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Model Number Descriptions
Unit Model Number
Digits 1,2,3,4 – Chiller Model
RTHD= Water-Cooled Optimus™ Chiller
Digit 5 – Manufacturing
Location
U
=
Water Chiller Business Unit,
Pueblo, CO USA
Digits 6, 7 – Compressor Frame
B1 =
B1 Compressor
B2 =
B2 Compressor
C1 =
C1 Compressor
C2 =
C2 Compressor
D1 =
D1 Compressor
D2 =
D2 Compressor
D3 =
D3 Compressor (50 Hz only)
E3 =
E3 Compressor (50 Hz only)
Digits 8 – Unit Power Supply
A
=
200V/60Hz/3Ph power
C
=
230V/60Hz/3Ph power
D
=
380V/60Hz/3Ph power
F
=
460V/60Hz/3Ph power
H
=
575V/60Hz/3Ph power
R
=
380V/50Hz/3Ph power
T
=
400V/50Hz/3Ph power
U
=
415V/50Hz/3Ph power
Digit 9 – Specials
X
=
No Specials
Historical information:
C
=
Specials denoted elsewhere
S
=
Specials not denoted elsewhere
Digit 10, 11 – Design Sequence
** =
Factory assigned
Digit 12 – Agency Listing
X
=
No Agency Listing
U
=
UL Listed to US and Canadian
Safety Standard
A
=
IBC Seismically Rated
B
=
UL/Canadian and IBC
C
=
OSHPD Seismically Rated
D
=
UL/Canadian and OSHPD
Historical information:
3
=
CCC - Chinese Compulsory Code
Note: Digit 12 selections A, B, C & D are
special order only.
Digit 13 – Pressure Vessel Code
A
=
ASME Pressure Vessel Code
C
=
Canadian Code
D
=
Australian Code
L
=
Chinese Code-Imported Pressure
Vessel
Historical information:
S
=
Special
RTHD-SVX01K-EN
Digits 14,15 – Evaporator
B1 =
B1 Evaporator
B2 =
B2 Evaporator
C1 =
C1 Evaporator
C2 =
C2 Evaporator
D1 =
D1 Evaporator
D2 =
D2 Evaporator
D3 =
D3 Evaporator
D4 =
D4 Evaporator
D5 =
D5 Evaporator
D6 =
D6 Evaporator
E1 =
E1 Evaporator
F1 =
F1 Evaporator
F2 =
F2 Evaporator
G1 =
G1 Evaporator
G2 =
G2 Evaporator
G3 =
G3 Evaporator
Digit 16 – Evaporator Tube Type
A
=
Enhanced fin copper (all fluids)
W =
Enhanced fin copper (water only)
Digit 17 – Evaporator Water Pass
Configuration
2
=
2 Pass
3
=
3 Pass
4
=
4 Pass
Digit 18 – Evaporator Water
Connection
L
=
Left Hand
R
=
Right Hand
Digit 19 – Evaporator
Connection Type
A
=
Standard Grooved Pipe
Historical information:
S
=
Special
Digit 20 – Evaporator Water
Side Pressure
L
=
150 psi (10.5 bar)
H
=
300 psi (21 bar)
Digit 21, 22 – Condenser
B1 =
B1 Condenser
B2 =
B2 Condenser
D1 =
D1 Condenser
D2 =
D2 Condenser
E1 =
E1 Condenser
E2 =
E2 Condenser
E3 =
E3 Condenser
E4 =
E4 Condenser
E5 =
E5 Condenser
F1 =
F1 Condenser
F2 =
F2 Condenser
F3 =
F3 Condenser
G1 =
G1 Condenser
G2 =
G2 Condenser
G3 =
G3 Condenser
Digit 23 – Condenser Tube Type
A
=
Enhanced Fin Copper - 0.028 in
B
=
Smooth Bore Copper
C
=
Smooth Bore CuNi
D
=
Enhanced Fin Copper - 0.025 in
Digit 24 – Condenser Water
Passes
2
=
2 Pass
Digit 25 – Condenser Water
Connection
L
=
Left Hand
R
=
Right Hand
Digit 26 – Condenser
Connection Type
A
=
Standard Grooved Pipe
C
=
Marine
S
=
Special
Digit 27 – Condenser Waterside
Pressure
L
=
150 psi (10.5 bar)
H
=
300 psi (21 bar)
Digit 28 – Condenser Leaving
Water Temperature
A
=
Standard
Digit 29 – Refrigerant Isolation
Valves
X
=
No Refrigerant Isolation Valves
V
=
With Refrigerant Isolation Valves
Digit 30 – Oil Cooler
X
=
Without Oil Cooler
C
=
With Oil Cooler
Digit 31 – Thermal Insulation
X
=
No Insulation
Q
=
Factory Installed Insulation
Digit 32 – Acoustic Insulation
X
=
No Insulation
Historical information:
A
=
Standard Attenuator
Digit 33 – Label and Literature
Language
C
=
Spanish
E
=
English
F
=
French
Digit 34 – Safety Devices
X
=
Standard
Digit 35 – Factory Charge
A
=
Refrigerant Charge (R-134a)
B
=
Nitrogen Charge (R-134a Field
Supplied)
C
=
Refrigerant Charge (R-513A)
D
=
Nitrogen Charge (R-513A Field
Supplied)
Digit 36 – Shipping Package
A
=
No Skid (Standard)
B
=
Shrink Wrap
C
=
Skid
D
=
Skid + Shrink Wrap
Historical information:
J
=
Special
7
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