Auto-zone-control-systems Auto-Zone Plus Systems Installation & Operatio Manual de usuario Pagina 172
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Section 4 Auto-Zone Plus
4-22 Start-Up and Troubleshooting
1.3.12 Troubleshooting Checklist
No Zones are Communicating
• Is the CommLink IV connected and plugged in?
• Are the Zone Manager addresses set to 17?
In an Auto-Zone Plus system all Zone Managers are set to Address = 17.
• Are Comm Loop voltages correct? See the Comm Loop troubleshooting guides.
• Is the Comm Loop open or shorted?
• Are the Zone Controller address switches set correctly? See the addressing chart.
• Are the Zone Controllers powered? Check 24 VAC to the controllers.
• Is the Network Loop shorted to or connected to any of the Local loops? Check
Network Loop voltages.
• Is the System Manager connected to a Local loop?
Do not connect the system manager to the network loop!
Some Zones are communicating but others are not:
• Is the Zone Manager set for the correct number of zones?
• Are the Zone Controller address switches set correctly? See the addressing chart.
• Are the Zone Controllers powered? Check 24 VAC to the controllers.
• Is the REC LED on the missing Zone Controller “flickering”? See Zone Controller
introduction for location of the REC LED.
• Is the SCAN LED blinking an error code? See the Blink Code chart.
• Are Comm Loop voltages correct at the missing unit? See the Comm Loop
troubleshooting guide.
- Plus System 1
- Auto-Zone Plus 2
- Section 1 3
- Conventions 5
- General Information 7
- Zone Manager 10
- Bypass Damper or VFD Control 11
- Constant Volume Controller 12
- Zone Sensor 13
- Expansion Boards 13
- Design Considerations 14
- Low Supply Air Temperatures 15
- Override Conditions 17
- Building Pressurization 18
- Design Guide 19
- Selection 23
- Step #6 - VFD Considerations 24
- Round Zone Damper Selection 26
- Rectangular Zone Dampers 28
- Auxiliary Heat Control 29
- Options 29
- Relay #1 - Parallel Fan 30
- Relay #2 - Box Heat 30
- Relay #3 - Aux Heat 30
- Relay #4 - Series Fan 30
- Table of Contents 33
- Table of Figures 34
- Section 2 Auto-Zone Plus 36
- 2-4 Design Guide 36
- Installation Tips 37
- 2-6 Design Guide 38
- Bypass Damper 39
- Zone Manager Components 41
- Zone Manager Wiring 42
- Zone Manager Addressing 43
- Expansion Board Wiring 44
- Communications Loops 46
- To Comp uter 47
- Bypass Dampers 48
- Bypass Damper Wiring 50
- Zone Dampers 51
- Zone Controllers 52
- Zone Controller Components 53
- ACTUATOR 56
- EXPANSION 56
- Auxiliary Relay Board for 57
- 2-26 Design Guide 58
- CV Controller 60
- CV Controller Wiring 62
- CV-C Controller 65
- CV-C Controller Wiring 66
- CV-C Expansion Board Wiring 67
- CV-C Controller Addressing 69
- Sensors 70
- 4.0" 72
- 3/4" 72
- Incorrect 73
- See Note #1 73
- Duct Static Pressure Sensor 74
- CommLink IV 76
- Optional Remote Link II 77
- CommLink IV Wiring 78
- Comm Loop 79
- Comm Loo 79
- Installing the CommLink IV 80
- System Manager 81
- System Manager Wiring 82
- 2-54 Design Guide 86
- Section 3 Auto-Zone Plus 88
- 3-2 Programming 88
- System Manager Layout 90
- View/Change Zone 91
- Zone Controller Status 91
- Constant Volume Unit 91
- View Alarms Screen 92
- Full System Access 93
- Set Time & Date 94
- New Passcodes 95
- Rebuild Alarm Map 96
- Read / Reset Units 97
- Zone Manager Status 99
- Status Screen #3 100
- Status Screen #4 100
- Status Screen #5 100
- Status Screen #6 101
- Status Screen #7 101
- Status Screen #8 101
- Configuration 102
- Configuration Screen #16 106
- Configuration Screen #17 106
- Configuration Screen #18 106
- Zone Manager Setpoints 107
- Setpoint Screen #5 109
- Setpoint Screen #6 109
- Setpoint Screen #7 109
- Setpoint Screen #8 110
- Setpoint Screen #9 110
- Setpoint Screen #12 112
- Setpoint Screen #13 112
- Setpoint Screen #14 112
- Setpoint Screen #15 113
- Setpoint Screen #16 113
- Zone Manager & CV AHU 114
- Force Modes 114
- Min/Max Force Modes 115
- Open/Close Force Modes 115
- Zone Controller 116
- Read/Reset Operations 116
- Individual Zone Status 116
- Screens 116
- Status Screen #1 117
- Status Screen #2 117
- Zone Controller Setpoints 119
- Setpoint Screen #3 120
- Setpoint Screen #4 120
- Zone Controller Force 123
- CVAHU Read/Reset 124
- Operations 124
- CVAHU Status 125
- CVAHU Setpoints 128
- Setpoint Screen #10 132
- Setpoint Screen #11 132
- Scheduling, Holidays and 135
- Optimal Start 135
- Holidays 136
- CV AHU Scheduling and 138
- Wetbulb Module 140
- Wetbulb Setpoints 141
- LCD/Keypad Operations 142
- Summary 142
- Section 4 151
- 1.0 Communications 153
- Overview 153
- 1.2 Auto-Zone - Plus System 154
- (Optional) 155
- The Loop Does Not 156
- Have To Follow The Board 156
- Address Sequence 156
- USB Cable 156
- To Computer 156
- Auto-Zone Plus Section 4 157
- Communications Interface 159
- 1.3 Troubleshooting 160
- 485 LOOP 162
- T - to - G 163
- R - to - G 163
- Are Under The Chip 170
- 2.0 Zone Manager 173
- 2.1.3 Purge Mode 174
- 2.1.4 Return Air Control 174
- 2.1.5 Operating Summary 174
- Manager 175
- 2.2.3 HVAC Unit Connector 176
- 2.2.5 Powered Exhaust 177
- Section 4 Auto-Zone Plus 180
- 133 IN-LB 181
- 2.3 Troubleshooting 182
- 2.3.1 (continued) 183
- 2.3.2 (continued) 185
- 3.0 Zone Controller 188
- 3.1.3 Operating Summary 189
- Controller 190
- 3.2.2 Room Sensor Connector 191
- 3.2.3 Auxiliary Inputs 191
- 3.2.7 Damper Actuator Jack 192
- 3.3 Helpful Tips 194
- 4.0 CV Controller 195
- 4.2.7 CV Controller Wiring 200
- 5.0 Start-Up 201
- 5.2 General Troubleshooting 202
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