Specification Sheet

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YMGI
Your Modern Green Idea
YMGI Group • 601 Arrow Ln, O’Fallon, MO 63366 • [e-mail] • ymgigroup.com • 866-833-3138
Submittal Data Sheet: WMMS-42CH-V2B(59)4
OUTDOOR UNIT
ACCESSORIES
MOUNTING BRACKETS
FOOT RISERS
COPPER/WIRE/ACC.SET
LINESET COVERS
WINTER WIND BAFFLE
Engineering Submittal Data Sheet:
05.01.2018
Document No. 2018.59.4.42K.001.A
The CHOIR outdoor condensing unit has a 21 SEER rating. With a 42k Btu/h
capacity and capable of heating and cooling 1 to 4 zones. The CHOIR requires
208-230 volt, 1 phase, 60Hz power. Refrigerant is pumped as a thermal medium to
dispense heat into ambient air in the summer; while absorbing heat from ambient
air in the winter. The compact design allows for ground installation, or mounting in a
variety of discreet locations, including on a wall, under a deck or a balcony.
Specifications subject to change without notice
Copyright © 2018 YMGI Group
WMMS-42CH-V2B(59)4
2 to 4 zones
Outdoor Unit Models WMMS-42CH-V2B(59)4
Connection Pipes
R410A Refrigerant /Factory
Pre-Charge for 25’
LBs 6.17
Liquid Valve Size In 4 x 1/4”
Gas Valve Size In 4 x 3/8”
Dimensions & Weight Outdoor Unit
Outdoor Unit Dimensions
(W x H x D)
In. 38.56 × 31.13 × 16.75
Package Dimensions
(W x H x D)
In. 42.63 × 33.63× 19.22
Net /Gross Weight LBs 154 / 169.75
Outdoor Unit Models WMMS-42CH-V2B(59)4
Maximum drive IDU NO. 4
Power Supply 208-230 / 1 / 60
Cooling Capacity* (Btu/h)
Max. IDU Cap. Total 2
42,000
(2 Thermal Zones)
Rated 1 28,400
Min 8,200
Total Power Input in Cooling Mode* (W)
Max. 4500
Rated 2600
Min. 900
SEER 21.00
HSPF 10.50
Heating Capacity* (Btu/h)
Max. IDU Cap Total 2 50,000
Rated 1 30,000
Min. 9,000
Total Power Input in Heating Mode*
Max. 3500
Rated 2920
Min. 900
Compressor Oil FV50S
L.R.A. A 45
Compressor RLA A 13.9
Compressor Power Input W 4150
MCA A
20-All IDUs EW /
30-All IDUs EC or EU
Fuse or Circuit Breaker (HVAC Type) A
30-All IDUs EW /
40-All IDUs EC or EU
Throttling Method Electronic Expansion Valve
Starting Method Transducer starting
Recommended Working Ambient
Temp Ranges
°F
AC: 0 ~ 118
HP:-4 ~ 75
Condenser Aluminum fin-copper tube
Output of Fan Motor W 100
Fan Motor RLA A 0.65
Fan Motor Capacitor uF 3.5
Fan Type-Piece Axial-flow 1
Fan Diameter In. 21.65
Defrosting Method Auto Defrost
Isolation I
Moisture Protection IP24
Max. Operating Pressure at High Side PSI 550
Max. Operating Pressure at Low Side PSI 175
Sound Pressure Level dB (H/L) A 59
Sound Power Level dB (H/L) A 69
Job Name: Tag #:
Location Date:
General Contractor: Mechanical Contractor:
Sales Representative: Sales Engineer:
Submitted by: Drawing #:
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