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

General Information
14 RLC-SVX09H-EN
Table 6. General Data - RTWD 50 Hz - standard efficiency
Size 70 80 90 100 110 120 130 140 150
Compressor K2/K2 K2/L1 L1/L1 L1/L2 L2/L2 L2/M1 M1/M1 M1/M2 M2/M2
Quantity 2 2 2 222222
Nominal Size 45/45 45/55 55/55 55/65 65/65 65/70 70/70 70/85 85/85
Evaporator
2 Pass Arrangement
Water Conn. Size NPS 4 4 4 445555
mm 100 100 100 100 100 125 125 125 125
Water Storage (gal) 11.2 12.6 14.0 14.0 14.0 16.2 17.7 17.7 19.1
(L) 42.2 47.6 53.0 53.0 53.0 61.5 66.8 66.8 72.2
Minimum Flow (gpm) 77 89 101 101 101 110 122 122 133
(L/s) 4.9 5.6 6.3 6.3 6.3 6.9 7.7 7.7 8.4
Maximum Flow (gpm) 281 324 368 368 368 400 444 444 487
(L/s) 17.7 20.5 23.2 23.2 23.2 25.2 28.0 28.0 30.7
3 Pass Arrangement
Water Conn. Size NPS 3 3 3 334444
mm 80 80 80 80 80 100 100 100 100
Water Storage (gal) 11.2 12.6 14.0 14.0 14.0 16.2 17.7 17.7 19.1
(L) 42.2 47.6 53.0 53.0 53.0 61.5 66.8 66.8 72.2
Minimum Flow (gpm) 52 59 67 67 67 73 81 81 89
(L/s) 3.3 3.8 4.3 4.3 4.3 4.6 5.1 5.1 5.6
Maximum Flow (gpm) 187 216 244 244 244 266 295 295 324
(L/s) 11.8 13.6 15.4 15.4 15.4 16.8 18.6 18.6 20.4
Condenser
Water Conn. Size NPS 5 5 5 555555
mm 125 125 125 125 125 125 125 125 125
Water Storage (gal) 12.4 14.2 16.0 16.9 16.9 18.5 20.9 20.9 22.4
(L) 46.8 53.6 60.4 63.8 63.8 70.1 79.2 79.2 84.8
Minimum Flow (gpm) 83 99 115 124 124 135 156 156 170
(L/s) 5.2 6.3 7.3 7.8 7.8 8.5 9.9 9.9 10.8
Maximum Flow (gpm) 301 361 421 451 451 491 571 571 622
(L/s) 18.9 22.7 26.5 28.4 28.4 31.0 36.0 36.0 39.2
General Unit
Refrigerant Type R134a R134a R134a R134a R134a R134a R134a R134a R134a
# Refrig Circuits 2 2 2 222222
Refrigerant Charge (lb)
114.6/
114.6
112.4/
112.4
110.2/
110.2
110.2/
112.4
112.4/
112.4
130.1/
130.1
127.9/
127.9
127.9/
132.3
130.1/
130.1
(kg) 52/52 51/51 50/50 50/51 51/51 59/59 58/58 58/60 59/59
Oil Charge (quarts) 7.2/7.2 7.2/7.2 7.2/7.2 7.2/10.5 10.5/10.5 10.5/10.5 10.5/10.5 10.5/10.5 10.5/10.5
(L) 6.8/6.8 6.8/6.8 6.8/6.8 6.8/9.9 9.9/9.9 9.9/9.9 9.9/9.9 9.9/9.9 9.9/9.9
Notes:
1. Data containing information on two circuits is shown as circuit 1/circuit 2.
2. Flow limits are for water only.