Desa CB36N User manual

VENTED GAS FIREPLACE

INSTALLATION AND OWNER’S OPERATION MANUAL

4" B-VENT DECORATIVE GAS FIREPLACES

MODELS

(V)CB36N(E) AND (V)CB36P(E)

WARNING: If the information in this manual is not

followed exactly, a re or explosion may result causing

property damage, personal injury or loss of life.

— Do not store or use gasoline or other ammable

vapors and liquids in the vicinity of this or any other

appliance.

— WHAT TO DO IF YOU SMELL GAS

• Do not try to light any appliance.

• Do not touch any electrical switch; do not use any

phone in your building.

• Immediately call your gas supplier from a neighbor’s

phone. Follow the gas supplier’s instructions.

• If you cannot reach your gas supplier, call the re

department.

— Installation and service must be performed by a quali-

ed installer, service agency or the gas supplier.

INSTALLER: Leave this manual with the appliance

CONSUMER: Retain this manual for future reference.

For more information, visit www.desatech.com

www.desatech.com 117437-01D2

WARNING: Improper

installation, adjustment,

alteration, service or

maintenance can cause

injury or property dam-

age. Refer to this manual

for correct installation

and operational proce-

dures. For assistance or

additional information

consult a qualified in-

staller, service agency or

the gas supplier.

This appliance may be in-

stalled in an aftermarket,*

permanently located,

manufactured (mobile)

home, where not prohib-

ited by local codes.

This appliance is only for

use with the type of gas

indicated on the rating

plate. This appliance is

not convertible for use

with other gases.

* Aftermarket: Completion of sale, not for

purpose of resale, from the manufacturer

WARNING: This product

contains and/or generates

chemicals known to the State

of California to cause cancer or

birth defects or other reproduc-

tive harm.

IMPORTANT: Read this owner’s

manual carefully and completely

before trying to assemble, op-

erate or service this replace.

Improper use of this replace

can cause serious injury or death

from burns, fire, explosion,

electrical shock and carbon

monoxide poisoning.

DANGER: Carbon monoxide

poisoning may lead to death!

SAFETy

TABLE OF CONTENTS

Safety .................................................................. 2

........................................... 4

Local Codes......................................................... 4

Product Features................................................. 5

Pre-Installation Preparation................................. 5

Installation Precautions ....................................... 9

Venting Installation .............................................. 9

Installing Optional Controls................................ 12

Fireplace Installation.......................................... 15

Operating Fireplace........................................... 20

Inspecting Burners............................................. 23

Cleaning and Maintenance................................ 24

 .................................................... 25

Service Hints ..................................................... 25

Technical Services............................................. 25

Troubleshooting................................................. 26

Replacement Parts............................................ 31

Accessories ....................................................... 31

Parts .................................................................. 32

Warranty ..............................................Back Cover

State of Massachusetts:

The installation must

be made by a licensed

plumber or gas tter in

the Commonwealth of

Massachusetts.

www.desatech.com

117437-01D 3

Due to high temperatures, the

appliance should be located out

of trafc and away from furniture

and draperies.

Do not place clothing or other

ammable material on or near

the appliance. Never place any

objects on or around replace.

Fireplace reaches high tempera-

tures. Keep children and adults

away from hot surface to avoid

burns or clothing ignition. Fire-

place will remain hot for a time

after shutdown. Allow surfaces

to cool before touching.

Do not operate replace with

glass door removed, cracked

or broken.

Carefully supervise young chil-

dren when they are in the room

with the replace.

Keep the appliance area clear

and free from combustible ma-

terials, gasoline and other am-

mable vapors and liquids.

This product is intended only

as a supplement to your central

heating system and is not to be

installed as a primary source of

heat. You may use this product

for emergency heating during a

power outage.

1. This appliance is only for use with the type

of gas indicated on the rating plate. This

appliance is not convertible for use with



2. Do not place propane/LP supply tank(s)

inside any structure. Locate propane/LP

supply tank(s) outdoors (propane/LP

units only).

SAFETy

Continued



will not produce any gas leakage into your home

      

-

vice person. If this unit is not properly installed



monoxide leakage (spillage) can occur.

Carbon Monoxide Poisoning: Early signs of



 

       

working properly. Get fresh air at once! Have

-

fected by carbon monoxide than others. These



-

ence of alcohol and those at high altitudes.

Natural and Propane/LP Gas: Natural and

propane/LP gases are odorless.An odor-mak-

ing agent is added to these gases. The odor

       

odor added to the gas can fade. Gas may be

present even though no odor exists.

Make certain you read and understand all

warnings. Keep this manual for reference. It

is your guide to safe and proper operation of

this heater.

WARNING: Any change to

this replace or its controls can

be dangerous.

WARNING: Do not use a blow-

er insert, heat exchanger insert

or other accessory not approved

for use with this replace.

WARNING: Do not allow fans

to blow directly into the replace.

Avoid any drafts that alter burner

ame patterns. Ceiling fans can

create drafts that alter burner

ame patterns. Altered burner

patterns can cause sooting.

www.desatech.com 117437-01D4

3. If you smell gas

• shut off gas supply

• do not try to light any appliance

• do not touch any electrical switch; do not

use any phone in your building

• immediately call your gas supplier from

a neighbor’s phone. Follow the gas

supplier’s instructions

      



 

• in a recreational vehicle

• in windy or drafty areas where curtains







       

circumstances. Any parts removed for

servicing must be replaced prior to operat-



6. Turn fireplace off and let cool before

     

    



     

burners and circulating air passages

clean. More frequent cleaning may be

needed due to excessive lint and dust

    

Turn off the gas valve and pilot light before



SAFETy

Continued

Figure 1 - B-Vent Fireplace

PRODUCT

IDENTIFICATION

Top Louver Panel

Glass

Door

Assembly

Bottom

Louver

Panel

Junction Box

(Electronic

Ignition Only)

Control

Valve Ember Tray

Log Set

Nailing

Flange

4" B-Vent

Flue Collar

 -





repaired. See Cleaning and Maintenance

page 24.

 



-



only gas type indicated on nameplate.



electrically grounded in accordance with

       

   National Electric Code,

ANSI/NFPA 70, or the Canadian Electric

Code, CSA C22.1.



exposed to or under water. Immediately

      -

range for replacement of the unit.

-

ken or missing.

    

not use propane/LP fuel tank of less than

100 lb. (45 kg) capacity (propane/LP

units only).

15. Provide adequate clearances around air

openings.

LOCAL CODES



     

use the latest edition of The National Fuel

Gas Code ANSI Z223.1/NFPA 54*

the current CSA-B149.1 Installation Code

(Canada).

*Available from:



1430 Broadway





Batterymarch Park



www.desatech.com

117437-01D 5

PRODUCT FEATURES

These are a few facts that can help you un-

     



• The (V)CB36N(E) and (V)CB36P(E) series

     





installation.

• Models (V)CB36N and (V)CB36P are

equipped with a millivolt gas control system

that does not require electricity to operate.



without using matches or lighters.

• Models (V)CB36N(E) and (V)CB36P(E)

are equipped with an electronic ignition

system that requires 120 VAC to operate.

An electrode ignitor automatically lights the



 

4" B-Type venting system and must be

terminated vertically through the roof using

Through exterior wall

enclosed in a chase

Corner

Installation

Flush with a wall

Figure 2 - Common Fireplace Locations

25"

(63.5 cm)

36"

(91.4 cm)

36"

(91.4 cm)

Figure 3 - Fireplace Bottom Dimensions

a listed type vent cap only. See venting

instructions starting on page 8 for proper

venting requirements.

 

for combustion and must be installed in a



fresh air for safe and proper operation. The

room intended for installation must be of

     



National Fuel Gas Code, ANSI Z223.1/

NFPA 54, Air for Combustion and Ventila-

tion

available a makeup air kit model AK4 may

be required to provide outside air to this

appliance. Check your local codes as to



 

of the house provided all local codes and

these installation instructions are followed.

PRE-INSTALLATION PREPARATION

LOCATION AND SPACE

REqUIREMENTS

-



      

studs are not in the way of the venting system.

Choose a location where the heat output is



windows or doors. Figure 2 shows some com-

mon locations. Be aware of all restrictions and

precautions before deciding the exact location





follow these rules:

 





 





• Proper clearances must be maintained.

 

-



metal or wood panel extending the full width



 

LLC shall be used in the installation of this

Accessories

• Do not install aftermarket vent dampers.

Manual or automatic vent dampers are not

approved for use with this appliance.

www.desatech.com 117437-01D6

        



material can be placed directly against any





Clear-

ances.

 



an already existing framing member.

• A hearth extension is not required with



aesthetic purposes only and does not have

to meet standard requirements for hearth

extensions.

• If you plan on installing a television or

entertainment center recessed above your

-

tain a minimum 18" (45.7 cm) above the top

of louver opening.

 -

portant to observe the minimum vent height



Venting Installation Instructions

• Do not recess termination cap into a wall

or siding.

• You may paint the termination cap with 450°

F (232° C) heat resistant paint to coordinate



PACKAGING AND REMOVAL



are packaged with the following items:

• one box containing a 4 piece log set located



• one bag containing the owner’s manual

   



• one bag of glowing ember material.

• one bag of vermiculite hearth treatments.

1. Remove shrink wrap securing 2 carton

trays to unit.

2. Lift top carton tray off and remove four

corner posts.

3. Discard bottom tray once unit is moved

into position.

Note: To prevent damage to ceramic logs and

glass panels you may want to remove them

before positioning and framing the unit. To

access rebox, see Louver Panels and Glass

Door, page 17.

PRE-INSTALLATION PREPARATION

Continued

CLEARANCES

Minimum clearances to combustibles for





0" (0 mm)

Perpendicular walls 10" (25.4 cm)

Ceiling to Louver & Front 36" (91.4 cm)

B-Vent Surfaces 1" (26 mm) (See venting



on vent clearances.)

Mantel Clearances (See Mantel Clearances,

-

ances to combustible

mantels.)

Combustible material with a maximum thick-





FRAMING AND FINISHING





corner installation. All minimum clearances

must be met.

     -



7 on page 7.

     

see Accessories





clearances. You can install a noncombustible

mantel at any height above the fireplace

opening.

Note: Noncombustible mantels may discolor!

Figure 4 - Unpacking Fireplace

Carton

Tray

Glass

Panel

Log

Carton

Corner

Post

www.desatech.com

117437-01D 7

Figure 5 - Framing Clearances for Flush

Wall Installation

36"

(91.4 cm)

36 1/4"

(92.1 cm) 14 3/4"

(37.5 cm)

Figure 6 - Framing Clearances for Corner

Installation

28 5/8"

(72.7 cm)

21" (53.3 cm)

To Center of

Top Vent

14 3/4"

(37.5 cm)

14 3/4" (37.5 cm)

to Nailing

Flanges

56 3/4"

(144 cm)

12 1/4"

(31 cm)

to Opening

PRE-INSTALLATION PREPARATION

Continued

Figure 7 - Unit Dimensions

14 3/4" (37.5 cm)

to Nailing Flanges

7 7/8" (20 cm) to

Center of 4" B-Vent

5 7/8"

(15 cm) to

Nailing

Flange

36 1/4" (92.1 cm)

to Nailing Flange

36 1/4" (92.1 cm)

Face Dimensions

1 1/2" (3.8 cm)

2 1/2" (6.4 cm)

6" (15.2 cm)

5/8"

(16 mm)

11 1/8"

(28.3 cm)

Air Kit Location

1 1/4"

(3.2 cm)

(5.1 cm)

38"

(96.5 cm)

15 3/8"

(39 cm)

36" (91.4 cm)

Face Dimensions

37" (94 cm)

to Nailing Flange

35 3/4"

(90.8 cm)

4 1/2" (11.4 cm) Electrical Inlet

36 3/4" (93.4 cm)

Wall Switch

Wireway Wall Switch

Wireway

8" (20.3 cm)

Gas Supply

Inlet

**These dimensions allow for 1" clearance at



is also permitted at all sides when framed.

www.desatech.com 117437-01D8

Figure 9 - Clearances for Combustible

Mantels

Figure 8 - Side Clearances for

Combustible Mantels

PRE-INSTALLATION PREPARATION

Continued

1 1/2"

(3.8 cm) 3 1/2"

(8.9

cm)

Outer

Surround

Combustible

Material May

Be Used

Perpendicular

Side Wall

5 1/4"

(13.3 cm)

1 3/4"

(4.4 cm)

To Fireplace

Opening

10" (25.4 cm)

33°

Safe

Zone

Ref. Mantel Depth Ref.

Mantel from

Top of Louver

Opening

1 16" (40.6 cm) A 18" (45.7 cm)

2 14" (35.6 cm) B 16" (40.6 cm)

3 12" (30.5 cm) C 14" (35.6 cm)

4 10" (25.4 cm) D 12" (30.5 cm)

5 8" (20.3 cm) E 10" (25.4 cm)

6 4" (10.2 cm) F 8" (20.3 cm)

7 2" (5.1 cm) G 6" (15.2 cm)

Top of Louver

Opening

Stud Wall

4" B-Vent

Flue Pipe

2 x 4 Header

at 1" Min.

Clearance

MANTEL CLEARANCES

      

various heights above top of louver opening.



distances from various mantel components in



WARNING: When nishing

appliance do not overlap com-

bustible materials onto the black

front face. Brick, tile or other

noncombustible materials may be

applied to the face provided that

any replace openings are not

blocked and gaps in the material

used and the face are sealed with

a noncombustible caulking.

www.desatech.com

117437-01D 9

INSTALLATION PRECAUTIONS

NOTICE:Failuretofollowthesein-

structions will void the warranty.

• Wear gloves and safety glasses for

protection

 

or when on roof tops

• Be aware of electrical wiring locations in

walls and ceilings

The following actions will void the warranty

on this product:

• Installation of any damaged venting

component

     

system (Do not cut or alter vent compo-

nents)

• Installation of any component part not

manufactured or approved by DESA Heat-



• Installation other than as instructed by

these instructions

WARNING: Read all instruc-

tions completely and thoroughly

before attempting installation.

Failure to do so could result in

serious injury, property damage

or loss of life.

WARNING: B-type vent pipe

airspace clearance to combus-

tibles is 1" on all sides. Where

the vent pipe passes through a

vertical wall a listed thimble ap-

proved for use with B-type vent

must be used.

VENTING INSTALLATION

A 4" B-type venting system must be connected

to the appliance for venting to the outside of

the building.

The following section is provided as a guide to

install a standard B-type vent installation.

Standing code requirements concerning

B-type vent installations may vary within

-



check with your local building code authority

      

       -

rent National Fuel Gas Code NFPA 54/ANSI

Z223.1 or in Canada with CAN/CSA B149

for Category I systems using double wall

B-1 vent pipe.

This gas appliance must be vented to the

outdoors only and may not be terminated into



a solid fuel burning appliance.

This appliance may be vented through a

manufactured chimney liner system if all are



and/or building authorities.



are typical of most B-vent installations and

code practices.

WARNING: This gas replace

and vent assembly must be vented

directly to the outside. The venting

system must NEVER be attached

to a chimney serving a separate

solid fuel burning appliance.

Example 1: Shows the minimum allowable sys-

tem height and lateral offset for a 60° or greater



-

low the 75% rule for lateral to total vertical sys-

tem height. Codes also allows only one offset

in the total system when at 60° or greater. The

total vertical height in this example represents

the minimum height of 8 feet and therefore the

allowable lateral is 6 feet when the 75% rule

applies. If the lateral length must exceed 75%



with the Category I venting tables.

Example 2: Shows multiple offsets each at

45° of inclination. Multiple offsets are permit-

ted if they do not exceed 45° of inclination.

The total lengths of the two offsets are not

required to meet the 75% rule.

Example 3: Shows a single offset at 45° of

inclination and therefore the lateral length at 10

feet of offset does not have to meet the 75%

allowable rule.

www.desatech.com 117437-01D10

In each case the offsets must be supported

     

-



must terminate vertically into a listed type vent

      



thimble. At all points the listed clearances

must be maintained.

Vent terminations must be located in accor-

dance with height and proximity rules of NFPA

No. 54 or CAN/CSA B149. These rules apply

to vents at 12" diameter or less and require a

minimum height in accordance with the roof

pitch and a minimum of 8 foot distance from a

vertical wall or obstruction (see Figure 11).

-



for use with B-type vent must be used. Check

with your local codes before venting through

a side wall.

Some codes areas allow the use of existing B-

type vent systems if the system is at or above





B-type connectors and the existing system

must be code inspected for damage and proper

installation.

It is not recommended that this appliance be

common vented with and existing gas burning



to common vent the appliance. The venting

-

cordance with the common venting guides

Appendix G of the current National Fuel

Gas Code NFPA No. 54/ANSI Z223.1 and in

Canada with CAN/CSA B149.

Note: Before connecting this appliance to an

existing vent system or a common venting

system consult with your local architect plan-

ner, or building ofcial.

VENTING INSTALLATION

Continued

Lowest

Discharge

Opening

Listed

Vent Cap

8 Ft. Min.

Roof Pitch x/12

Listed Clearance

Listed

Gas

Vent

H (Min)

Height

From Roof

Figure 11 - B-Vent Termination

Roof Pitch H (Min.)

Flat to 6/12 1.0 ft (0.3 m)

6/12 to 7/12 1.25 ft (0.38 m)

Over 7/12 to 8/12 1.5 ft (0.46 m)

Over 8/12 to 9/12 2.0 ft (0.61 m)

Over 9/12 to 10/12 2.5 ft (0.76 m)

Over 10/12 to 11/12 3.25 ft (0.99 m)

Over 11/12 to 12/12 4.0 ft (1.22 m)

Over 12/12 to 14/12 5.0 ft (1.52 m)

Over 14/12 to 16/12 6.0 ft (1.83 m)

Over 16/12 to 18/12 7.0 ft (2.13 m)

Over 18/12 to 20/12 7.5 ft (2.27 m)

Over 20/12 to 21/12 8.0 ft (2.44 m)

Figure 10 - Typical B-Vent Conguration

Maintain

Listed

Clearance

Maintain

Listed

Clearance

12' Min.

12' Min. 45°

12' Min.

60 45

Position

Firestop

Position

Firestop

Position

Firestop

Listed

Vent Cap

Listed

Vent Cap

Listed

Vent Cap

Maintain

Listed

Clearance

Maintain

Listed

Clearance

Maintain

Listed

Clearance

Maintain

Listed

Clearance

Support Each

Lateral At

Least Every

6 Feet

Maintain

Listed

Clearance

10'

EXAMPLE 3EXAMPLE 2

EXAMPLE 1

This manual suits for next models

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