Keystone RV Company

1/29/20

SERVICE ADVISORY # 20-370
Impact Slide Out Refrigerator
It has been determined that certain Keystone RV Impact models with Dometic Refrigerators
installed in the slide out do not have a ventilation fan installed which can lead to poor
refrigerator performance. The following procedure describes how to install the ventilation
fan.
Models Included:

2020 Impact Travel Trailers and Fifth Wheels

Models:

311, 332, 359

Serial Number Range:

LF815265 – LF815471

Parts Required:

1 – KRV # 588188 - Refrigerator - Fan Only - For 6/8Cu

Tools Required:

- Screw gun - 5/8” wrench -13/16”wrench

Note – Check serial number on Key Express to verify the campaign is open. Some vehicles were
repaired before they left Keystone.
When performing warranty or recall service, please make certain that appropriate Personal
Protective Equipment (PPE) is used.
REPAIR INSTRUCTIONS
Step 1
Locate the trailer on a level, flat, hard surface. Chock the wheels.
Step 2
Disconnect 120-volt power and 12-volt.
Step 3
On the main floor use a protective covering to prevent damage. Remove refrigerator using industry
standards and set refrigerator on main floor to access rear of appliance.
Step 4
Using the following Dometic instructions, install the ventilation fan.

SERVICE
INSTRUCTIONS

Power Ventilator Assembly
Model 3316331.000
For 6 & 8 Cu. Ft. Models

DOCUMENT SYMBOLS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
IMPORTANT SAFETY INSTRUCTIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
A. Recognize Safety Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
B. Understand Signal Words. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
C. Supplemental Directives. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
D. General Safety Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
GENERAL INFORMATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
INSTALLATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
A. Mounting The Fan Bracket. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
B. Mounting The Thermal Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
C. Connecting The Wire Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
D. Connecting The Fan Wires. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
E. Applying The Wiring Decal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

DOCUMENT SYMBOLS
Indicates additional information that is not related to physical injury.

Read these instructions carefully. These instructions MUST stay with this product.
Dometic Corporation reserves the right to modify product appearances and specifications without notice.
REVISION A
Form No. 3316329.000 02/17
(French 3316330.000_A)
©2017 Dometic Corporation
LaGrange, IN 46761

USA
SERVICE OFFICE
Dometic Corporation
1120 North Main Street
Elkhart, IN 46514

CANADA
Dometic Corporation
46 Zatonski, Unit 3
Brantford, ON N3T 5L8
CANADA

SERVICE CENTER &
DEALER LOCATIONS
Visit:
www.eDometic.com

IMPORTANT SAFETY INSTRUCTIONS
This manual has safety information and instructions to help you eliminate or reduce the risk of accidents and injuries.

A. Recognize Safety Information
This

is the safety alert symbol. It is used to alert you to potential physical injury hazards. Obey all safety messages that
follow this symbol to avoid possible injury or death.

B. Understand Signal Words
A signal word will identify safety messages and property damage messages, and will indicate the degree or level of hazard
seriousness.
indicates a hazardous situation that, if NOT avoided, could result in death or serious injury.

indicates a hazardous situation that, if NOT avoided, could result in minor or moderate injury.

is used to address practices NOT related to physical injury.

C. Supplemental Directives
Read

and follow all safety information and instructions to avoid possible injury or death.
Read and understand these instructions before [installation / use / service / maintenance of] this product.
Incorrect [installation / operation / service / maintenance] of this product can lead to serious injury.
The installation MUST comply with all applicable local or national codes, including the latest edition of the following
standards:
U.S.A.

CANADA

• ANSI/NFPA70, National Electrical Code (NEC)

• CSA C22.1, Parts l & ll, Canadian Electrical Code

• ANSI/NFPA 1192, Recreational Vehicles Code

• CSA Z240 RV Series, Recreational Vehicles

• Title 24 CFR, Part 3280, Manufactured Home Construction and Safety Standard

• CSA Z240.4, Gas-Equipped Recreational Vehicles
and Mobile Housing

• National Fuel Gas Code, ANSI Z223.1/NFPA 54

• CSA B149.1, Natural Gas and Propane Installation
Code

D. General Safety Messages
Failure to obey the following warnings could result in death or serious injury:
• This product MUST be [installed / serviced] by a qualified service technician.

• Do NOT modify this product beyond the scope of these service instructions. Modification (beyond these service instructions) can be extremely hazardous.

GENERAL INFORMATION
INCLUDED HARDWARE
(1) 385118301 Fan, 12 VDC

(2) 385808901 Screw, EML, 5 x 10 mm

(1) 385139001 Fan Bracket

(1) 385801902 Cable Tie

(1) 385030606 Thermal Switch, Fan

(1) 295459901 Wire Assembly

(1) 385008502 Fused Wire Assembly, 3A

(2) 385800214 Screw, RXS, 3.5 x 9.5 mm

(2) 385800220 Screw, RXS, 4.2 x 9.5 mm

(1) 3105433.001 Wiring Decal, Fan

2

INSTALLATION
A. Mounting The Fan Bracket
Disconnect the positive (+) 12 Vdc terminal from supply battery. Otherwise, damage to unit could occur.
FIG. 1

FIG. 2
5 x 10 mm Screw
4.2 x 9.5 mm
Screw

Fan

4.2 x 9.5 mm
Screw

Fan Bracket
Fan

Fan Bracket

1. Mount the fan to the fan bracket along the left set of
holes using the 5 x 10 mm screws. In this position, the
fan blows air in an upward direction.

2. Mount the fan bracket with fan to the back of the
refrigerator using the 4.2 x 9.5 mm screws.

B. Mounting The Thermal Switch
FIG. 3

Fin

3.5 x 9.5 mm Screw

Thermal Switch

• Mount the thermal switch to the fin using the 3.5 x
9.5 mm screws.

C. Connecting The Wire Assembly
FIG. 4

FIG. 5

Fan Wire

Thermal
Switch

Fan
Wire Assembly

Red Wire

1. Connect the wire assembly to the fan wire.

2. Connect the red wire from the wire assembly and the red
fused wire assembly to the thermal switch.

3

INSTALLATION
D. Connecting The Fan Wires
FIG. 6

FIG. 7

Cable Tie

Black Wire

Fan Bracket
Black Wire

Wire Assembly

Ground Stud

Fan

1. Secure the fan wires to the fan bracket with a cable tie.

2. Connect the black wire to the ground stud.

E. Applying The Wiring Decal
FIG. 8
Red Wire
To + Side

Top View

FIG. 9

Red Wire
(Fused Wire
Assembly)

Fan

Wiring Decal

12V Terminal
Block
3. Connect the red fused wire assembly to the 12V terminal
block.
4. Secure all wires as necessary.

1. Place the wiring decal on the back of the refrigerator
near the fan location.

4

Service Advisory 20-370

Page 6 of 6

Step 5
Reinstall refrigerator using industry standards and perform drop pressure test on propane gas system.
WARRANTY REIMBURSEMENT
Submit a claim on Key Express using Flat Rate Code # 7137042K with Service Advisory # 20-370
noted in the customer complaint section. The amount of time authorized for installation is 2.0 hours
per vehicle.
Please call Keystone RV Customer Service at (866) 273-1452 if you have any questions.