Specification Sheet

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YMGI
Your Modern Green Idea
Submittal Data Sheet: WMMS-48KC-U2B(58)4
OUTDOOR UNIT
WMMS-48C-U2B(58)4
INDOOR UNIT
ACCESSORIES
THERMOSTAT
MOUNTING BRACKETS
FOOT RISERS
COPPER/WIRE/ACC.SET
LINESET COVERS
WINTER WIND BAFFLE
BRIDGE CONTROLLER
Engineering Submittal Data Sheet:
09.13.2018
Document No. ES2018.58.4.A.48K.001.A
YMGI’s ductless Ceiling Cassette Mini Split (WMMS) is designed for high
performance, easy installation and servicing. The single-zone WMMS system
consists of 1 ceiling cassette 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-48C-U2B(58)4
Dimensions & Weight Indoor Unit
Indoor Unit Model WMMS-48EC-U2B(58)4
Dimension
(W×H×D)
inch 37.875 x 37.845 x 11.375
Net/Gross Weight lbs 94.6 / 110.0
Dimensions & Weight Outdoor Unit
Outdoor Unit Model WMMS-48C-U2B(58)4
Dimension of Unit
(W×H×D)
Inch 37.75 x 53.125 x 14.75
Net / Gross Weight lbs 231.0 / 253.0
Connection Pipes
Outer Diameter of
Liquid Valve
inch 3/8”
Outer Diameter of
Gas Valve
inch 5/8”
Max Elevation Difference
IDU-ODU
ft. 49
Max Copper Line Length ft. 230
System WMMS-48KC-U2B(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 48000
Capacity Range Btu/h 20400-50500
Cooling Power Input Max. W 5700
Heating Capacity @ 47 °F Btu/h 54500
Heating Power Input Min./Stand./Max. Btu/h 17500-61500
Heating Power Input Max. W 5400
Heating Capacity @ 17 °F Btu/h 27600
SEER 18
EER 8.7
COP W/W 3.3
HSPF 9.00
Indoor Unit Model WMMS-48EC-U2B(58)4
Air Flow Volume CFM 900 / 1350
Dehumidifying Volume pt/hr 2.13
Fan Motor Power Output HP 1/7
Fan Motor FLA A 1.5
Max. Over Current Protection A 15
Min. Current (MCA) A 2.0
Evaporator Form Aluminum Fin-Copper Tube
Set Temperature Range °F 61-86
Sound Pressure Level dB (A) 41 / 53
Sound Power Level dB (A) 41 / 53
Outdoor Unit Model WMMS-48C-U2B(58)4
Compressor Type DC Inverter Driven Rotary
Compressor RLA A 35.5
Fan Motor Power Output HP 2 x 1/6
Fan Motor FLA A 2 x 2.0
Max. Over Current Protection A 70
Min. Current (MCA) A 45.0
Outdoor Unit Air Flow Volume CFM 2590
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) 59 / 59
Cooling Operation Ambient Temp. Range °F 0 ~ 118
Heating Operation Ambient Temp. Range °F 0 ~ 75
R410A Refrigerant Factory Charge ozs 140.8
Factory Charge for Pipe Length ft. 25
Gas Additional Charge oz/ft. 0.6
WMMS-48EC-U2B(58)4