Steffes 2002 Manuel utilisateur

V10

Models: 2002, 2003, 2004, 2005, & 2006

OWNER'S AND

INSTALLER'S MANUAL

for

Room Heating Units

"Manufactured in North America"

LISTED

Introduction .................................................................................................................................................................2

General Information

General Operation ..........................................................................................................................................................................3

Terminology ...................................................................................................................................................................................4

Safety Information

Safety Precautions ..........................................................................................................................................................................5

Built-in Safety Devices ...................................................................................................................................................................5

Maintenance and Cleaning ......................................................................................................................6

Describing the Heater's Display Panel ................................................................................. 6-7

Operating the Heater

Heater Start-up ...............................................................................................................................................................................8

Adjusting the Room Temperature Set Point ..................................................................................................................................8

Adjusting the Brick Core Charge Level ..................................................................................................................................... 8-9

How to Turn the Heater "OFF" and "ON" .....................................................................................................................................9

Installing the Heater

Placement .....................................................................................................................................................................................10

Clearance Requirements...............................................................................................................................................................10

Electrical Connections............................................................................................................................................................ 10-11

Attaching the Wall Mount Bracket or Security Base...................................................................................................................12

Brick Loading...............................................................................................................................................................................13

Setting the Method of Brick Core Charge Control ................................................................................................................ 13-14

Remote Room Sensor (Optional)..................................................................................................................................................14

Installer's Instructions for Setting Heater Operation Functions...................................................................................................14

Installer's Final Checkout Procedure...................................................................................................................................... 15-16

Heater Wiring

Room Heating Unit Identification Label ......................................................................................................................................17

Room Heating Unit Umbilical Cord (Wiring Harness) Color Code ...........................................................................................17

Field Connection Wire and Circuit Breaker Sizing Guide ..........................................................................................................17

Typical System Wiring Diagram..................................................................................................................................................18

Heater Dip Switch Settings ..........................................................................................................................................................19

Typical Low Voltage Control Wiring Diagrams..........................................................................................................................20

Room Heating Unit Line Voltage Wiring Diagrams ............................................................................................................. 21-22

Room Heating Unit Specifications ..............................................................................................23

Exploded View Heater Diagram ......................................................................................................24

Heater Parts List ..................................................................................................................................................25

Advanced Heater Operation

How to Change the Heater's Operation ........................................................................................................................................26

Temperature Conversion Chart ....................................................................................................................................................27

Describing the Heater Functions (L00 through L10)............................................................................................................. 27-30

Brick Core Operating Modes: "C", "P", and "A"................................................................................................................... 30-32

Customer Notes .....................................................................................................................................................33

Warranty

Five (5) Year Warranty Policy .....................................................................................................................................................34

Table of Contents 1

2Introduction

•This manual provides information for the correct installation procedures and electrical connections for Steffes

ETS room heating units, Models: 2002, 2003, 2004, 2005 and 2006. The information in this manual can help

you take full advantage of the many features built-in to your heater and ensure years of safe, reliable operation.

Read the enclosed instructions, safety tips, and warranty information. Store this manual in a safe place for future

reference.

•Assembly of and/or service to these units should be performed only by a qualified electrician in accordance with

information contained herein and in accordance with national, state, and local electrical codes.

•This manual should be retained by new owners if ownership of the heater changes.

•Any deviation from these instructions may void the warranty and could result in hazardous operating conditions.

•A Supplemental Installer's Guide is available from the factory or distributor (with power company consent) and

should only be made available to installing electrical contractors or to power company personnel. This guide

describes those heater functions that are related to power company control and how to change them. It is not

required to complete an installation.

•The warranty registration card provided as part of the documentation included with the heater must be completed

and returned to Steffes Corporation. Failure to do so may adversely affect warranty claims.

•Record the Serial Number and Model Number in the space provided in the Installation Information Section of this

Owner's Manual. These numbers are located on the lower left side panel of the heater, on the shipping box, and

on the Warranty Registration Card. Retain this manual for quick future reference to these numbers.

•Disclaimer: In compiling this manual, Steffes Corporation has used its best judgement based upon information

available, but disclaims any responsibility or liability for any errors or miscalculations contained herein, or any

revisions hereof, or which result, in whole or in part, from the use of this manual or any revisions hereof.

Dear Valued Customer:

Congratulations on your new purchase! The Steffes ETS heaters are the highest quality storage heat systems available

today. We are confident you will be pleased with the warm, comfortable heat this system provides as well as the

savings you should see in your electric heat bill.

Electric Thermal Storage has been used in the United States for over 20 years. Today, Steffes is known as the leader

in this technology. Not only are we setting the industry standards for quality; but, we are also working closely with

power companies to ensure comfort, safety, reliability, service, and support needs are being met.

We are committed to ensuring your new heating system will provide you with total satisfaction for many years to

come. Your support is appreciated and your comments on the equipment are welcome.

Thank you for choosing Steffes ETS!

Sincerely,

Paul Steffes

President and Chief ExecutiveOfficer

General Information

General Operation

Steffes ETS room heating units utilize off-peak electricity available during those times of the dayor

night when the power company can supply you with electricity more economically. By using this off-

peak electricity for heating, the power company may offer you a special incentive such as a reduced

electric rate, an off-peak heating rate, a time-of-use (TOU) rate, or monthly credits on your heating bill.

When off-peak hours are available, the room heating unit converts electricity to heat which is then

stored in its ceramic brick core. The ceramic brick core of the heater can store heat at varying levels

depending upon outdoor temperature, owner preference, utility peak conditions, and the requirements of

the space being heated. This stored heat becomes available for space heating needs as determined by

the room temperature sensor located in the heater. (An optional remote room temperature sensor is also

available. Order item #1302024.)

Heating is accomplished radiantlyand by a thermostatically controlled blower. A small amount of heat

will be radiated by the heater's cabinet. However, most of the heating requirements in the area where

the heater is installed will be satisfied by the heater's blower. When the room thermostat senses a need

for heat, the heater's blower will circulate room air through the heater's ceramic brick core. This air is

heated and discharged back into the room to maintain a constant, comfortable room temperature.

4General Information (cont'd)

TERM DEFINITION

Automatic Charge Control Method of brick core charge regulation where a sensor monitors outdoor temperature to

automatically adjust the brick core temperature.

Brick Core Charge Level The amount of heat that is stored in the heater's brick core.

Charge Period Off-peak time in which the heater is allowed to store heat in its brick core.

Control Panel Contains the buttons to adjust and the display to indicate heater functions. Located on

the front of the heater in the upper right corner.

Control Period On-peak time in which the heater is not allowed to store heat in its brick core.

Data The specific information for heater operation which is set and stored in a location on the

heater's microprocessor. This data is accessed through the control panel. Displayed as a

"d" on the control panel when in the edit mode.

Edit Mode Process of changing or viewing the data in a microprocessor location. This is accom-

plished with the use of the M (mode) button, the (up arrow) button, and the 

(down arrow) button.

Location (Function) Where the specific operating information (data) of the heater is stored. These locations

are part of the heater's microprocessor and are accessed through the control panel.

Displayed as an "L" on the control panel when in the edit mode.

Manual Charge Control Method of brick core charge regulation where the owner must periodically adjust the

brick core temperature setting in relation to the outdoor temperature.

Microprocessor Device on the circuit board of the heater which stores and processes the data informa-

tion and controls the operation of the heater.

Off-peak The time during the day or night when the power company can supply electricity more

economically and may offer a special incentive such as a reduced electric rate or billing

credits for the electricity consumed during this time. Typically, electrical usage is not

controlled during an off-peak time. (The heater will provide heat to satisfy comfort

requirements during this time as well as charge or store heat in its brick core.)

On-peak The time during the day or night when the power company experiences a high demand for

electricity. To limit demand, certain appliances are controlled to avoid usage by them

and/or a premium for the electricity consumed during this time may be charged to

discourage electrical usage. (The heater is not allowed to charge or store heat in its brick

core during peak periods. Heating requirements are satisfied by only the heat it has

stored in its brick core.)

Outdoor Sensor Device that senses outdoor air temperatures and communicates this information to the

heater for automatic charge control.

Room Temperature Set The targeted room temperature at which the heater is to maintain. If the room thermo-

stat senses a temperature below this point, the heater's blowers will come on and extract

heat from the brick core.

Storage Level Set Point The targeted amount of heat that is to be stored in the brick core of the heater. If the

brick core temperature is below this set point, the heating elements will come on (only if

off-peak) and add heat to the brick core.

This manual contains terms which may need an explanation. The table below lists some of these terms and a brief

descriptionofeach.

Point(RoomSetting)

(StorageSetting)

Terminology

DEVICE NAME FUNCTION

Core Charging High These limit switches run across the entire back of the heater and

Limit Switches monitor the temperature of the outside back panel and the

heater's brick core. If the normal operating temperature is

exceeded, this switch will interrupt power to the heating elements

and prevent heat from being stored in the brick core. The red

"SERVICE" light will illuminate to indicate this switch has shut

the power off to the heating elements. (This switch will auto-

matically reset when the temperature returns to a normal range.)

Red "SERVICE" Light Illuminates when the core charging high limit switch has

interrupted power to the heating elements. The heater will not

store heat in the brick core when this light is illuminated.

Illumination of the light may indicate there is not enough

clearance between the heater and some object; or, possibly, there

is an operational difficulty within the heater. If the clearance

requirements have been maintained and the light illuminates

repeatedly, notify a service technician. (Since this light works in

conjunction with the core charging high limit switch, it will

automatically turn off when this switch resets.)

Discharge Air High Monitor discharge air temperature and interrupt power to the

Limit Switches blower if the normal operating temperature is exceeded. This

limit switch helps protect against the heating of objects which

may obstruct the air discharge area.

Tip Over Switch Interrupts power to the heating elements and the blower to

prevent the heater from storing heat in or discharging heat from

the brick core if the heater is not in the upright position.

Safety Information

Safety Precautions

LOCATION

ON HEATER

Inside the

Back Panel

On the

Control Panel

Inside the

Air Discharge Grill

Inside the Electrical

Compartment

Built-in Safety Devices

(Heaters equipped with a

security base only.)

1. DO NOT energize the heater while disassembled or without ceramic heat storage bricks in place.

2. As is true with all heating appliances, materials that may produce explosive or flammable gases MUST NOT be used or

stored near the room heating unit.

3. Be sure the minimum clearance requirements specified in this manual are never violated .

WARNING: Violation of the clearance requirements may create a fire hazard!

4. DO NOT allow objects to fall between the room heating unit and the wall.

5. DO NOT place anything on top of the room heating unit.

6. DO NOT stick any objects through the air discharge grill.

7. This heater may be connected to more than one branch circuit. Disconnect power to all circuits before servicing.

8. Installation of and/or service to this heater should be performed by a qualified electrician in accordance with informa-

tion contained herein and with national, state, and local electrical codes.

9. This manual must remain with the room heating unit.

Maintenance and Cleaning

As with most heating systems, air borne particles in the room may be drawn into the heating system and oxidized. As

these air borne particles are expelled back into the room, they may accumulate on the heater or other surfaces. Over

time, these particles may appear as a black residue, commonly referred to as soot. High concentrations of air borne

particles from such things as aerosols, dust, candles, incense, pet hair, high humidity, smoke, or cooking can contrib-

ute to poor indoor air quality and accelerate this process.

To minimize the black residue buildup, clean the outer surface of the heater on a regular basis. Wash the cabinet only

when cool with any liquid cleaner. Do not use scouring powders or furniture polish. Steffes recommends using "Soft

Scrub with Bleach" brand cleanser or its equal.

Regularly vacuumaround all sides of the heater. Check the back of the heater to make sure no objects have fallen

behind it. Check all sides of the heater to be sure the required clearances are not being violated. Objects should never

be placed on top of the heater. No additional routine maintenance is required.

Describing The Heater's Display Panel

All operational functions of the heater are stored in the heater's microprocessor. These operational functions are

factory preset; however, they can be adjusted by the user or installer. All operational functions are accessed

through the heater's control panel. Typically, the user will only need to use this panel to adjust the room tempera-

ture; and, possibly, to set the brick core temperature if manual charge control is used.

TEMPERATURE

ROOM

SETTING

STORAGE

SETTING

SERVICE



M

STEFFES

MODE

TEMPERATURE

ROOM

SETTING

STORAGE

SETTING

SERVICE



M

STEFFES

MODE

Figure 1

Heater Control Panel

TEMPERATURE and MODE Digits

Typically, these digits continuously display current room temperature and

one of the following brick core operating modes (Refer to the Advanced

Heater Operation section of this manual for more information):

C = (charge period) Off-peak time in which the heater is allowed

to store heat in its brick core. (See Figure 2)

P = (peak period) On-peak time in which the heater is not

allowed to store heat in its brick core. (See Figure 3)

A = (anticipated peak period) Used only in certain utility pro-

grams. It is an alternative method of storing heat in the

heater's brick core. (See Figure 4)

Mode (EDIT) Button

Activates the editing process for changing the operating information of

the heater. PLEASE USE CAUTION WHEN EDITING THE IN-

FORMATION IN THE HEATER.

MODE TEMPERATURE

Figure 2

MODE TEMPERATURE

Figure 3

MODE TEMPERATURE

Figure 4

ROOM SETTING

A green bar will illuminate next to ROOM SETTING on the MODE

digit when the room temperature set point is being adjusted. (See

Figure 5.) The set point can range from 45oF (7.2oC) through 85oF

(29.4oC).

SERVICE LIGHT

This is one of the many built-in safety devices on the heater. This

red light will illuminate whenever the core charging high limit switch

has interrupted power to the heating elements. This interruption may

be the result of not enough clearance between the heater and some

object; or, possibly, there is an operational difficulty within the

heater. If this light is illuminated, the heater will not store heat in

the brick core. It will automatically reset (turn off) when the core

charging high limit switch restores power to the elements. (Refer to

Table 1, Built-in Heater Safety Devices, for more information on the

light and the core charging high limit switch.)

If the light illuminates REPEATEDLY, notify a service

technician.

STORAGE SETTING

This is only applicable when using manual charge control. A green

bar will illuminate next to STORAGE SETTING (on the MODE

digit) which indicates the storage level set point can be adjusted.

(See Figure 6.)

Left Indicator Light

Illuminates green whenever the heating elements are on.

Up Arrow Button

Increases room temperature set point. It is also used to scroll

upward when viewing or adjusting the heater's operational functions.

Down Arrow Button

Decreases room temperature set point. It is also used to scroll

downward when viewing or changing the heater's operational func-

tions.

Right Indicator Light

Illuminates green continuously if automatic brick core charge regula-

tion is being utilized.

TEMPERATURE



M

STEFFES

ROOM

SETTING

STORAGE

SETTING

SERVICE

MODE

MODE TEMPERATURE

ROOM

SETTING

Figure5

MODE TEMPERATURE

STORAGE

SETTING

Figure6





Describing The Heater's Display Panel (cont'd)

NOTE

HEATER START-UP

On start-up of the heater, you may experience some odors relating to the first time operation of the heating

components. There also may be an odor associated with dust accumulation in the system if the heater is shut

down for an extended period of time. Allowing the heater to charge to its highest heat storage level (full core

charge) will help expel these odors in a timely manner.

Since room air passes directly through the hot brick core of the heater, air borne particles and odors may be

drawn into the heating system and oxidized. During the oxidation process, odors can be amplified; thus, it is

recommended not to operate the heating system if odors such as that from paints, varnishes, or chemicals are

present in the air. Allow the area to be completely aired out before operating the heater.

ADJUSTING THE ROOM TEMPERATURE SET POINT

Room temperature set point is adjusted differently if using manual charge control versus automatic charge

control. Thus, when makingadjustments to the room temperature set point or the brick core charge level, you

must determine whether your heating systemis set for automatic or manual charge control.

Automaticchargecontrol - The right indicator light on the control panel will be illuminated. With automatic

charge control, a sensor regulates the amount of heat stored in the heater's brick

core automatically in relation to outdoor temperature.

Manual charge control - The right indicator light will not be illuminated. With manual charge control, the

user regulates the amount of heat stored in the heater's brick core in relation to

outdoortemperature.

How to Adjust Room Temperature Set Point if Using Automatic Charge Control

Step 1 Press the arrow button to increase the set point or the arrow button to decrease the set point.

The face plate will automatically return to displaying current room temperature a few seconds after

makingan adjustment.

How to Adjust Room Temperature Set Point if Using Manual Charge Control

Step 1 Press and hold the Mbutton until a green bar appears on the MODE digit of the control panel face

plate to indicate room setting can be adjusted. The room temperature set point will appear on the

TEMPERATURE digits of the face plate.

Step 2 Press the arrow button or the arrow button to adjust the room temperature set point. The face

plate will automatically return to displaying current room temperature after making an adjustment.

ADJUSTING THE BRICK CORE CHARGE LEVEL

The room heating unit's brick core charge level can be regulated either manually or automatically. The method of

control will be set at the time of installation. If the right indicator light is illuminated on the face plate, the

heater is set for automatic charge control. If it is not illuminated, the heater is set for manual charge control. The

room heating unit will come factory preset for automatic charge control.

AutomaticChargeControl

If the room heating unit is set for automatic charge control, the brick core charge level will be regulated automati-

cally in relation to outdoor temperature. An outdoor sensor is required for this method of charge control.

Operating the Heater

ManualChargeControl

If manual charge control is being used, the owner must periodically adjust the brick core charge level setting

during the heating season in relation to outdoor temperature and the heating requirements of the area. To adjust

the brick core charge level, do the following:

Step 1 Press and hold the Mbutton until a green bar appears on the MODE digit of the control panel face

plate next to room setting. Release the button.

Step 2 Press the M button again. The green bar on the MODE digit of the control panel face plate will

move to indicate storage setting can be adjusted. Core charge level set point is displayed on the

TEMPERATURE digits.

Step 3 Press the or arrow buttons to adjust the core charge level set point. The core charge level can

be set to any data value from 00 through 10.

00 = no core charging will occur

05 = 50% core charge will be maintained

10 = maximum core charge will be maintained

The face plate will automatically return to displaying current room temperature a few seconds after

makinganadjustement.

HOW TO TURN THE HEATER "OFF" AND "ON"

You may wish to turn the heater off during the summer months. Brick core charging and room temperature

sensing can be turned off without disconnecting power to the heater.

UsingAutomaticChargeControl

Step 1 To turn the heater "OFF", use the arrow button to decrease the room temperature set point until

the control panel face plate displays "OFF".

Step 2 To turn the heater back "ON", press the arrow button to adjust room temperature to the desired set

point.

UsingManualChargeControl

Step 1 To turn the heater "OFF", hold the Mbutton until room temperature set point appears on the TEM-

PERATURE digits of the face plate.

Step 2 Use the arrow button to decrease the room temperature set point until the control panel face plate

displays "OFF".

Step 3 To turn the heater back "ON", press and hold the M and the arrow buttons at the same time.

When room temperature set point displays on the face plate, let go of the M button. Use the 

arrow button to adjust room temperature to the desired set point.

Operating the Heater (cont'd) 9

The outdoor sensor will monitor outdoor temperature and provide the information to the heater. The heater will

respond by storing heat in the brick core accordingly. The outdoor temperature at which brick core charging in

the heater is to begin and the outdoor temperature the heater should be at full brick core charge may be adjusted

at the time of installation. The heater comes factory preset to start charging at 60oF (15.6oC) and to be at full

brick core charge at 20oF (-6.67oC).

Ce manuel convient aux modèles suivants

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