5495504-YTG-B-0518
Johnson Controls Unitary Products
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
YCD18
B21(H,S)
YCD24
B21(H,S)
YCD30
B21(H,S)
YCD36
B21(H,S)
YCD42
B21(H,S)
YCD48
B21S
YCD60
B21S
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
9.6
12.3
14.2
19.9
21.9
28.5
34.3
Max. Overcurrent Device Amps
2
2. Dual element fuses or HACR circuit breaker. Maximum allowable overcurrent protection.
15
20
20
30
35
50
60
Min. Overcurrent Device Amps
3
3. Dual element fuses or HACR circuit breaker. Minimum recommended overcurrent protection.
15
15
15
20
25
30
35
Compressor Type
Recip
Recip
Recip
Recip
Recip
Scroll
Scroll
Compressor
Amps
Rated Load
7.0
9.2
10.7
14.7
16.5
21.8
26.4
Locked Rotor
45.0
45.0
57.0
78.0
88.0
117
134
Crankcase Heater
No
No
No
No
No
No
No
Factory External Discharge Muffler
No
No
No
No
Yes
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.
Yes*
Yes*
Yes*
Yes*
Yes*
No
No
Fan Diameter Inches
18
18
18
18
22
22
22
Fan Motor
Rated HP
1/8
1/8
1/8
1/4
1/4
1/4
1/4
Rated Load Amps
0.80
0.80
0.80
1.50
1.30
1.30
1.30
Nominal RPM
1075
1075
1075
1100
850
850
850
Nominal CFM
1925
1950
2150
2575
2925
3225
3350
Coil
Face Area Sq. Ft.
8.26
9.78
11.07
12.37
12.22
13.83
17.37
Rows Deep
1
1
1
1
1
1
1
Fins / Inch
23
23
23
23
23
23
23
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 the equivalent length) multiplied by the per foot value.
2 - 15
3 - 4
3 - 13
4 - 1
4 - 6
4 - 8
5 - 6
Charge Per Foot, Oz.
0.62
0.62
0.62
0.62
0.67
0.67
0.75
Operating Weight Lbs.
125
130
140
140
175
165
175
Models with "H" on the end of the model number are shipped with a Hard Start Kit installed at the factory.
A
C
B
A0339-001
DIMENSIONS
Unit
Model
Dimensions
(Inches)
Refrigerant Connection
Service Valve Size
A
B
C
Liquid
Vapor
YCD18B21(H,S)
23-1/2
24
24
3/8
3/4
YCD24B21(H,S)
26-3/4
24
24
YCD30B21(H,S)
30
24
24
YCD36B21(H,S)
33-1/4
24
24
YCD42B21(H,S)
26-3/4 29-1/4 29-1/4
7/8
YCD48B21S
30
29-1/4 29-1/4
YCD60B21S
36-1/4 29-1/4 29-1/4
7/8
‡
