Quality Craft MM910-33ECN User manual

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IMPORTANT:
Please note when you open the carton, carefully check the
unit and make sure there is no damage. If you have any
problems with assembling the unit, with how the various
functions work or with damage or missing parts please call
1-800-459-4409 (9:00am - 5:00pm EST) immediately for
service.
NOTE: DO NOT RETURN UNIT TO THE STORE BEFORE CALLING
THE TOLL FREE NUMBER. Do not dispose of your cartons until
you are completely satisfied with your new heater.
NOTE: Light bulbs may become loose during shipping. If the
flame effect is dim or does not work, please check that the
light bulb or bulbs are finger tight in socket. See instructions
for replacing the bulb or bulbs.
INSTRUCTION MANUAL
ATTENTION:
1. Find a location for the fireplace heater that is protected from
direct sunlight.
2. Do not plug the unit into the power outlet before reading all
instructions.
SAVE THESE INSTRUCTIONS
FOR FUTURE USE.
IMPORTANT SAFETY
INSTRUCTIONS
WHEN USING ELECTRICAL APPLIANCES, BASIC PRECAUTIONS
SHOULD ALWAYS BE FOLLOWED TO REDUCE THE RISK OF FIRE,
ELECTRIC SHOCK, AND INJURY TO PERSONS, INCLUDI NG THE
FOLLOWING:
1) Read all instructions before using this electric fireplace heater.
2) This electric fireplace heater is hot when in use. To avoid
burns, do not let bare skin touch hot surfaces. The grill directly
in front of the heater outlet becomes hot during heater opera-
tion. Keep combustible materials, such as furniture, pillows,
bedding, papers, clothes, and curtains at least 3 feet (0.9 m)
away from the front of the unit and keep them away from the
sides and rear.
3) Extreme caution is necessary when any heater is used by, or
near, children or individuals with disabilities and whenever the
fireplace is left operating and unattended.
4) Always unplug fireplace when not in use.
5) Do not operate any electric fireplace with a damaged cord or
plug or after the heater malfunctions, has been dropped or
damaged in any manner.
6 Do not use outdoors.
7) This electric fireplace heater is not intended for use in
bathrooms, laundry areas and similar indoor locations. Never
locate heater where it may fall into a bathtub or other water
container.
8) Do not run cord under carpeting. Do not cover cord with throw
rugs, runners, or similar coverings. Arrange cord away from
traffic area and where it will not be tripped over.
9) To disconnect fireplace, turn controls to off, then remove plug
from outlet.
10) Connect to properly grounded outlets only.
11) Do not insert or allow foreign objects to enter any ventilation
or exhaust opening as this may cause an electric shock or
fire, or damage the heater.
12) To prevent a possible fire, do not block air intakes or exhaust
in any manner. Do not use on soft surfaces, like a bed, where
openings may become blocked.
13) A heater has hot and arcing or sparking parts inside. Do not
use it in areas where gasoline, paint, or flammable liquids are
used or stored.
14) Use this fireplace heater only as described in this manual. Any
other use not recommended by the manufacturer may cause
fire, electric shock, or injury to persons.
15) Avoid the use of an extension cord because the extension cord
may overheat and cause a risk of fire. However, if you have to
use an extension cord, the cord shall be No.14 AWG minimum
size and rated not less than 1875 watts.
16) Caution: Do not plug this product into a receptacle controlled
by a wall switch or dimmer.
17) When storing or transporting the unit and cord, keep in a dry
place, free from excessive vibration and store so as to avoid
damage.
ELECTRIC FIREPLACE HEATER
MODEL: MM910-33ECN (NDF-120N)

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CAUTION:
IF YOU USE THIS HEATER IN CONJUNCTION WITH A THERMAL
CONTROL, A PROGRAM CONTROLLER, A TIMER OR ANY OTHER
DEVICE THAT SWITCHES THE HEATER ON AUTOMATICALLY,
REMEMBER TO OBSERVE ALL SAFETY WARNINGS AT ALL
TIMES. THE FIREPLACE HEATER HAS SAFETY OVERHEAT
PROTECTION. IF THE OVERHEAT PROTECTION TRIPS, SWITCH
OFF ALL SWITCH BUTTONS AND WAIT APPROxIMATELY 5 -10
MINUTES. IT SHOULD RESET AUTOMATICALLY ONCE THE UNIT
COOLS DOWN.
WARNING: PROCEDURES AND TECHNIqUES IF NOT CAREFULLY
FOLLOWED WILL RESULT IN DAMAGE TO THE EqUIPMENT AND
WILL ExPOSE THE USER TO THE RISK OF SERIOUS INJURY,
ILLNESS OR DEATH.
This electric fireplace heater is for use on 120 volts. The cord has
a plug as shown at A in illustration below. An adapter as shown
at C is available for connecting three-blade grounding-type plugs
to two-slot receptacles. The green grounding plug extending from
the adapter must be connected to a permanent ground such as a
properly grounded outlet box. The adapter should not be used if a
three-slot grounded receptacle is available.
A 15 AMP circuit is required to operate this heater. If the breaker
trips when the heater is used then you may need to move the
heater to another location or unplug other appliances that are on
the same circuit. If you require an extension cord use one that is
rated at 1875 watts.
ASSEMBLY INSTRUCTIONS
PARTS LIST qTY
Fireplace insert ....................................................................... 1
A) Top panel ......................................................................... 1
B) Base panel ....................................................................... 1
C) Upper front panel .............................................................. 1
D) Left front panel ................................................................. 1
E) Right front panel ............................................................... 1
F) Left side panel .................................................................. 1
G) Right side panel................................................................ 1
R) Medium KD screws ............................................................3
S) Wood connectors.............................................................. 8
T) Short KD screws ............................................................... 5
U) Mounting Clips.................................................................. 3
V) Mounting Brackets............................................................ 2
W) KD screws ...................................................................... 45
X) Plastic Connectors .......................................................... 13
Y) SELF REPAIR SET
Touch-up repair paint (bottle)
L-shape bracket...................................................................... 2
Screws for L bracket ............................................................... 8
Plastic connectors................................................................... 1
KD screws.............................................................................. 3
KD nuts.................................................................................. 3
Z) WALL ANCHOR SAFETY CABLE
Wall anchor ............................................................................ 1
Screw for wall anchor.............................................................. 1
Screw for mantle .................................................................... 1
Safety cable.............................................................................1
TOOL REQUIRED: PHILLIPS HEAD SCREWDRIVER

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MANTEL ASSEMBLY:
CAUTION: PLACE A PIECE OF CARDBOARD OR PROTECTIVE
SHEET ON THE FLOOR IN ORDER TO AVOID SCRATCHING THE
DECORATIVE SURFACE OF YOUR MANTEL DURING ASSEMBLY.
PLEASE DO NOT FULLY TIGHTEN THE KD SCREWS UNTIL ALL
PANELS ARE ASSEMBLED.
NOTE: EACH PLASTIC CONNECTOR IS PRE-ASSEMBLED (PRE-
DRILLED) ON THE SPECIFIC PANELS WITH 2 SCREWS. IF THE
KD SCREW(S) DO NOT FIT DURING ASSEMBLY, LOOSEN THE 2
(PRE-DRILLED) SCREWS TO ADJUST THE PLASTIC CONNECTOR
UNTIL THE KD SCREWS ARE ABLE TO BE INSTALLED. TIGHTEN
ALL KD SCREWS ONCE ALL PANELS ARE ASSEMBLED.
Step 1: Attach 13 plastic connectors [X] to Panel C, D E, F and G
with 26 KD screws [W] as shown in Fig. A. (2 KD screws [W] for
each plastic connector). Attach 2 wood connectors [S] to panel C
with 4 KD screws [W] (2 KD screws for each wood connector).
See Fig. A.
Fig. A
Step 2: Attach left front panel [D] to left side panel [F] with 2 KD
screws. Attach right front panel [E] to right side panel [G] with 2
KD screws [W]. See Fig. B.
Fig. B
Step 3: Attach left front panel [D] and left side panel [F] to base [B]
with 3 KD screws [W]. Attach right front panel [E] and right side
panel [G] to base [B] with 3 KD screws [W]. See Fig. C.
Fig. C
Step 4: Attach upper front panel [C] to left and right front panel [D
and [E] with 2 KD screws [W]. See Fig. D.
Fig. D

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Step 5: Attach top panel [A] to the unit as shown in Fig. E with 3
KD screws [W]. See Fig. E.
Fig. E
Step 6: Tighten all KD screws.
FIREPLACE INSERT INSTALLATION:
The fireplace insert can be installed after the mantel has been fully
assembled.
WARNING: Make sure the fireplace insert controls are in the
OFF position and the unit is NOT plugged in.
Step 1: Carefully place the INSERT in the unit opening. The front
of INSERT should be flush with the front of the mantel. Carefully
lift the INSERT into the mantel until the top stopper is against the
mantel.
Fig. F
Step 2: Attach 3 Mounting Clips [U] to the top side of insert with
3 Medium KD screws [R]. Attach 2 Mounting Brackets [V] to the
bottom of insert with 2 Short KD screws [T]. See Fig F.
Step 3: Move assembled unit to desired location. Unit should not be
positioned in area exposed to direct sunlight.
OPERATION
After reading complete instructions, confirm all controls on fireplace
are in the OFF position. Plug the fireplace into a 15AMP/120Volt
outlet. If the cord does not reach, you may use an extension cord
rated for a minimum of 1875 WATTS. Once the fireplace insert has
been properly connected to a grounded electrical outlet, it is ready
to operate.
OPERATION BY THE CONTROL PANEL
The controls are located behind the 2 front covers at the top right
and left corners of the insert, and can be accessed by gently push-
ing the bottom of the covers.
O/I: Press this button for main power and flame effect. The indica-
tor light will turn on. See below for other control switches.
750W: For low heat function - Press this switch while the O/I switch
is in the on position for low heat. The indicator light will turn on.
1500W: For high heat function - Press this switch while the O/I
switch and the 750W switch are in the on position for high heat.
The indicator light will turn on.
Temperature Control: To adjust the temperature to your individual
requirements, turn the temperature control dial to the right (clock-
wise) to increase the desired temperature and to the left for lower
temperature. This temperature control dial can only be used while
the O/I switch and 750W & 1500W switches are in the ON position.
Dimmer Control Knob: Turn the dimmer dial clockwise or counter
clockwise to get the desired flame intensity. The dimmer switch can
only be used when the O/I switch is in the on position.
Note: When the O/I switch is turned off, all other heater functions
will stop even though the switches may be in the on position.

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MAINTENANCE
WARNING:
Disconnect power and unplug the power cord before attempting
any maintenance or cleaning to reduce the risk of fire, electric
shock or damage to persons. The bulbs in your unit can become
extremely hot. Allow at least 10 minutes between turning off the
unit and removing the light bulbs to avoid the accidental burning of
the skin.
RISK OF FIRE: DO NOT ExCEED THE RECOMMENDED BULB
WATTAGE.
REPLACING THE FLAME EFFECT LIGHT AND LOG-SET
LIGHT BULBS
Step 1: Remove the 2 screws on the front of the fireplace and
open the glass window.
Step 2: Remove the screws from both sides of the log set bed.
Step 3: Remove the log set bed. You will find 2 x 40 Watt type
E-12 bulbs.
Step 4: Loosen, remove and replace the burnt out bulb(s).
Step 5: Set the log set bed back into place and re-attach the
screws.
Step 6: Close the glass window and re-attach the screws.
Step 7: Plug in the unit.
REPAIR SET
TOUCH-UP REPAIR PAINT
Paint directly on the mantel unit if necessary. Fig. A.
Fig. A
REPAIRS
If any problems are found with the original parts during mantel
assembly such as the panels cannot be installed with the plastic
connector. Try to solve by one of the following methods.
Tools required: Electric drill, drill bits 3/4 inches (10 mm) or 1/16
inches (2 mm), pencil, hammer, Philips screwdriver, safety goggles
and gloves (if necessary).
WARNING: Wear goggles before you start drilling.
Option 1:
Use the spare KD NUTS, KD SCREWS and PLASTIC CONNECTOR.
1. Place the PLASTIC CONNECTOR on the mantel unit and mark the
drill-holes as shown in Fig. B.

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Fig. B
2. Drill the holes with diameter 3/4 inches (10 mm) and depth
3/4 inches (10 mm) on the mantel. Each PLASTIC CONNECTOR
needs 3 holes. See Fig. C.
Fig. C Fig. D
3. Gently install the KD NUTS into the drilled-holes with hammer
as shown in Fig. D.
4. Attach the PLASTIC CONNECTOR and lock in place with KD
SCREWS as shown in Fig. E.
Fig. E
Option 2:
Use the SMALL L-BRACKETS and SCREWS.
1. Place the SMALL L-BRACKET to the unit as shown and mark
the drill-holes on the mantel as shown in Fig. F.
Fig. F
2. Drill the holes with diameter 1/16 inches (2 mm) and depth
5/16 inches (8mm) on the mantel. Each SMALL L-BRACKET
needs 4 holes. See Fig. G.
Fig. G Fig. H
3. Attach the SMALL L-BRACKET and lock in place with SCREWS
as shown in Fig. H.
CLEANING
To clean unit first turn off controls on unit and unplug the unit
from power source. To clean glass display panel; remove dust
with clean dry cloth or to remove finger prints and other marks
clean glass with clean damp cloth. Do not use abrasive cleaners
or spray liquids on glass display panel surface. Metal and metal
painted parts should be cleaned with damp cloth. Do not use
abrasive cleaners or spray liquids on these surfaces.
WARRANTY
Every electric fireplace heater is tested before it leaves the factory
and it is guaranteed for one year. If the unit should fail to operate
correctly within one year from the date of purchase, call customer
service at 1-800-459-4409 (EST). We will, at our discretion

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either repair or replace the unit. It will have to be returned to us
freight prepaid and we will return the repaired or replaced unit to
you freight prepaid. The company’s sole obligation is to repair or
replace the unit.
This warranty is void if in the opinion of Quality Craft the unit has
been tampered with, altered, misused, damaged, abused or used
with the wrong power source. Light bulbs are not covered by this
warranty. The warranty is for homeowner use only and does not
cover units used in commercial situations.
Imported by
quality Craft
Laval, Quebec, Canada H7S 2G7
1-800-459-4409 (EST)
www.qualitycraft.com
Made in China