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Table 1. Model Number
Name
Code
RMTP
NIST
INST
INSA
INSB
INSC
HWCT
NIST
INST
IACC
NONE
NISO
Unit Model Number
Table 2. Compressor Model Number
Selection Category
Compressor Series
Design Control
Compressor Frame
Compressor Capacity
Motor
Specials
Design Sequence
RTHD-SVX04K-EN
M/N Digit
M/N Code
54
X
A
B
C
D
55
X
H
56
X
A
(located on compressor nameplate)
M/N Digit
M/N Code
1-4
CHHC
5
1
6
B
C
D
E
7
1
2
3
4
8
A
C
D
F
H
9
O
C
S
10-11
AO
Description
Refrigerant Monitor Input
None
100 ppm / 4-20 ma
1000 ppm / 4-20 ma
100 ppm / 2-10 Vdc
1000 ppm / 2-10 Vdc
Hot water control
None
With hot water control
Installation Accessories
None
Elastomeric lsolators
Description of Selection
Semi-Hermetic Heli-Rotor Compressor
Pueblo
B Frame
C Frame
D Frame
E Frame
Smaller capacity (minor)
Larger capacity (major)
Special 50 Hz capacity
Variable volume ratio
200V/60Hz/3
230V/60Hz/3
380V/60Hz/3
460V/60Hz/3 or 400V/50Hz/3
575V/60Hz/3
No Specials
Specials Denoted Elsewhere
Uncategorized Special not denoted elsewhere
1st Design (Factory Input)
General Information
17
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