NovaFlex Z-Flex DVK-HR Manuel utilisateur

Installation and Maintenance Instructions

All models are intended for use on natural or propane gas fired direct vent appliances (stoves, heaters,

fireplaces and inserts) tested and third party listed (CSA, ETL, OMNI, PFS, UL or Warnock Hersey) to

appropriate ANSI Z21 standard(s) for use with coaxial (concentric) flexible aluminum vent.

MODEL DVK-HR Coaxial

Flexible Direct Vent Kit with

Coaxial Horizontal Round

Termination

Kit Includes:

•Coaxial Horizontal

Round Termination

•Coaxial Flexible Vent

•Coaxial Flexible Spacers

•Coaxial Flexible Supports

•High Temperature Mill-

Pac Black Sealant

•Self-drilling Screws

MODEL DVK-HT Coaxial

Flexible Direct Vent Kit with

Coaxial Horizontal Square

Termination

Kit Includes:

•Coaxial Horizontal

Square Termination

•Coaxial Flexible Vent

•Coaxial Flexible Spacers

•Coaxial Flexible Supports

•High Temperature Mill-

Pac Black Sealant

•Self-drilling Screws

MODEL DVK-VX Coaxial

Flexible Direct Vent Kit with

Coaxial Vertical Extreme

Weather Termination

Kit Includes:

•Coaxial Vertical Extreme

Weather Termination

•Rigid Pipe

•Storm Collar/Support

•Roof Flashing 0 - 30 Degree

•Roof Termination Support

•Coaxial Flexible Vent

•Coaxial Flexible Spacers

•Coaxial Flexible Supports

•Fire Stop/Insulation Shield

•Insulation Collar

•High Temperature Mill-Pac

Black Sealant

•Self-drilling Screws

Tools Required: Safety glasses, gloves, tape measure, plumb line, level, cordless drill, drill

bits, #2 Phillips bit or #2 Phillips screwdriver, snips or utility knife, reciprocating saw,

hammer and framing materials.

MH60654 Direct Vent Venting System

Listed to UL 2112, ANSI Z21.88/CSA 2.33

Manufacture's address:

U.S.A.:

20 Commerce Park North

Bedford, NH 03110-6911

CANADA:

452 Attwell Drive

Etobicoke, ON M9W 5C3

Installation Guide

Z-FLEX

DEFINITIONS

BEST PRACTICE

Indicates recommendations made by Z-Flex for installers which will help ensure optimum

operation and longevity of the venting system.

GENERAL INSTRUCTIONS

WARNINGS Risk of Fire! Risk of Explosion! Risk of Asphyxiation!

A Qualified professional must INSTALL and MAINTAIN venting system in accordance with

these instructions, appliance manufacturer's installation instructions, local building codes

or in absence of local codes latest edition of National Fuel Gas Code; ANSI Z223.1/NFPA

54 in USA or CSA-B149.1 or .2 in Canada. A qualified professional would be certified in

USA by National Fireplace Institute (NFI) as NFI Woodburning Specialists or Chimney

Safety Institute of America (CSIA) or in Canada by Wood Energy Technical Training

(WETT) or other appropriate certifying body. These instructions are to be used as a

guideline, if there is any conflict refer to appliance manufacturer's installation

instructions.

A by-product of any fuel burning appliance is carbon monoxide, which is an invisible and

odorless gas. Read, understand and follow all instructions and appropriate local codes

when installing, using or maintaining any fuel burning appliance and vent system. Install

carbon monoxide detector and alarms in accordance with local codes.

DO NOT install or attempt to repair damaged (torn, crushed or punctured) flexible vent.

To ensure proper operation of venting system do not make any alterations/modifications

or use any substitute materials or joining methods other than those specified in these or

appliance manufacturer's installation instructions. Z-Flex accepts no liability for any

damage, injury or loss of life resulting from incorrect installation, alteration or substitute

materials. Contact Z-Flex or appliance manufacturer if there is any installation questions.

Do not combine flexible and rigid venting systems or systems from different vent

manufacturers unless stated in these or appliance manufactures installation instructions.

Do not common vent multiple appliances in same vent or chimney.

Do not clamp flexible pipes.

WARNING

Indicates a potentially hazardous situation which, if ignored, can result in death, serious

injury or substantial property damage.

CAUTION

Indicates a potentially hazardous situation which, if ignored, can result in minor property

damage or injury.

Installation Guide

Z-FLEX

CAUTION Risk of Burns! Risk of Shock!

Before servicing appliance or vent system turn off gas and power and allow to cool.

CAUTION Risk of Cuts! Risk of Abrasions!

Wear gloves and safety glasses to protect against cuts from sharp edges or flying debris.

1. Read these instructions and appliance manufacturers' installation instructions

carefully prior to installing coaxial flexible direct vent kit. If any doubts or questions

exist, contact your local distributor or Z-Flex at 1-800-654-5600 (in NH 603-669-5136).

2. Contact your local building and fire officials about any necessary permits, restrictions

and installation inspections required in your area to ensure installation meets with all

local code requirements including fire stopping.

APPLIANCE LIST

This list details the intended use of the coaxial flexible aluminum direct vent kits. If your

appliance does not meet the following requirements or if you are not sure it is

appropriate to use a coaxial flexible aluminum direct vent kit, contact your appliance

manufacturer prior to installation.

•All models are intended for use on natural or propane gas fired direct vent

appliances (stoves, heaters, fireplaces and inserts) tested and third party listed

(CSA, ETL, OMNI, PFS, UL or Warnock Hersey) to appropriate ANSI Z21

standard(s) for use with coaxial (concentric) flexible aluminum vent.

WARNINGS

Risk of Fire! Risk of Explosion! Risk of Asphyxiation!

Do not allow flexible pipes to bunch up; keep flexible pipes pulled tight.

Do not bend coaxial flexible vent more than 90 degrees.

Coaxial

flexible vent kits contain spacers, attach spacers to inner flexible pipe

to maintain

an air gap to outer

flexible pipe. Maintain gap for safe operation of appliance. A spacer

is required a maximum of every

foot to maintain air gap. DO NOT REMOVE SPACERS.

Coaxial flexible vent kits contain

supports. Install supports to maintain minimum

clearance to combustibles from vent system as outlined in

appliance

manufacturer's

installation instructions.

Do not place insulation or other materials in any required

clearances to combustibles or

air

space around vent system or fire stop(s) to prevent a fire hazard.

Venting system should be inspected before first use and at

least annually thereafter by

qualified

professional. Ensure area around appliance and venting system do not contain

combustible

materials, gasoline or other flammable vapors or liquids and meet

appliance

manufacturer's clearances to combustibles. Venting systems must be

unobstructed, undamaged, properly assembled, supported and sealed.

Installation Procedure

Z-FLEX

1. Read all instructions and warnings carefully prior to installing and using appliance.

2. Refer to appliance manufacturers' installation instructions for appropriate use,

minimum and maximum vent lengths, number of elbows or bends, minimum

vertical vent rise between appliance and first elbow or bend, relationship between

length of vent run to vent rise, joining methods, spacers, supports, clearances to

combustibles, clearances to termination and wall or combustible ceiling

penetrations, etc.

BEST PRACTICE

Minimize vent length and number of bends and use 45 degree bends instead of 90

degree bends whenever possible for optimum performance.

3. Determine placement of coaxial termination (vertical or horizontal) ensuring location

meets all clearance requirements in appliance manufacturer's installation

instructions, local codes and national codes, is not easily blocked or obstructed

and meets appliance manufacturer's allowable vent configuration.

WARNING

Risk of Fire! Risk of Explosion! Risk of Asphyxiation!

Check coaxial termination after each snow fall and corresponding clean up to ensure

termination and surrounding area are clear and unblocked.

Do not direct any snow

towards termination especially when using a snow blower.

Termination must be

above grade and expected snow level or snow accumulation/drift.

Installation Procedure

Z-FLEX

COAXIAL FLEXIBLE DIRECT VENT KITS

a. Coaxial flexible direct vent kits may be purchased in 3"/5", 3"/6", 4"/6", 4"/7", 4.5"/7.5",

5"/7", 5"/8", 6"/8", 7"/10" and 8"/11" coaxial diameters and are available in 5', 10', 20' or

40' lengths. Additional kit lengths are available upon request.

b. Inner flexible pipe is 4' longer in coaxial flexible direct vent vertical kits; 2DVK-VX

to extend inner flexible pipe through rigid pipe at roof.

c. Read and follow appropriate sections within these instructions before installing kit.

COAXIAL FLEXIBLE VENT EXTENSION KITS

BEST PRACTICE

Order Coaxial Flexible Direct Vent Kit in required length to avoid additional

joints associated with Coaxial Flexible Vent Extension Kit.

a. Coaxial flexible vent extension kits may be purchased in 3"/5", 3"/6", 4"/6", 4"/7",

4.5"/7.5", 5"/7", 5"/8", 6"/8", 7"/10" and 8"/11 coaxial diameters, kit includes 20

feet of coaxial flexible vent, coaxial flexible coupling, coaxial flexible spacers,

coaxial flexible supports, Mill-Pac Black sealant and screws.

b. ONLY IF NECESSARY a single coaxial flexible vent extension kit with coaxial flexible

coupling is allowed to extend the length of coaxial flexible vent.

BEST PRACTICE

Attach flexible extension kit to APPLIANCE COAXIAL COLLAR or DV TO COAXIAL

FLEXIBLE ADAPTOR if required when used to extend coaxial flexible direct vent

vertical kits; 2DVK-VX to avoid cutting extra 4' of inner flexible pipe provided in

these kits; 2DVK-VX necessary to extend inner flexible pipe through rigid pipe

at roof.

c. Coaxial flexible vent extension kits; part numbers:

2DVK(305,306,406,407,4.507.5,507,508,608,710,811)20X are sold separately.

d. Read and follow appropriate sections within these instructions before installing kit.

WARNING

Risk of Fire! Risk of Explosion! Risk of Asphyxiation!

Total length of coaxial flexible vent must not exceed maximum length specified

in the appliance manufacturer's installation instructions.

Installation Procedure

Z-FLEX

COAXIAL FLEXIBLE COUPLING

a. ONLY IF NECESSARY a single Z-Flex coaxial flexible coupling is allowed to join 2

coaxial flexible vents.

b. Join inner flexible pipes to each end of coaxial flexible coupling inner collars with

a heavy bead approximately 1/4" wide of high temperature Mill-Pac Black sealant

applied approximately 3/4" from end of each flexible coupling inner collar outside

edge and evenly slip inner flexible pipes over flexible coupling inner collars with as

much overlap as possible. Secure inner flexible pipes to flexible coupling inner

collars with four self-drilling screws evenly spaced 90 degrees apart for each

flexible pipe.

c. Join outer flexible pipes to each end of coaxial flexible coupling outer collars with

a heavy bead approximately 1/4" wide of high temperature Mill-Pac Black sealant

applied approximately 3/4" from end of each flexible coupling outer collar outside

edge and evenly slip outer flexible pipes over flexible coupling outer collars with

as much overlap as possible. Secure outer flexible pipes to flexible coupling outer

collars with four self-drilling screws evenly spaced 90 degrees apart for each

flexible pipe.

d. Add coaxial flexible support directly below coaxial flexible coupling.

e. Z-Flex coaxial flexible couplings; part numbers: 2DVK(305,306,406,407,4.507.5,507,

508,608,710,811)C are sold separately.

Apply Mill-Pac Black Sealant

& Secure with Screws:

Appliance Inner Male Collars

to Inner Flexible Pipes

& then

Appliance Outlet Male Collars

to Outer Flexible Pipes

Fig. 1 Installation of Z-Flex Coaxial Flexible Coupling

Installation Procedure

Z-FLEX

COAXIAL FLEXIBLE VENT

a. Coaxial flexible vent diameters must not be sized less than that specified in the

appliance manufacturer's installation instructions.

b. Prior to installing any flexible pipes extend pipes to their maximum length (see

figure 2 for proper stretching techniques).

Fig. 2 Proper Stretching Technique for Flexible Pipes

CAUTION

Risk of Injury! Risk of Damage!

Follow these instructions carefully to prevent personal injury and damage to flexible pipes.

PROPER STRETCHING TECHNIQUE FOR FLEXIBLE PIPES

The enclosed flexible pipes are in a fully compressed form.

The stretching of the flexible pipes requires two people

wearing gloves.

A flexible pipe should be stretched working half the length at a time.

Start by facing each other at the appropriate mid-point in the flexible pipe.

Holding the flexible pipe firmly in your hands one person

should walk backwards,

stretching portions of the pipe as they backup.

As you stretch the flexible pipe, watch the corrugations to make

sure you are expanding

the pipe fully as well as not over

-stretching it.

Follow the same procedure for the other half of the flexible pipe.

The flexible pipe should now be at full length.

Repeat above for other flexible pipe.

If you have any questions contact Z-Flex or appliance manufacturer.

Installation Procedure

Z-FLEX

COAXIAL FLEXIBLE SPACERS

a. Install coaxial flexible spacers included in kit(s) around extended/stretched

inner (smaller diameter) flexible pipe at every foot maximum, rotate each

WIRE spacer 1/4 turn from previous installed spacer (if supplied intertwine

ends of alternate SPRING spacer).

b. Slide outer extended/stretched flexible pipe over inner flexible pipe with

spacers exercising care not to dislodge any spacers.

c. Additional coaxial flexible spacers; part numbers: 2DVK(35,36,46,47,

57,58,68,710,811)S are sold separately in kits of 10. Use 2DVK58S for

4.5"/7.5" coaxial diameters.

Install Coaxial Flexible

Spacers Around Inner

Flexible Pipe, Rotate Each

WIRE Spacer ¼ Turn From

Previous Installed Spacer

Slide Outer Flexible Pipe

Over Inner Flexible Pipe

With Coaxial Flexible

Spacers

1’ Max.

Between

Coaxial

Flexible

Spacers

Fig. 3 Coaxial Flexible Spacer Installation

Installation Procedure

Z-FLEX

APPLIANCE COAXIAL COLLAR

4. Apply a heavy bead approximately 1/4" wide of high temperature Mill-Pac Black

sealant to approximately 3/4" from male end of appliance inner collar outside edge

and slip inner flexible pipe over appliance inner collar with as much overlap as

possible. Secure inner flexible pipe to appliance inner collar with four self-drilling

screws evenly spaced 90 degrees apart.

5. Apply a heavy bead approximately 1/4" wide of high temperature Mill-Pac Black

sealant to approximately 3/4" from male end of appliance outer collar outside edge

and slip outer flexible pipe over appliance outer collar with as much overlap as

possible. Secure outer flexible pipe to appliance outer collar with four self-drilling

screws evenly spaced 90 degrees apart.

Apply Mill-Pac

Black Sealant &

Secure with

Screws

Appliance Inner

Male Collar to

Inner Flexible Pipe

& then

Appliance Outer

Male Collar to

Outer Flexible Pipe

Fig. 4 Appliance Coaxial Collar Installation

Installation Procedure

Z-FLEX

DV TO COAXIAL FLEXIBLE ADAPTOR - OPTIONAL

a. This adaptor is used to adapt an appliance with Duravent coaxial rigid twist lock

vent connection to coaxial flexible vent. The adaptor's appliance connection has

an inner male collar and outer female collar. The adaptor's flexible vent

connection has an inner male collar and outer male collar. The adaptor part

numbers are 2DVK407A or 2DVK508A & are sold separately.

b. On adaptor's appliance connection with inner male collar and outer female collar,

apply a heavy bead approximately 1/4" wide of high temperature Mill-Pac Black

sealant to approximately 3/4" from inner male collar outside edge.

c. On adaptor's appliance connection with inner male collar and outer female collar,

apply a heavy bead approximately 1/4" wide of high temperature Mill-Pac Black

sealant to approximately 3/4" from outer female collar inside edge.

d. Slip adaptor's appliance connection into/over appliance inner and outer collars

with as much overlap as possible. Secure outer collars with four self-drilling

screws evenly spaced 90 degrees apart.

e. On adaptor's flexible vent connection with inner and outer male collars, apply a

heavy bead approximately 1/4" wide of high temperature Mill-Pac Black sealant

to approximately 3/4" from male inner collar outside edge and slip inner flexible

pipe over inner collar with as much overlap as possible. Secure inner flexible pipe

to inner collar with four self-drilling screws evenly spaced 90 degrees apart.

f. On adaptor's flexible vent connection with inner and outer male collars, apply a

heavy bead approximately 1/4" wide of high temperature Mill-Pac Black sealant

to approximately 3/4" from male outer collar outside edge and slip outer flexible

pipe over outer collar with as much overlap as possible. Secure outer flexible

pipe to outer collar with four self-drilling screws evenly spaced 90 degrees apart.

Apply Mill-Pac Black Sealant

& Secure with Screws:

Inner Male Collar to Inner

Flexible Pipe

& then

Outer Male Collar to Outer

Flexible Pipe

Apply Mill-Pac Black Sealant:

Inner Male Collar Outside Edge &

Outer Female Collar Inside Edge

Secure with Screws

through

Outer Collars

Flexible Vent

Connection

DV to Coaxial

Flexible Adaptor

Appliance Connection

Appliance Twist

Lock Connection

Fig. 5 DV to Coaxial Flexible Adaptor Installation

Ce manuel convient aux modèles suivants

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