Installation and Maintenance Manual
Table Of Contents
- Warnings, Cautions and Notices
- Model Number Description
- General Information
- Pre-Installation
- Unit Dimensions/Weights
- Installation - Mechanical
- Location Requirements
- Rigging
- Evaporator Piping
- Condenser Water Piping (RTWD Units Only)
- Refrigerant Relief Valve Venting
- RTUD Installation
- System Configuration
- Equivalent Line Length
- Liquid Line Sizing
- Discharge (Hot Gas) Line Sizing
- Example
- Refrigerant Charge Determination
- RTUD Chilled Water Flow Control
- Oil Charge Determination
- Outdoor Air Temperature Sensor Installation Requirements
- Fan Control for the Remote Air Cooled Condenser
- RTUD Condenser Elevation Setting
- Shipping Spacers
- Installation - Electrical
- RTWD/RTUD Operating Principles
- Controls Interface
- Pre-Start Checkout
- Unit Start-Up Procedures
- Unit Shutdown
- Service and Maintenance
- Diagnostics
- Wiring Schematics

8 RLC-SVX09H-EN
Digit 35— Condenser Leaving
Hot WaterTemp Control
0 = No condenser leaving hot water
temperature control
1 = Condenser leaving hot water
temperature control
Digit 36— Power Meter
0 = No power meter
P = Power meter
Digit 37— Motor Current Analog
Output (%RLA)
0 = No motor current analog output
1 = Motor current analog output
Digit 38— A/C Fan Control
0 = No fan controls (RTWD)
A = Fan control by others
B = Integral fan controls
Digit 39— Low Ambient Fan
ControlType
0 = No low ambient fan control type
(RTWD)
1 = Two speed fan
2 = Variable speed fan with analog
interface
3 = Variable speed fan with PWM
interface
Digit 40— Installation
Accessories
0 = No installation accessories
(shipped with elastomeric pad)
A = Elastomeric (neoprene) isolators
B = Flanged water connection kit
C = Isolators and flanged water
connection kit
Digit 41— Flow Switch
0 = No flow switch
1 = 150 psi NEMA 1; flow switch x 1
2 = 150 psi NEMA 1; flow switch x 2
3 = 150 psi NEMA 4; flow switch x 1
4 = 150 psi NEMA 4; flow switch x 2
7 = Factory installed proof of
evaporator and condenser
8 = Factory installed proof of
evaporator
9 = Factory installed proof of
condenser
Digit 42— 2-Way Water
Regulating Valve
0 = No 2-way water regulating valve
A = 3” 150psi/88.9mm 10.5 bar 115V
B = 3” 150psi/88.9mm 10.5 bar 220V
C = 3” 150psi/114.3mm 10.5bar 115V
D = 3” 150psi/114.3mm 10.5bar 220V
Digit 43— Sound Reduction
Package
0 = No sound reduction package
A = Sound reduction - factory
installed
Digit 44— Insulation
0 = No insulation
1 = Factory insulation, all cold parts
2 = Insulation for high humidity
Digit 45— Factory Charge
0 = Full factory refrigerant charge
(R-134a)
1 = Nitrogen charge
Digit 46— Base Rail Forklifting
0 = No base rail forklifting
B = Base rail forklifting
Digit 47— Label and Literature
Language
B = Spanish
D = English
E = French
G = Chinese - traditional
Digit 48— Special
0 = None
A = Special
Digits 49-55
0 = None (not used)
Digit 56— Shipping Package
0 = No skid (standard)
1 = Skid
2 = Shrink wrap
3 = Skid and shrink wrap
Digits 57-58
x = Factory assigned
Digit 59— PerformanceTest
Options
0 = No performance test
C = 1 point test with report
D = 2 point test with report
E = 3 point test with report
F = 4 point test with report
G = Witness 1 point test with report
H = Witness 2 point test with report
J = Witness 3 point test with report
K = Witness 4 point test with report
Digit 60— Evaporator FluidType
0 = Water
1 = Calcium chloride
2 = Ethylene glycol
3 = Propylene glycol
4 = Methanol
Compressor Model
Number
Digits 1-4— Compressor Model
CHHN= Positive displacement,
helical rotary (twin screw)
hermetic compressor
Digits 5-7— Size
0N2= 120Tons
0N1= 100Tons
0M2= 85Tons
0M1= 70Tons
0L2 = 60 Tons
0L1 = 50 Tons
0K2= 40Tons
0K1= 35Tons
Digit 8— Unit Voltage
A = 200/60/3
R = 220/50/3
C = 230/60/3
D = 380/60/3
H = 575/60/3
T = 460/60/3 or 400/50/3
Digit 9— Internal Relief
K = 450 psid
Digits 10, 11— Design Sequence
XX = Factory Assigned
Digit 12— Capacity Limit
N = Standard capacity controls
(no capacity limit
Digits 13-15— Motor kW Rating
134 = 134 kW (N2/60Hz)
112 = 112 kW (N2/50Hz)
092 = 092 kW (M2/60Hz)
077 = 077 kW (M2/50Hz)
069 = 069 kW (L2/60Hz)
058 = 058 kW (L2/50Hz)
050 = 050 kW (K2/60Hz)
041 = 041 kW (K2/50Hz)
112 = 112 kW (N1/60Hz)
093 = 093 kW (N1/50Hz)
077 = 077 kW (M1/60Hz)
065 = 065 kW (M1/50Hz)
057 = 057 kW (L1/60Hz)
048 = 048 kW (L1/60Hz)
043 = 043 kW (K1/60Hz)
036 = 036 kW (K1/60Hz)
Digit 16— Volume Ratio
A = High volume ratio
N = Low volume ratio