User Manuals: Trane RTHC Roof-Mounted Chiller

User Manuals: Trane RTHC Roof-Mounted Chiller

Manuals and User Guides for Trane RTHC Roof-Mounted Chiller. We have 4 Trane RTHC Roof-Mounted Chiller manuals available for free PDF download: Installation Operation & Maintenance, Diagnostic Repair Manual, Installation, Operation And Maintenance Manual, Troubleshooting Manual

Trane RTHC Installation Operation & Maintenance

Trane RTHC Installation Operation & Maintenance (168 pages)

175-450 ton units (60 Hz); 125-450 ton units (50 Hz)

Brand: Trane | Category: Chiller | Size: 5 MB

Table of Contents

Important Notices
3
Refrigerant Emission Control
4
Warnings and Cautions
5
Table of Contents
7
General Information

9
Installation - Mechanical

23
- Storage
  23
- Vibration Eliminators
  23
- Location Requirements
  23
  - Recommended Operating and Service Clearances
    24
  - Ventilation
    24
  - Water Drainage
    24
- Access Restrictions
  24
- Moving and Rigging
  25
- Unit Weights and Dimensions for Rigging
  25
- Lifting Procedure
  27
  - Lifting the Unit
    28
  - Alternate Moving Method
    29
- Isolation Pads
  29
- Water Piping
  31
- Piping Connections
  31
- Unit Leveling
  31
- Water Pressure Drop Data
  39
  - Condenser Pressure Drop
    39
  - Making Grooved Pipe Connections
    45
  - Leaving Chilled Water Piping
    45
  - Vents and Drains
    45
  - Entering Chilled Water Piping
    45
  - Leaving Condenser Water Piping
    46
- Condenser Water Regulating Valve Adjustment
  46
- Water Treatment
  46
- Water Pressure Gauges and Thermometers
  47
- Water Pressure Relief Valves
  47
- Flow Sensing Devices
  47
- Refrigerant Pressure Relief Valve Venting
  48
- Relief Valve Locations
  48
- Thermal Insulation
  49
Installation - Electrical

51
Operating Principles - Mechanical

63
- General
  63
- RTHC - Basic Unit Components
  63
- Refrigeration (Cooling) Cycle
  64
  - Cycle Description
    64
  - Pressure /Enthalpy Curve
    65
  - Refrigerant Flow Diagram
    65
- Compressor Description
  66
  - RTHC Compressor
    66
  - Compressor Motor
    67
  - Compressor Rotors
    67
  - Slide Valve Movement
    67
- Oil Management System
  67
  - Oil Flow Diagram
    68
  - Oil Flow Protection
    68
  - Lubricant Recovery
    69
- Oil Filter
  69
  - Compressor Bearing Oil Supply
    69
  - Compressor Rotor Oil Supply
    69
- Oil Cooler
  70
- UCP2 Microprocessor Control System
  71
- Control System Block Diagram
  72
- Chiller Module - 1U1
  72
- Stepper Module - 1U3
  73
- Printer Interface Module - 1U7
  73
- Clear Language Display (CLD) - 1U4
  73
- Options Module - 1U5
  73
- COMM 3 or COMM 4 (Tracer Interface)- 1U6
  73
  - Clear Language Display Key Assignments
    74
  - Settings Groups
    74
- Key Functions
  74
- Report Groups
  74
- Communications and Settings Storage
  75
- No Communications - Data Not Valid
  75
- Chiller Report
  76
- Custom Report Group - Programming Instructions
  76
- Refrigerant Report
  82
- Compressor Report
  83
- Operator Settings
  84
  - Operator Settings Group Heading
    84
  - Menu Settings Password
    84
  - Time of Day Setting
    84
  - Front Panel Current Limit Setpoint
    85
  - Print Report
    85
  - Front Panel Chilled Water Setpoint
    85
  - Chilled Water Reset Type
    85
  - Start Reset Setpoint
    86
  - Max Reset Setpoint
    86
  - Chilled Water Setpoint Source
    86
  - Setpoint Source Override
    86
  - Keypad/Display Lockout
    87
- Service Settings (Non Password Protected Service Settings Group)
  87
  - Display Menu Headings
    88
  - Clear Custom Menu
    88
  - Language Setting
    88
  - Differential to Start
    88
  - Evap/Cond Pump off Delay Time
    89
  - Printer Setups
    89
  - Field Startup Group Password Request
    90
  - Machine Configuration Group Password Request
    90
  - Clear Restart Inhibit Timer
    90
- Service Settings (Password Protected Field Startup Group)
  90
- Service Settings (Password Protected Machine Configuration Group)
  94
- Service Tests
  100
- Service Settings (Password Protected Refrigerant Monitor Settings Group)
  100
- Service Settings (Password Protected Refrigerant Monitor Calibration Group)
  100
  - Service Tools Group Password Request
    101
  - Service Tests Menu Heading
    101
  - Chilled Water Pump
    101
  - Condenser Water Flow Switch Status
    101
  - Expansion Valve Test
    102
  - EXV Control Mode/Exv Position Commands
    102
  - EXV Position/Percent and Steps Open
    102
  - Manual Loading/Unloading Duty Cycle
    103
  - Oil Flow Delta Pressure Switch Status
    103
  - Oil Return Gas Pump Fill Solenoid Valve
    103
  - Oil Return Gas Pump Drain Solenoid
    103
  - Module Software Revision Levels
    104
  - Factory Settings
    104
  - General Factory Settings
    104
- Diagnostics
  106
  - Diagnostics Group Header Display Screens
    106
  - Clearing Diagnostics
    108
Unit Start-Up

109
- Daily Unit Start-Up
  109
- Limit Conditions
  111
- Seasonal Unit Start-Up Procedure
  111
- Daily Unit Shutdown
  113
- Seasonal Unit Shutdown
  113
- Unit Is Preparing to Shutdown
  113
- Weekly Maintenance and Checks
  115
- Monthly Maintenance and Checks
  115
  - Operating Conditions at Minimum Load
    115
  - Operating Conditions at Full Load
    115
Periodic Maintenance

115
- Overview
  115
- Annual Maintenance
  116
- Scheduling Other Maintenance
  116
- Operating Log
  116
Maintenance Procedures

116
- Series R Start-Up Test Log
  117
- Cleaning the Condenser
  129
- Cleaning the Evaporator
  129
- Compressor Oil
  129
- Mechanical Cleaning Procedure
  129
- Oil Sump Level Check
  130
- Removing Compressor Oil
  130
- Oil Charging Procedure
  131
- Replacing the Main Oil Filter (Hot Filter)
  131
- Recommended Oil Charges
  132
- Replacing the Gas Pump Oil Filter
  132
- Refrigerant Charging
  133
  - Freeze Protection
    134
  - Diagnostic Annunciation
    135
  - Diagnostic Displays
    135
  - Active Diagnostics
    136
  - Historic Diagnostics
    136
  - Operating Mode at Time of Last Diagnostic
    136
  - Other Active Diagnostics
    136
  - Unit Electrical Data
    147

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Trane RTHC Diagnostic Repair Manual

Trane RTHC Diagnostic Repair Manual (112 pages)

Brand: Trane | Category: Chiller | Size: 0 MB

Table of Contents

Table of Contents
3
Control Operation, Setup and Troubleshooting for RTHC Units with UCP2 Controls
7
Introduction
7
Discussion
7
Units Affected
7
Overview
7
General
7
Service Philosophy
7
System Description
8
1U1 - UCM Chiller Module
8
1U2 - Starter Module
8
1U3 - Stepper Module
8
1U4 - Clear Language Display
9
1U5 - UCM Options Module
9
1U6 - TCI Comm 3 or TCI Comm 4
9
1U7 - Printer Interface
9
4U1 - Adder Subtractor Module for Optional Condenser Water Regulating Valve
9
Menu Item Description
11
General
11
Restart Inhibit Timer
11
Soft Loading
14
External Base Loading
15
Start to Transition Timing Logic
16
Leaving Water Temperature Control
17
EXV Settings
17
Liquid Level Control
18
Temperature Sensors
21
General
21
Sensor Checkout Procedure
21
Current Transformer and Current Input
29
General
29
CT and Starter Module Current Input Checkout Procedure
35
Under-Over Voltage Transformer
41
General
41
Under-Over Voltage Transformer Checkout
41
Compressor Load-Unload Solenoid
43
General
43
Check Procedure for 1U1 Load-Unload Outputs
43
Checkout Procedure for the Slide Valve and Load-Unload Solenoids
45
Starter Dry Run
49
General
49
Timing Requirements
49
Dry Run Procedure
51
Electronic Expansion Valve
53
General
53
Stepper Module Checkout Procedure
53
EXV Motor and Wiring Checkout Procedure
54
Motor Winding Resistance Checkout
54
Motor Voltage Checkout Procedures
55
Liquid Level Sensor Checkout
57
General
57
Checkout Procedure
57
Gas Pump Checkout
59
General
59
Gas Pump Checkout Procedure - Unit off
59
Gas Pump Checkout Procedure - Unit on
60
RTHC Optical Sensor
63
General
63
Checkout Procedure
63
Interprocessor Communication (IPC)
65
General
65
IPC Diagnostics
65
Troubleshooting Modules Using IPC Diagnostics
66
Opens or Shorts in the Twisted Pair IPC Wiring or Connectors
67
Loss of Power to a Module
67
Internal Module Failure
68
Incorrect Polarity
68
High Levels of Electro-Magnetic Interference
68
Module Specific Function Selected Without the Options Module
68
Loss of Common Ground
68
Procedure for Troubleshooting IPC Communication Diagnostics
69
Communication Diagnostics
69
Troubleshooting Data Not Valid Diagnostics
70
For a "Loss of Comm with Stepper" Diagnostic
70
Module Power and Miscellaneous I/O
73
General
73
Power Supply
73
Clear Language Display (CLD) Keypad Overview (1U4)
73
Select Report Group
74
Select Settings Group
74
Passwords
75
Select Report Group and Select Settings Group Flowcharts
75
Auto/Stop Keys
76
Power up
77
Leds
78
Chiller Module (1U1)
78
Test Points
78
I/O Terminals
79
Starter Module (1U2)
82
Test Points
82
I/O Terminals
82
Stepper Module (1U3)
85
Test Points
85
I/O Terminals
85
Test Points
86
Options Module (1U5)
87
I/O Terminals
87
Switch SW2
89
Switch SW3
89
External Setpoint Inputs (4-20Ma/2-10VDC)
89
TCI-COMM 3 and 4 (1U6)
92
Test Points
92
ICS Communications
92
I/O Terminals
93
Printer Interface (1U7)
93
Test Points
93
Recommended Printer Setup
94
I/O Terminals
95
Diagnostic Table
97
General
97

Trane RTHC Installation, Operation And Maintenance Manual

Trane RTHC Installation, Operation And Maintenance Manual (48 pages)

Solid State Starter Conversion

Brand: Trane | Category: Chiller | Size: 2 MB

Table of Contents

Table of Contents
4
General Information

5
RTHA Units with Wye-Delta Starters

8
- Removal of Existing Starter
  8
- Installation of Benshaw Starter
  9
- Additional Components
  10
- Wiring
  10
RTHB Units with A515 (or Wye-Delta) Starters

14
- Removal of Existing Starter
  14
- Installation of Benshaw Starter
  15
- Additional Components
  16
- All Components Installed
  16
- Wiring
  16
RTHC Units with Easystart (or Wye-Delta) Starter

20
- Removal of Existing Starter
  20
- Installation of Benshaw Starter
  21
- Additional Components
  22
- Wiring
  22
RTHC Units with IT (or Wye-Delta) Starter

26
- Removal of Existing Starter
  26
- Installation of Benshaw Starter
  27
- Additional Components
  28
- Wiring
  28
RTHD Units with IT Starter

32
- Removal of Existing Starter
  32
- Installation of Benshaw Starter
  33
- All Components Installed
  34
- Additional Components
  34
- Wiring
  34
Quick Start, Initial Parameters

38
- Prior to Unit Power up
  38
Remote Keypad

41
Troubleshooting

42
Parts Ordering

43
- Selecting New Starter
  43
- Mounting Dimensions
  44
- Starter Power Leads
  47
- Circuit Breaker with Shunt Trip
  47
- Additional Components
  47
- Service Components
  47
- Production Change
  47
- Questions
  47

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Trane RTHC Troubleshooting Manual

Trane RTHC Troubleshooting Manual (28 pages)

Brand: Trane | Category: Air Compressor | Size: 0 MB

Table of Contents

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