Trane RTHD series User Manual

Contents
4 RTHD-SVX02H-EN
Connections - BCL ........................................... 46
Figure 24. Condenser and Evaporator Water
Connections - CEM .......................................... 47
Figure 25. Condenser and Evaporator Water
Connections - CFM/DFM ................................. 48
Figure 26. Condenser and Evaporator Water
Connections - DGN/EGN ................................. 49
Table 13. Evaporator and Condenser Data ... 50
Water Pressure Drop Data ............................ 51
Making Grooved Pipe Connections .............55
Vents and Drains ...........................................55
Evaporator Piping Components ..................55
Entering Chilled Water Piping ......................55
Leaving Chilled Water Piping .......................55
Condenser Piping Components ...................55
Entering condenser water piping ................55
Leaving condenser water piping .................55
Condenser Water Regulating Valve .............. 56
Condenser Water Regulating Valve Adjust-
ment ...............................................................56
Partial Heat Recovery Condenser Tube Parts ..
56
Full Heat Recovery Condenser Tube Parts ... 56
Full Heat Recovery Condenser Water Tem-
perature Requirements and Control ............57
Installation Of Water Tank Temperature Sen-
sor ..................................................................57
Water Treatment ............................................. 57
Water Pressure Gauges and Thermometers ...
57
Figure 27. Typical Thermometer, Valving, and
Manifold Pressure Gauge Set-up ................... 58
Water Pressure Relief Valves ........................58
Flow Sensing Devices ...................................58
Refrigerant Pressure Relief Valve Venting ...59
Figure 28. Relief Valve Location....................... 59
Table 14. Pressure Relief Valve Data .............. 60
Thermal Insulation ........................................ 61
Figure 29. Typical RTHD Insulation Require-
ments 61
Table 15. Recommended Insulation Types .... 61
Waterbox Removal and Installation ..............62
Introduction .................................................. 62
Discussion ....................................................62
Procedure .....................................................62
Figure 30. Water Box Rigging and Lifting – Ver-
tical Lift Only .................................................... 63
Reassembly ..................................................63
Table 16. RTHD Torque ................................... 63
Parts Ordering Information ........................... 63
Table 17. Connection Devices ........................ 63
Figure 31. Eyebolt connection (Safety hoist ring
M12X1.75) ......................................................... 63
Questions ......................................................64
Installation Electrical ....................................... 65
General Recommendations .......................... 65
Power Supply Wiring .................................... 65
Water Pump Power Supply ..........................65
Electrical Panel Power Supply .....................65
Table 18. Wire Selection Chart for Starter Pan-
els 65
Figure 32. Electrical Installation ...................... 66
Figure 33. Handle on Door ............................... 67
Table 19. Lug Sizes ......................................... 67
Figure 34. Y-D Starter Panel Power Wire Rout-
ing 68
Figure 35. Solid State Starter Panel Power Wire
Routing 69
Module Connections for Interconnecting Wir-
ing ................................................................... 70
Interconnecting Wiring (Field Wiring Re-
quired) ............................................................70
Chilled Water Pump Control .........................70
Chilled Water Flow Interlock ......................... 70
Condenser Water Pump Control ..................70
Condenser Water Flow Interlock ..................70
Heat Recovery Pump Control .......................71
Heat Recovery Water Flow Interlock ............71
Chilled Water Reset (CWR) ...........................71
Equations for calculating CWR ....................71
Table 20. Chiller Events/Status Descriptions 72
Table 21. Programable Relays ....................... 72
Emergency Stop ............................................72
External Auto/Stop ........................................72
Soft Loading ..................................................73
External Base Loading - Optional ................73
Base Loading Control setpoint ....................73

Trane RTHD series Specifications

General

Brand	Trane
Model	RTHD series
Category	Chiller
Language	English