5495499-YTG-B-0219
Johnson Controls Ducted Systems 3
‡ Adapter fitting must be field installed for the required 1-1/8” line set.
All dimensions are in inches and are subject to change without notice.
Overall height is from bottom of base pan to top of fan guard.
Overall length and width include screw heads.
PHYSICAL AND ELECTRICAL DATA
MODEL YFE18B21S YFE24B21S YFE30B21S YFE36B21S YFE42B21S YFE48B21S YFE60B21S
Unit Supply Voltage 208-230V, 1 60Hz
Normal Voltage Range
1
1. Rated in accordance with AHRI Standard 110-2012, utilization range “A”.
187 to 252
Minimum Circuit Ampacity
11.8 13.6 18.1 20.5 22.1 25.7 31.7
Max. Overcurrent Device Amps
2
2. Dual element fuses or HACR circuit breaker. Maximum allowable overcurrent protection.
20 20 30 35 35 45 50
Min. Overcurrent Device Amps
3
3. Dual element fuses or HACR circuit breaker. Minimum recommended overcurrent protection.
15 15 20 25 25 30 35
Compressor Type Scroll Scroll Scroll Scroll Scroll Scroll Scroll
Compressor
Amps
Rated Load
9.0 10.2 13.4 15.4 16.6 19.5 24.3
Locked Rotor 47.5 61.6 72.5 83.9 109.0 130.0 144.2
Crankcase Heater No No No No No No No
Factory External Discharge Muffler
No No No No No No No
HS Kit Required with TXV
4
4. See Hard Start Kit Accessory Installation Manual for Hard Start Kit part number for each model.
No No No No No No No
Fan Diameter Inches
18 22 24 24 24 24 26
Fan Motor
Rated HP 1/12 1/8 1/4 1/4 1/4 1/4 1/4
Rated Load Amps 0.64 0.80 1.30 1.30 1.30 1.30 1.30
Nominal RPM
1000 1075 850 850 850 850 850
Nominal CFM 2125 2850 3775 3775 3550 3625 4025
Coil
Face Area Sq. Ft.
14.51 14.58 23.69 23.69 45.95 47.38 51.07
Rows Deep
1 1 1 1 2 2 2
Fins / Inch 22 22 22 22 18 18 18
Liquid Line Set OD (Field Installed)
3/8 3/8 3/8 3/8 3/8 3/8 3/8
Vapor Line Set OD (Field Installed)
5
5. For applications with non-standard vapor line sizes, see the “Applications & Accessories” section of this Technical Guide.
3/4 3/4 3/4 3/4 7/8 7/8
1-1/8
‡
Unit Charge (Lbs. - Oz.)
6
6. The Unit Charge is correct for the outdoor unit, smallest matched indoor unit, and 15 feet of refrigerant tubing. For tubing lengths other than 15 feet, add or subtract
the amount of refrigerant, using the difference in actual lineset length (not equivalent length) multiplied by the per foot value.
4 - 15 4 - 15 8 - 4 7 - 5 12 - 10 11 - 5 13 - 2
Charge Per Foot, Oz. 0.62 0.62 0.62 0.62 0.67 0.67 0.75
Operating Weight Lbs. 120 131 176 176 230 235 256
&
%
$
$
DIMENSIONS
Unit
Model
Dimensions
(Inches)
Refrigerant Connection
Service Valve Size
A B C Liquid Vapor
YFE18B21S 36-1/4 24 24
3/8
3/4
YFE24B21S 30 29-1/4 29-1/4
YFE30B21S 39-1/2 35-1/4 31-3/4
YFE36B21S 39-1/2 35-1/4 31-3/4
YFE42B21S 39-1/2 35-1/4 31-3/4
7/8
YFE48B21S 39-1/2 35-1/4 31-3/4
YFE60B21S 39-1/2 38 34-1/4
7/8
‡
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