Bard D36A2P/BLD.10304, Installation And Service Instructions Manual

Manual 2100-620A 

Page 

2 of 107

FIGURES AND TABLES

Figure 1.1  Wall-Mount Unit Model Nomenclature ......8
Figure 1.2  Dimensions ..........................................10
Figure 1.3  Mounting Instructions ...........................12
Figure 1.4  Electric Heat Clearance .........................13
Figure 1.5  Wall Mounting Instructions ....................13
Figure 1.6  Wall Mounting Instructions ....................14
Figure 1.7  Common Wall Mounting Installations ......14
Figure 1.8  Circuit Routing Label ............................16
Figure 1.9 

WIRING:

 VAC Supply Wiring Landing Points . 16

Figure 1.10  Adjusting the 230/208VAC Transformer ..17
Figure 1.11 

WIRING:

 VDC Supply Wiring Landing Points . 17

Figure 1.12  Bard Polarity-Voltage Monitor .................18
Figure 1.13 

WIRING: 

Typical LC1000/LC1500 Wiring .. 20

Figure 1.14  Remote Temperature Sensor Install ........22
Figure 1.15  Additional Remote Temp Sensor Install ...23
Figure 1.16  Power and Signal Connections – Smoke ..24
Figure 1.17  Power/Signal Connections – Hydrogen ....25
Figure 1.18  LC1000/LC1500 Generator Run ............25
Figure 1.19 

WIRING: 

LC1000 External Alarm Wiring .. 26

Figure 1.20 

WIRING: 

LC1500 External Alarm Wiring .. 27

Figure 1.21 

WIRING: 

Communication Wiring ............28

Figure 1.22 

WIRING: 

Communication Wiring: 

Controller Termination ...........................29

Figure 1.23 

WIRING: 

Communication Wiring: 

1st Unit Termination .............................30

Figure 1.24 

WIRING: 

Communication Wiring: 

2nd Unit Termination ............................31

Figure 1.25  Controller Circuit Install ........................32
Figure 1.26  Controller Grounding Posts ....................32
Figure 1.27 

WIRING: 

LC1000/LC1500 Wiring Diagram .. 34

Figure 1.28 

WIRING: 

LC1500 Punch-Down Block Wiring 35

Figure 1.29  Bard-Link

TM

 Controller Display ...............36

Figure 1.30  Clock/Scheduler Menu ..........................36
Figure 1.31  Status Display Showing Units "Online" ....36
Figure 1.32  Executing Run Test ...............................37

SECTION 1: Installation Instructions ......................................................................................................... 7

List of Necessary Materials/Tools .........................................................................................................................8

Site Preparation .................................................................................................................................................9

Wall-Mount Unit Installation .............................................................................................................................11

Wall-Mount Unit Supply Wiring ..........................................................................................................................15

Preliminary Start-Up .........................................................................................................................................19

 Bard-Link

TM

 Controller Installation .....................................................................................................................20

System Start-Up ..............................................................................................................................................36

SECTION 2: Service Instructions ............................................................................................................... 39

General Refrigerant Information .........................................................................................................................40

Sequence of Operation .....................................................................................................................................42

Advanced Programming ....................................................................................................................................49

Using the TEC-EYE ..........................................................................................................................................54

Componentry Specifications ..............................................................................................................................57

Maintenance and Troubleshooting ......................................................................................................................64

SECTION 3: Parts Manual ............................................................................................................................ 73

D-Series Wall-Mount Unit .................................................................................................................................74

 Bard-Link

TM

 PLC Lead/Lag Controller ..................................................................................................................88

SECTION 4: Appendices .............................................................................................................................. 91

Appendix 1: LC-Series Controller Architecture .....................................................................................................92

Appendix 2: TEC-EYE Architecture ....................................................................................................................99

CONTENTS

Figure 2.1  Refrigerant Sight Glass .........................41
Figure 2.2  Wall-Mount Unit Control Board ..............43
Figure 2.3  Controller Board and Terminal Block .......45
Figure 2.4  LC Series Controller Control Board .........46
Figure 2.5  Free Cooling Damper Operation ..............48
Figure 2.6  Bard-Link

TM

 Controller Display ...............49

Figure 2.7  Controller Status Display .......................50
Figure 2.8  TEC-EYE Display ..................................54
Figure 2.9  TEC-EYE Connection to Unit Control ......54
Figure 2.10  TEC-EYE Status Display ........................55
Figure 2.11  Fan Blade Setting .................................59
Figure 2.12  Dirty Filter Switch .................................59
Figure 2.13  Power Loss Relay Circuit .......................60
Figure 2.14  High Pressure Relay Circuit ...................60
Figure 2.15  Blower Motor Start Relay Circuit ............60
Figure 2.16  Unit Control Panel ................................61
Figure 2.17 

WIRING: 

Unit Wiring Diagram ................62

Figure 2.18  Low Voltage Connections .......................63
Figure 2.19  Troubleshooting Motor Power Supply ......65
Figure 2.20  Troubleshooting Motor Start Command ...66
Figure 2.21  Troubleshooting Speed Voltage ...............66
Figure 2.22  VDC Polarity Check ...............................67
Figure 2.23  Verifying Incoming Voltage .....................68

Table 1.1  Electrical Specifications ..........................15
Table 1.2  Terminal Block Index ...............................33
Table 1.3  Controller Default Settings .......................38
Table 2.1  Nominal Pressures ..................................41
Table 2.2  Blower Speed Voltage Chart .....................42
Table 2.3  Controller Default Settings .......................48
Table 2.4  Controller Programmable Features ............52
Table 2.5  Temp vs. Resistance of Temp Sensor. ........58
Table 2.6  Indoor Blower Performance ......................59
Table 2.7  Troubleshooting 48VDC Blower Motor ........65
Table 2.8  Blower Speed Voltage Chart .....................66