Trane ReliaTel Manuals

Manuals and User Guides for Trane ReliaTel. We have 2 Trane ReliaTel manuals available for free PDF download: Diagnostic Manual, Installation Manual

Trane ReliaTel Diagnostic Manual

Trane ReliaTel Diagnostic Manual (168 pages)

Microprocessor Controls

Brand: Trane | Category: Controller | Size: 5.82 MB

Table of Contents

Introduction
2
Reliatel Introduction
2
Why Change
2
Table of Contents
3
General Information
9
Reliatel Vs. Electromechanical
9
Reliatel - Module Descriptions
9
Module Flow Diagram
11
Low Voltage Terminal Strip
20
Typical Control Box Layout
21
Reliatel Refrigeration Module (RTRM)
25
RTRM Diagnostics
26
27½ to 50 Ton Unit Additional Diagnostics (VAV Only)
33
Default Operations
34
Reliatel Option Module (RTOM)
36
RTOM Layout
36
RTOM Inputs
37
Setpoint Potentiometers
38
Reliatel Ventilation Module (RTVM)
41
RTVM Layout
41
RTVM Inputs
41
Setpoint Potentiometers
42
Reliatel Dehumidification Module (RTDM)
43
RTDM Layout
43
RTDM Inputs
43
Verifying Proper Air Flow
44
Units with Direct Drive Indoor Fan with MMC
44
Reliatel LED Functions
45
Reliatel Refrigeration Module (RTRM)
45
Green System LED
45
Green Transmit LED
45
Yellow Receive LED
45
Reliatel Options Module (RTOM)
45
Reliatel Ventilation Module (RTVM)
45
Reliatel Air Handling Module (RTAM)
45
Reliatel Dehumidification Module (RTDM)
46
Green System LED
46
Economizer Actuator Module (ECA)
46
Ignition Control (IGN)
46
Green
46
TCI COMM3/4 Interface (Tracer, Varitrac)
47
Yellow RX (Receive) LED
47
Green TX (Transmit) LED
47
LCI (Lontalk)
47
LED1 Green MODBUS LED
47
LED4 Green LCI Status LED
47
LED2 Red Service LED
47
LED3 Yellow Comm RX
47
Reliatel Test Mode
48
Protocol of Communications
48
Service Test Mode
48
Auto-Cycle Test
48
Resistance Test
49
Step Test
49
Test Mode
50
Service Tips
50
Thermostats and Sensors
55
High Temperature Sensor Diagram
73
Operation with a Conventional Thermostat (Constant Volume)
74
Zone Sensor Module Testing
78
Mechanical Zone Sensor Module
78
Temperature Input
78
Setpoint Input
79
Mode Input
80
Programmable Zone Sensor BAYSENS119A and BAYSENS019C (Obsolete)
81
RTRM/RTOM (Temperature Inputs)
83
Outdoor Air Sensor, Discharge Air Sensor, Coil Temperature Sensor
83
Zone Sensor Averaging
85
COMM3/4 Interface Operation & Troubleshooting
86
Wiring
86
Led's
86
Communication Problems
86
Direct Spark Ignition Control (Texas Instruments, 3-10 Ton Units Only)
88
Direct Spark Ignition Control (Sequence of Operation, 3-10 Ton Units Only)
89
1-Stage Units
89
Reliatel Hot Surface Ignition Control (12.5 - 50 Ton 1 Stage, 2 Stage, and Mod- Ulating Gas Heat)
90
Ignition Control Module Diagnostics
90
Sequence of Operations (1 and 2 Heat Units)
91
Heat Pump Demand Defrost
93
Defrost Service Test
93
Defrost Mode Operation
93
Sequence of Operation
94
Emergency Heat Operation
94
Diagnostic Information
94
Independent Circuit Defrost Operation
95
Reliatel Economizer Module Layout (Honeywell)
96
Reliatel Economizer Layout (RTEM)
97
Reliatel Economizer Actuator Layout
98
Reliatel Economizer Operation
99
Customer Benefit
99
VAV Economizer Cooling Operation
99
Economizer Operation with Zone Sensor, Programmable Zone Sensor or ICS
100
Economizer Operation with Conventional Thermostat (CV Only)
100
Barometric Relief
100
Power Exhaust
101
Economizer Control Methods
101
Thermostat Notes
101
Economizer Damper Enthalpy Layout
103
Economizer Operation Enthalpy Changeover
104
Dry Bulb/Reference Point Selections
104
Comparative Enthalpy Method
104
Reference Enthalpy Method
104
Reference Dry Bulb Method
105
Internal Calculations
105
Reliatel Economizer Operation & Inputs
106
Reliatel Economizer Inputs
106
Economizer Actuator Module W7340A1004 (Used Prior to 08/1/05)
106
Service Tips
106
Economizer Actuator Module W7340B1002 (08/01/05 and Later)
107
Reliatel Economizer Control Actuator (LED Fault Code Info.)
108
Actuator Fault (Honeywell)
108
Actuator Fault (RTEM)
108
Sensor Faults
108
Reliatel Humidity Sensors
109
To Test Humidity Sensors
109
Space Pressure Control with Statitrac (27.5-50 Tons)
111
Description of Function
111
Exhaust Fan Control
111
Sensor and Setpoint Arbitration
111
Space Pressure Zero Function
111
Exhaust Damper Output Control
111
Failure and Override Modes of Operation
112
Electromechanical Economizer Functions
113
Electromechanical Economizer Testing
114
Electromechanical Mixed Air Sensor
114
Service Tips
114
Electromechanical Economizer (3 Position Damper)
115
Reliatel Control Temporary Operation 3-25 Tons
116
Reliatel Supply Air Tempering Control
117
Enable Supply Air Tempering
117
Sequence of Operation
117
Constant Volume Units with Staged Heat
117
Variable Air Volume Units
117
Discharge Air Sensing with TCI Comm3/4
118
3-25 Ton Units
118
27.5-50 Tons Units
118
CO Sensor Connections
119
(Reliatel Units with Demand Controlled Ventilation)
119
Demand Controlled Ventilation (DCV)
119
RTEM Operation
119
RTEM W/ RTRM V8.0 and Later
119
RTEM W/ RTRM V7.0 and Earlier
121
Honeywell Operation
122
Voyager 27.5 - 50 Tons VAV Notes
122
Reliatel Ventilation Override
124
Dehumidification with Hot Gas Reheat (3-25 Tons)
125
Sequence of Events
125
Modulating Dehumidification with Hot Gas Reheat (27.5-50 Tons)
128
Controls Overview
128
Heating/Cooling Changeover
131
Low Ambient Mechanical Cooling Operation (3-25 Ton Units)
132
Evaporator Defrost Control (EDC) Function
132
Reliatel Condenser Fan Control Logic
133
12.5 - 25 Ton
133
Condenser Fan Sequencing Control
133
Odyssey Independent Circuit Heat Pump Condenser Fan Control
134
Phase Monitor
135
3 - 25 Ton Reliatel Units
135
Electromechanical Time Delay Relay
136
Time Delay Relay
136
Fan "Off" Delay Solid State Timer
136
Snubber Circuits
137
Transformer Troubleshooting
138
High Pressure and Low Pressure Lockout Circuits
139
LPC Logic
139
LPC Sequence of Operation
139
LPC Operation for 27.5-50T Units with Modulating Reheat
139
HPC Logic
141
HPC Sequence of Operation
141
Novar Controls (Sequence of Operation)
142
General
142
Cooling with an Economizer
142
Cooling Without an Economizer
142
Economizer Set-Up
143
Novar Controls Checkout/Troubleshooting Procedure
143
General
143
Checkout Procedure
143
Voyager Commercial 27½ to 50 Tons CV and VAV
146
Overview
146
Constant Volume (CV)
146
Variable Air Volume (VAV)
146
RTRM - Reliatel Refrigeration Module - (Standard)
146
RTOM - Reliatel Options Module - (Standard)
147
RTAM - Reliatel Air Handler Module - (Standard on VAV)
147
ECA - Economizer Actuator - (Optional)
147
TCI - Trane Communication Interface - (Optional)
147
LCI - Lontalk Communication Interface (Optional)
147
IGN - Ignition Control Module (YC* Only)
147
Configuration Input
148
Supply Duct Static Pressure Control
149
Modes of Operation
149
VHR Relay
151
Troubleshooting Tips
152
Application Notes
152
BAYSENS021A Setpoint Input
152
Remote Setpoint Inputs on RTAM J7
153
Outdoor Air Flow Compensation for VAV Units
158
Outdoor Airflow Compensation (27½ - 50 Ton VAV Only)
158
Set up
158
Well ECA
158
Operation for RTRM 8.0 and Later with RTEM
159
Software Change History
160
Index
164

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Trane ReliaTel Installation Manual

Trane ReliaTel Installation Manual (29 pages)

Commercial Touch Screen Programmable Zone Sensor

Brand: Trane | Category: Touch Panel | Size: 2.25 MB

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