Specification Sheet

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YMGI
Your Modern Green Idea
Submittal Data Sheet: WMMS-18K-V2B(58)4
OUTDOOR UNIT
WMMS-18C-V2B(58)4
INDOOR UNIT
ACCESSORIES
ADVANCED HEALTHY KIT
HEPA/Enzyme/Cold Catalyst Filter
Anion Generator
THERMOSTAT
MOUNTING BRACKETS
FOOT RISERS
COPPER/WIRE/ACC.SET
LINESET COVERS
WINTER WIND BAFFLE
BRIDGE CONTROLLER
Engineering Submittal Data Sheet:
04.26.2018
Document No. ES201858.4.18K.001.A
YMGI’s ductless Wall Mount Mini Split (WMMS) is designed for high performance,
easy installation and servicing. The single-zone WMMS system consists of 1
wall-mounted indoor unit and 1 outdoor unit. The outdoor unit is designed for
horizontal venting, making condenser installation in tight areas simple. Ideal for
multi-family and high-rise buildings in residential, commercial, institutional, and
industrial applications. Includes U-Touch remote control.
YMGI Group • 601 Arrow Ln. O’Fallon, MO 63366 • [e-mail] • ymgigroup.com • 866-833-3138
Product specifications and appearance are subject to change without notice. Copyright © 2018 YMGI Group
Job Name: Tag #:
Location Date:
General Contractor: Mechanical Contractor:
Sales Representative: Sales Engineer:
Submitted by: Drawing #:
Reference PO #:
System WMMS-18K-V2B(58)4
Dimensions & Weight Indoor Unit
Indoor Unit Model WMMS-18E-V2B(58)4
Dimension
(W×H×D)
inch 38 3/16 × 11 13/16 × 8 13/16
Dimension of Package
(L×W×H)
inch 40 31/32 ×15 5/64 × 12 19 / 32
Net/Gross Weight lbs 27.6 / 34.2
Dimensions & Weight Outdoor Unit
Outdoor Unit Model WMMS-18C-V2B(58)4
Dimension of Unit
(W×H×D)
Inch 37.63 × 27.63 × 15.63
Dimension of Package
(W×H×D)
Inch 40.5 × 29.63 × 18
Net / Gross Weight lbs 106 / 116
Connection Pipes
Factory Charge for
Pipe Length
ft. 24.6
Gas Additional Charge oz/ft. 0.2
Outer Diameter of
Liquid Valve
inch 1/4”
Outer Diameter of
Gas Valve
inch 5/8”
Max Elevation Difference
IDU-ODU
ft. 32.8
Max Copper Line Length ft. 80
WMMS-18E-V2B(58)4
System WMMS-18K-V2B(58)4
Power Supply V/Ph/Hz 208-230 / 1 / 60
Power Voltage Allowed Min./Max. V 187 / 253
Surge Protector In Incoming Power Supply Field-Install Recommended
Cooling Capacity Btu/h 6800 / 18000 / 20000
Heating Capacity Min./Rating/Max. Btu/h 7300 / 19800 / 23500
Cooling Power Input Min./Stand./Max. W 450 / 1435 / 2150
Heating Power Input Min./Stand./Max. W 580 / 1730 / 2600
EER W/W 3.68
EER (Btu/h)/w 12.50
COP W/W 3.35
COP (Btu/h)/w 11.45
SEER 20
HSPF 10
Cooling Current A 6.37
Heating Current A 7.68
Rated Input W 3000
Rated Current A 10.39
Rated Heating Current A 12.56
Max. Over Current Protection A 30
Min. Current (MCA) A 16
Indoor Unit Model WMMS-18E-V2B(58)4
Fan Diameter Length (D×L) inch ø4 3/16 × 27 51/64
Cooling Speed r/min 1400 / 1200 / 1050 / 800
Heating Speed r/min 1400 / 1200 / 1100 / 900
Air Flow Volume CFM 560 / 490 / 410 / 330
Dehumidifying Volume pt/day 3.80
Fan Motor Power Output W 60
Fan Motor RLA A 0.24
Fuse on Control Board A 3
Evaporator Form Aluminum Fin-Copper Tube
Fuse Current A 3.15
Set Temperature Range °F 61-86
Sound Pressure Level dB (A) 47/43/40/39
Sound Power Level dB (A) 57/53/50/49
Outdoor Unit Model WMMS-18C-V2B(58)4
Compressor Brand GR
Compressor Oil RB68EP
Compressor Type Rotary
Compressor LRA. A 25
Compressor RLA A 12.08
Compressor Power Input W 1440
Compressor Overload Protector 1NT11L-6233 or KSD115°C or HPC115/95U1
Fan Type / Diameter --/inch Axial-flow / 21.654
Fan Motor Power Output W 60
Fan Motor RLA A 0.49
Outdoor Unit Air Flow Volume CFM 1880
Condenser Fin / Tube Structure Aluminum Fin-copper Tube
Maximum Allowable Pressure PSIG 624
Throttling Method Electron expansion valve
Defrosting Method Automatic Defrosting
Sound Pressure / Power Level dB (A) 55 / 65
Cooling Operation Ambient Temp. Range °F 0-115
Heating Operation Ambient Temp. Range °F -4~75
R410A Refrigerant Factory Charge ozs 56.44
Factory Charge for Pipe Length ft. 24.6
Gas Additional Charge oz/ft. 0.2