JOHNSON CONTROLS
4
Form 160.78-N1
Issue date: 2/02/2022
Vessel nomenclature
Inlet from front view
R = Right
L = Left
Waterbox type
C = Compact
M = Marine
Water side pressure code
1 = 150 psi
3 = 300 psi
Water connection type
F = Flanges
G = Grooved standard
A = Victaulic AGS
Number of passes
Vessel
E = Evaporator
C = Condenser
Vessel refrigerant pressure code
R = Code 180
S = Code 235
T = Code 300
U = Code 350
V = Code 400
Tube code
B = 3/4 in. Code 1
C = 3/4 in. Code 2
D = 3/4 in. Code 3
E = 3/4 in. Code 4
2 = 1 in. Code 1
3 = 1 in. Code 2
4 = 1 in. Code 3
5 = 1 in. Code 4
Heat exchanger mod level
Nominal inside diameter (in.)
Nominal length (ft)
Marketing tube number
E A 25 14 271 B R 1 1 F C R
Compressor nomenclature
Gas path revision level
Impeller design revision level
Motor
Motor design level
Impeller tip diameter (mm)
Rotation
F = Forward
R = Reverse
M1 B - 197 F A A
System nomenclature
YORK
Centrifugal chiller
Magnetic bearing
Mod level
S = Single stage
T = Two stage
Capacity in kW
Refrigerant R-134a
Y M C 2 - S 0756 A A
Liquid DWP
15 = 150 psi
30 = 300 psi
40 = 380 V 60 Hz
50 = 400 V 50 Hz
46 = 460 V 60 Hz
68 = 415 V 50 Hz
D = Disconnect switch
B = Circuit breaker
X = Factory mount
R = Retrofit model
Variable speed drive nomenclature
Hyp
H = YMC
2
chiller
Amps
HYP 744 X H 15 D - 40