Johnson Controls RAC Series User Manual

Nomenclature
Table 1: Nomenclature
Brand R R = OTC factory-branded
Product type AC AC = Air conditioner
Nominal series efficiency and staging 134 134 = 13.4 (SEER2 - US northern region)
18 = 1.5 ton
24 = 2 ton
30 = 2.5 ton
36 = 3 ton
42 = 3.5 ton
48 = 4 ton
Nominal unit capacity (MBH) 18
60 = 5 ton
Refrigerant B B = R-410A
Voltage (voltage-phase-frequency) 2 2 = 208/230-1-60
1 = First generationGeneration (major revision) 1
2 = Second generation
Factory option S S = Standard (no options)
A = Style AStyle letter (minor revision)
not used for ordering
A
B = Style B
Physical and electrical data
Table 2: Physical and electrical data
Outdoor unit model RAC134
18B21S
RAC134
24B21S
RAC134
30B21S
RAC134
36B21S
RAC134
42B21S
RAC134
48B21S
RAC134
60B21S
Unit supply voltage 208/230 V, 1 phase, 60 Hz
Normal voltage
range (V)
1
187 to 252
Minimum circuit
ampacity (A)
8.9 11.3 15.3 19.6 21.1 25.7 29.1
Maximum
overcurrent device
(A)
2
15 15 25 30 35 45 50
Minimum
overcurrent device
(A)
3
15 15 20 20 25 30 30
Compressor type
4
Rotary Rotary Scroll Scroll Scroll Scroll Scroll
Compressor rated
load
6.5 8.4 11.7 14.7 15.9 19.5 22.2
Compressor locked
rotor
33.0 53.0 71.3 75.0 112.3 130.0 128.0
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
No No No No No No No
9Technical Guide: RAC Series RAC134 Models - 13.4 SEER2 Split-System Air Conditioner - Single-Phase
Johnson Controls Ducted Systems

Johnson Controls RAC Series Specifications

General

Brand	Johnson Controls
Model	RAC Series
Category	Air Conditioner
Language	English