TECHNICAL SUPPORT MANUAL Split System Heat Pump: (C,H,T)4H3
2 428 04 5402 00
OUTDOOR UNIT MODEL NUMBER IDENTIFICATION GUIDE (single phase)
Digit Position: 1 2 3 4 5, 6 7 8 9 10 11 12
Example Part Number:
H 4 H 3 18 G K D 2 0 0
Product Family
4 = R−410A REFRIGERANT
A = Air Conditioner
H = Heat Pump TYPE
3 = 13 SEER
4 = 14 SEER
5 = 15 SEER
6 = 16 SEER
7 = 17 SEER
8 = 18 SEER NOMINAL EFFICIENCY
18 = 18,000 BTUH = 1½ tons
24 = 24,000 BTUH = 2 tons
30 = 30,000 BTUH = 2½ tons
36 = 36,000 BTUH = 3 tons
42 = 42,000 BTUH = 3½ tons
48 = 48,000 BTUH = 4 tons
60 = 60,000 BTUH = 5 tons NOMINAL CAPACITY
A = Standard Grille
G = Coil Guard Grille
C = Coastal FEATURES
K = 208/230−1−60 VOLTAGE
Sales Code
Engineering Revision
Extra Digit
Extra Digit
ACCESSORIES PART NUMBER IDENTIFICATION GUIDE
Digit Position: 1 2 3 4 5 6, 7 8, 9 10, 11
Example Part Number:
N A S A 0 0 1 01 C H
N = Non−Branded BRANDING
A = Accessory PRODUCT GROUP
S = Split System (AC & HP) KIT USAGE
A = Original
B = 2nd Generation MAJOR SERIES
0 = Generic or Not Applicable
2 = R−22
4 = R−410A REFRIGERANT
Product Identifier Number
Package Quantity
Type of Kit (Example: CH = Crankcase Heater)