Outdoor Unit Operating Temperature Ranges

(59)6 23 SEER CHOIR 1-5 Zone 30k-60k Btu/h

Outdoor Unit Model No. WMMS-30CH-V2B(59)6 WMMS-36CH-V2B(59)6 WMMS-48CH-V2B(59)6 WMMS-60CH-V2B(59)6
Recommended Working
Ambient Temp Ranges
°F AC: -0.4~114.8
HP:-31 ~ 75.2
AC: -0.4~114.8
HP:-31 ~ 75.2
AC: -0.4~114.8
HP:-31 ~ 75.2
AC: -0.4~114.8
HP:-31 ~ 75.2

(59)5 21 SEER CHOIR 1-5 Zone 30k-60k Btu/h

Outdoor Unit Model No. WMMS-30CH-V2B(59)5 WMMS-36CH-V2B(59)5 WMMS-42CH-V2B(59)5 WMMS-48CH-V2B(59)5 WMMS-60CH-V2B(59)5
Recommended Working
Ambient Temp Ranges
°F AC: 0 ~ 118
HP:-22 ~ 75
AC: 0 ~ 118
HP:-22 ~ 75
AC: 0 ~ 118
HP:-22 ~ 75
AC: 0 ~ 118
HP:-22 ~ 75
AC: 0 ~ 118
HP:-22 ~ 75

(59)4 21 SEER CHOIR 1-5 Zone 30k-60k Btu/h

Outdoor Unit Model No. WMMS-30CH-V2B(59)4 WMMS-36CH-V2B(59)4 WMMS-42CH-V2B(59)4 WMMS-48CH-V2B(59)4 WMMS-60CH-V2B(59)4
Recommended Working
Ambient Temp Ranges
°F AC: 0 ~ 118
HP:-4 ~ 75
AC: 0 ~ 118
HP:-4 ~ 75
AC: 0 ~ 118
HP:-4 ~ 75
AC: 0 ~ 118
HP:-4 ~ 75
AC: 0 ~ 118
HP:-4 ~ 75

(58)4 18-23 SEER SOLO Wall Mount 09, 12, 18, 24, 30 & 36K

Outdoor Unit WMMS-09K-V2B(58)4 WMMS-12K-V2B(58)4 WMMS-18K-V2B(58)4 WMMS-24K-V2B(58)4 WMMS-30K-V2B(58)4 WMMS-36K-V2B(58)4
Cooling Operation
Ambient Temp. Range
°F 0-115 0-115 0-115 0-115 0-115 0-115
Heating Operation
Ambient Temp. Range
°F -4~75 -4~75 -4~75 -4~75 -4~75 -4~75

(57)2, 3 16 SEER SOLO Single Zone 9k-36k Btu/h

Outdoor Unit WMMS-09C-V2A(57)2 WMMS-12C-V2A(57)2 WMMS-18C-V2B(57)3 WMMS-24C-V2B(57)3 WMMS-30C-V2B(57)3 WMMS-36C-V2B(57)3
Operation Temperature
Range Outdoor
(cooling/ heating)
°F AC: 15~115 /
HP: -4 ~ 75
AC: 15~115 /
HP: -4 ~ 75
AC: 15~115 /
HP: -4 ~ 75
AC: 15~115 /
HP: -4 ~ 75
AC: 15~115 /
HP: -4 ~ 75
AC: 15~115 /
HP: -4 ~ 75

(78)1 18-23 SEER SOLO Single Zone 9k-36k Btu/h

ODU Model No. WMMS-09C-V2B(78)1 WMMS-12C-V2B(78)1 WMMS-18C-V2B(78)1 WMMS-24C-V2B(78)1 WMMS-30C-V2B(78)1 WMMS-36C-V2B(78)1
ODU Cooling Working
Temperature Range
°F 5° – 115° 5° – 115° 5° – 115° 5° – 115° 32° – 115° 32° – 115°
ODU Heating Working
Temperature Range
°F -4° – 75° -4° – 75° -4° – 75° -4° – 75° -4° – 75° -4° – 75°

(56) Solar PV Assisted DC Inverter Mini Split

ODU Model No. WMMS-09CS-V2B(56) WMMS-12CS-V2B(56) WMMS-18CS-V2B(56) WMMS-24CS-V2B(56) WMMS-30CS-V2B(56) WMMS-36CS-V2B(56)
Outdoor Ambient Cooling 23-132°F 23-132°F 23-132°F 23-132°F 23-132°F 23-132°F
Heating 5-75°F 5-75°F 5-75°F 5-75°F 5-75°F 5-75°F

(86) Solar SOLAR All DC Inverter Mini Split

ODU Model No. WMMS-09KS-V24(86) WMMS-12KS-V48(86) WMMS-18KS-V48(86) WMMS-24KS-V48(86)
Cooling °F 35°F to 110°F 35°F to 110°F 35°F to 110°F 35°F to 110°F
Heating °F
35°F to 60°F
35°F to 60°F
35°F to 60°F
35°F to 60°F

(capacities drop/discharge temperatures rise as ambient temperatures rise)