INSTALLER: PLEASE LEAVE THIS MANUAL WITH THE CUSTOMER!
CUSTOMER: PLEASE KEEP INSTRUCTIONS FOR FUTURE REFERENCE
PLEASE READ THIS ENTIRE MANUAL BEFORE INSTALLATION.
SAVE THESE INSTRUCTIONS.
Made in the USA by:
ECHO
DIRECT VENT GAS HEATER
Installation and Operating Instructions
TH-REF-SLS-229 Rev. A
ECHO DIRECT VENT GAS HEATER
SAFETY NOTICES
For Your Safety
Do not store or use gasoline or any other flammable
vapors or liquids in the vicinity of this or any other
appliance.
Installation
PLEASE READ INSTRUCTIONS
CAREFULLY BEFORE INSTALLING AND
OPERATING THE APPLIANCE
Heater must be properly installed and
maintained or a house fire may result.
For your safety, follow the installation
instructions.
Contact local building officials about
restrictions and installation inspection.
Failure to comply with owner's manual
instructions will void warranty.
WARNING: If the information in these
instructions is not followed exactly, a fire or
explosion may result causing property
damage, personal injury or loss of life.
- Do not store or use gasoline or other
flammable 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 fire department.
- Installation and service must be performed
by a qualified installer, service agency or the
gas supplier.
This appliance may be installed in an
aftermarket permanently located, manufactured
home (USA only) or mobile home, where not
prohibited 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, unless a
certified kit is used.
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ECHO DIRECT VENT GAS HEATER
IF THIS APPLIANCE IS NOT PROPERLY INSTALLED, A HOUSE FIRE, OR EXPLOSION MAY
RESULT. FOR YOUR SAFETY, FOLLOW THE INSTALLATION DIRECTIONS. CONTACT LOCAL
BUILDING OR FIRE OFFICIALS ABOUT RESTRICTIONS AND INSTALLATION REQUIREMENTS IN
YOUR AREA. PLEASE READ THIS ENTIRE MANUAL BEFORE YOU INSTALL AND USE YOUR NEW
APPLIANCE. FAILURE TO FOLLOW INSTRUCTIONS MAY RESULT IN PROPERTY DAMAGE,
BODILY INJURY OR DEATH. DO NOT OPERATE WITH DOOR OPEN!
Safe installation and operation always require
common sense. We are also required by
Canadian and ANSI safety standards to point out
the following:
INSTALLATION AND REPAIR SHOULD BE
DONE BY A QUALIFIED SERVICE PERSON.
THE APPLIANCE SHOULD BE INSPECTED
BEFORE USE AND AT LEAST ANNUALLY
BY A PROFESSIONAL SERVICE PERSON.
MORE FREQUENT CLEANING MAY BE
REQUIRED DUE TO EXCESSIVE LINT FROM
CARPETING, BEDDING MATERIAL, ET
CETERA. IT IS IMPERATIVE THAT CONTROL
COMPARTMENTS, BURNERS AND
CIRCULATING AIR PASSAGEWAYS OF THE
APPLIANCE BE KEPT CLEAN.
IT IS IMPERATIVE THAT CONTROL
COMPARTMENTS, BURNERS AND
CIRCULATING AIR PASSAGEWAYS OF THE
APPLIANCE ARE KEPT CLEAN.
DUE TO HIGH TEMPERATURES, THE
APPLIANCE SHOULD BE LOCATED OUT OF
TRAFFIC AND AWAY FROM FURNITURE
AND DRAPERIES.
CHILDREN AND ADULTS SHOULD BE
ALERTED TO THE HAZARDS OF HIGH
SURFACE TEMPERATURES AND SHOULD
STAY AWAY TO AVOID BURNS OR
CLOTHING IGNITION.
YOUNG CHILDREN SHOULD BE
CAREFULLY SUPERVISED WHEN THEY
ARE IN THE SAME ROOM AS THE
APPLIANCE.
CLOTHING OR OTHER FLAMMABLE
MATERIALS SHOULD NOT BE PLACED ON
OR NEAR THE APPLIANCE.
“THE FLEXIBLE CORD PROVIDED MUST BE
CONNECTED TO A LINE VOLTAGE
ELECTRICAL SUPPLY”.
ANY SAFETY SCREEN OR GUARD
REMOVED FOR SERVICING A ROOM
HEATER MUST BE REPLACED PRIOR TO
NEVER VENT THE APPLIANCE INTO OTHER
ROOMS OR BUILDINGS. THE APPLIANCE
MUST BE VENTED ONLY TO THE OUTSIDE.
THIS APPLIANCE MUST NOT BE
CONNECTED TO A CHIMNEY FLUE
SERVING A SEPARATE SOLID-FUEL
BURNING APPLIANCE.
DO NOT USE THIS HEATER IF ANY PART
HAS BEEN UNDER WATER. IMMEDIATELY
CALL A QUALIFIED SERVICE TECHNICIAN
TO INSPECT THE HEATER AND TO
REPLACE ANY PART OF THE CONTROL
SYSTEM AND ANY GAS CONTROL WHICH
HAS BEEN UNDER WATER.
SAFETY NOTICES
3
ECHO DIRECT VENT GAS HEATER
INSTALLATION CHECKLIST
Dealer
Installer
Phone
Installation Date
Serial Number
INSTALLATION
This appliance is suitable for
installation in a bedroom or bed
sitting room.
This appliance may be installed
in an aftermarket permanently
located, manufactured (mobile)
home, where not prohibited 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, unless a
certified kit is used.
Listing and Codes
The Echo is listed and certified for installation in the U.S.A. and Canada under the following standards:
ANSI Z21.88b-2003/CSA 2.33b-200
Vented Gas Fireplace Heater
High Altitude Installation
When installing this appliance over 2000ft above sea level, the appliance must be properly derated as required
by local codes.
This appliance must be installed as required by local codes, in the absence of local codes in accordance with
CAN/CGA-B149, in Canada. In the US the appliance must be installed in accordance with the current National
Fuel Gas Code, ANSI Z223.1/ NFPA 54.
Please contact your Dealer if you have any questions regarding the certification of this appliance.
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ECHO DIRECT VENT GAS HEATER
Natural Gas (NG)
Propane (LP)
Manifold Pressure
1.7 - 3.5 in. w.c.
3.8 - 10.0 in. w.c.
Min. Supply Pressure for
Purpose of Input
Adjustment
5.00 in. w.c. (1.2 kPa)
11.5 in. w.c.
Max. Supply Pressure for
Purpose of Input
Adjustment
7.0 in. w.c.
13.0 in. w.c.
Orifice Size
35# DMS
53# DMS
Nominal Input Rating
31,000 BTU/hr
26,000 BTU/hr
Altitude
0 - 2000ft. (0 - 610 m) US
0 - 4000ft. (0 - 1219 m) Canada
0 - 2000ft. (0 - 610 m) US
0 - 4500ft. (0 - 1371 m) Canada
Primary Air Opening
1/8in (Minimum)
1/8in (Minimum)
Vent System
Co - axial (4” x 7”)
Co - axial (4” x 7”)
Log Set
Ceramic (6 Piece)
Ceramic (6 Piece)
SPECIFICATIONS
5
ECHO DIRECT VENT GAS HEATER
INDEX OF CONTENTS
Aeration Setting Check, 27
Air Restrictor (Combustion), 40
Air Restrictor (Exhaust), 39
Airflow, 11
Appendix A, 42, 43
Bedroom Installation, 13
Burner and Pilot Checks, 29
Burner Inspection, 35
Burner On/Off Switch, 29
Cleaning, 36
Clearance to Combustibles, 13
Co-Linear Flex System, 18
Control Components, 30
Delayed Ignition, 39
Diagrams
Air Restrictor, 31
Air Restrictor (Combustion), 40
Air Restrictor (Exhaust ), 39
Blower Installation, 41
Box/Wall Thimble, 20
Clearance to Combustibles, 13
Co-Linear Flex System, 18
Control Components, 30
Correct Pilot Flame, 26
Dimensions, 10
Fan Housing Installation, 41
Flame Characteristics, 26
Gas Valve and Pilot Assembly, 32
Laboratory Listing Label, 9
Log & Ember Placement, 42
Log Placement, 43
Pilot, Burners, and Air Shutter, 28
Pipe Configurations, 21
Safety Shut Down, 39
Sealing Vent Pipe, 16
Securing Door, 38
Vent Can Height, 20
Vent Termination, 16, 24
Vent Termination Locations, 14
Venting Chart, 23
Venting Requirements, 17, 18, 22
Wall Thimble Installation, 19
Dimensions, 10
Door and Logs, 12
Door Gasket, 35
Door Opening, 38
Duravent GS System, 15
Electrical Grounding Instructions, 12
Existing Gas Supply, 25
Fan and Flame Adjustment, 35
Finishing Materials, 13
Firebox Inspection, 35
Flammables, 11
Floor Protection, 13
Gas Control Knob, 29
Gas Data, 12
Gas Line Installation, 25
Gas Supply Installation, 26
Gas Valve, 32
Glass Replacement, 35
Hi/Lo Flame Adjust, 29
Horizontal Wall Vent Termination, 15
Initial Burn, 35
Installation, 13
Installation Checklist, 29
Introduction and Safety Information, 11
Lab Accreditation, 12
Laboratory Listing Label, 9
Lighting the Pilot, 29
Listing Criteria, 12
Location of Controls, 29
Maintenance, 35
Manifold Pressure, 12
Mobile Home Installation, 20
Operation, 29
Orifice Size, 12
Permit, 11
Pilot Assembly, 32
Pilot Igniter, 29
Pilot Inspection, 35
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ECHO DIRECT VENT GAS HEATER
INDEX OF CONTENTS
Pipe Configurations, 21
Pressure Testing Supply Line, 26
Replacement Parts List, 36
Safe Operation, 11
Safety Check, 11
Safety Shut Down, 39
Securing Door, 38
Snorkel, 19
Sounds, 35
Specifications, 5, 12
Start Up Checks, 33
Supply Line Leaks, 26
Through Roof Framing, 20
Troubleshooting, 37
Vent Installation, 15
Vent Maintenance, 25
Vent Restriction, 15
Vent Termination, 24
Venting, 13
Venting Requirements, 17, 18
Vertical Installation, 19, 25
Vertical Termination, 25
Wall Thermostat Control, 33
Warranty Information, 44
Wiring Diagram, 27
7
ECHO DIRECT VENT GAS HEATER
FIGURES
Figure 1 – Diagram of Dimensions ....................................................................................................................... 10
Figure 2 – Clearance to Combustibles .................................................................................................................. 13
Figure 3 – Vent Termination Locations ................................................................................................................ 14
Figure 4 – Sealing Vent Pipe ................................................................................................................................ 16
Figure 5 – Vent Termination................................................................................................................................. 16
Figure 6 – Diagram of Venting Requirements ...................................................................................................... 17
Figure 7 – Diagram of Venting Requirements ...................................................................................................... 18
Figure 8 – Co-Linear Flex System ........................................................................................................................ 18
Figure 9 – Wall Thimble Installation .................................................................................................................... 19
Figure 10 – Ceiling Detail..................................................................................................................................... 19
Figure 11 – Box/Wall Thimble ............................................................................................................................. 20
Figure 12 – Vent Can Height ................................................................................................................................ 20
Figure 13 – Pipe Configurations ........................................................................................................................... 21
Figure 14 – Venting Requirements ....................................................................................................................... 22
Figure 15 – Venting Chart .................................................................................................................................... 23
Figure 16– Vent Termination................................................................................................................................ 24
Figure 17 – Flame Characteristics ........................................................................................................................ 26
Figure 18 – Correct Pilot Flame............................................................................................................................ 26
Figure 19 - Wiring Diagram ................................................................................................................................. 27
Figure 20 – Location of Pilot, Burners, and Air Shutter ....................................................................................... 28
Figure 21 – Diagram of Control Components ...................................................................................................... 30
Figure 22 – Air Restrictor ..................................................................................................................................... 31
Figure 23 – Gas Valve and Pilot Assembly .......................................................................................................... 32
Figure 24 – Directions for Enabling Door Opening and Securing Door .............................................................. 38
Figure 25 – Delayed Ignition Safety Shut Down & Exhaust Air Restrictor ......................................................... 39
Figure 26 – Air Restrictor ..................................................................................................................................... 40
Figure 27 – Fan Housing Installation.................................................................................................................... 41
Appendix A – Echo Stove with Log & Ember Tray Placement ........................................................................... 42
8
ECHO DIRECT VENT GAS HEATER
LABORATORY LISTING LABEL
9
ECHO DIRECT VENT GAS HEATER
FIGURE 1 – DIAGRAM OF DIMENSIONS
10
ECHO DIRECT VENT GAS HEATER
INTRODUCTION AND SAFETY
INFORMATION
Thelin Hearth Products would like to thank you for
choosing our Echo Direct Vent Gas appliance.
Whether using natural gas or liquid propane gas,
please read the following safety information
thoroughly before installing or lighting the gas
heater. Improper installation will void warranty.
Incorrect installation and/or hook-up could result in
serious injury and even loss of life. Follow these
instructions closely and do not deviate from them
without the permission of licensed and trained
personnel knowledgeable of the installation and
operation of gas appliances.
If You Smell Gas:
Extinguish any open flame.
Do not light any appliance.
Do not plug in or unplug any electrical plug or
switch.
Open windows and vacate building.
Call gas supplier from a phone outside your house
or if unable to reach supplier, call fire department
(also from phone outside of your house).
Permit
Contact your local building officials and obtain a
permit before beginning installation. Notify your
insurance company and provide them with the
proper inspection documents indicating that the
appliance has been installed to code and inspected
and also passed inspection.
Flammables
Do not store or use gasoline or other flammable
liquids in the vicinity of the heater.
Airflow
Always keep control compartment and optional fan
air passageways free of lint and dust and
obstructions. Do not place clothing or other
flammable items on or near the heater. The heater
can be controlled by a thermostat and will come on
automatically if the thermostat option is hooked up
and utilized. Educate small children that external
portions of the heater are extremely hot! Young
children should be supervised if they are in the
same room with the heater.
Adequate air must be provided for combustion.
Safety Check Before Installation
This appliance must be installed by a licensed and
qualified installer to prevent the possibility of
explosion. This instruction manual must be strictly
adhered to. Do not use makeshift methods or
compromise the installation in any way. Improper
installation will void the warranty and safety listing.
This appliance is approved for either natural gas or
LP (liquid propane) gas. Burning the incorrect fuel
will void the warranty and safety listing and could
cause extreme hazard. Ensure the proper gas valve
is installed for the fuel being used. The gas valve is
clearly marked natural gas or LP gas. This marking
can be found on the back of the stove above the gas
line. (See Figure 21).
Safe Operation
Operate this heater in accordance with the
instructions in this manual. Light the pilot and
burner using built-in piezo lighter. Do not use
matches or any other lighting device external to
your appliance. If the pilot or main burner do not
light correctly, turn off the gas at the gas control
valve (see Figure 21), and call your dealer or
service person. If the flame becomes sooty, dark
orange in color, or extremely tall and lazy, do not
operate the heater. Call your dealer. Do not operate
the heater if any portion of the heater has been
submerged in water or any corrosion occurs. Do not
operate if you suspect any improper operation. Call
your dealer.
11
ECHO DIRECT VENT GAS HEATER
Door and Logs
SPECIFICATIONS
Always allow the heater to cool before carrying out
any maintenance or cleaning. The viewing door
should be opened for service only (see Maintenance
section). Do not place anything inside the firebox
area except authorized Thelin Hearth Products
factory log set. If the logs become damaged, replace
with factory-authorized logs. Never remove,
replace, modify, or substitute any part of this
appliance unless given instructions to do so by
factory-trained personnel or professionally licensed
and certified gas technicians.
Electrical Considerations
WARNING: Electrical Grounding Instructions.
This appliance is equipped with a three-pronged
(grounding) plug for your protection against shock
hazard and should be plugged directly into a
properly-grounded three-prong receptacle. Do not
cut or remove the grounding prong from this plug.
This must be grounded in accordance with local
codes, or, in the absence of local codes, with the
National Electric Code ANSI/NFPA 70 (in Canada,
Canadian Electrical Code CSA C 22.1).
Safety Check Conclusion
Do not throw this Owner’s Manual away. This
manual contains important hook-up, operation, and
maintenance instructions. Thelin Hearth Products
grants no warranty, implied or stated, for the
installation and maintenance of your heater and
assumes no responsibility of any consequential
damages as a result of improper installation or
failure to perform routine maintenance.
Listing Criteria, Lab Accreditation
See Listing Label (See Important Instructions
section) for laboratory listing criteria. When
pressure testing the gas supply at test pressures in
excess of 1/2 psig (3.5kPa) isolate the heater from
the supply line by disconnecting or utilizing the gas
shut off valve.
Manifold Pressure
The heater has a manifold pressure tap (1/8 N.P.T.
fitting) directly on the manifold, (see Figure 21) to
check the manifold pressure downstream of the gas
valve. If the manifold pressure does not match the
following pressure, check inlet pressure and correct
the problem:
Natural gas: High - 3.5” WC, Low – 1.1” WC
Propane: High – 11.0” WC, Low – 3.8” WC
Orifice Size
The orifices are factory installed for altitudes up to
4,500 feet. If installing in a higher altitude check the
orifice information (see Laboratory Listing Label).
Gas Data
Input BTU:
Natural gas: 27,000 Btu
Propane: 26,000 Btu
Minimum Inlet Pressure:
Natural gas: 4.5” WC (Water Column)
Propane: 11.5” WC
CAUTION
Label all wires prior to disconnection when servicing
controls. Wiring errors can cause improper and
dangerous operation. Verify proper operation after
servicing.
Suggested Maximum Pressure:
Natural gas: 7” WC
Propane: 13” WC
12
ECHO DIRECT VENT GAS HEATER
5” back wall
7” side wall
Clearance to combustibles (see label)
Side wall 7”
Back wall 5”
Floor 0”
Ceiling height 5ft (from floor)
WARNING!
Do not cover the grills on this appliance in any way as
this may create a fire hazard.
INSTALLATION
FIGURE 2 – CLEARANCE TO
COMBUSTIBLES
Clearance to Combustibles
Due to high temperatures, the room heater should
be located out of traffic and away from furniture
and draperies. Children and adults should be alerted
to the hazards of high surface temperature and
should stay away to avoid burns or clothing
ignition.
Floor Protection
When the appliance is installed directly on
carpeting, tile or other combustible material other
than wood flooring, the appliance shall be installed
on a metal or wood panel extending the full width
and depth of the. In addition, the following criteria
must be adhered to when installed:
1. Install on level and secure floor.
2. Due to high temperatures, the room heater
should be located out of traffic and away from
furniture and draperies.
3. When placed in a location where the floor-to-
ceiling height is under 7’, the installation is
considered an alcove and must meet the
following criteria: Floor to ceiling of alcove
must be a minimum of 45”. The depth of the
alcove must be at least 27”.
Bedroom Installation
This Direct Vent appliance may be installed in a
sleeping room provided the wall thermostat option
is utilized.
Finishing Materials – Definition
Combustible materials: Such as wood,
compressed paper, plant fibers, plastics or any
material capable of igniting and burning, whether
flame proofed or not, plaster or un-plastered.
Non-combustible material: Material such as steel,
iron brick, tile, concrete or materials that that bear
the UL mark for zero (0) fire rating.
VENTING
IMPORTANT: This appliances venting system is
room sealed, which means that there should be no
provision to allow room air to be used in the
combustion process.
NOTE: Venting systems listed below may be used
with the model Echo: Simpson Duravent DV,
Metalbestos DV, Excel DV, Security DV.
13
ECHO DIRECT VENT GAS HEATER
FIGURE 3 – VENT TERMINATION LOCATIONS
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