Symphony Choir (59) Indoor Units


AboutWall Mount EW SpecsCeiling Cassette EC SpecsCeiling/Wall/Floor Mount EU SpecsRecessed Fan Coil EF SpecsConsole Wall/Floor Mount EL SpecsDownloads

YMGI Symphony CHOIR 59 Series

Multiple-Zone (59)2 and (59)4 Indoor Units
Wall Mount
EW Unit
Our most popular Indoor Unit, the EW indoor unit is a great heating and cooling solution for rooms less than 25’ long or wide. 09K, 12K, 18K and 24K units are available. EW units come with a standard remote control. Each unit has a digital readout that displays unit settings and technician information. The EW units are efficient and quiet. Installation is simple and easily hung on any wall to allow maximum headroom and floor space.

Ceiling Cassette
EC Unit
The EC indoor unit is a heating and cooling solution for large open rooms that are more than 25’ long or wide. 12K and 18K are 23.5” square, allowing easy installation into the 24” joist space and flush mount to the ceiling. 24K units are commonly used in commercial applications. Standard remote or wall mounted thermostats are available. The wall mounted controller has a digital readout that displays unit settings and technician information.

Floor/Ceiling Mount
EU Unit
The EU indoor unit is an effective heating and cooling solution for rooms of any size. 09K, 12K, 18K and 24K units are available. You can choose between a remote, individual wall thermostats or central control thermostat. Each unit has a digital display that easily shows all unit settings and provide technician information when necessary. EU units are efficient and quiet, and they can be installed on a ceiling, wall or floor.

Recessed Fan Coil
EF Unit
The EF indoor unit is the right solution for rooms where surface mounting is not an option. 09K, 12K, 18K, and 24K are available. Individual or centralized wall thermostats makes perfect temperature control just a finger-touch away. EF units are efficient and quiet, and normally are installed above walk-in closets, foyers, or hallways. They can be used in oces, show rooms, lobbies, premium hotel rooms, galleries, libraries, and more.

Console
EL Unit
With it’s thoughtful design, you can keep your head and feet comfortable. High or low wall mounting options, combined with high and low discharge vents allow you to quickly heat or cool whichever portion of the room needs it most, keeping you comfortable all year. The fan can operate at multiple speeds and satisfy different air flow volume requirements. Grille is detachable for easy cleaning. Our long life filter, can go up to 20 times longer between cleaning cycles. 8 1/2 inch compact profile makes installation easy while using minimal wall or floor space. Users and service technicians can use the digital display on the controller to see status and protection or error codes.


YMGI Symphony SOLO Multiple-Zone (59)4 Wall-Mounted EW
The EW indoor unit is the perfect solution for small rooms (less than 25’ long or wide). 09K, 12K, 18K and 24K units are available. EW units come with a standard remote control. Each unit has an integrated readout that displays unit mode and temperature settings through the cabinet shell. The EW units are efficient and quiet. Installation is simple and easily hung on any wall to allow maximum headroom and floor space.

Symphony Choir Multiple Zone (59)4 Indoor Wall Mounted Units
SOLO Wall Mount 09, 12, 18, & 24K

Items Unit/Conditions WMMS-09EW-V2B(59)4 WMMS-12EW-V2B(59)4 WMMS-18EW-V2B(59)4 WMMS-24EW-V2B(59)4
Power Supply Voltage/Ph/Hz 208-230/1/60 208-230/1/60 208-230/1/60 208-230/1/60
Allowed Voltage Range 187-253 187-253 187-253 187-253
Cooling Capacity (Btu/h) High/Med/Low 9600/9000/3100 13000/12000/3100 20000/18000/7160 27300/22000/6800
Heating Capacity (Btu/h) Max./Stand./Min. 14000/13000/2400 12000/11000/1900 23500/19800/7300 30700/23000/6800
ID 70/60 °F, OD 47/43 °F 9500 13000 18700 27400
ID 70/60 °F, OD 17/15 °F 8800 11600 16600 23600
ID 70/60 °F, OD 17/5 °F 8000 9100 13800 20600
SEER Btu/h.W 23 22 20 20
HSPF Btu/h.W 9.0-8.0 8.9-8.0 9.0-8.0 9.0-8.0
Duhumidifying Capacity Pints/Hr. 1.69 2.96 3.8 4.23
Air Flow (CFM) Low/High 171/377 171/400 339/559 530/706
Air-throw (Ft.) Horizontal Installation 35-30 Upon Mounting Height/Speed/Temp.
External Static Pressure Water In. 0 0 0 0
Sound Level Pressure dB(A) (L/H) 26/43 28/45 35/47 36/48
Fan Motor Model MP24BA MP24BA MP35CJ MP35CJ
Shaft Single Single Single Single
Speed (RMP, H/M/L) 1350/1050/750 1400/1050/800 1400/1050/800 1300/900/850
Output (W) 20 20 20 35
RLA (AMP) 0.1 0.1 0.4 0.4
Capacitor (uF) / / / /
Fan Wheel Type-Piece Cross Flow-1 Cross Flow-1 Cross Flow-1 Cross Flow-1
Diameter x Width (In.) Ø3.6 x 25.4 Ø3.6 x25.4 Ø4.2 x 28 Ø4.2 x 32
Swing/Step Motor Model MP24BA MP24BA MP35CJ MP35CJ
Piece 1 1 1 1
Output (W) 1.5 1.5 2.5 2.5
Input Power of Ele. Heater Type-W NA NA NA NA
Electrical Protection Fuse PCB/Transformer T3.15A 250V/0.2A T3.15A 250V/0.2A T3.15A 250V/0.2A T3.15A 250V/0.2A
Evaporator Coil Type Aluminum Fin/Inner Grooved Copper Tube
Color Blue Blue Blue Blue
Copper Line Connections Sealed by Dry Nitrogen Yes Yes Yes Yes
Flare/Nut-Liquid + Gas 1/4” + 3/8” 1/4” + 1/2” 1/4” + 1/2” 1/4” + 5/8”
Drain
Hose Connection
OD (In.) Ø 0.67 Ø 0.67 Ø 0.67 Ø 0.67
Condensate Pump Installed-Lift (In.) NA NA NA NA
Filter Type-Feature Washable Particulate Washable Particulate Washable Particulate Washable Particulate
Qty. 2 2 2 2
Clean Coil Surface Anti-Mildew Function Yes Yes Yes Yes
Pre-heating Function Yes Yes Yes Yes
Remember Presets Power is Lost/Resumed Yes Yes Yes Yes
Auto-Restart Function If Power is Resumed Yes Yes Yes Yes
Unit Dimensions Net WxHxD (In.) 33.4 x 11.4 x 8.2 33.4 x 11.4 x 8.2 38.2 x 11.8 x 8.8 42.4 x 12.8 x 9.7
Package WxHxD (In.) 36.1 x 14.3 x 10.9 36.1 x 14.3 x 10.9 40.9 x 15.0 x 12.0 45.0 x 16.1 x 13.2
Unit Weight Net (LBs) 22.0 22.0 27.6 34.2
Packaged (LBs) 26.5 26.5 34.4 41.9

Items Unit / Conditions WMMS-12EC-V2B(59)2 WMMS-18EC-V2B(59)2 WMMS-24EC-V2B(59)2
Power Supply Voltage/Ph/Hz 208-230/1/60 208-230/1/60 208-230/1/60
Allowed Voltage Range 187-253V 187-253V 187-253V
Cooling Capacity (Btu/h) High/Standard/Low 13900/12000/5200 20800/17200/6200 26500/22800/9600
Heating Capacity (Btu/h) ID 70/60, OD 47/43F 13000 18100 27400
ID 70/60, OD 17/15F 11600 16200 23800
ID 70/60, OD 17/5F 9000 13100 20600
SEER Btu/h.W 16 16 16
HSPF Btu/h.W 8.2 8.2 8.2
Duhumidifying Capacity Pints/Hr. 2.96 3.8 5.28
Air Flow (CFM) High/Medium/Low 353/312/245 353/312/245 694/522/366
Air-throw (Ft.) Horizontal Installation 25-18 Upon Mounting Height/Speed/Temp. 25-18 Upon Mounting Height/Speed/Temp. 25-18 Upon Mounting Height/Speed/Temp.
External Static Pressure Water In. 0 0 0
Sound Level Pressure dB(A) (H/M/L) 39/37/35 39/37/35 45/43/41
Power dB(A) (H/M/L) 49/47/45 49/47/45 55/53/51
Fan Motor Model FN11T-2 FN11T-2 FN35B-1
Shaft Single Single Single
Speed (RMP, H/M/L) 700/600/515 700/600/515 570/520/280
Output (W) 11 11 50
Input (W) 50 50 165
Capacitor (uF) 1 1 3
Fan Wheel Type-Piece Centrifugal-1 Centrifugal-1 Centrifugal-1
Diameter x Height (In.) 11.1 x 5.8 11.1 x 5.8 17.7 x 4.4
Swing/Step Motor Model MP35CB MP35CB MP35CB
Piece 2 2 2
Output (W) 2 2 2
Input Power of Ele. Heater Type-W NA NA NA
Electrical Protection Fuse PCB / Transformer T3.15A 250V / 0.2A T3.15A 250V / 0.2A T3.15A 250V / 0.2A
Evaporator Coil Type Alu. Fin/Inner Grooved Copper Tube Alu. Fin/Inner Grooved Copper Tube Alu. Fin/Inner Grooved Copper Tube
Color Blue Blue Blue
Copper Line Connections Sealed by Dry Nitrogen Yes Yes Yes
Flare/Nut-Liuqid + Gas 1/4″ + 3/8″ 1/4″ + 1/2″ 3/8″ + 5/8″
Drain Hose Connection OD (In.) 1.22 1.22 1.22
Condensate Pump Installed-Lift (In.) Yes-25 Yes-25 Yes-25
Refrigerant Environmentally Friendly R410A Yes Yes Yes
Filter Type-Feature Standard-Washable Standard-Washable Standard-Washable
Size WxH (In.) – Qty. 13.56 x 13.13 – 1 13.56 x 13.13 – 1 21.38 x 21.34 – 1
Clean Coil Surface Anti-Mildew Function Yes Yes Yes
Pre-heating Function Anti-Cold Blowing Yes Yes Yes
Memory of Previous Set-ups Power is Lost/Resumed Yes Yes Yes
Auto-Restart Function If Power is Resumed Yes Yes Yes
Unit Dimensions Net L x W x H (In.) 22.4 x 22.4 x 9.1 22.4 x 22.4 x 9.1 33.1 x 33.1 x 9.4
Package L x W x H (In.) 33.4 x 28.7 x 12.2 33.4 x 28.7 x 12.2 37.8 x 37.8 x 12.2
Unit Weight Net (LBs) 39.7 39.7 66
Packaged (LBs) 50.7 50.7 84
Face Panel Dimensions Net L x W x H (In.) 25.6 x 25.6 x 2 25.6 x 25.6 x 2 37.4 x 37.4 x 2.4
Package L x W x H (In.) 28.7 x 26.4 x 4 28.7 x 26.4 x 4 40.9 x 40.4 x 4.5
Face Panel Weight Net (LBs) 5.5 5.5 14
Packaged (LBs) 8.1 8.1 22
Loading Capacity 20’/40’/40’HQ 102/209/246 102/209/246 72/72/144

Items Unit / Conditions WMMS-09EU-V2B(59)2 WMMS-12EU-V2B(59)2 WMMS-18EU-V2B(59)2 WMMS-24EU-V2B(59)2
Power Supply Voltage/Ph/Hz 208-230/1/60 208-230/1/60 208-230/1/60 208-230/1/60
Allowed Voltage Range 187-253V 187-253V 187-253V 187-253V
Cooling Capacity High/Standard/Low 10700/8500/4600 14100/11900/5900 21500/17000/6800 26500/22800/9600
Heating Capacity ID 70/60, OD 47/43F 9500 13100 18700 27400
ID 70/60, OD 17/15F 8800 11600 16600 23600
ID 70/60, OD 17/5F 8000 9100 13800 20600
SEER Btu/h.W 16 16 16 16
HSPF Btu/h.W 8.2 8.2 8.2 8.2
Dehumidifying Capacity Pints/Hr. 1.7 2.96 3.8 5.28
Air Flow (CFM) High/Medium/Low 383/324/265 383/324/265 559/412/294 736/530/412
Air-throw (Ft.) Horizontal Installation 35-30 Upon Mounting Height/Speed/Temp. 35-30 Upon Mounting Height/Speed/Temp. 35-30 Upon Mounting Height/Speed/Temp. 35-30 Upon Mounting Height/Speed/Temp.
Upright Installation 35-20 Upon Mounting Location/Speed/Temp. 35-20 Upon Mounting Location/Speed/Temp. 35-20 Upon Mounting Location/Speed/Temp. 35-20 Upon Mounting Location/Speed/Temp.
External Static Pressure Water In. 0 0 0 0
Sound Level Pressure dB(A) (H/M/L) 40/38/36 40/38/36 45/42/40 48/46/44
Power dB(A) (H/M/L) 50/48/46 50/48/46 55/52/50 58/56/54
Fan Motor Model FG10A FG10A FG20E FG50A
Shaft Double Double Double Double
Speed (RMP, H/M/L) 690/610/480 690/610/480 985/800/680 985/800/680
Output (W) 15 15 20 40
Input (W) 55 55 110 145
Capacitor (uF) 1 1 2.5 2
Fan Wheel Type-Piece Centrifugal-2 Centrifugal-2 Centrifugal-4 Centrifugal-4
Diameter x Width (In.) 5.5 x 4.1 5.5 x 4.1 5.5 x 4.1 5.5 x 4.1
Swing/Step Motor Model MP35CB MP35CB MP35CB MP35CB
Piece 2 2 2 2
Output (W) 2 2 2 2
Input Power of Ele. Heater Type-W NA NA NA NA
Electrical Protection Fuse PCB/Transformer T3.15A 250V / 0.2A T3.15A 250V / 0.2A T3.15A 250V / 0.2A T3.15A 250V / 0.2A
Evaporator Coil Type Alu. Fin/Inner Grooved Copper Tube Alu. Fin/Inner Grooved Copper Tube Alu. Fin/Inner Grooved Copper Tube Alu. Fin/Inner Grooved Copper Tube
Color Blue or the Like Blue or the Like Blue or the Like Blue or the Like
Copper Line Connections Sealed by Dry Nitrogen Yes Yes Yes Yes
Flare/Nut-Liuqid + Gas 1/4″ + 3/8″ 1/4″ + 3/8″ 1/4″ + 1/2″ 3/8″ + 5/8″
Drain Hose Connection OD (In.) 0.67 0.67 0.67 0.67
Condensate Pump Installed-Lift (In.) NA NA NA NA
Refrigerant Environmental Friendly R410A R410A R410A R410A
Filter Type-Feature Standard-Washable Standard-Washable Standard-Washable Standard-Washable
Size WxH (In.) – Qty. 21.8 x 8.68 – 2 21.8 x 8.68 – 2 21.8 x 8.68 – 2 21.8 x 8.68 – 2
Clean Coil Surface Anti-Mildew Function Yes Yes Yes Yes
Pre-heating Function Anti-Cold Blowing Yes Yes Yes Yes
Memory of Previous Set-ups Power is Lost/Resumed Yes Yes Yes Yes
Auto-Restart Function If Power is Resumed Yes Yes Yes Yes
Unit Dimensions Net WxHxD (In.) 48 x 27.6 x 8.9 48 x 27.6 x 8.9 48 x 27.6 x 8.9 48 x 27.6 x 8.9
Package WxHxD (In.) 52.8 x 32.3 x 11.8 52.8 x 32.3 x 11.8 52.8 x 32.3 x 11.8 52.8 x 32.3 x 11.8
Unit Weight Net (LBs) 88 88 88 99
Packaged (LBs) 110 110 110 119
Loading Capacity 20’/40’/40’HQ 66/132/132 66/132/132 66/132/132 66/132/132

Unit / Conditions WMMS-09EF-V2B(59)2 WMMS-12EF-V2B(59)2 WMMS-18EF-V2B(59)2 WMMS-24EF-V2B(59)2
Power Supply Voltage/Ph/Hz 208-230/1/60 208-230/1/60 208-230/1/60 208-230/1/60
Allowed Voltage Range 187-253V 187-253V 187-253V 187-253V
Cooling Capacity (Btu/h) High/Standard/Low 10700/8500/4600 14100/11900/5900 21500/15300/6800 26500/23800/9600
Heating Capacity (Btu/h) ID 70/60, OD 47/43F 9500 13100 18700 27400
ID 70/60, OD 17/15F 8800 11600 16600 23600
ID 70/60, OD 17/5F 8000 9100 13800 20600
SEER Btu/h.W 16 16 16 16
HSPF Btu/h.W 8.2 8.2 8.2 8.2
Duhumidifying Capacity Pints/Hr. 1.7 2.96 3.8 5.28
Air Flow (CFM) High/Medium/Low 260/180/150 320/240/180 410/350/295 590/440/320
Air-throw (Ft.) External Static Pressure Horizontal Installation 25-20 Upon Mounting Height/Speed/Temp. 25-20 Upon Mounting Height/Speed/Temp. 25-20 Upon Mounting Height/Speed/Temp. 25-20 Upon Mounting Height/Speed/Temp.
Water In. 0.14 0.14 0.14 0.14
Sound Level Pressure dB(A) (H/M/L) 37/34/31 39/35/32 41/37/33 42/38/34
Power dB(A) (H/M/L) 47/44/41 49/45/42 51/47/43 52/48/44
Fan Motor Model FG30A FG40A FG60A FG20E
Shaft Double Double Double Double
Speed (RMP, H/M/L) 970/760/640 960/830/700 920/780/720 985/800/680
Output (W) 40 49 75 2 x 45
Input (W) 80 90 100 2 x 85
Capacitor (uF) 1 3 3 3
Fan Wheel Type-Piece Centrifugal-2 Centrifugal-2 Centrifugal-2 Centrifugal-4
Diameter x Width (In.) 5.5 x 5.3 5.5 x 5.3 5.5 x 5.3 5.5 x 5.3
Swing/Step Motor Model NA NA NA NA
Piece NA NA NA NA
Output (W) NA NA NA NA
Input Power of Ele. Heater Type-W NA NA NA NA
Electrical Protection Fuse PCB/Transformer T3.15A 250V / 0.2A T3.15A 250V / 0.2A T3.15A 250V / 0.2A T3.15A 250V / 0.2A
Evaporator Coil Type Alu. Fin/Inner Grooved Copper Tube Alu. Fin/Inner Grooved Copper Tube Alu. Fin/Inner Grooved Copper Tube Alu. Fin/Inner Grooved Copper Tube
Color Blue Blue Blue Blue
Copper Line Connections Sealed by Dry Nitrogen Yes Yes Yes Yes
Flare/Nut-Liuqid + Gas 1/4″ + 3/8″ 1/4″ + 3/8″ 1/4″ + 1/2″ 3/8″ + 5/8″
Drain Hose Connection OD (In.) 1 1 1 1
Condensate Pump Installed-Lift (In.) NA NA NA NA
Refrigerant Environmental Friendly R410A R410A R410A R410A
Filter Type-Feature Standard-Washable Standard-Washable Standard-Washable Standard-Washable
Size WxH (In.) – Qty. 23.7 x 7.6 – 1 23.7 x 7.6 – 1 31.6 x 7.6 – 1 39.4 x 7.7 – 1
Clean Coil Surface Anti-Mildew Function YES YES YES YES
Pre-heating Function Anti-Cold Blowing YES YES YES YES
Memory of Previous Set-ups Power is Lost/Resumed YES YES YES YES
Auto-Restart Function If Power is Resumed YES YES YES YES
Unit Dimensions Net WxHxD (In.) 27.6 x 24.2 x 7.9 27.6 x 24.2 x 7.9 35.4 x 24.2 x 7.9 43.3 x 24.2 x 7.9
Package WxHxD (In.) 35.0 x 29.1 x 11.4 35.0 x 29.1 x 11.4 44.0 x 29.1 x 11.4 52.0 x 29.1 x 11.4
Unit Weight Net (LBs) 48 51 59 68
Packaged (LBs) 59 64 79 90
Loading Capacity 20’/40’/40’HQ 108/234/234 108/234/234 90/192/192 72/162/162

Model WMMS-09EL-V2B(59)2 WMMS-12EL-V2B(59)2 WMMS-18EL-V2B(59)2
Cooling Capacity Btu/h 9500 12000 18000
Heating Capacity Btu/h 11000 13500 20000
Power Supply V/Ph/Hz 208 / 230 / 1 / 60 208/230/1/60 208/230/1/60
Power Consumption W 15 20 40
Airflow Volume m3/h 400 480 680
CFM 235 282 400
Related Current
Heating / Cooling
Amp 0.4 0.4 0.4
MCA Amp 0.5 0.5 0.5
MOP Amp 15 15 15
Sound
Pressure Level
dB(A) 38 40 46
Refrigerant R410A R410A R410A
Connection Pipes
Liquid Connecting Pipe
Diameter
in. Ø1/4 Ø1/4 Ø1/4
Gas Connecting
Pipe Diameter
in. Ø3/8 Ø3/8 Ø1/2
Drain Pipe
External Diameter
in. Ø
0.67
Ø
0.67
Ø
0.67
Drain Pipe
Internal Diameter
in. Ø
0.59
Ø
0.59
Ø
0.59
Dimensions & Weight Indoor Unit
Dimensions  (W x D x H) in. 27
5/9 x 8 1/2 x 23 5/8
27
5/9 x 8 1/2 x 23 5/8
27
5/9 x 8 1/2 x 23 5/8
Net/Gross Weight lbs. 35.3
/ 41.9
35.3/41.9 35.3/41.9