Newmac CL 86C Service manual

Installation Operating And Service Manual
United States Stove Company
227 Industrial Park Rd.
South Pittsburg, TN 37380
Email: www.newmacfurnaces.com
Phone: [phone]Subject to change without notice D2210040F-4503i
THE INSTALLATION OF THE UNIT SHALL BE IN ACCORDANCE WITH THE REGULATIONS OF THE AUTHORITIES HAVING
JURISDICTION. READ AND SAVE THESE INSTRUCTIONS
COMMERCIAL COMBINATION FURNACE
MODELS: CL86-96C,CL86-96G,CL115-170C,CL115-170G

2
It is the responsibility of the consignee of the unit to examine the packages for damages, and if found, to note
the same on the Carrier’ Bill of Lading.
PACKAGE # 1 – Heat exchanger with end panels and side panel installed, lters, draft regulator, accessory
carton, brick rack, if brick liner, in rebox. CL 115-170G have 5 grates, 9 liner pieces and 1
shaker handle in rebox. CL 86-96G have 3 grates, 6 split brick and shaker handle in rebox,
CL 86-96C have 8 split brick in rebox.
PACKAGE # 2 – Blower section with blower installed, blower belt attached.
PACKAGE # 3 – Oil Burner box with oil burner, primary relay, cell and nozzle.
PACKAGE # 4 – Firebrick CL 86-96C – 20 full brick
CL 86-96G – 20 full brick
CL 115-170C – 30 full brick
Accessory Carton – Wire harness, fan limit control, solid fuel and oil burner thermostats, junction box with relay
transformer mounted, blower motor and pulley, draft fan package, Instruction Manual.
COMBINATION FURNACES
GENERAL INSTRUCTIONS
MODEL AERO BTUH INPUT BTUH OUTPUT NOZZLE PUMP (p.s.i.) INSERTION
CL86 F-AFC-2-8 105,000 86,000 .75 (80 R) 100 7-7/8”
CL96 F-AFC-2-8 119,000 96,000 .85 (80 R) 100 7-7/8”
CL115 F-AFC-3-8 140,000 111,000-109,000 1.00 (80 R) 100 7-7/8”
CL140 F-AFC-3-8 175,000 140,000-138,000 1.25 (80 R) 100 7-7/8”
CL155 F-AFC-3-8 189,000 152,000-150,000 1.35 (80 R) 100 7-7/8”
CL170 F-AFC-3-8 210,000 169,000-168,000 1.50 (80 R) 100 7-7/8”
MODEL BECKETT BTUH INPUT BTUH OUTPUT NOZZLE PUMP (p.s.i.) INSERTION
CL86 SR81RD (NM201) 105,000 86,000 .75 (80 R) 100 7-7/8”
CL96 SR81RD (NM201) 119,000 96,000 .85 (80 R) 100 7-7/8”
CL115 SR81RF (NM202) 140,000 111,000-109,000 1.00 (80 R) 100 7-7/8”
CL140 SR81RF (NM202) 175,000 140,000-138,000 1.25 (80 R) 100 7-7/8”
CL155 SR81RF (NM202) 189,000 152,000-150,000 1.35 (80 R) 100 7-7/8”
CL170 SR81RF (NM202) 210,000 169,000-168,000 1.50 (80 R) 100 7-7/8”
CL86 AFG (NM502) 105,000 86,000 .75 (70 A) 100 7-7/8”
CL96 AFG (NM502) 119,000 96,000 .85 (70 A) 100 7-7/8”
CL115 AFG (NM503) 140,000 111,000-109,000 1.00 (70 A) 100 7-7/8”
CL140 AFG (NM503) 175,000 140,000-138,000 1.25 (70 A) 100 7-7/8”
CL155 AFG (NM503) 189,000 152,000-150,000 1.35 (70 A) 100 7-7/8”
CL170 AFG (NM503) 210,000 169,000-168,000 1.50 (70 A) 100 7-7/8”
MODEL RIELLO BTUH INPUT BTUH OUTPUT NOZZLE PUMP (p.s.i.) INSERTION
CL96 40 F3 (10” BT) 111,000 94,000 0.65 (60W) 150 7-1/2”
CL96 40 F3 (10” BT) 111,000 94,000 0.65 (AB) 150 7-1/2”
CL96 40 F3 (10” BT) 119,000 101,000 0.75 (60W) 130 7-1/2”
CL115 40 F5 (10” BT) 140,000 111,000-109,000 0.85 (60 W) 150 7-1/2”
CL140 40 F5 (10” BT) 175,000 140,000-138,000 1.00 (60 W) 150 7-1/2”
CL155 40 F5 (10” BT) 189,000 152,000-150,000 1.10 (60 W) 150 7-1/2”
Figure 1

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MINIMUM CLEARANCE FROM COMBUSTIBLE SURFACES
Oil burner end 24”
Wood door end 48”
One side 6”
Other side (walkway) 24”
Effective August 2008 Refer to Canadian Building Code
COMBINATION FURNACE INSTALLATION
Check with provincial, state or local codes concerning clearances, chimney requirements and other installation
procedures before installation. Some codes may vary from the requirements set forth in this manual.
To ensure the furnace is on a level foundation and above any possible dampness, a cement pad is recommended.
It is important that the top be level. Install as close to the chimney as possible so that a minimum of pipes and
elbows may be used.
If unit is installed in an enclosed area (furnace room), ventilation must be provided for the burner – minimum of
one square inch for every 1,000 BTU.
1. The NEWMAC COMBINATION FURNACE may be installed with the supply or return air on either side. The
units leave the factory with the return or cold air on the right when viewed looking at the oil burner end. If
it simplies the duct installation to have the supply air on the opposite side, remove the installed panel and
install it on the other side.
2. After placing the heat exchanger on the proper side of the pad, assemble the blower section to the heat
exchanger section by lining up the already punched holes and metal screwing together.
3. Install the oil nozzle in the burner ring assembly, and check to make sure adjustments are as shown. Install
the oil burner by mounting it on the burner mounting plate. Check to make sure the oil burner tube is aligned
with the hole in the combustion chamber.
4. Install junction box, fan/limit control, draft fan and thermostat as shown. Note recommended setting.
In order to prevent short cycling, the heat anticipator in the thermostats must be set at 0.4 amps as indicated in
the diagrams below.
NOTE: For constant fan operation, push the MANUAL-AUTO switch on button to MAN position.
Flue Pipe 18”
Top of Supply Plenum 6”
Supply Plenum and takeoff ducts to 6’ from furnace 6”
Duct beyond 6’ from furnace 1/2”
In USA next 3’ 3”, balance 1”
Return Air is “otherwise certied” to be installed as per CSA B139
Clearances (Unlined Joist Space may be used for the Return Air as there
is no radiation in the Return Air section)
WARNING: The heat anticipator will BURN OUT IF 25 volts are applied directly to thermostat by shorting out
primary control during testing or incorrect wiring. If this happens the warranty on the thermostat is void.
Figure 2

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5. Connect wiring as shown (All models).
6. Install the oil storage tank or tanks according to the instructions supplied by the manufacturer of the pump.
7. Install brick in rebox according to Fig. 10A for CL-86-96G, Fig. 9B for CL-86-96C, and Fig. 9A for CL-115-170C.
For grate installation in CL-86-96G refer to Fig. 10A and for grate and cast liner installation in CL-115-170G
refer to Fig. 10B.
8. Do not use a manual ue pipe damper with this furnace.
9. Caution: If this furnace is used as a replacement for an existing furnace make sure there is a minimum of 6”
clearance above the warm air plenum as far as 6 feet out from the furnace. Beyond 6 feet there must be
a minimum of 1/2” clearance.
This furnace must be connected to a chimney approved for wood burning appliances , ie. ULC S629 (Canada)
and UL103 (US). Newmac recommends an 8” round or 8” square chimney ue (inside dimension), however,
this may be reduced to a 7” providing there is enough draft at the appliance to operate as designed. It is the
responsibility of the installer to ensure there is sufcient draft in all cases. Draft should be between -0.03 and -0.05
ins wc. No other appliance should be connected to this chimney ue, unless the installation conforms to clause
5 of B365 and providing there is sufcient draft.
amended April 2003
The installation must conform with the regulations of the local authorities having jurisdiction with the applicable
Electrical Code, and C.S.A. Standard B139 “The Installation Code for Oil Burning Appliances and Equipment”
and with the regulations in C.S.A. Standard B365 “The Installation Code for Solid Fuel Burning Appliances and
Equipment” when pertaining to supply air plenum clearances and ue pipe installation. The ue pipe must be
black 24 ga pipe minimum.
The ue collar is sized so that a trade size ue pipe ts snugly inside it. Joints in ue pipes, including the connection
at the appliance and the chimney, shall have at least 30mm (1 3/16”) overlap. Flue pipe connections must be
secured with at least 3 metal screws or an equivalent mechanical means; and be made tight in accordance
with good practice.
The ue products may contain carbon monoxide particularly when the wood re is being starved for air (made
to burn at slow rate). Therefore, the ue pipe must seal tight and must not be inserted into the return air stream of
the circulating blower.
Wood storage should conform to local bylaws, and should not be within minimum clearances for combustible
surfaces as shown. This furnace must be installed by a qualied furnace serviceman.
• COMBUSTION AIR: Where fans are used in the fuel storage area, they should be installed so as not to create
negative pressure in the room where the solid fuel burning appliance is located.
• OUTSIDE COMBUSTION AIR: Provision for outside combustion air may be necessary to ensure that fuel-burning
appliances do not discharge products of combustion into the house. Guidelines to determine the need for
additional combustion air may not be adequate for every situation. If in doubt, it is advisable to provide
additional air.
Outside combustion air may be required if:
1. The solid-fuel-red appliance does not draw steadily, experiences smoke roll-out, burns poorly, or back-drafts
whether or not there is combustion present;
2. Existing fuel-red equipment in the house, such as replaces or other heating appliances, smell, do not
operate properly, suffer smoke roll-out when operated, or back-draft whether or not there is combustion
present;
3. Any of the above symptoms are alleviated by opening a window slightly on a calm (windless) day;
4. The house is equipped with a well-sealed vapor barrier and tight lifting windows and/or has any powered
devices which exhaust house air;
HONEYWELL L4064
Manual Fan Switch
(if equipped)
Fan On Indicator
Fan Terminal
Fan Off Indicator
Scale Plate
Limit Indicator
Wire Guard
Limit Terminal
LIMIT
LINE LINE
FAN
PUSH MAN
PULL AUTO
LOAD LOAD
CAUTION
Jumper
150
Figure 3

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5. There is excessive condensation on windows in the winter; or
6. A ventilation system is installed in the house.
If these or other indications that inltration air is inadequate, additional combustion air should be provided from
the outdoors.
BELT TENSION
When adjusting the proper pulley setting make certain that the belt is able to ex at least one inch without
movement of the motor pulley.
DUCT INSTALLATION
To prevent excessive noise and temperature rise, limit the minimum return air duct size to at least 250 square inches
(in2). Because the unit may be used as a gravity furnace when the power is off, the following is recommended:
1. Locate the furnace as centrally as possible in the building so the best warm air distribution may be enjoyed.
2. Use an extended plenum (central duct) at least one size larger than called for in National Warm Air Standards.
3. Use a minimum pipe size of six inches in diameter in runs and in no case smaller than ve inch diameter.
4. Slope extended plenum and runs as much as possible to facilitate gravity ow of warm air.
Minimum Duct Sizes
Model Return Air Supply Air Static Pressure
CL86/96 250 sq. in. 180 sq. in. .20” W.C.
CL115 250 sq. in. 220 sq. in. .20” W.C.
CL140 250 sq. in. 220 sq. in. .20” W.C.
CL155 280 sq. in. 240 sq. in. .20” W.C.
CL170 300 sq. in. 260 sq. in. .25” W.C.
The provided chart gives the MINIMUM free area duct size. The supply air extended plenum should be 8 – 10 feet
out from the furnace with the sizes shown in the chart, then gradually transitioned to the end of duct system. If
the plenum is lower than 24 inches high, increase the duct size proportionately. The Supply Air free area for CL-115
C&G is the same as CL-140 C&G because the wood burning portion of the furnace can produce 140,000 BTU.
HUMIDIFIER
Install humidier in the return air plenum. This prevents possible damage due to excessive temperatures when
there is a power failure. Metal connecting ducting from the warm air plenum should be used.
OIL FIRED BLOCKED VENT SWITCH - MODEL WMO-1
Refer to the Newmac and Field Controls Instructions enclosed in the WMO-1 package.
Do not use the WMO-1 Blocked Vent Switch with the Newmac SVS Sealed Vent System
When installed on the chimney vent or on the appliance burner plate according to these instructions, the
manually reset WMO- 1 blocked vent switch is designed to shut off power to the oil burner if the hot ue gases
in the chimney vent connector pipe back up sufciently to activate it. The WMO-1 switch is required on new
Newmac oil-red and combination furnaces or boilers installed in Canada. It must be installed by a qualied
installer in accordance with the manufacturer’s installation instructions. Electrical wiring must be in accordance
with applicable codes and the Canadian Electrical Code. Before leaving the appliance check that the WMO-1
switch and its cover are tightly secured.
Figure 5
Figure 4

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INSTALLATION ON THE BURNER PLATE - COMBINATIONS
1. Remove the 5/8” diameter plug in the burner plate. Cut or le a hole in the rigid breglass insulation, behind
the 5/8” hole in the burner plate, large enough that the WMO-1 securing nut will seat against the back of the
burner plate. Remove one of the securing nuts from the tube of the WMO-1 assembly. Tighten the remaining
nut onto the tube as far as possible.
2. With the WMO-1 assembly outside the burner plate, insert the threaded tube end into the 5/8” diameter
hole in the burner plate, re-install the rst securing nut onto the tube on the inside of the burner plate. Tighten
securely.
CAUTION: Disconnect the electrical power supply before wiring the WMO-1 assembly.
3. Using suitable AC90 exible (BX) conduit or equivalent, wire the WMO-1 switch in series with the appliance
limit circuit. Connect at the burner junction box.
4. Check the operation of the WMO-1 switch before leaving the appliance. The WMO-1 switch is reset by
pushing the square red button.
WMO-1 BLOCKED VENT SWITCH CHECK
Note: take appropriate precautions - this test can produce soot, smoke and fumes. The appliance should not be
left unattended during the test.
1. With the appliance shut down, block the vent pipe at the downstream (chimney) side of the barometric
damper.
2. Start the appliance.
3. The WMO-1 switch should stop the oil burner in less than 10 minutes.
4. After the test, turn off the appliance and let it cool.
5. Remove the blockage from the vent pipe.
6. Reset the WMO-1 switch by pushing in the square red button until it clicks.
7. Ensure that the appliance is in a safe condition.
MAINTENANCE AND CLEANING
The WMO-1 switch assembly should be checked and cleaned at least once a year and after any time the switch
has shut off the burner.
CLEANING PROCEDURE
1. Switch off the electrical power to the appliance.
2. Remove the WMO-1 cover.
3. Remove the two mounting screws for the thermodisc temperature sensor.
4. Carefully pull the sensor to one side.
5. Using a suitable soft brush or cloth carefully clean any soot from the surface of the sensor and the inside of
the 5/8” diameter tube.
6. Replace the sensor and secure with its mounting screws.
7. Check that the wiring is in good condition and secure.
8. Check that the 5/8” diameter tube and its securing nuts are tight.
9. Replace the cover and tighten the mounting screws.
10. Check the operation of the WMO-1 switch as described above.
TROUBLESHOOTING
If for any reason the WMO-1 switch shuts the appliance down during operation, the cause of the shut down
should be investigated and corrected before resetting the switch and restarting the appliance. The blockage
switch is reset by pushing the square red button until it clicks.
Securing Nut
5/8" hole
WMO-1
Burner Plate
Viewport
Securing Nuts
WMO-1
Burner Plate
Burner
View Port
Tube Horizontal
Cad
Cell
T
T
F
F
Limit
Motor
Ignition
WMO-1 Primary Control
Connect WMO-1 at
appliance junction box
CL series combination furnaces:
Connect WMO-1 at the burner
control junction box
(except CL series)
Burner
N
Figure 6A Figure 6B Figure 6C

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Figure 7 - FLUE PIPE CONNECTION & MINIMUM INSTALLATION CLEARANCES

8
Figure 8 - CONTROL LOCATIONS
Combination Models Cl 115C-170C Firebox
Installation Procedure With Stainless Steel Front
Combination Models Cl86c-96C Firebox
Installation Procedure With Stainless Steel Front
Figure 9A Figure 9B

9
GRATES
Shipping retainer should be removed to
allow grates to turn and shake freely.
TO REMOVE A GRATE
1. Remove front casting
2. Slide grate as far forward as possible
3. Lift rear end of grate approximately
6 inches
4. Slide grate back toward rear of
rebox and up
TO INSTALL A GRATE
1. With rear end of grate higher than
front end slide grate forward so shaft
is through grate retaining hole at
front of rebox.
2. Lower rear end of grate and slide
rear shaft of grate into rear retaining
hole.
3. Replace front casting if coal is to be
burned.
FRONT CASTING
Use for coal burning only.
Installation in CL86-96G
1. Remove top brick lock
2. Put casting through redoor and
hold tight to inside front of rebox
above the brick. Square pattern on
casting should be facing into the
rebox.
3. Lower casting so it rests on round
shaft of grates.
FRONT CASTING
Use for coal burning only.
Installation in CL115-170G
1. Put casting through redoor and
hold tight to inside front of rebox
above top of liners. Square pattern
on casting should be facing into the
rebox.
2. Lower casting so it rests on round
shaft of grate.
CAST LINERS
In CL115-170G - Hook liner pieces in
retainers as shown. Install on sequence
shown by numbers 1 to 6. The other 3
pieces are installed on opposite side
from 4, 5, 6 beginning at back corner.
NOTE: This front casting is not required
when burning wood. However, this
casting or provided grate plate should
be placed on top of the grates for more
efcient wood burning and to prevent
wood coals from falling through and
warping grates.
CL86G-96G FIREBOX
CL115G-170G FIREBOX
Grate Cover
Figure 10A
Figure 10B
Figure 10C

10
1. When the installation is complete set both burner and solid fuel thermostats to the bottom of the scale.
2. Close the supply switch and turn the solid fuel thermostat above room temperature. The draft fan should
operate.
If this fails to happen, check (a) power supply, (b) voltage on secondary side of control relay – transformer, (c)
correct wiring hook up, (d) correct voltage at fan motor. If (a) to (d) check OK, the fan is defective.
3. Open the line switch, turn the solid fuel thermostat to its lowest setting and the oil burner thermostat above
room temperature. Remove the air bleed plug from the pump (refer to Diagram attached to pump) (a)
open oil supply valve, (b) place a container in position to catch foam, (c) close the line switch and after
pure oil is emitted, open the line switch and replace bleed plug, (d) close the line switch and the oil burner
should run normally after a few seconds.
4. Adjust oil burner air control so that a # 1 or less smoke is arrived at by means of a smoke test. The damper in
the wood redoor must be closed during this procedure. If a smoke tester is not available, slowly close the
air adjustment until the re becomes smokey. Slowly open the air adjustment until there is a small amount of
smoke on the ame tips.
5. By means of the barometric draft regulator – adjust to a - .03 draft at the chimney. This must be done by
means of a draft meter. The maximum draft is not to be more than - .05 as damage can result to the furnace
when used as a gravity unit. The test must be made between the ue collar on the furnace and the draft
regulator. A ue gas analysis should be made and the unit adjusted so that between a 8 % and 10 % CO2 is
registered.
6. The combination fan & limit switch is thermally operated. The limit side is connected in series to the power
supply to the oil burner. Because of blower failure, dirty lters or some other cause, the present limit will
interrupt the power supply to the burner. If the limit switch shuts the unit down it may be because of a
common fault, not enough return air supply or a supply air grill being covered by a rug. The load side of a
limit also supplies power to the transformer – relay. If the unit goes off on limit, the draft fan will shut off.
7. The fan side of the combination control is adjustable with fan on and off ngers. If the furnace fan has been
adjusted to deliver a 75o F temperature rise (difference between return air and supply air) a setting of fan
on 130o F and off at 90 o - 100 o F is comfortable. The temperature rise in accomplished by speeding up or
slowing down the fan by means of the adjustable pulley on the fan motor. Maximum temperature rise is 85
o F on models CL 115-170, and 75 o F on CL 86-96.
The fan speed is adjusted at the factory to give a 75o F temperature rise at a .20” W.C. or .25”W.C. static
pressure (air resistance in duct work). Since most duct work does not have resistance of the value the fan
speed must be adjusted by means of the following:
With the oil burner operating, place a thermometer in the warm air supply (place thermometer so that it
cannot see the heat exchanger) and measure the temperature after the unit has been operating for at least
5 minutes. (Be sure the blower door is closed) measure the return air (at return air grill). If the difference is less
than 75o F slow the fan speed by opening the motor pulley or is it is greater than 75oF close the pulley. In the
majority of cases the fan must be slowed.
By means of the motor adjustment bracket, adjust the motor so that the belt may be deected approximately
one inch. This adjustment is important as a tight belt causes excessive fan bearing wear, it uses more electricity
and it is noisy.
If the above instructions are followed, continuous air circulation can be comfortably accomplished without
the added expense of a two speed motor, simply by using the manual fan switch on the face of the
combination control.
8. Before loading the solid fuel rebox, turn the thermostat up to ensure that the draft fan is on: after the re
is established set thermostat to desired temperature. IMPORTANT: Learn how to load your solid fuel box
with wood (or coal (G model)) so as to maintain a comfortable temperature. The amount of fuel required
depends upon the building’s heating requirements.
9. The oil burner thermostat on combination furnaces is generally set about 50 lower than the solid fuel side.
When the solid fuel thermostat is calling for heat, the draft fan is on. If the fuel has been depleted and cannot
keep the temperature up, the oil burner thermostat brings the oil burner on. The NEWMAC COMBINATION
FURNACE has a relay that stops the draft fan when the oil burner comes on, making the oil fuel side efcient,
and making the furnace operate safely.
10. (a) By means of a slide Draft Control above the redoor, you can control the amount of combustion air
allowed into the re box. Move this slide plate to the open position that allows sufcient combustion air in for
the type of solid fuel you are burning. For coal it must be maximum; for wood it will vary with size and type.
For added efciency, when heating with oil only, close the slide plate and adjust your solid fuel thermostat
to its lowest temperature setting.
COMBINATION OPERATING INSTRUCTIONS

11
(b) Furnace label illustration
11. For safe operating procedures for solid fuel burning, refer to the notice label on the furnace.
• The furnace room must have adequate air for combustion. If the unit is in a conned space, on square inch
of free air access for every 1,000 BTU must be provided.
• Use a chimney suitable for solid fuel, which must be kept free of accumulations of soot and ash.
• Accumulations of soot and ash not only create a re hazard but cause poor efciency.
• In case of a soot re, move all thermostats to their lowest setting, close the barometric draft regulator and
call the re department.
POWER FAILURE
In case of a prolonged power failure, remove the blower access doors to allow freer air movements. The draft fan
will be off. If more combustion air is needed, open the damper in the furnace door.
When the electrical power is restored make sure panels are installed in original position and slide plate damper
is closed. DURING POWER FAILURE OPERATION: DO NOT CHARGE the solid fuel side higher than half way up the
liner because overheating may result at the warm air outlets.
GENERAL CARE
This burner is fully automatic in operation. All adjustments have been carefully set and should not be changed.
Keep burner free from excess dirt and moisture. Any oil leaks, however small, should receive immediate attention.
The oil lters should be cleaned once a year by the service man. The motor should be given a few drops of light
oil two or three times a year. No other parts require lubrication.
FUEL
The supply tank should be kept at least one quarter full. Outside underground storage tanks if not equipped with
a special gauge, are gauged by stick. Recommended grade of fuel: No. 2 Furnace Oil.
CAUTION:
1. DO NOT USE GASOLINE CRANKCASE OR ANY OIL CONTAINING GASOLINE.
2. DO NOT TAMPER WITH THE UNIT OR CONTROLS, CALL THE SERVICEMAN.
3. Do not attempt to start burner when excess oil has accumulated, when the heating unit is full of vapour, or
when the combustion chamber is very hot.
4. Do not start the burner unless the blower access door is secured in place.
5. DO NOT BURN GARBAGE OR PAPER IN THE HEATING SYSTEM, AND NEVER LEAVE PAPER OR RAGS AROUND
THE UNIT.
HEATING PLANT
Give your Heating unit the proper care and attention. The use of the furnace as an incinerator is not recommended.
Heating unit ues should be kept clean for economical operation. Dampers are set by installation men and
should not be changed. Free ventilation must be permanently provided in the room where the burner installation
is made.
CONTROLS
The operation of the burner is normally controlled by room thermostat, which may be set for any temperature
desired, usually 70 0 F. If a higher or lower temperature is desired, the indicator should be moved to the proper
point on the scale. To shut down burner at any time, turn main switch to off position.
OIL BURNER OPERATING INSTRUCTIONS
DRAFT CONTROL
OIL ONLY - SOLID FUEL
CLOSED MINIMUM MAXIMUM

12
BURNING WOOD OPERATING INSTRUCTIONS
When installation is complete, close the supply switch and turn the thermostat above room temperature. Check
to make sure the forced draft fan above the re door is operating when the thermostat is set above room
temperature. The draft fan should be off when thermostat is set below room temperature. The maximum draft is
not to be more than - .05 as damage may result to the furnace when operated as a gravity unit. The circulating air
blower speed is adjusted at the factory to give an adequate temperature rise under most conditions. However,
because of various temperatures that can result from burning wood, the blower speed can be adjusted by the
motor pulley. Under no circumstances should the temperature rise be more than 80oF (27oF).
To start the re, turn up the thermostat to Maximum setting to turn ON Forced Draft Fan. Place some newspaper
crumpled up in the bottom of the rebox on top of the minimum requirement of 2” of sand , ash or rebrick. Add
some small kindling and light the re. When the re starts add some larger pieces of kindling or wood until you
have a good re. The idea is to ultimately end up with a good bed of ash and coals which helps to maintain a
good controllable re.
When reloading the rebox there will be a build up of ash and coals from the previous re. Rake the coals mixed
with ash to the front of the rebox which places the coals at the front. Throw in your wood and the re should light
in a few minutes. When the rebox gets full of ash (within one inch of door level), some morning , before loading
the rebox , push or rake the coals to the rear of the rebox. Remove the ash from the front of the rebox using
only the shovel supplied for this purpose. When the ashes only are removed from the front , rake the coals from
the back to the front. Throw in your wood and the re will again be burning in a few minutes. The re burns best
when the ashes are 3” to 4” below the re door level. Return wood thermostat in main living space to regular
setting. For safe operating procedure, refer to the “Notice” label on the furnace.
COMBUSTION AIR CONTROL
The amount of combustion air allowed to enter into the rebox can be controlled by means of the Draft Control
slide on the draft fan mounting plate. Set this slide plate to the position that allows sufcient combustion air in for
the type of solid fuel being burned. Normally the setting is in the center between maximum and minimum, then
if additional control is needed it can be adjusted accordingly. When burning coal it must be set at maximum, for
burning wood it will vary with size and type. DO NOT LET THE COALS/ASHES BUILD UP ANY HIGHER THAN HALF WAY
UP THE FIRE BOX LINER.
POWER FAILURE
In case of prolonged power failure, remove the blower access door and air lters. The draft fan will be off, so if
more combustion air is needed for the wood re, open the slide plate damper in the re door. This damper must
be closed when power is returned to normal. DO NOT CHARGE the re box higher than half way up the liner as
overheating may result.
NOTE: Before loading the re box, turn the thermostat up to ensure that the draft fan is on. This provides an air
curtain to avoid smoke roll out during loading and fans the coals to assist the ignition process of your new fuel.
It also helps to promote draft when there is inadequate draft. After the re is established, set the thermostat to
desired temperature.
SUMMER SHUT DOWN
When burner is not to be used during the summer months turn off burner main switch. If the heating unit room is
damp, protect burner against dirt and moisture with light cover.
SAFETY SHUT-OFF
An emergency oil shut-off valve should be installed as required by local ordinance. Always keep the valve shut-
off if the burner is shut down for an extended period of time.
SERVICE
If burner fails to run when the thermostat or other operating control is calling for heat see that the main switch is
turned on and that fuses are not blown. Be sure there is oil in the supply tank and that the electric service to the
building has not been temporarily interrupted. Press button on burner control box and if burner still fails to start call
the service man. A periodic inspection of the burner is recommended.

13
COAL BURNING TIPS
Burn ONLY anthracite (hard) coal of the “chestnut” size. Bituminous (soft) coal is not recommended because
it has a high ash and sulfur content which means more cleaning and greater pollution. Also bituminous coal
produces excessive smoke and an excessive amount of dirt and ash, which will plug the heating unit and the ue
pipe possibly causing smoke damage or danger of carbon monoxide poisoning.
Coal is not as easy to burn as wood. It requires patience and a very specic and regular procedure of loading,
shaking, adjusting, etc. If you do not follow the correct procedure, the coal re will go out. This can happen in a
very short space of time and once the process of extinction has started, it is almost impossible to reverse.
After a coal re goes out, all the coal must be emptied from the furnace and the complete starting process must
be repeated. The coal burning learning process is often long and frustrating, but once the proper procedure is
established and followed, coal burning becomes a reasonably simple process, with the benets of long burn
times and evenness of output over the entire length of burn.
STARTING UP A NEW FIRE
The ue draft must be .05” W.C. to allow combustion gases to ow freely out the chimney. Turn the solid fuel
thermostat up to a setting well above th4e room temperature to start the draft fan. Use paper and dry kindling to
start the re. Add small compact pieces of hardwood when the kindling is burning hot. Keep the draft slide plate
in the ash door fully open to establish a hot re. The ash door may be opened for start-up. However, close the ash
door before opening the re door to prevent smoke from emitting out the re door opening.
When a substantial bed of red coals is built up start adding coal, small amounts at a time. Continue adding small
amounts of coal until there is a solid bed of burning coal. Do not add too much at one time. Allow sufcient time
between each small loading (at least 10 to 15 minutes) so that each loading has time to thoroughly ignite before
the next load is put in. For maximum burning efciency, always ll the furnace to the highest level possible. A
deep bed of coal always will burn more satisfactorily than a shallow bed.
Keep the draft fan running until you are sure the re is continuing to burn hot, then turn the thermostat to the
desired room temperature setting. If the ash door has been opened, close it to prevent over ring, which can
severely damage the furnace.
LOADING
Coal should be added to the re at least every twelve hours. Coal never should be added unless there is a
reasonably hot re. If the re is burning hot and there is a deep bed of coals, full loads of coal can be added at
any time. However, if there is not a deep bed of coals, it is best to add small amounts of coal at rst.
SHAKING
Shaking should only be done only with a hot re.
Shaking should be done at least once a day, but not more than twice a day.
Best results from shaking will occur if short “chopping” strokes are used rather than long even strokes.
The amount of shaking is critical. Too little or too much can extinguish a re due to blocked air ow. The proper
amount normally occurs when red coals rst start to drop through onto the bed of ashes. Be sure that a small
amount of ash is left on the grates to protect them from the direct heat of the burning coal. Grates must be kept
level or they will warp.
MAINTENANCE
Ashes never should be allowed to accumulate in the ash pit so they in any way impede the ow of combustion
air to the re. Excess ash accumulation can cause the re to go out, and also can cause severe damage to the
grates because they cannot cool from a ow of air beneath them. Ashes MUST be removed daily and put in a
metal container with a lid.
Clinkers can occur in any coal furnace. They are pieces of fused ash that are hard. They can become large, and
therefore cannot be shaken through the grates in a coal furnace. When there is an appreciable accumulation,
the re will go out because insufcient air is allowed to pass through the clinkers to the burning coal. Once clinkers
have formed, they can be removed only from above the grates. This usually means the re must be allowed to
die out before they can be removed.

14
MAINTENANCE
Clinker formation can occur from a number of different causes or a combination of causes. Some of these are
as follows:
• Too hot a re (too much draft)
• Too shallow a bed of coals
• Too deep a bed of coals
• Excess shaking
• Poking the re from the top
• Poor quality coal – excess ash content
• Too little air (draft) after a long hot re
SAFETY
Whenever a loading door is opened, it always should be cracked slightly before fully opening to allow oxygen
to enter and burn any combustible gases that are present. Failure to do this could result in sudden ignition of the
unburned gases when the door is opened.
A furnace never should be lled with excess coal so that the ue gas exit is in anyway blocked or impeded.
Burning coal generates carbon monoxide. If the ue gas exit is blocked, the carbon monoxide can be forced
out of the furnace into the room with possible fatal consequences. Never burn coal in any furnace that does not
have an airtight, unied chimney system. The furnace should be used only with chimney systems that provide a
strong, reliable draft. With the exception of the start up period, an ash pit door never should be left open. Do not
use an automatic stoker with this furnace.
Failure to follow these instructions may result in poor efciency, excessive corrosion of the heat exchanger and
the possibility of a creosote re.
DAILY
Furnace model with grates must have the ashes removed daily. This is to prevent warping of the grates and
prevent any interruption in the combustion air ow. Ashes must be put in a metal container with a lid on it before
moving the ashes to the outdoors.
MONTHLY
Furnace heat exchanger and uepipe – Furnaces without grates must have ashes removed on a minimum of a
monthly basis depending on the ash build up. The complete heat exchanger and ue pipe should be thoroughly
inspected for creosote deposits, ash buildup, etc. Creosote or ash deposits must be removed by scraping and/
or brushing the deposits from the heat exchanger surfaces. An industrial vacuum cleaner may be used to assist
in the removal of such deposits. A complete cleaning must be done immediately at the end of each heating
season. If this is not done, condensation from the summer , or any other source, will mix with the ash or creosote
and cause corrosion of the heat exchanger. Corrosion is not covered under warranty.
NOTE: Establish a routine for the storage of fuel, care of the appliance, and ring techniques. Check daily for
creosote buildup until experience shows how often cleaning is necessary. Be aware that the hotter the re, the
less creosote is deposited and weekly cleaning may be necessary in mild weather even though monthly cleaning
may be enough in the coldest months. Have a clearly understood plan to handle a chimney re.
CHIMNEY
Chemical chimney cleaners are not recommended as they could damage the furnace heat exchanger and
ue pipe.
One of the most efcient methods to clean a chimney is to lower a stiff brush (chimney brush) tied to a heavy
weight down the chimney on a rope. Work the brush up and down the chimney to scrape the accumulated
creosote and soot off the chimney walls. Remove the residue from the cleanout at the base of the chimney.
SEMI-ANNUALLY
Draft Fan – oil motor with #20 non-detergent oil.
ANNUALLY
Burner Motor and Blower Motor – oil with #20 non-detergent oil. In the spring, after the furnace is shut down for
the summer, clean the heat exchanger of all soot, ash and creosote accumulation, remove all ashes, clean the
ue pipe and clean the chimney.

15
IMPORTANT
• This furnace must be installed according to CSA Standard B139 “Installation Code for Oil Burning Equipment”.
Furnace must be installed as per Newmac clearances. Venting must be installed according to CSA Standard
B365 “Installation Code for Solid Fuel Burning Appliances and Equipment”.
• The solid fuel side of this furnace is designed to burn wood only, unless equipped with grates thus allowing
the burning of coal. Burn anthracite coal only.
• Proper ue draft must be maintained to allow combustion gases to ow freely out the chimney.
• ONLY chimney approved for wood burning may be used, ie. ULC S629-650 C, UL 103 or masonry chimney is
acceptable.
FOR SAFE OPERATION
• Load fuel carefully or damage may result.
• Do not load solid fuel higher than the re box liner.
• Do not use chemical or uid re starters.
• Do not attempt to light a re when there is oil vapour present.
• Minimum ue draft - - .03” W.C.
• Maximum ue draft - - .05”W.C.
• Do not burn garbage, manufactured re logs, gasoline, naptha or crankcase oil.
• Keep the furnace doors tightly closed except for refueling and cleaning.
• Maintain all door seals in good condition.
• To maintain furnace efciency and prevent soot res, clean the heat exchanger, ue pipes, and chimney
at the end of each heating season and as frequently as required during the heating season to prevent
soot accumulation. The furnace and ue must be in good condition. Turn off power to the furnace when
cleaning the furnace and ue.
• Do not store fuel or combustible material within the furnace clearances.
• Do not use salt wood (driftwood gathered from the seashore).
TO PREVENT DAMAGE
• Do not set the ue draft above -- .05” W.C. as the re could burn out of control.
• Do not open the furnace door slide plate damper during normal operation.
• Furnaces with grates must have ashes removed daily.
• Furnaces without grates require a minimum of 2” of sand or ash in the bottom of the re box.
SPECIAL PROCEDURES - POWER FAILURE
1. Remove the blower access door and air lters for better air circulation. If the furnace is in an enclosed area
(furnace room) open the door to the room.
2. To control the re open the slide plate damper in the furnace door. THIS DAMPER SHOULD BE CLOSED FOR
NORMAL OPERATION.
3. Do not load the re box higher than half way up the re box liner.
SOOT FIRE
Close all sources of air that can reach the re through the furnace and draft regulator. Ensure the draft fan
above the re door is turned off. Do not attempt to take the ue pipes down until the re has been completely
extinguished.
RUNAWAY FIRE
This can be caused by too high a ue draft or excessive fueling.
1. Close all sources of air to the furnace. Ensure draft fan is turned off.
2. Set the barometric draft regulator wide open to reduce draft. The excessive heat caused by a runaway re
may damage the furnace safety controls. Their operation should be checked before the furnace is returned
to service. After a soot or runaway re inspect chimney connection and chimney.
CONVERSION OF CL115/170 C & G TO 5 TONS A/C
• 3/4” HP Motor Recommended.
• 7” X 3/4” Blower Pulley Recommended (Standard is 8”).
• 41” Blower Belt required for 7” pulley.
• See A/C wiring diagram with Honeywell 8405A Relay (or equivalent).
• Install a By-Pass damper or blast as per sketch “Typical A/C Coil Installation”.
NOTICE

16
• For CL115, 140, 155, 170, a minimum supply duct free area of 220, 220, 240, 260 sq. in. respectively, must be
maintained at all times during heating the cycle.
• For CL115, 140, 155, 170, a minimum return duct free area of 250, 250, 280, 300, sq. in. respectively, must be
maintained at all times during heating the cycle.
• A/C coils installed above heat exchanger should be located over oil section.
• A/C coils installed above heat exchanger should be located as high as possible and no less than 12 inches
above the top of the heat exchanger.
• A/C coils must not be located on return air side.
• Ensure condensate from coil does not drip onto heat exchanger surfaces.
• Condensate drip trays must be metal.
• Ensure duct sizes are as specied in Installation, Operating and Service Manual.
• Increased air ows may require more frequent air lter maintenance.
Emerson 3/4 h.p. Single Speed Belt Drive Motor: p/n 2020020
3-1/2” X 5/8” VS motor pulley: p/n 2240008.
Blower pulley, 7” X 3/4”: p/n 2240002.
41” Blower Belt: p/n 2240041.
Honeywell 8405A fan center transformer relay: p/n 2010015.
Honeywell 8285A fan center transformer relay: p/n 2010041.
Honeywell 8239B fan center transformer relay: p/n 2010059.
The unit must be installed in accordance with the National Warm Air Heating and Air Conditioning Association
Standards or generally accepted equivalent standards. Consult appropriate provincial, state, or local codes.
Regulations governing installation requirements may vary from the ones presented here
CONVERSION OF CL86 C & G TO 4 TONS A/C
• 1/2” HP Motor Recommended.
• Use existing motor pulley.
• 7” X 3/4” Blower Pulley Recommended (Standard is 8”).
• 39” X 1/2” Blower Belt required for 7” pulley.
• See A/C wiring diagram with Honeywell 8405A Relay (or equivalent).
• Install a By-Pass damper or blast as per sketch “Typical A/C Coil Installation”.
• A minimum supply duct free area of 180 square inches must be maintained at all times during heating the
cycle.
• A minimum return duct free area of 250 square inches must be maintained at all times during heating the
cycle.
• A/C coils installed above heat exchanger should be located over oil section.
• A/C coils installed above heat exchanger should be located as high as possible and no less than 12 inches
above the top of the heat exchanger.
• A/C coils must not be located on return air side.
• Ensure condensate from coil does not drip onto heat exchanger surfaces.
• Condensate drip trays must be metal.
• Ensure duct sizes are as specied in Installation, Operating and Service Manual.
• Increased air ows may require more frequent air lter maintenance.
Emerson 1/2 h.p. Single Speed Belt Drive Motor: p/n 2020003
Blower pulley, 7” X 3/4”: p/n 2240002.
39” X 1/2” Blower Belt: p/n 2240039.
Honeywell 8405A fan center transformer relay: p/n 2010015.
Honeywell 8285A fan center transformer relay: p/n 2010041.
Honeywell 8239B fan center transformer relay: p/n 2010059.
The unit must be installed in accordance with the National Warm Air Heating and Air Conditioning Association
Standards or generally accepted equivalent standards. Consult appropriate provincial, state, or local codes.
Regulations governing installation requirements may vary from the ones presented here

17
Figure 11 - TYPICAL A/C COIL INSTALLATION

18
Figure 12 - WIRING DIAGRAM WITH AIR CONDITIONING

19
Figure 13 - CL SERIES WIRING DIAGRAM

20
Figure 14 - COMBINATION AIR FLOW Figure 15 - AIR CONDITIONING INSTALLATION
Figure 16A - ELECTRODE SETTING FOR AERO AND BECKETT
Figure 16B - ELECTRODE SETTING FOR RIELLO
Figure 16C - BURNER INSERTION
Z
A
B
C
E
DIMENSIONAL RELATIONSHIPS
AERO & BECKETT RIELLO
A 1/8” 5/32”
B 7/16” 13/64”
C 1/16” 5/64” to 7/64”
Z 1-3/8” -
E 7 7/8” 7 1/2
Figure 16D