SUPREME SUP M240V12 Series Assembly instructions

INSTALLATION INSTRUCTIONS AND
HOMEOWNER’S MANUAL: ELECTRIC FURNACE
MODULATING
(ECM MOTOR)
MULTI-POSITION
Models:
SUPXX-M240V12
SUPXX-M240V20
INSTALLER / SERVICE TECHNICIAN:
USE THE INFORMATION IN THIS MANUAL FOR THE
INSTALLATION AND SERVICING OF THE FURNACE AND KEEP
THE DOCUMENT NEAR THE UNIT FOR FUTURE REFERENCE.
HOMEOWNER:
PLEASE KEEP THIS MANUAL NEAR THE FURNACE FOR
FUTURE REFERENCE.
Attention:
Do not tamper with the unit or its controls.
Call a qualified service technician.
Manufactured by: Dettson Industries Inc.
Sherbrooke, Qc, Canada
www.dettson.com
Printed in Canada on
100% recycled paper
2023-03-23 X40234 Rev.N

Table of content
1 SAFETY 2
1.1 DANGER, WARNING AND CAUTION . . . . . . . . 2
1.2 IMPORTANT INFORMATION . . . . . . . . . . . . . . 2
1.3 DANGER OF FREEZING . . . . . . . . . . . . . . . . . 2
2 INSTALLATION 3
2.1 POSITIONING THE FURNACE . . . . . . . . . . . . . 3
2.2 CLEARANCES TO COMBUSTIBLE MATERIAL
.................................... 3
2.3 CONFIGURATIONS ..................... 3
2.4 ELECTRICAL SYSTEM . . . . . . . . . . . . . . . . . . 4
2.5 INSTALLATION OF THE THERMOSTAT . . . . . . 4
2.6 INSTALLATION OF ACCESSORIES . . . . . . . . . . 5
3 SOFTWARE SETTINGS 6
3.1 CONFIGURATION MENU . . . . . . . . . . . . . . . . . 6
3.2 INSTALLERMENU...................... 6
4 OPERATION 9
4.1 START-UP............................. 9
4.2 LEGACY OPERATING SEQUENCE . . . . . . . . . . 9
4.3 AIRFLOW VERIFICATION . . . . . . . . . . . . . . . . . 10
5 MAINTENANCE 10
5.1 AIRFILTER............................ 10
5.2 MOTOR LUBRICATION . . . . . . . . . . . . . . . . . . . 10
6 FURNACE INFORMATION 11
7 TECHNICAL SPECIFICATIONS 12
List of figures
Figure 1: Upflow Configuration . . . . . . . . . . 3
Figure 2: Downflow Configuration . . . . . . . . 3
Figure 3: Horizontal Configuration . . . . . . . . 4
Figure 4: Conversion from two to one supply wires 4
Figure 5: Communicating thermostat connection 5
Figure 6: Modulating thermostat connection . . . 5
Figure 7: Placement of interface board . . . . . 6
Figure 8: Navigation in menus . . . . . . . . . . 8
Figure 9: Furnace Dimensions . . . . . . . . . . 13
Figure 10: Electrical diagram, SUPREME Modulating 14
Figure 11: Parts list, SUPREME Modulating . . . 15
List of tables
Table 1: Installer Parameters . . . . . . . . . . 7
Table 2: Technical specifications (240V) . . . . 12
Table 3: Heating Airflow (CFM), SUPREME
Modulating . . . . . . . . . . . . . . . . 13
Table 4: Parts List, SUPREME Modulating . . . . 16
Table 5: Accessories . . . . . . . . . . . . . . . 17
1

1 SAFETY
1.1 DANGER, WARNING AND
CAUTION
The words DANGER, WARNING and CAUTION are used to
identify the levels of seriousness of certain hazards. It is
important that you understand their meaning. You will notice
these words in the manual as follows:
DANGER
Immediate hazards which WILL result in death or
serious bodily and/or material damage.
WARNING
Hazards or unsafe practices which CAN result in death
or serious bodily and /or material damage.
CAUTION
Hazards or unsafe practices which CAN result in minor
bodily and /or material damage.
1.2 IMPORTANT INFORMATION
WARNING
Non-observance of the safety regulations outlined in
this manual will potentially lead to consequences
resulting in death, serious bodily injury and/or property
damage.
WARNING
Installation and repairs performed by unqualified
persons can result in hazards to them and to others.
Installations must conform to local codes or, in the
absence of such codes, to codes of the country having
jurisdiction.
The information contained in this manual is intended
for use by a qualified technician, familiar with safety
procedures and who is equipped with the proper tools
and test instruments.
Failure to carefully read and follow all instructions in
this manual can result in death, bodily injury and/or
property damage.
a) It is the homeowner’s responsibility to engage a qualified
technician for the installation and subsequent servicing
of this furnace;
b) Do not use this furnace if any part of it was under water.
Call a qualified service technician immediately to assess
the damage and to replace all critical parts that were in
contact with water;
c) Do not store gasoline or any other flammable
substances, such as paper or carton, near the furnace;
d) Never block or otherwise obstruct the filter and/or return
air openings;
e) Ask the technician installing your furnace to show and
explain to you the following items:
i. The main disconnect switch or circuit breaker;
ii. The air filter and how to change it (check monthly
and clean or replace if necessary);
f) Before calling for service, be sure to have the information
of section 5 of your manual close by in order to be able to
provide the contractor with the required information, such
as the model and serial numbers of the furnace.
IMPORTANT: All local and national code requirements
governing the installation of central electric heating
equipment, wiring and the flue connection MUST be
followed. Some of the codes that may apply are:
ANSI/NFPA 70: National Electrical Code CSA C22.1 or
CSA C22.10: Canadian Electrical Code Only the latest
issues of these codes may be used, and are available from
either:
The National Fire Protection Agency
1 Batterymarch Park
Quincy, MA 02269
or
The Canadian Standards Association
178 Rexdale Blvd.
Rexdale, Ontario M9W 1R3
1.3 DANGER OF FREEZING
CAUTION
If your furnace is shut down during the cold weather
season, water pipes may freeze, burst and cause
serious water damage. Turn off the water supply and
bleed the pipes.
If the heater is left unattended during the cold weather season,
take the following precautions:
a) Close the main water valve in the house and purge the
pipes if possible. Open all the faucets in the house;
b) Ask someone to frequently check the house during the
cold weather season to make sure that there is sufficient
heat to prevent the pipes from freezing. Tell this person
to call an emergency number if required.
2

2 INSTALLATION
This furnace is a true multi-position unit, in that
it will function in an upflow, downflow or horizontal
configuration to the left or the right. Only a few
modifications are required during installation to change
from one position to another. The unit is shipped in the
upflow configuration and instructions as to how to change
to the other positions are included in this manual.
The unit requires a 120/240 - 208 VAC power supply to
the control panel, thermostat hook-up as shown on the
wiring diagram.
2.1 POSITIONING THE FURNACE
WARNING
FIRE AND EXPLOSION HAZARD
The furnace must be installed in a level position,
never where it will slope toward the front.
Do not store or use gasoline or any other
flammable substances near the furnace.
Non-observance of these instructions will
potentially result in death, bodily injury and/or
property damage.
WARNING
This furnace is not watertight and is not designed
for outdoor installation. It must be installed
in such a manner as to protect its electrical
components from water. Outdoor installation will
lead to a hazardous electrical condition and to
premature failure of the equipment.
If the furnace is installed in a basement or on a dirt floor,
in a crawl space for example, it is recommended to install
the unit on a cement base 2.5 cm to 5.0 cm (1” to 2”)
thick.
In addition, the heater should also be located close to the
center of the air distribution system.
2.2 CLEARANCES TO
COMBUSTIBLE MATERIAL
2.2.1 Heating unit
The furnace is approved for zero clearance to
combustible material regardless of the heating capacity.
2.2.2 Supply air ducts
Ducts can be installed with a zero clearance to
combustible material.
2.3 CONFIGURATIONS
This furnace requires suitable ductwork.
2.3.1 Upflow installation
The return duct may be installed to the back, to the
bottom, on the left side or on the right side of the unit. The
supply duct shall be installed on the top of the unit. Care
should be taken not to damage the wires inside, while
cutting the opening. Instal the filter rack that is supplied
with the unit. It is also recommended to install the blower
door before handling or moving the unit. Refer to Figure
1 for additional details.
Figure 1: Upflow Configuration
2.3.2 Downflow installation
The return duct may be installed to the back, on the left
side, on the right side or under the unit. The supply duct
shall be installed on the top of the unit.
When the furnace is installed in the downflow position on
a combustible floor, the downflow base DFB-SUP can be
used. Refer to Figure 2 and the installation instructions
provided with the base.
Figure 2: Downflow Configuration
3

2.3.3 Horizontal installation
The return duct may be installed to the back, on the left
side, on the right side or under the unit. The supply duct
shall be installed on the top of the unit.
When the furnace is installed in the horizontal position,
either suspended or on a combustible floor with a choice
of right or left discharge, the clearances from combustible
material must be adhered to. Refer to Figure 3 for
additional details.
Figure 3: Horizontal Configuration
2.3.4 Suspended installation
The furnace can be hanged to the ceiling in either
upflow, downflow or horizontal. Make sure to mount
it appropriately and to respect the clearances to
combustible material.
WARNING
The furnace must be properly secured especially
when installed above living space.
Failure to follow this rule can result in death,
bodily injury and/or property damage.
2.4 ELECTRICAL SYSTEM
The SUPREME furnace is completely pre-wired and all
field wiring must be connected to the terminal blocks on
the unit. It requires 2 service wires of 240 - 208 volts.
WARNING
RISK OF FIRE
The conductor sizing must conform to the last
edition of the local or national codes.
Failure to follow this rule can result in death,
bodily injury and/or property damage.
Power supply to the unit can be done using copper
or aluminum wires. The wire size must be decided in
accordance to unit power consumption, the over current
protection type and capacity, the wire type and length,
and the environment where the unit is installed. If an
aluminum wire is used, other precautions must be taken
to insure the conformity of the installation. In all cases, all
the factors affecting the wire gauge must be considered
and the installation codes followed.
The exterior of the unit must have an uninterrupted
ground to minimize the risk of bodily harm. A ground
terminal is supplied with the control box for that purpose.
A connector is supplied on the ground terminal to ground
an added accessory.
In the event that wires inside the unit require
replacement, these must be copper wires only with same
temperature rating and sizes as originals.
2.4.1 Conversion from two wires to one
wire supply for models 25kW and
more
Only for single-phase models.
WARNING
RISK OF FIRE
When using one terminal block on models of 25kW
and higher, the installation must be performed
with copper wire ONLY in order to comply with
the Canadian electrical code. The usage of an
aluminum or copper wire is acceptable on models
25kW and lower.
Move all wires from the two pole terminal to the three pole
terminal following the corresponding colors as shown in
Figure 4.
The breaker and the supply conductors must be sized by
adding the ampacities of the two terminals indicated on
the nameplate. Refer to the electrical diagram Figure 10.
Figure 4: Conversion from two to one supply wires
2.4.2 208V Power Supply
If a 208VAC Power Supply is used, the connector at the
primary of the transformer must be changed to the 208V
position.
2.5 INSTALLATION OF THE
THERMOSTAT
2.5.1 Communicating system with heat
pump
The thermostat must be connected to terminals 1, 2,
R and C of the furnace. The interface board must
be installed as specified in the supplied manual and
connected with the RJ11 wire also supplied with the
interface board.
4

Figure 5: Communicating thermostat connection
2.5.2 Modulating thermostat
The thermostat must be connected to V/W2, C, R, G
terminals and optionally to Y1, Y2, O and DH terminals if
the there are options of cooling or heat pump.
Figure 6: Modulating thermostat connection
2.5.3 Ducts and filters
The ducts must be sized to accommodate the specified
airflow and the available static pressure. Refer to
the applicable local and/or national installation codes.
Insulate the ducts that lead through non-heated areas.
Use flexible supply and return air connectors to avoid
the transmission of vibration. To make the unit run even
quieter, the installer should:
1. Use two elbows between each outlet and the
supply and return air plenum;
2. Cover the vertical sections of the supply and return
air duct with soundproofing material;
3. Use baffles in short radius elbows;
4. Use flexible hang
ers to suspend the ducts. The SUPREME furnace is
equipped with a filter frame for the blower compartment.
It must be installed on the outside of one of the three
sides or the bottom of the furnace. Once the location
of the installation has been determined, use the four
square knockouts for ease of cutting the opening. A heat
pump or an air conditioner can be added to this furnace,
in either the supply or return air duct. Carefully follow
the instructions provided with these appliances to ensure
proper installation and hook-up to the electric furnace.
Refrigerant and drainage pipes must in no way hinder
access to the furnace panels.
2.6 INSTALLATION OF
ACCESSORIES
WARNING
ELECTRICAL SHOCK HAZARD
Turn OFF electrical power at the fuse box
or service panel before making any electrical
connection and ensure that a proper ground
connection is made before connecting line
voltage.
Failure to do so can result in death or bodily injury.
2.6.1 Dehumidify capability with standard
humidistat connection
Latent capacities for systems using this unit are better
than average systems. If increased latent capacity is an
application requirement, the field wiring terminal block
provides a connection terminal (DH) for use of a standard
humidistat. The furnace control will detect the humidistat
contact opening on increasing humidity and reduce its
airflow to approximately 80% of nominal cooling mode
airflow. This reduction will increase the system latent
capacity until the humidity falls to a level which causes
the humidistat contact to close its contacts.
When the contact closes again, the airflows comes back
to 100% of the cooling airflow selected.
2.6.2 Use of a heat pump
This system is able to operate simultaneously the
heat pump and the electric elements when using a
communicating system. This operation mode requires
the coil to be installed in the return of the furnace.
Refer to section 3.2 for further information.
2.6.3 Placement of interface board
Dettson’s modulating heat pump unit is a great addition
to the Modulating SUPREME. In order to install the
interface board to the SUPREME using the included
plastic standoffs, consult Figure 7 placement of interface
board. Please refer to the heat pump manual for
connection diagrams.
5

Figure 7: Placement of interface board
3 SOFTWARE SETTINGS
Configuration and installer menus allow to modify both
display and operational parameters of the furnace.
Navigation within the menus can be achieved using the
up, down and select buttons. The up and down buttons
allow to change menu, line or to modify a value. The
center button allows to select or validate a parameter.
3.1 CONFIGURATION MENU
The configuration menu allows only the modification of
the display language and access to the “Troubleshoot”
menu. Once the cursor is aligned with the “Language”
line, press the center button in order to toggle from
French to English.
3.1.1 Troubleshoot menu
Information only
This menu allows to see the various operating
parameters of the appliance and is protected by a
password. In order to enter the Troubleshoot menu, the
following password must be entered: Left, Center, Right
and Center.
STATUS Menu
This menu displays the operating parameters associated
with the air handler:
•CMD: The percentage of the electric elements
requested
•CMDMOT: The airflow requested in CFM
•ACC: Not used
AB STATUS Menu (Auto-backup)
This menu displays the operating information associated
with the auto-backup function.
•ERR DT: The temperature difference between
the thermostat temperature and the thermostat
setpoint in °F
•CFM AB: The number of CFM required for electric
auto backup
HEAT PUMP Menus
These two screens allow to access the following
information:
•T°EXT: Displays the outdoor temperature in °F
•SIZE: The capacity of the Alizé unit in TONS
•CFM HEAT: The number of CFM per TON in
heating mode
•CFM COOL: The number of CFM per TON in
cooling mode
•CFM DRY: The number of CFM per TON in
dehumidification mode
•MODE: The current mode of the Alizé unit (Heat,
Cool, Dry, Nothing)
•CFM HP: The indoor airflow required by the outdoor
unit.
•% COMP: Percentage of the max frequency of the
compressor
•MODE O: Operation mode (HRV, Heat Pump or Air
Cond)
3.2 INSTALLER MENU
The installer menu allows to modify the various operating
parameters of the air handler. This menu is password
protected because only a qualified installer should modify
the following variables. The password to access the
installer menu is left, center, right and center
6

Table 1: Installer Parameters
Menu Affects Parameter Description Range Default Note
COOLING/HP
2-stg
operation
(Y1-Y2)
AC/HP TONS Tonnage of outdoor unit 0.75-10 0
CFM/TON Select CFM/Ton 300-500 400
DEHUM ON STATE DH signal is active when ON (High) or OFF (Low) HIGH/LOW HIGH
DEHUM RATIO Cooling airflow ratio for dehum 50-100% 85%
AC Y1 RATIO First stage cooling (Y1) airflow ratio 50-90% 70%
FAN
Furnace
CONT FAN RATIO Airflow in continuous fan mode 15-100% 50% Of max CFM (see
table 2)
RISE (DELTA T) Temperature rise with electric elements 20-80°F 65°F
DELAYS
2-stg
operation
(Y1-Y2)
AC/HP ON Wait time before starting the fan on a call for Y1
or Y2 5-120 5 Seconds
AC/HP OFF Wait time before stopping the fan after a call for
Y1 or Y2 5-240 90 Seconds
SYSTEM
Furnace
RATIO MAX PWR Limit on the maximum capacity of the unit 0-100% 100% Does not allow using
smaller wire or breaker
ACCESSORY Not used - -
DUAL HEAT
Auxiliary/Emergency heating behaviour:
NORMAL: The heatpump is stopped
HEAT PUMP: Only the heat pump is used
DOUBLE: Operate both heat pump and furnace
* NORMAL NORMAL is
recommended
FURNACE MODEL To select the model of the furnace Used when the control
board is replaced
ORIENTATION Change the screen orientation
(UPFLOW/DOWNFLOW) * NORMAL
RESET SYSTEM Reinitialize all parameters to factory defaults
AUTOBACKUP
2-stg & Modulating
DISABLED/ENABLED Enables or disabled the auto-backup feature DISABLED
MODE
CALM: Electric elements activated to
compensate the heat pump capacity (lower
airflow, longer to reach set point)
FUSION: Electric elements activated to the max
system capacity
* CALM
TMR BEF BACKUP Time before powering the electric elements 0-30 5 Minutes
UPDATE SPEED Calculation frequency of the required capacity 1-30 5 Seconds
SET PT OFFSET Min temperature offset between set point and
room temperature to start auto-backup -5 - +5°F -1°F
LOCKOUT TEMP Temperature ext. above which the auto-backup
will be disabled -20 - 20°C 10°C
RISE(DELTA T) Temperature elevation when running in auto-
backup 20-80°F 65°F
7

Figure 8: Navigation in menus
8

4 OPERATION
4.1 START-UP
Before starting up the unit, be sure to check that the
following items are in compliance:
1. The electrical installation and ventilation are
conform;
2. The blower access door is in place and the blower
rail locking screws are well tightened;
3. The blower speed adjustments for heating and air
conditioning are appropriate and in accordance
with to the specifications in this manual;
4. The thermostat of the room is in heating mode and
is set higher than the ambient temperature;
5. The breakers on front panel are set on the “ON”
position.
To start the unit, turn the main electrical switch on.
4.2 LEGACY OPERATING
SEQUENCE
The blower motor is a true variable speed motor designed
to deliver constant CFM. Constant CFM is valid for
systems with total external static pressure between 0.1
and 0.8 inches water column.
4.2.1 Continuous fan
a. Thermostat closes circuit R to G.
b. Blower runs at continuous fan airflow.
4.2.2 Cooling mode - single stage
NOTE: For single stage systems, do not use the Y1
terminal.
a. If indoor temperature is above temperature set
point and humidity is below humidity set point,
thermostat closes circuits R to G, R to Y/Y2 and
R to O.
b. Furnace delivers single stage cooling airflow.
4.2.3 Cooling mode - two stage
•First stage (low) cooling: Thermostat closes
circuits R to G, R to O, and R to Y1.
Furnace delivers low stage cooling airflow.
•Second stage (high) cooling: Thermostat closes
circuits R to G, R to O, R to Y1 and R to Y/Y2.
Furnace delivers high stage cooling airflow.
4.2.4 Cooling mode – dehumidification
NOTE: Remove jumper « J1 » on board to activate this
function. (Refer to Figure 10 and Figure 16)
a. If indoor temperature is above temperature set
point and humidity is above humidity set point,
thermostat closes circuits R to G, R to Y/Y2 and
R to O and humidistat opens circuit R to DH.
b. The furnace delivers airflow which is approximately
80% of the nominal cooling airflow to increase the
latent capacity of the system.
4.2.5 Electric heating mode - modulating
thermostat
The thermostat sends a heating demand in the form of a
pulse width modulated wave that varies between 5 and
100%. The heating unit will apply this power ratio to
the maximum available power. The electrical elements
will modulate to the required power and the fan will
adjust itself automatically in order to reach the required
temperature rise.
4.2.6 Electric heating mode -
Communicating thermostat
The thermostst sends a heating demand from 5 to 100%
using a communicating protocol. The heating unit will
apply this power ratio to the maximum available power.
The electrical elements will modulate to the required
power and the fan will adjust itself automatically in order
to reach the required temperature rise.
4.2.7 Heat pump heating mode –
Modlating thermostat outdoor unit
single stage
NOTE: For single stage systems, do not use the Y1
terminal.
a. Thermostat closes circuits R to G and R to Y/Y2.
b. Furnace delivers selected heat pump heating
airflow.
4.2.8 Heat pump heating mode –
Modulating thermostat, outdoor unit
two stage
• First stage (low) heating: Thermostat closes
circuits R to G and R to Y1.
Furnace delivers low stage heating airflow.
• Second stage (high) heating: Thermostat closes R
to G, R to Y1 and R to Y/Y2. Furnace delivers high
stage heating airflow.
9

WARNING
ELECTRICAL SHOCK OR UNIT DAMAGE HAZARD
Failure to carefully read and follow this WARNING
could result in equipment malfunction, property
damage, personal injury and/or death.
Disconnect power to unit before removing or
replacing connectors or servicing motor. Wait at
least five (5) minutes after disconnecting power
before handling.
4.3 AIRFLOW VERIFICATION
Verify the airflow by taking readings of the following
points, while the elements are in heating mode:
a) Total amperage of all the heating elements;
b) Voltage at the furnace;
c) Supply air temperature. The point of the reading
must not be affected by radiant heat from the
elements;
d) Return air temperature.
From these readings, one can arrive at an approximate
calculation of the average airflow. To do that, the
following formula should be used:
Liter/s =0.82 ×amps. ×volts
Diff. temperature °C
CFM =3.1×amps. ×volts
Diff. temperature °F
Table 3 shows estimated airflows for various temperature
rises.
4.3.1 High limit verification
After operating the furnace for at least 15 minutes, restrict
the return air supply by blocking the filters or the return air
register and allow the furnace to shut off on High Limit.
The electric heaters must deactivate themselves before
the warm air temperature exceeds 200°F (93°C).
Remove the obstruction and the elements should restart
after a few minutes.
5 MAINTENANCE
WARNING
ELECTRICAL SHOCK HAZARD
Turn OFF power to the furnace before any
disassembly or servicing.
Failure to do so can result in death, bodily injury
and/or property damage.
Preventive maintenance is the best way to avoid
unnecessary expense and inconvenience. Have
your heating system inspected by a qualified service
technician once a year. Do not attempt to repair the
furnace or its controls. Call a qualified service technician.
Before calling for repair service, check the following
points:
1. Check fuses or the circuit breakers;
2. Check if the 15 A circuit breaker on the furnace is
disengaged;
3. Set the thermostat higher than room temperature.
If the unit does not start up, cut the power and call
a qualified service technician.
When calling for service or ordering a replacement part,
specify the model and serial number of your appliance.
5.1 AIR FILTER
The disposable filter should be replaced twice a year.
The presence of animal hair, dust, etc. may necessitate
more frequent changes. Dirty filters have an adverse
effect on the performance of the central heating system.
5.2 MOTOR LUBRICATION
Do not lubricate the blower motor, since it is permanently
lubricated.
10

6 FURNACE INFORMATION
Model: ................................................... Serial number: ...........................................
Furnace installation date: ............................................................................................
Service telephone #-Day: ............................... Night: ....................................................
Dealer name and address: ...........................................................................................
......................................................................................................................
START-UP RESULTS
Voltage: .................................................. ElementsTotal current: ....................................
Supply airtemperature: ................................... Return air temperature: ...................................
Supply air duct static pressure: . . . . . . . . . . . . . . . . . . . . . . . . . . . Return air duct static pressure: . . . . . . . . . . . . . . . . . . . . . . . . . . .
Totalpressure: ........................................... Calculatedair flow: .......................................
Current consumed by the blower motor: . . . . . . . . . . . . . . . . . . . Current consumed by the accessories: . . . . . . . . . . . . . . . . . . .
11

7 TECHNICAL SPECIFICATIONS
Table 2: Technical specifications (240V)
RATING AND SUPxx-M240V12 SUPxx-M240V20
PERFORMANCE Motor 1/2 HP / 240V Motor 1 HP / 240V
Capacity 10 15 18 20 23 25 20 23 25 27 30
Power, total @ 240V / 208V (Kw) 10 / 7.5 15 / 11.3 18 / 13.5 20 /15 23 / 17.3 25 / 18.8 20 /15 23 / 17.3 25 / 18.8 27 / 20.3 30 / 22.5
Power, first stage @ 240V /
208V (Kw)
5/ 3.8 10 / 7.5 9/ 6.8 10 / 7.5 13 / 9.8 15 / 11.3 10 / 7.5 13 / 9.8 15 / 11.3 15 / 11.3 15 / 11.3
Net capacity @ 240V (BTU/h) /
208V
34,120
25,628
51,180
38,442
61,420
46,130
68,240
51,256
78,480
58,944
85,300
64,070
68,240
51,256
78,480
58,944
85,300
64,070
92,124
69,195
102,360
76,884
Temperature rise @ 240V (°F) 1See Table 3
ELECTRICAL SYSTEM
Volts - Hertz - Phase 2 wires 240/208 - 60 - 1
Electrical element #1 @ 240V /
208V (Kw)
5/ 3.7 5/ 3.7 4/ 3.1 5/3.7 4/ 3.1 5/ 3.7 5/ 3.7 4/ 3.1 5/ 3.7 5/ 3.7 5/ 3.7
Electrical element #2 @ 240V /
208V (Kw)
5/ 3.7 5/ 3.7 5/ 3.7 5/3.7 5/ 3.7 5/ 3.7 5/ 3.7 5/ 3.7 5/ 3.7 5/ 3.7 5/ 3.7
Electrical element #3 @ 240V /
208V (Kw)
5/ 3.7 4/ 3.1 5/3.7 4/ 3.1 5/ 3.7 5/ 3.7 4/ 3.1 5/ 3.7 5/ 3.7 5/ 3.7
Electrical element #4 @ 240V /
208V (Kw)
5/ 3.7 5/ 3.7 5/ 3.7 5/ 3.7 5/ 3.7 5/ 3.7 5/ 3.7 4/ 3.1 5/ 3.7
Electrical element #5 @ 240V /
208V (Kw)
5/ 3.7 5/ 3.7 5/ 3.7 5/ 3.7 4/ 3.1 5/ 3.7
Electrical element #6 @ 240V /
208V (Kw)
4/ 3.1 5/ 3.7
Blower motor Consumption @
240V / 208V (Amp. Max.)
2.3 / 2.7 2.3 / 2.7 2.3 / 2.7 2.3 / 2.7 2.3 / 2.7 2.3 / 2.7 5.2 / 6.0 5.2 / 6.0 5.2 / 6.0 5.2 / 6.0 5.2 / 6.0
Heating Elements Consumption
@240V / 208V (Amp)
41.4 /
35.9
62.1 /
53.8
75.8 /
65.7
82.8 /
71.8
96.5 /
83.6
103.5 /
89.7
82.8 /
71.8
96.5 /
83.6
103.5 /
89.7
113.6 /
98.5
124.3 /
107.7
Total Consumption @ 240V /
208V (Amp)
43.7 /
38.6
64.4 /
56.5
78.1 /
68.4
85.1 /
74.5
98.8 /
86.3
105.8 /
92.4
88.0 /
77.8
101.7 /
89.6
108.7 /
95.7
118.8 /
104.5
129.5 /
113.7
Ampacity - Terminal block #1 @
240V / 208V (Amp) 2
54.0 /
47.8
78.6 /
69.2
94.7 /
83.2
103.2 /
90.5
119.3 /
104.5
127.7 /
111.8
106.5 /
94.3
122.7 /
108.3
131.1 /
115.6
53.1 /
48.0
57.3 /
51.7
Ampacity - Terminal block #2 @
240V / 208V (Amp) 2
------ ---90.0 /
78.0
98.4 /
85.2
Breaker size - Terminal block #1
@240V / 208V (Amp) 2
60 / 50 80 / 70 100 / 90 125 / 90 125 /
125
150 /
125
125 /
100
125 /
125
150 /
125
60 / 50 60 / 60
Breaker size - Terminal block #2
@240V / 208V (Amp) 2
------ ---90 / 80 100 / 90
BLOWER DATA
Motor (HP) / number of speeds 1/2 HP ECM EON 1 HP ECM EON
Nominal blower size (diam. X
width)
12 x 8 12 x 9
Maximum CFM - traditionnal
ducts / Smart Ducts
1300 / 1000 2100 / 1500
Maximum cooling capacity -
traditionnal ducts / Smart
Ducts
3/ 2.5 tons 5/ 3.5 tons
GENERAL INFORMATION
Overall dim. (width x depth x
height)
22" x 22" x 36.5"
Supply 20” x 20”
Return 18” x 18”
Filter quantity and size (1) 20" x 20"
Shipping weight 48 Kg / 105 lbs
1) Select a blower speed that will generate the specified temperature rise.
2) Calculated on the basis of standard C22.2-236.
12

Figure 9: Furnace Dimensions
451mm
17 3
4
"
451mm
17 3
4
"
RETURN
483mm x 483mm
19" x 19"
RETOUR
Identical on the 2 sides,
the back and below.
KOE
Identical on the 2 sides
Identique sur les 2 cotés
KOE
A= 35mm @ 44mm
1 3/8" & 1 3/4"
B= 29mm
7/8"
A
B
Identique sur les 2 cotés,
au dos et en dessous
DNS1455 rev.C
927mm
36 1/2"
559mm
22"
559mm
22"
25mm
1"
25mm
1"
SUPPLY
ALIMENTATION
508mm x 508mm
20" x 20"
REVISIONS
REV. DESCRIPTION A/C DATE PAR
Table 3: Heating Airflow (CFM), SUPREME Modulating
Power (kW)
∆T (°F) 10 15 18 20 23 25 27 30
45 690 1030 1240 1380 1580 1720 1860 2070
50 620 930 1120 1240 1430 1550 1670 1860
55 560 850 1010 1130 1300 1410 1520 1690
60 520 780 930 1030 1190 1290 1400 1550
65 480 720 860 950 1100 1190 1290 1430
70 440 660 800 890 1020 1110 1200 1330
75 410 620 740 830 950 1030 1120 1240
80 390 580 700 780 890 970 1050 1160
13

Figure 10: Electrical diagram, SUPREME Modulating
ELECTRICAL DIAGRAM / DIAGRAMME ÉLECTRIQUE
MODULATING/MODULANTE ECM
* *
*
*
14

Figure 11: Parts list, SUPREME Modulating
24
21 34
21
13
12
6
22
23
5
25
26 20
36
29
27
33
35 34
31
28 32
30 14
19
15 16
18
B50150 rev.F
17
10
9
7
11
8
REVISIONS
REV.
DESCRIPTION
A/C
DATE
PAR
A
Nouveau dessin
22267
2015-04-27
F.H.
B
Ajoute Ass triac
22344
2015-06-03
F.H.
C
Ajoute support de filtre. Change item 1
22391
2015-07-01
F.H.
D
ÉTIQUETTE X00505 (#24) & X50053 (#22) AJOUTÉES
B03298 & B03299 ÉTAIENT -02
10NOV2021
M.L.
E
PUSIEURS ITEMS ENLEVÉS
31MAR2022
M.L.
F
PLUSIEURS ITEMS ENLEVÉS
02FEV2023
M.L.
15

Table 4: Parts List, SUPREME Modulating
# Item Description Note
1 B04343-04 Left panel assembly Insulation included
2 B04344-02 Back panel assembly
3 B04343-02 Right panel assembly Insulation included
4 B04302-01 Top front panel
5 K03079 Electronic card assembly
6 L01J006 Breaker 60A
7 B04000-01 Terminal 4 positions
8 L05F013 Terminal 12 positions
9 B04550-07 Components support assembly 1 breaker
9 B04550-08 Components support assembly 2 breakers
9 B04550-09 Components support assembly 3 breakers
10 L01J001 Breaker 15A
11 B04403 Electrical kit breaker
12 B04350-03 Top door
13 B04349 Bottom door
14 Z01I036 Blower 112-9R 20 @ 30kw 1hp
14 Z01I035 Blower 112-8R 10 @ 25kw 1/2hp
15 B01889 Motor support band and legs
16 B03811-27 Motor ECM 1/2hp (prog) 10 @ 25kw
16 B03813-18 Motor ECM 1hp (prog) 20 @ 30kw
17 B04415 Electronic wire kit 10kw
17 B04414 Electronic wire kit 15kw
17 B04413 Electronic wire kit 18 @ 20kw
17 B04412 Electronic wire kit 23 @ 25kw
17 B04404 Electronic wire kit 27 @ 30kw
18 B04285 Blower wire kit
19 B03141-02 Inductor
20 B04375 Triac card assembly
21 B04374-01 Blower assembly 10 @ 25kw 1/2hp
21 B04374-02 Blower assembly 20 @ 30kw 1hp
22 B04420 Fan separator
23 B04309 Fan slide
24 B04303 Floor
25 B04402 Triac wire kit 27 @ 30kw
25 B04408 Triac wire kit 23 @ 25kw
25 B04409 Triac wire kit 18 @ 20kw
25 B04410 Triac wire kit 15kw
25 B04411 Triac wire kit 10kw
26 A00444 Electronic triac kit
27 B04351-01 Element assembly 4kw
27 B04351-02 Element assembly 5kw
28 B04369-01 Electrical power kit
29 L01H030 Relay DPST 22VDC
30 B04308 Hi-limit deflector
31 R02N028 Hi-limit 100+/-5.5C
32 B04315-01 Element plate
33 L01F010 Transformer 208/240/24
34 L99F007 Terminal block 600V/175A (1423570) 3 positions
35 L99F008 Terminal block 600V/175A (1422570) 2 positions
36 B04306 Deflector
16

Table 5: Accessories
Item Description Note
BRB-SUP Bottom return base Ref: B04452
DFB-SUP Base for downflow Ref: B03310-03
K03081 Heat pump interface kit
K06020 Filter rack
17