St. Croix SCF 050 User manual

SCF-050 Manual

SCF 050

CORN FURNACE

Installation & Operations Manual

805

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SCF-050 Manual

General Information ...................................................................................................... 4

Installation Check List .................................................................................................. 5

Furnace Layout Diagram ............................................................................................... 6

Furnace Dimensions, Location & Clearances ............................................................ 7,8

Exhaust Venting............................................................................................................10

Venting - Approved Materials ....................................................................... 10

Venting-Typical PL Vent Components...........................................................11

Venting - Determining Materials .................................................................. 12

Venting - Termination Requirements..............................................................13

Venting: Termination Clearance Requirements ............................................ 14

Venting – Into an existing Chimney................................................................15

Combustion Air ........................................................................................................... 16

Connecting to Existing Duct Work...............................................................................17

Mobile Home Installation ........................................................................................... 18

Thermostat Hook-Up .................................................................................................. 19

SCF-050 Operation.......................................................................................................20

Installation Check ..........................................................................................20

Preventing Chimney Fires..............................................................................20

Burning Corn, Pellets................................................................................21-23

Control Board Features..................................................................................25

Pre-Lighting & Lighting instructions........................................................26-28

Shutting Off the furnace.................................................................................28

Diagnostic & Safety Features ...................................................................28-30

TABLE OF CONTENTS

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SCF-050 Manual

Combustion Air Damper – Location and Adjustments............................................30-34

Thermostat Control & Pilot Settings.............................................................................35

SCF-050 Maintenance ................................................................................................35

St. Croix Clinker Theory................................................................................35

Clinker/Ash Removal.....................................................................................36

Daily Maintenance...................................................................................................37-39

Periodic Maintenance...............................................................................................40-42

Yearly Maintenance................................................................................................43, 44

Safe Operation ..............................................................................................................44

Wiring Schematic..........................................................................................................45

Electrical Layout...........................................................................................................46

Canadian Requirements

Installation......................................................................................................47

Operation........................................................................................................47

Supplementary Furnace .................................................................................48

Troubleshooting & Frequently Asked Questions ...............................................49-53

Warranty .......................................................................................................................54

Furnace Info & Notes....................................................................................................55

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SCF-050 Manual

GENERAL INFORMATION

SAFETY PRECAUTIONS

SAFETY NOTICE: The furnace must be properly installed in order to prevent the possibility

of a house fire! These installation instructions must be strictly observed! The Maintenance

schedule must be followed as described in this manual. Failure to follow instructions may

result in property damage, bodily injury or even death.

The furnace’s exhaust system works with negative combustion chamber pressure and a slightly

positive chimney pressure. Therefore, it is imperative that the air intake and exhaust system be

airtight and installed correctly. Do not install a flue damper in the exhaust vent of this unit.

Do not connect this unit to a chimney flue serving another appliance.

BUILDING PERMIT

Contact the local building officials to obtain a permit and information on any local installation

restrictions and inspection requirements.

DEFINITION OF “FURNACE”

The word “Furnace” as used in this manual is interpreted to mean a corn or wood pellet burning

Add On Furnace. This model is not intended as the sole source of heat.

SAFETY TESTING

The furnace has been independently tested and listed by Warnock Hersey Laboratories in

accordance with the proposed ASTM Standards and the applicable portions of UL 1482 and

ULC S627/B366.2, and Oregon Administrative Rules 814-23-901 through 814-23- 909, stating

requirements for installation as a shop heater or Add On Furnace and for mobile home

installations. The safety-listing label is located on the inside of the removable front panel of the

unit. Please refer to label for pertinent information.

DISCLAIMER OF WARRANTY

Since Even Temp Company has no control over the installation of the furnace, Even Temp

Company grants no warranty, implied or stated, for the installation of the furnace and assumes

no responsibility for any special, incidental or consequential damages.

MANUFACTURED BY:

Even Temp Inc

Hwy 34

Waco, NE, 68467

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SCF-050 Manual

BEFORE INSTALLATION THOROUGHLY

READ AND UNDERSTAND THIS MANUAL

SAFETY NOTICE

PLEASE READ THE ENTIRE MANUAL BEFORE INSTALLING AND USING YOUR NEW FURNACE. FAILURE

TO FOLLOW INSTRUCTIONS MAY RESULT IN POPERTY DAMAGE, BODILY INJURY, OR EVEN DEATH.

INSTALLATION CHECK LIST

FOR USE IN THE U.S. AND CANADA, MOBILE HOME APPROVED

CHECK WITH LOCAL AUTHORITIES AND OBTAIN NEEDED PERMITS

WE RECOMMEND INSTALLATION BY A QUALIFIED PROFESSIONAL.

BEFORE STARTING THE FURNACE FOR THE FIRST TIME

1. Under certain conditions outside combustion air is recommended. Use only approved parts. When using

out side air for combustion check that the outside air inlet is connected to draw fresh air from outside the

building.

2. All joints of PL vent and single wall stainless steel pipe should be fastened by at least 3 screws and

correctly installed. (Follow vent manufacturer’s instructions). Seal all joints with high temperature silicone

to create an airtight seal.

3. WARNING: The high temperature paint on this Furnace may take several hours of burning at a high fuel

setting to cure fully. During this time, an odor that is not harmful may be evident. When odors are present,

the area around the Furnace should be well ventilated.

4. Caution: The high temperature paint can be easily scratched prior to burning the Furnace.

CAUTION

FAILURE TO FOLLOW THE INSTRUCTIONS IN THE INSTALLATIONS MANUAL MAY RESULT

IN A HOUSE FIRE. PLEASE FOLLOW INSTALLATION AND MAINTENANCE INSTRUCTIONS.

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SCF-050 Manual

SCF 050

Furnace Layout

Figure 1

The SCF-050 has a large Heat Exchange system, allowing for more heat to be exchanged. The

burn system used in the furnace is the St. Croix Patent Pending “Clinker Removal System”.

This burn pot allows the clinker to be removed without loosing the fire in the pot. This eliminates

the need of having to constantly re-light the furnace after removing the clinker.

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SCF-050 Manual

Furnace Dimensions

Figure 2

Furnace location

When finding a location to install the furnace, several things need to be kept in mind. Consider

the following things: Service Access, Venting, Return air Duct, Supply air Duct and

Electrical.

Service Access. The front panel is removable to allow access to the ash pan and the firebox for

regular maintenance. The Control Board is mounted on the left side. There are also 2 access

panels on the left side. The smaller cover gives access to the following components: Combustion

Fan, Vacuum Switch and Proof of Fire Switch. The larger cover allows access to the Convection

Blower for maintenance when needed. The Fan Limit Control is also located on the left side.

Supply Air. The SC 050 Furnace may be connected to a gas, oil or Electric/Heat pump system

with existing duct work.

Return Air. The furnace does not need to be connected directly to the existing cold air return

system, but it is recommended.

Venting. The location should be as close as possible to an outside wall for venting purposes. The

furnace requires 4” PL Vent pipe. The shortest vent system with minimal elbows is the best.

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SCF-050 Manual

Clearances & Access for Service & Maintenance

Figure 3

FLOOR PROTECTION - The furnace should be installed on a non-combustible surface

extending 16” in front of the unit.

LEFT SIDE – Minimum clearance to combustibles on the right side of the furnace is 2”

ACCESS FOR SERVICE AND MAINTENANCE – The remaining clearances shown above

are required to allow access to components during service and maintenance.

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SCF-050 Manual

Caution

INSTALLATION IS TO BE PERFORMED BY A QUALIFIED INSTALLER OR

DEALER.

ADHERE TO ALL CLEARANCES SPECIFIED BY THE MANUFACTURER OF THE

VENTING SYSTEM USED.

ADHERE TO ALL CLEARANCES SPECIFIED IN THE INSTALLATION

INSTRUCTIONS OF THIS FURNACE.

THIS FURNACE USES A POSITIVE PRESSURE VENTING SYSTEM. DO NOT

INSTALL A FLUE DAMPER IN THE EXHAUST SYSTEM OF UNIT

DO NOT CONNECT THIS FURNACE TO A CHIMNEY SYSTEM THAT IS

CONNECTED TO ANOTHER APPLIANCE.

DO NOT INSTALL THIS UNIT IN A SLEEPING ROOM

ATTENTION

CONDENSATION: When planning the installation of your Furnace, keep in

mind that condensation is detrimental to exhaust systems. Corn has higher

moisture content than pellets and can be more susceptible to condensation

forming in certain types of installations. Install the Furnace with a minimum of

the system exposed to the cold temperatures outside the envelope of the house.

Check with the manufacturer of your venting system that they honor the

warranty of their PL Vent with the use of corn.

ATTENTION

BATTERY BACKUP: We strongly recommend using a battery backup system if

the furnace is installed using horizontal venting only. This prevents any smoke

from entering your home in the event of a power failure.

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SCF-050 Manual

VENTING: APPROVED MATERIALS

The Furnace requires a venting system approved for pellet Furnaces by a certified testing lab.

Approved pellet Furnace venting materials are: 1) PL vent, a double wall vent with a stainless

steel liner; and 2) Single wall rigid or flexible stainless steel pipe. PL Vent and Single wall vent

is available through manufacturers such as: Energy Vent LTD, James A. Ryder, Simpson

DuraVent and Selkirk Metalbestos and is carried by many local pellet Furnace dealers. In this

manual approved venting will be referred to a “PL vent” or “Single wall vent”. All single wall

vent adaptors must be stainless steel.

NOTE: TYPE “B” GAS VENT MUST NOT BE USED IN THE INSTALLATION OF THIS

FURNACE

Examples of venting system components follow:

High temperature ceramic roping reduces potential fly ash escaping through joints.

Stainless steel inner liners resist corrosive flue gas damage to the system.

Flex pipe should be stainless steel, 4 ply construction with a total thickness of approx. .07 inches.

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