Amantii SYMMETRY Series Operating instructions

INSTALLER: LEAVE THIS MANUAL WITH THE APPLIANCE
CONSUMER: RETAIN THIS MANUAL FOR FUTURE REFERENCE
1
INSTALLER: LEAVE THIS MANUAL WITH THE APPLIANCE
CONSUMER: RETAIN THIS MANUAL FOR FUTURE REFERENCE
INSTALLER: LEAVE THIS MANUAL WITH THE APPLIANCE
CONSUMER: RETAIN THIS MANUAL FOR FUTURE REFERENCE
SYM-34 (SM-190034-1)
SYM-42 (SM-190042-1)
SYM-50 (SM-190050-1)
SYM-60 (SM-190060-1)
SYM-74 (SM-190074-1)
SYM-88 (SM-190088-1)
SYM-100 (SM-1900100-1)
INSTALLATION /OWNER’S MANUAL
SYMMETRY SERIES
Version:202201

2
TABLE OF CONTENTS
Please read and carefully follow all of the instruction found in this manual. The instructions
included here will assure that you have many years of dependable and enjoyable service
from your Amantii product.
IMPORTANT INSTRUCTIONS ......................................................................................................................................... 3
FCC CAUTIONS .................................................................................................................................................................. 4
UNPACKING AND TESTING APPLIANCE ................................................................................................................... 5
GROUNDING APPLIANCE ............................................................................................................................................... 5
LOCATING THE FIREPLACE ........................................................................................................................................... 5
SYM-34 (SM-190034-1) ......................................................................................................................................................
SYM-42 (SM-190042-1) ...................................................................................................................................................... 7
SYM-50 (SM-190050-1) ...................................................................................................................................................... 8
SYM- 0 (SM-1900 0-1) ...................................................................................................................................................... 9
SYM-74 (SM-190074-1) .................................................................................................................................................... 10
SYM-88 (SM-190088-1) .................................................................................................................................................... 11
SYM-100 (SM-1900100-1) ................................................................................................................................................ 12
MANTEL CLEARANCE ................................................................................................................................................... 13
FOR BATHROOM USE .................................................................................................................................................... 13
OUTDOOR INSTALLATION ........................................................................................................................................... 14
INSTALLATION ................................................................................................................................................................ 15
HARDWIRE INSTALLATION ........................................................................................................................................ 24
MEDIA OPTIONS .............................................................................................................................................................. 25
DECORATIVE MEDIA INSTALLATION ...................................................................................................................... 25
OPERATION ....................................................................................................................................................................... 2
MANUAL OPERATION ................................................................................................................................................... 2
REMOTE CONTROL OPERATION ................................................................................................................................ 27
WIFI OPERATION ............................................................................................................................................................. 30
REPLACEMENT PARTS .................................................................................................................................................. 33
EXPLODED VIEW ............................................................................................................................................................ 34
TROUBLE SHOOTING ..................................................................................................................................................... 35
SERVICE HISTORY .......................................................................................................................................................... 3
WARRANTY ...................................................................................................................................................................... 37

IMPORTANT INSTRUCTIONS
PLEASE RETA N TH S USER GU DE FOR FUTURE REFERENCE
When using electrical appliances, basic precautions should always be followed to reduce the
risk of fire, electric shock, and injury to persons, including the following:
1) Read all instructions before using this fireplace
2) The fireplace is hot when in use. To avoid burns, do not let bare skin touch hot surfaces.
Keep combustible material such as furniture, cushions, bedding, paper, clothes, curtains
at least 3 feet from the front of the unit
3) Extreme caution is necessary when any heater is used near children and whenever the
unit is left operating and unattended.
4) Do not operate a fireplace with a damaged cord or plug, or if the heater has
malfunctioned, the fireplace has drooped or damaged in any manner
5) Not all fireplaces are suitable for use in bathrooms or laundry facilities. Please consult
with individual product literature to confirm suitability
6) Do not run the cord under carpeting. Do not cover cord with throw rugs, runners or the
like. Arrange the cord away from traffic area and where it will not be tripped over
7) Do not modify this fireplace. Use it as described in the manual. Any other use not
recommended by the manufacture may cause fire, shock or injury to persons
8) Do not use this heater with programmer, timer, separate remote-control system or any
other device that switches the heater on automatically, since a fire risk exists if the heater
is covered or positioned incorrectly
9) Disconnect all power supply before cleaning, maintenance or relocation of the fireplace
10) Keep the heater clean. Do not allow any objects to enter any ventilation or exhaust
opening as this may cause electric shock, fire or damage to the heater
11) Do not immerse the cord, plug or any part of the appliance in water or any other liquid
12) n order to avoid a hazard due to inadvertent resetting of the thermal cut-out, this
appliance must not be supplied through an external switching device
3
CAUTION: Procedures and techniques, which, if not carefully followed, will result in damage to
the equipment.
WARNIN : Procedures and techniques, which, if not carefully followed, will expose the user to
the risk of fire, serious injury, illness or death.
Consult with professional electrician and adhere to all code requirements for
installations in bathrooms
SAVE THESE INSTRUCTIONS

FCC CAUTIONS
This device complies with part 15 of the FCC Rules. Operation is subject to the following two
conditions: 1) This device may not cause harmful interference, and 2) this device must
accept any interference received, including interference that may cause undesired
operation.
Any Changes or modifications not expressly approved by the party responsible for
compliance could void the user's authority to operate the equipment.
Note: This equipment has been tested and found to comply with the limits for a Class B
digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a residential installation. This
equipment generates uses and can radiate radio frequency energy and, if not installed and
used in accordance with the instructions, may cause harmful interference to radio
communications. However, there is no guarantee that interference will not occur in a
particular installation. If this equipment does cause harmful interference to radio or television
reception, which can be determined by turning the equipment off and on, the user is
encouraged to try to correct the interference by one or more of the following measures:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
Consult the dealer or an experienced radio/TV technician for help.
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled
environment. This equipment should be installed and operated with minimum distance 20cm
between the radiator & your body.
4

UNPACKING A
ND TESTING APPLIANCE
Carefully remove the appliance from the box.
Prior to installing the appliance test to make sure the appliance operates properly by plugging
the power supply cord into a 120 Volt grounded outlet.
Test all aspects of its operation (
components are operating correctly.
As with most electronic devices your new electric fireplace has been designed to operate at
temperatures between 5 ℃ (41
℉
fireplace to reach room temperature before turning it on.
NOTE: There may be trace of odor during the first few minutes of initial use This is
harmless, normal and will never occur again
GROUNDING APPLIANCE
This appliance is for use on
120 Volts. The cord has a plug as shown in (A). An adapter as
shown in (C) is available for connecting three
receptacles. The green grounding lug extending from the adapter must be connected to a
permanent ground suc
h as a properly grounded outlet box. The adapter should not be used if a
three-
slot grounded receptacle is available.
To disconnect appliance turn controls to off then remove plug from outlet.
LOCATING THE FIREPLACE
Plan where to l
ocate and frame the fireplace. This will save time and money later when you
install the fireplace. Before installation consider the following:
1.
Where the fireplace is located must allow for wall and ceiling clearances
2.
Consider a location where the fireplac
windows or doors.
3.
A 15 ampere 120 Volt 60 Hz branch circuit with proper ground must be available at the
location. Preferably a dedicated branch circuit should be provided to avoid circuit breakers
to trip of fuses to blow.
5
ND TESTING APPLIANCE
Carefully remove the appliance from the box.
Prior to installing the appliance test to make sure the appliance operates properly by plugging
the power supply cord into a 120 Volt grounded outl
et.
Test all aspects of its operation (
manual switches remote and heater) to make sure all
components are operating correctly.
As with most electronic devices your new electric fireplace has been designed to operate at
℉
) and 35 ℃ (95℉
). During the cold winter mon
fireplace to reach room temperature before turning
it on.
NOTE: There may be trace of odor during the first few minutes of initial use This is
harmless, normal and will never occur again
120 Volts. The cord has a plug as shown in (A). An adapter as
shown in (C) is available for connecting three
-
blade grounding type plugs to two
receptacles. The green grounding lug extending from the adapter must be connected to a
h as a properly grounded outlet box. The adapter should not be used if a
slot grounded receptacle is available.
To disconnect appliance turn controls to off then remove plug from outlet.
LOCATING THE FIREPLACE
ocate and frame the fireplace. This will save time and money later when you
install the fireplace. Before installation consider
the following:
Where the fireplace is located must allow for wall and ceiling clearances
Consider a location where the fireplac
e screen will not be exposed to direct sunlight from
A 15 ampere 120 Volt 60 Hz branch circuit with proper ground must be available at the
location. Preferably a dedicated branch circuit should be provided to avoid circuit breakers
Prior to installing the appliance test to make sure the appliance operates properly by plugging
manual switches remote and heater) to make sure al
l
As with most electronic devices your new electric fireplace has been designed to operate at
). During the cold winter mon
ths allow the
NOTE: There may be trace of odor during the first few minutes of initial use This is
120 Volts. The cord has a plug as shown in (A). An
adapter as
blade grounding type plugs to two
-slot
receptacles. The green grounding lug extending from the adapter must be connected to a
h as a properly grounded outlet box. The adapter sh
ould not be used if a
To disconnect appliance turn controls to off then remove plug from outlet.
ocate and frame the fireplace. This will save time and money later when you
Where the fireplace is located must allow for wall and ceiling clearances
e screen will not be exposed to direct sunlight fro
m
A 15 ampere 120 Volt 60 Hz branch circuit with proper ground must be available at the
location. Preferably a dedicated branch circuit should be provided to avoid circuit breakers
Note : Adaptor are NOT for use in Canada

6
SYM-34 (SM-190034-1)
Description Built-in Appliance
Voltage 120V AC 60Hz
Watts 1200W Max
NO HEATER
MOTOR HEATER 19W
Appliance Width 32 3/8” or 82.3 cm
Appliance Height 15 5/8 ” or 39.6 cm
Appliance Depth 5 1/2” or 14 cm
Gross Weight
Plug Location Left side
Cord Length 70 7/8” or 180 cm
Rough Wall Opening
Size
32 7/8”× 16“ or
83.5 cm× 40.6 cm
BTU 4095
This appliance has been tested in accordance
with the UL Standard 2021 for fixed and location
dedicated electric room appliances in the United
States and Canada. If you need assistance
during installation please contact your local
dealer.
NOTE: This appliance must be electrically
wired and grounded in accordance with local
codes In the absence of local codes, use the
current CSA C22 1 Canadian Electrical Code
in Canada or the ANSI/NFPA 70 National
Electrical Code in the United States
15.7W Max
59.3 lbs or 26.9 kgs

7
SYM-42 (SM-190042-1)
Description Built-in Appliance
Voltage 120V AC 60Hz
Watts 1200W Max
MOTOR HEATER 19W
Appliance Width 42 1/4” or 107.2 cm
Appliance Height 15 5/8 ” or 39.6 cm
Appliance Depth 5 1/2” or 14 cm
Plug Location Left side
Cord Length 70 7/8” or 180 cm
Rough Wall Opening
Size
42 3/4”× 16“ or
108.6 cm× 40.6 cm
BTU 4095
This appliance has been tested in accordance
with the UL Standard 2021 for fixed and location
dedicated electric room appliances in the United
States and Canada. If you need assistance
during installation please contact your local
dealer.
NOTE: This appliance must be electrically
wired and grounded in accordance with local
codes In the absence of local codes, use the
current CSA C22 1 Canadian Electrical Code
in Canada or the ANSI/NFPA 70 National
Electrical Code in the United States
NO HEATER
Gross Weight
20.5W Max
71.2 lbs or 32.3 kgs

8
SYM-50 (SM-190050-1)
Description Built-in Appliance
Voltage 120V AC 60Hz
Watts 1200W Max
MOTOR HEATER 19W
Appliance Width 50 1/4” or 127.6 cm
Appliance Height 15 5/8 ” or 39.6 cm
Appliance Depth 5 1/2” or 14 cm
Gross Weight 82.9 lbs or 37.6 kgs
Plug Location Left side
Cord Length 70 7/8” or 180 cm
Rough Wall Opening
Size
50 3/4”× 16“ or
128.9 cm× 40.6 cm
BTU 4095
This appliance has been tested in accordance
with the UL Standard 2021 for fixed and location
dedicated electric room appliances in the United
States and Canada. If you need assistance
during installation please contact your local
dealer.
NOTE: This appliance must be electrically
wired and grounded in accordance with local
codes In the absence of local codes, use the
current CSA C22 1 Canadian Electrical Code
in Canada or the ANSI/NFPA 70 National
Electrical Code in the United States
NO HEATER 24.5W Max

SYM-60 (SM-190060-1)
Description Built-in Appliance
Voltage 120V AC 60Hz
Watts 1200W Max
MOTOR HEATER 19W
Appliance Width 60 1/4” or 153 cm
Appliance Height 15 5/8 ” or 39.6 cm
Appliance Depth 5 1/2” or 14 cm
Gross Weight 94.58 lbs or 42.9 kgs
Plug Location Left side
Cord Length 70 7/8” or 180 cm
Rough Wall Opening
Size
60 3/4”× 16“ or
154.3 cm× 40.6 cm
BTU 4095
This appliance has been tested in accordance
with the UL Standard 2021 for fixed and location
dedicated electric room appliances in the United
States and Canada. If you need assistance
during installation please contact your local
dealer.
NOTE: This appliance must be electrically
wired and grounded in accordance with local
codes In the absence of local codes, use the
current CSA C22 1 Canadian Electrical Code
in Canada or the ANSI/NFPA 70 National
Electrical Code in the United States
NO HEATER 25.7W Max

10
SYM-74 (SM-190074-1)
Description Built-in Appliance
Voltage 120V AC 60Hz
Watts 1200W Max
MOTOR HEATER 19W
Appliance Width 74 1/4” or 188.5 cm
Appliance Height 15 5/8 ” or 39.6 cm
Appliance Depth 5 1/2” or 14 cm
Gross Weight 117.29 lbs or 53.2 kgs
Plug Location Left side
Cord Length 70 7/8” or 180 cm
Rough Wall Opening
Size
74 3/4”× 16“ or
189.9 cm× 40.6 cm
BTU 4095
This appliance has been tested in accordance
with the UL Standard 2021 for fixed and location
dedicated electric room appliances in the United
States and Canada. If you need assistance
during installation please contact your local
dealer.
NOTE: This appliance must be electrically
wired and grounded in accordance with local
codes In the absence of local codes, use the
current CSA C22 1 Canadian Electrical Code
in Canada or the ANSI/NFPA 70 National
Electrical Code in the United States
NO HEATER 28W Max

11
SYM-88 (SM-190088-1)
Description Built-in Appliance
Voltage 120V AC 60Hz
Watts 1200W Max
MOTOR HEATER 19W
Appliance Width 88 1/4” or 224.1 cm
Appliance Height 15 5/8 ” or 39.6 cm
Appliance Depth 5 1/2” or 14 cm
Plug Location Left side
Cord Length 70 7/8” or 180 cm
Rough Wall Opening
Size
88 3/4”× 16“ or
225.4 cm× 40.6 cm
BTU 4095
This appliance has been tested in accordance
with the UL Standard 2021 for fixed and location
dedicated electric room appliances in the United
States and Canada. If you need assistance
during installation please contact your local
dealer.
NOTE: This appliance must be electrically
wired and grounded in accordance with local
codes In the absence of local codes, use the
current CSA C22 1 Canadian Electrical Code
in Canada or the ANSI/NFPA 70 National
Electrical Code in the United State
NO HEATER 30W Max
Gross Weight 136.69 lbs or 62 kgs

12
SYM-100 (SM-1900100-1)
Description Built-in Appliance
Voltage 120V AC 60Hz
Watts 1200W Max
MOTOR HEATER 19W
Appliance Width 100 1/4” or 254.6 cm
Appliance Height 15 5/8 ” or 39.6 cm
Appliance Depth 5 1/2” or 14 cm
Plug Location Left side
Cord Length 70 7/8” or 180 cm
Rough Wall Opening
Size
100 3/4”× 16“ or
255.9 cm× 40.6 cm
BTU 4095
This appliance has been tested in accordance
with the UL Standard 2021 for fixed and
location dedicated electric room appliances in
the United States and Canada. If you need
assistance during installation please contact
your local dealer.
NOTE: This appliance must be electrically
wired and grounded in accordance with
local codes In the absence of local codes,
use the current CSA C22 1 Canadian
Electrical Code in Canada or the
ANSI/NFPA 70 National Electrical Code in
the United States
NO HEATER 31W Max
Gross Weight 156.3 lbs or 70.9 kgs

13
Consult with professional electrician and adhere to all code requirements for
installations in bathrooms
FOR BATHROOM USE
If this unit is installed in a bathroom it must be protected by a GIF receptacle or circuit. If
receptacle is used it must be readily accessible.
To prevent electric shock, please be aware that this unit is an electrical appliance that is
NOT watertight and must be installed as to prevent water from entering unit. This must be
installed away from shows, tubs, etc. Never locate fireplace where it may fall into a bathtub
or other water container.
All wiring connections to line power shall be in accordance with local building code
requirements. Inquires about local codes and regulations must be done prior to installation.
MANTEL CLEARANCE
If this unit is installed in a bathroom it must be
The clearance to the mantel should be 1/2” minimum when a mantel is applied (Measurement
is taken from the trim).
1/2"
Floor
Fireplace
Mantel
Wall
Fireplace

OUTDOOR INSTALLATION
 !"#$% &&'(
)&&$*$+, -(
, .&$$% &'&/0**$+, -1
* 0(


This electric fireplace is suitable for installation in outdoor areas protected from direct water
impingement. In addition to maintaining the listed mantel and combustibles clearances, a
rain protection overhang factor of 1/2 shall be constructed to the front and to each side of the
installed appliance. ee illustration below. All wiring connections to line power shall be in
accordance with local building code requirements. Inquires about local codes and
regulations must be done prior to installation.
14

INSTALLATION-
WALL MOUNT
NOTE: Due to the many different materials use
you consult your local builder before you install this appliance on a wall.
1.
Select a location that is not prone to
moisture and is located at least 0.91 m
or 3 feet away from combustible
materials such as cu
rtains or drapes
furniture bedding paper etc.
2.
Using a spirit level to select a position
in which to mount the heater
horizontally. See Figure 1.
3. Check
the wall to ensure there is no
wiring pipe wires etc in the area to be
drilled. Drill 8 or more hol
es depending
on the size of he unit purchased (8mm
diameter & 40mm depth) using a
suitable size drill bit and insert the wall
plugs into the holes.
4. R
emove the hanger from the fireplace
by removing the screws. See Figure 2.
5. F
asten the hanger to the wall. S
Figure 3.
6. T
o prevent fireplace from moving use
the provided safety screw to fasten the
fireplace to the wall. See Figure 4.
WARNING: Be sure that the bolts have
been fixed firmly enough to withstand
the weight!
15
WALL MOUNT
NOTE: Due to the many different materials use
d to build walls it is highly recommended that
you consult your local builder before you install t
his appliance on a wall.
Select a location that is not prone to
moisture and is located at least 0.91 m
or 3 feet away from combustible
rtains or drapes
furniture bedding paper etc.
Using a spirit level to select a position
in which to mount the heater
the wall to ensure there is no
wiring pipe wires etc in the area to be
es depending
on the size of he unit purchased (8mm
diameter & 40mm depth) using a
suitable size drill bit and insert the wall
emove the hanger from the fireplace
by removing the screws. See Figure 2.
asten the hanger to the wall. S
ee
o prevent fireplace from moving use
the provided safety screw to fasten the
fireplace to the wall. See Figure 4.
WARNING: Be sure that the bolts have
been fixed firmly enough to withstand
d to build walls it is highly recommended that
you consult your local builder before you install this appliance on a wall.

INSTALLATION- BUILT-
IN
NOTE
: Due to the many different materials used to build walls it is highly recommended that
you consult your local builder before you install this appliance on a wall.
Preparation
1.
Select a location that is not prone to moisture and is located at least 0.91m
from combustible materials such as curtains drapes furniture bedding paper etc.
2.
Mark the desired location on the floor and store the appliance in a safe dry and dust free
place.
3.
Prepare a wall with a framed opening to accommodate the s
least 1/4” (6mm) around the edge of the appliance. Any new wiring must be done in
compliance with local and national codes and other applicable regulations.
Prior to installing test the appliance to make sure the appliance is fu
plugging the power supply cord into a 120 Volt grounded outlet.
The rough wall opening size of the fireplace:
16
IN
: Due to the many different materials used to build walls it is highly recommended that
you consult your local builder before you install t
his appliance on a wall.
Select a location that is not prone to moisture and is located at least 0.91m
from combustible materials such as curtains drapes furniture bedding paper etc.
Mark the desired location on the floor and store the appliance in a safe dry and dust free
Prepare a wall with a framed opening to accommodate
the s
ize of your unit. Leave at
least 1/4” (6mm) around the edge of the appliance. Any new wiring must be done in
compliance with local and national codes and other applicable regulations.
Prior to installing test the appliance to make sur
e the appliance is fu
lly operational by
plugging the power supply cord into a 120 Volt grou
nded outlet.
The rough wall opening size of the fireplace:
: Due to the many different materials used to build walls it is highly recommended that
you consult your local builder before you install this appliance on a wall.
Select a location that is not prone to moisture and is located at least 0.91m
or 3 feet away
from combustible materials such as curtains drapes furniture bedding paper etc.
Mark the desired location on the floor and store the appliance in a safe dry and dust free
ize of your unit. Leave at
least 1/4” (6mm) around the edge of the appliance. Any new wiring must be done in
compliance with local and national codes and other applicable regulations.
lly operational by
INSTALLATION
Screw locations
Magnetic stone locations
Log set
1. Unscrew 4 screws to take off the trim and get out the log set. (NOTE: Keep hold of the
front glass as it ma fall down automaticall when the trim is removed.)
W(“) D(“) H(“)
SYM-34(SM-190034-1) 32 7/8 6 16
SYM-42(SM-190042-1) 42 3/4 6 16
SYM-50(SM-190050-1) 50 3/4 6 16
SYM-60(SM-190060-1) 60 3/4 6 16
SYM-74(SM-190074-1) 74 3/4 6 16
SYM-88(SM-190088-1) 88 3/4 6 16
SYM-100(SM-1900100-1) 100 3/4 6 16

3.
Unscrew the 2 screws located on each side and take off the inner side steel panels.
17
Unscrew the 2 screws located on each side and take off the inner side steel panels.
Unscrew the 2 screws located on each side and take off the inner side steel panels.
2. When the trim is removed, take off the front glass panel and get out the log set.
Log set

4.
Put the trim back onto the appliance and fasten with screws.(NOTE: This step is to make
sure that the fireplace fits the wall opening
the wall after installation)
5.
Put the fireplace into the wall opening and fix it to the wall by screwing 2 screws each
side.
18
Put the trim back onto the appliance and fasten with screws.(NOTE: This step is to make
sure that the fireplace fits the wall opening
well and there is no gap between the trim and
Put the fireplace into the wall opening and fix it to the wall by screwing 2 screws each
Put the trim back onto the appliance and fasten with screws.(NOTE: This step is to make
well and there is no gap between the trim and
Put the fireplace into the wall opening and fix it to the wall by screwing 2 screws each

6.
Remove the trim following STEP 1. Screw back the
7.
Put back the front glass panel and screw back the trim after you finish the media
decoration.
1
Remove the trim following STEP 1. Screw back the
inner side steel panels.
Put back the front glass panel and screw back the trim after you finish the media
inner side steel panels.
Put back the front glass panel and screw back the trim after you finish the media

INSTALLATION SEMI-
FLUSH BUILT
NOTE: Please purchase
special trim for the semi
dealer. See dealer for more details.
The rough wall opening size of the fireplace:
20
FLUSH BUILT
-IN WITHIN 2 X 4’S
special trim for the semi
-flush built-
in installation from
dealer. See dealer for more details.
The rough wall opening size of the fireplace:
in installation from
Screw locations
Magnetic stone locations
Log set
1. Unscrew 4 screws to take off the trim and get out the log set. (NOTE: Keep hold of the
front glass as it ma fall down automaticall when the trim is removed.)
W(“) D(“) H(“)
SYM-34(SM-190034-1) 32 7/8 4 16
SYM-42(SM-190042-1) 42 3/4 4 16
SYM-50(SM-190050-1) 50 3/4 4 16
SYM-60(SM-190060-1) 60 3/4 4 16
SYM-74(SM-190074-1) 74 3/4 4 16
SYM-88(SM-190088-1) 88 3/4 4 16
SYM-100(SM-1900100-1) 100 3/4 4 16