

Operating the Awning(s) 71

Table of Contents



Electric Slide Room(s) (if so equipped) 73

Slideout Overlap-Outside

General Slideout Troubleshooting Checklist 74

Flush Floor Slideout 74

Schwintek In-Wall Slideout System 76

Norco Slideout System 79

Power Gear Slideout System 80

Fig.1 Slideout Controller

Power Gear Slim Rack Slideout System 82

Power Gear Ram Slideout System 87



The Electrical System 89

In Case Of An Electrical Fire 89

Command Center 90

Command Center Panel

Command Center Panel w/Switch Modules

GFCI Receptacle 91

BMPro RVMaster System (if so equipped) 92

Testing The Campsite Power Connection 99

Inverter (if so equipped) 101

Power Converter 102

Converter with Charge Wizard (if so equipped) 103

12-Volt DC System 104

12-Volt Fuse Panel 104

Replacing A Fuse 104

12-Volt DC Outlet 105

Auxiliary Battery (customer supplied) 105

Dry Camping 105

Battery Disconnect Switches

Replacement and Maintenance 106

Battery Isolator For Your Tow Vehicle (customer supplied) 106

Battery Disconnect Switch (if so equipped) 106

Load Center 107

120-Volt Circuit Breakers 107

Typical Load Center Panel

Load Center Panel w/120 volt Main Breaker

Approximate Electrical Load Ratings 108

120-Volt 50 AMP AC Electric System (if so equipped) 109

Generator 110

50 amp Power Cord 110

Calculating 50 amp Electrical Load (if so equipped) 110

Solar Prep (if so equipped) 112

Solar Plug

Exterior Lights 113

Replacing Light Bulbs 113

Light Locations



Using the Fuel Station (if so equipped) 115

Automotive Fuel Safety 115

Before Dispensing Fuel Label

Flammable Liquid Label

Fuel Filler Cap 116

Table of Contents

Grounding Clip 116

Fuel Tank(s) (if so equipped) 116

Fuel Station (if so equipped) 117

Master/Emergency Disconnect Switch 117

Typical Fuel Pump Switch Locations on the Command Center

To Dispense Fuel 118

Fuel Gauge 119

Exhaust Gas Fumes 119

Fuel Gauge and Selector Switch

Propane Gas System 120

Propane Gas Container 121

Servicing or Filling 122

LP Gas Container Overll 122

Maintenance 123

Propane Cylinder Recertication 123

Hoses, Pipes, Tubes and Fittings 123

(label appearance may not be exact)

Propane Regulator 124

Propane Use and Safety 124

Propane System Label

Using the Propane System 125

Cooking With Propane Gas 125

Calculating Propane Gas Usage 126

Traveling With Propane 127

Installing Propane Cylinder(s) 127

Single Cylinder

Double Cylinder

Main Supply Hose

Two Propane Cylinders



Plumbing System 129

Plumbing System Maintenance 129

Monitor Panel 129

Monitor Panel

Command Center

Fresh Water System 131

Water Pressure Regulator (customer supplied) 131

Water Purication System (if so equipped) 132

Water Pump Strainer

Filter Housing

Draining The Fresh Water System 133

Exterior Fresh Water Drain

Uni-Dock Utility Center (if so equipped) 134

Low Point Drains

Potable Water Only Label

Sanitizing the Plumbing System 138

Winterizing the Plumbing System (With Utility Center): 142

Tank Style (Storage) Water Heater 142

Tankless (On Demand) Water Heater 142

Winterizing the Black Tank Flush: 144

Draining the Spray Port (if so equipped) 144

Winterizing the Spray Port with Antifreeze: 144

Winterize with Antifreeze Method 145

Winterizing the Macerator System (if so equipped) 146

Table of Contents

Water Heater 147

Operating Instructions 147

Water Heater Bypass 147

High Altitude Deration 147

Pressure and Temperature Relief Valve 148

Draining and Winterization 148

TRUMA® Tankless Water Heater (if so equipped) 149

Opening the Exterior Water Heater Panel 149

Filling the Water Heater 150

Turn Water Heater ON 150

Aqua Go Comfort Plus Models 151

Draining the Aqua Go Water Heater

Draining the Aqua Go Water Heater 152

Winterization 153

Outside Shower (if so equipped) 156

Faucets 156

Bathroom Tub / Shower 156

Black/Grey Water System and Tanks 157

Black and Grey Tank Drains 159

Black/Grey Tank Drain and Valves

Macerator Pump System (if so equipped) 160

Black Tank Flush (if so equipped) 161

Tank Heaters (if so equipped) 162

Toilet (if so equipped) 163



Air Conditioner 165

Roof Mount (if so equipped) 165

Wall Mount (if so equipped) 165

Heat Pump Operation (if so equipped) 165

Power Roof Vent (if so equipped) 165

Attic Fan Control

Furnace 166

Fireplace (if so equipped) 166



Microwave 167

Cooking Safety 167

In Case Of a Grease Fire 167

Cooktops, Range and Oven (if so equipped) 168

Cooking With Propane (if so equipped) 168

Gas BBQ Grill (if so equipped) 170

Attaching the “Quick Coupler” Connection 171

Quick Connect Coupler

Gas Grill and Mounting

Bracket on Support Rail

Range Hood (if so equipped) 172

Refrigerator 172

Range Hood Vent

Dishwasher (if so equipped) 174

Washer/Dryer Prep (if so equipped) 174

Dryer Vent Label

Vacuum Systems (if so equipped) 175

Water Heater – See Plumbing Section 175

Tailgater Camp Kitchen (if so equipped) 175

Quick Connect Coupler

Table of Contents



Winegard Air 360 Plus System (If So Equipped) 179

Opening the Router Box 180



Cleaning The Interior 183

Décor Glass (if so equipped) 183

Furniture Upholstery 183

Sleeper Sofa and Dinette 185

Convertible Sofa 185

Pantry or Hutch (if so equipped) 186

Countertops 187

Laminate Countertops (if so equipped) 187

Solid Surface Countertops (if so equipped) 187

Flooring 187

Carpet 187

Vinyl Flooring 187

Bed Storage 188

Prop Rod (if so equipped) 188

Gas Struts (if so equipped) 189

Power Bunk Bed (Cargo Bay) 189

Bed Operation 190

Loft Sleeping Area (if so equipped) 191



Cleaning The Exterior 193

Frame 195

E-Z Lube or Super-Lube Axle (if so equipped) 195

Exterior Roof and Sidewall Vents 195

Windows 196

Exterior Ladder (if so equipped) 196

Sealants 197

Toy Hauler - Sealant Diagram 198



Travel Checklist 199

RV Storage 200



Featured Components Quick Reference Chart 203

Vehicle Maintenance Record 205

Ownership Notication 206

Model Information: 206

New Owner Information: 206

Previous Owner Information: 206

Table of Contents

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Table of contents

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