Digits 01, 02, 03, 04 Chiller
Series
RTHC = Series R ® Water-Cooled Chiller
Digit 05 Design Control
1 = WCBU (Pueblo, CO)
2 = LCBU (Charmes, France)
Digit 06 Compressor Frame
C = C frame
D = D frame
Digit 07 Compressor Capacity
1 = Smaller capacity (minor)
2 = Larger capacity (major)
3 = Special 50 Hz capacity
Digit 08 Voltage
A = 200/60/3 ±10%
C = 230/60/3 ±10%
D = 380/60/3 ±10%
R = 380/50/3 ±10%
N = 400/50/3 ±10%
U = 415/50/3 ±10%
F = 460/60/3 ±10%
H = 575/60/3 ±10%
Digit 09 Specials
0 = No specials
C = All specials denoted by digits elsewhere
S = Uncategorized special not denoted by other digits
Digit 10, 11 Design Sequence
A0 = First design
Digit 12 Evaporator Frame
B = B frame
C = C frame
D = D frame
E = E frame
F = F frame
G = G frame
Digit 13 Evaporator Capacity
1 = Tube count #1
2 = Tube count #2
3 = Tube count #3
Digit 14 Evaporator Waterside Pressure
L = 150 psi
H = 300 psi
Digit 15 Evaporator Water Pass Configuration
2 = 2 pass
3 = 3 pass
4 = 4 pass
6 = 6 pass
Digit 16 Condenser Frame
B = B frame
C = C frame
D = D frame
E = E frame
F = F frame
G = G frame
Digit 17 Condenser Capacity
1 = Tube count #1
2 = Tube count #2
3 = Tube count #3
Digit 18 Condenser Waterside Pressure
L = 150 psi
H = 300 psi
Digit 19 Condenser Tubes
F = Enhanced fin copper
G = Smooth bore copper
H = Smooth bore 90/10 CU/NI
Digit 20 Isolation Valves
0 = Without
V = With
Digit 21 Thermal Insulation
0 = Without
Q = With
Digit 22 Agency Listing
0 = No agency listing
U = C/UL listing