Bard LV1000-100 Installation Support Materials

Brand: Bard

Model: LV1000-100

Type: Installation Support Materials

Page 1 of 36

Bard Manufacturing Company, Inc.

Bryan, Ohio 43506

www.bardhvac.com

Date: 4-18-17

INSTALLATION

SUPPORT

MATERIALS

LV1000-100 CONTROLLER

Part of the Bard Free Cooling Unit System

NOTE: LV1000 Controller is required for operation when multiple

FUSION-TEC

HR**AP wall-mount units are used.

Page 2 of 36

FIGURES AND TABLES

Figure 1.1 Typical LV1000 Component Location ........7

Figure 1.2 LV1000 Fused Power Supply Terminal ......8

Figure 1.3 Remote Indoor Sensor Installation ............ 9

Figure 1.4 Additional Remote Sensor Installation ....10

Figure 1.5 WIRING: Communication Wiring

(Daisy Chain Method) ............................ 12

Figure 1.6 WIRING: Communication Wiring

(Alternate Method) ................................12

Figure 1.7 Communication Wire Filter Placement ....13

Figure 1.8 WIRING: Communication Wiring:

Controller Termination ........................... 14

Figure 1.9 WIRING: Communication Wiring:

1st Unit Termination .............................15

Figure 1.10 WIRING: Communication Wiring:

Additional Unit Termination ...................16

Figure 1.11 Controller Circuit Install ........................17

Figure 1.12 Controller Grounding Posts ....................17

Figure 1.13 WIRING: LV1000 Wiring Diagram...........19

Figure 1.14 LV1000 Display and Interface ................ 20

Figuer 1.15 Quck Menu Icons .................................21

Figure 1.16 Setting Controller Date and Time ............ 21

Figure 1.17 Conﬁguring Indoor Humidity 1 Sensor ....21

Figure 1.18 Conﬁguring Indoor Humidity 2 Sensor ....22

Figure 1.19 Conﬁguring Indoor Humidity 3 Sensor ....22

Figure 1.20 Conﬁguring Indoor Temp 1 Sensor .......... 22

Figure 1.21 Conﬁguring Indoor Temp 2 Sensor .......... 23

Figure 1.22 Conﬁguring Indoor Temp 3 Sensor .......... 23

Figure 1.23 Entering Total Number of Units .............. 23

Figure 1.24 Verifying Units .....................................24

Figure 2.1 Adjusting Alarm Setpoints .....................26

Figure 2.2 Changing Input Values ..........................28

Figure 2.3 Adjusting Units Running When

Generator Is Active ...............................29

Figure 2.4 Adjusting Economizers Running When

Generator Is Active ...............................29

Figure 2.5 Changing Output Values ........................30

Figure 2.6 Adjusting Setpoints ..............................32

Figure 2.7 Adjusting Unit Rotation Parameters ........ 34

Figure 2.8 Adjusting Setpoints ..............................35

SECTION 1: Installation Instructions ......................................................................................................... 5

List of Necessary Materials/Tools ........................................................................................................................ 6

LV1000 Controller Installation ............................................................................................................................ 7

System Start-Up ............................................................................................................................................. 20

SECTION 2: Service Instructions ............................................................................................................... 25

Alarms ........................................................................................................................................................... 26

Alarm Adjustment ..................................................................................................................................... 28

Humidiﬁer Output .................................................................................................................................... 31

Control Operation ............................................................................................................................................ 32

Temperature Control ................................................................................................................................. 33

Humidity Control ...................................................................................................................................... 34

Fan Control .............................................................................................................................................. 35

Hour Counting .......................................................................................................................................... 35

Additional Programming .................................................................................................................................. 36

CONTENTS

Table 1.1 Terminal Block Index ...............................18

Table 2.1 Temperature and Humidity Sensors ........... 26

Table 2.2 Cooling Staging ....................................... 33

Table 2.3 Heating Staging ......................................35

Free Cooling Unit System

This Bard Free Cooling Unit system is composed of FUSION-TEC wall-mounted air conditioners matched with an

LV1000 ﬁrst on/next on controller. The wall mounts are speciﬁcally engineered for telecom/motor control center

rooms.

NOTE: The LV1000 controller and FUSION-TEC wall-mount units are designed speciﬁcally to work together. The

LV1000 controller cannot run other Bard models or other brands of systems, nor can other controllers run

the FUSION-TEC wall-mount units. They are a complete system, and must be used together.

Controller

LV1000 controller and accessories included shown below.

Remote Temperature/

Humidity Sensor*

(with 35' shielded cable)

Bard P/N 8403-079

Communication

EMI Filters

Bard P/N 8301-055

TEC-EYE

Hand-Held

Diagnostic Tool

Bard P/N 8301-059

LV1000 Series

* One remote temperature/humidity sensor and 35' of shielded cable are included with the LV1000 controller.

Up to two additional remote temperature/humidity sensors can be purchased and installed. Temperature-only

sensors (Bard P/N 8301-058) may be used instead of the additional temperature/humidity sensors, but will

also need to be purchased separately.

LV1000 Series

Programmable Logic

Controller

The equipment covered in this manual is to be installed

by trained, experienced service and installation

technicians.

These instructions should be carefully read before

beginning the installation. Note particularly any tags

and/or labels attached to the equipment.

While these instructions are intended as a general

recommended guide, they do not supersede any national

and/or local codes in any way. Authorities having

jurisdiction should be consulted before the installation is

made. See Additional Publications for information

on codes and standards.

Shipping Damage

Upon receipt of equipment, the cartons should be

checked for external signs of shipping damage. If

damage is found, the receiving party must contact

the last carrier immediately, preferably in writing,

requesting inspection by the carrier’s agent.

Additional Publications

These publications can help when installing the

furnace. They can usually be found at the local library

or purchased directly from the publisher. Be sure to

consult the current edition of each standard.

National Electrical Code ......................ANSI/NFPA 70

Standard for the Installation of Air Conditioning

and Ventilating Systems ...................ANSI/NFPA 90A

Standard for Warm Air Heating

and Air Conditioning Systems ............ANSI/NFPA 90B

Page 3 of 36

GENERAL INFORMATION

Load Calculation for Residential Winter

and Summer Air Conditioning ............. ACCA Manual J

Duct Design for Residential Winter and Summer

Air Conditioning and Equipment Selection

....................................................... ACCA Manual D

For more information, contact these publishers:

Air Conditioning Contractors of America (ACCA)

1712 New Hampshire Ave. N.W.

Washington, DC 20009

Telephone: (202) 483-9370 Fax: (202) 234-4721

American National Standards Institute (ANSI)

11 West Street, 13th Floor

New York, NY 10036

Telephone: (212) 642-4900 Fax: (212) 302-1286

American Society of Heating, Refrigeration and Air

Conditioning Engineers, Inc. (ASHRAE)

1791 Tullie Circle, N.E.

Atlanta, GA 30329-2305

Telephone: (404) 636-8400 Fax: (404) 321-5478

National Fire Protection Association (NFPA)

Batterymarch Park

P. O. Box 9101

Quincy, MA 02269-9901

Telephone: (800) 344-3555 Fax: (617) 984-7057

Page 4 of 36

ANSI Z535.5 Deﬁnitions:

DANGER: Indicate[s] a hazardous situation which, if

not avoided, will result in death or serious injury. The

signal word “DANGER” is to be limited to the most

extreme situations. DANGER [signs] should not be used

for property damage hazards unless personal injury risk

appropriate to these levels is also involved.

WARNING: Indicate[s] a hazardous situation which,

if not avoided, could result in death or serious injury.

WARNING [signs] should not be used for property

damage hazards unless personal injury risk appropriate

to this level is also involved.

CAUTION: Indicate[s] a hazardous situation which, if

not avoided, could result in minor or moderate injury.

CAUTION [signs] without a safety alert symbol may be

used to alert against unsafe practices that can result in

property damage only.

NOTICE: [this header is] preferred to address practices

not related to personal injury. The safety alert symbol

shall not be used with this signal word. As an

alternative to “NOTICE” the word “CAUTION” without

the safety alert symbol may be used to indicate a

message not related to personal injury.

SECTION 1:

INSTALLATION

INSTRUCTIONS

Page 5 of 36

LIST OF NECESSARY MATERIALS/TOOLS

Additional hardware and miscellaneous supplies are needed for installation. These items are ﬁeld supplied and must

be sourced before installation. This list also includes tools needed for installation.

List of Materials/Tools

• Personal protective equipment/safety devices

• Miscellaneous hand and power tools and jobsite or

shop materials

• Electrical supplies:

- Circuit breaker for the shelter AC breaker

box (see unit electrical speciﬁcations for

requirements)

- 16 gauge minimum, 14 gauge maximum

power wire to connect controller to shelter

power source

- Communication wire: 2-wire, 18 gauge,

shielded with drain

- 5-wire, 18 gauge shielded cable with drain for

remote temperature and humidity sensors

- 18 gauge non-shielded wire for connecting

smoke detector, hydrogen detector and/or

generator, if applicable, to controller

CAT 6 Ethernet cable of field-determined length

(for remote communication, if applicable)

- Miscellaneous electrical supplies including

rigid/flexible conduit and fittings, 2" x 4"

junction boxes (one per temperature/humidity

sensor), wire connectors and supports

- Fasteners appropriate for the shelter wall

construction to attach the controller to the wall

The following is required and must be sourced prior

to installation of these units.

• One (1) 5A circuit breaker for the shelter DC

power plant (for the controller)

Circuit breakers for Emerson Network Power (ENP)

power plants (used in most telecomm shelters built

today) are available directly through the following

distributors:

• Emerson Network Power: 440.288.1122

• Master Electronics: 888.473.5297 or

www.onlinecomponents.com

Emerson Network Power (ENP) Part Number

• 5A circuit breaker: P/N 101598

Always conﬁrm the application before ordering.

Page 6 of 36

LV1000 CONTROLLER INSTALLATION

FIGURE 1.1

Typical LV1000 Component Location

Control Board

RJ11 Cable

to Display

-48VDC to 24V

Power Supply

USB

Connection

Terminal Block

Power Supply

Connections

Shelter Inputs

and Outputs

Power Loss Relay

Page 7 of 36

1. Mounting the LV1000 Controller

Because the LV1000 controller utilizes a remote

temperature sensor as opposed to one located in the

controller box, the controller itself can be installed in

any indoor location that is suitable, preferably at eye

level. Four (4) mounting holes are provided for mounting

to the wall and holes for conduit connection are provided

in both the base, sides and top of the controller.

The LV1000 controller includes a fused power supply

terminal in the terminal block. Before connecting wires

to the terminal block, conﬁrm that the fuse in the fuse

holder is in the proper position (active) as shown in

Figure 1.2.

Electrical shock hazard.

Disconnect VAC and VDC power supplies

before servicing.

Failure to do so could result in electric shock

or death.

WARNING

LV1000 Controller

The LV1000 controller is part of the Free Cooling

Unit system by Bard. It is used to control up to four

(4) wall-mount air conditioners from one controller.

The microprocessor control provides an easy-to-read

interface with large LCD graphical display. It provides

control for redundancy for the structure and equal wear

on all units. The LV1000 controller is conﬁgured for

ﬁrst on/next on sequence.

Conduit is recommended for all wiring. Route

communication wiring and power supply wiring in their

own separate conduits.

The LV1000 controller is not weatherproof and is

intended for use in weathertight structure.

FIGURE 1.2

LV1000 Fused Power Supply Terminal

Shipping Position

Fuse in Active Position

Page 8 of 36

1 2 3

4 5 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 466

DP1

DP2

2. Installing Remote Indoor Temperature/Humidity Sensor(s)

One remote indoor temperature/humidity sensor and 35' of 18 gauge shielded cable is included with the controller.

This sensor must be installed for proper operation. Mount the temperature/humidity sensor in a location least likely to

be affected by open doors, rack-mounted fans, radiant heat sources, etc. Location height should be approximately 60"

above the ﬂoor. The sensor should be installed on a 2" x 4" junction box to allow for control wire conduit (see Figure

1.3). Use shielded cable to connect to controller.

FIGURE 1.3

Remote Indoor Temperature/Humidity Sensor Installation

1. Connect wires from the 18 gauge shielded cable to terminals #24, #25, #18, #19 and #30.

2. Connect the other end of the shielded cable to the sensor

terminals. Be sure wires are connected to proper terminals

as shown in table above. Sensor jumpers need to be

positioned for 0-1 V. With sensor oriented as shown in

image to right, move both jumpers to left position (DP1 and

DP2 set to OFF).

This applies to all temperature/humidity sensors connected

to the LV controller.

Sensor is best mounted on a junction box, and it is

recommended that the cable be in conduit.

TB#

Wire

Mark

Sensor Description

24 B6 NTC OUT Indoor Temperature 1

25 GND NTC OUT Ground

18 B2 OUT H Indoor Humidity 1 Signal: 0-1 VDC

19 GND M (G) Indoor Humidity 1 Common

30 +VDC + (G) Indoor Humidity 1 Power

Jumper

Page 9 of 36

Up to two additional temperature/humidity sensors may be added. Be sure the sensors are connected to the proper

terminals on the terminal block and sensor as listed below. See page 9 for information on correct sensor jumper

position.

FIGURE 1.4

Additional Remote Temperature and Temperature/Humidity Sensor Installation

For proper operation, the remote indoor temperature/humidity sensor must be conﬁgured properly with the

controller. If only the single remote indoor temperature/humidity sensor supplied with the controller is installed,

the conﬁguration setting is "0". This is the default setting. Up to two additional temperature and humidity sensors

can be purchased and installed. Alternately, temperature-only sensors can be purchased and installed instead of

the combination sensors. For information on remote indoor sensor conﬁguration, see page 21.

Use shielded cable to

connect additional sensors to controller.

Optional Remote

Temperature/Humidity Sensor

Terminals 28, 29, 22, 23 & 32

TB#

Wire

Mark

Sensor Description

28 B8 NTC OUT Indoor Temperature 3

29 GND NTC OUT Ground

22 B4 OUT H Indoor Humidity 3 Signal: 0-1 VDC

23 GND M (G) Indoor Humidity 3 Common

32 +VDC + (G) Indoor Humidity 3 Power

Optional Remote

Temperature/Humidity Sensor

Terminals 26, 27, 20, 21 & 31

TB#

Wire

Mark

Sensor Description

26 B7 NTC OUT Indoor Temperature 2

27 GND NTC OUT Ground

20 B3 OUT H Indoor Humidity 2 Signal: 0-1 VDC

21 GND M (G) Indoor Humidity 2 Common

31 +VDC + (G) Indoor Humidity 2 Power

Temperature-only sensors can be used in place of the additional temperature/humidity sensors. #2 temperature-only sensor

will connect to TB# 26 and 27. #3 temperature-only sensor will connect to TB# 28 and 29. The wire connections for the

temperature-only sensors are not polarity sensitive.

1 2 3 4 5 7 8 9 10 11

12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46

3 3

Page 10 of 36

3. Additional LV1000 Connections

There are factory-installed jumpers across terminals #8 and #9 (smoke detector), #10 and #11 (hydrogen detector)

and #12 and #13 (generator run). Remove the factory-installed jumpers before connecting to the detectors and/or

generator (if applicable).

INPUTS

LV1000 Connections Sensor Connections

Description

Wire Mark Terminal Terminal

Smoke

DI1 8

Varies by sensor used. See general

wiring guideine in Figure x.x

Smoke Detector Input

GND 9 Ground

Hydrogen

DI2 10 Hydrogen Detector Input

GND 11 Ground

Generator

DI3 12 Generator Run Input

GND 13 Ground

Anti-Theft

DI4 14 Anti-Theft Device

GND 15 Ground

Power Loss

Relay - A1 230VAC Power Loss Relay

Relay - A2 230VAC Power Loss Relay

OUTPUTS

LV1000 Connections

External

Connections

Description

Wire Mark Terminal Terminal

Humidiﬁer

NO1 34

Varies. See general wiring

guideine in Figure x.x

Humidiﬁer Output

C1 35 Common

HVAC Fail

NO2 36 Alarm Relay – HVAC Fail

C1 37 Common

HVAC Maintenance

NO3 38

Alarm Relay –

HVAC Maintenance

C1 39 Common

Anti-Theft

NO4 40 Alarm Relay – Anti-Theft

C2 41 Common

COMMUNICATIONS

LV1000 Connections

External

Connections

Description

Wire Mark Terminal Terminal

Fieldbus 1*

FB-1 (–) 42 1 Wall Unit Daisy Chain

FB-1 (+) 43 2 Wall Unit Daisy Chain

Fieldbus 2*

FB-2 (–) 44 – IPv6 SNMP Board

FB-2 (+) 45 + Ground

Ground FB-2 (–) 46 Shield Shield for Daisy Chain

* Polarity Sensitive

Page 11 of 36

4. Communication Wiring

Connect the communication wiring from the wall-mount units to the controller in the manner shown in Figures 1.5,

1.6 or 1.7. The communication wire should be 2-wire, 18 gauge shielded cable with drain. Any color can be used.

Be sure to match "+" and "-" symbols on controller terminal blocks to prewired unit control terminal block (see

Figures 1.9 and 1.10 on pages 15 and 16). Attach communication wire ﬁlters as shown in Figures 1.5, 1.6 or 1.7.

Filters go inside the unit or controller box; they are shown out of unit for identiﬁcation purposes only. Do not run

communication wiring in same conduit as supply wiring.

Route communication wiring and power supply wiring in

their own separate conduits.

FIGURE 1.6

Communication Wiring (Alternate Method)

Filter

Wall-Mount Unit

Controller

In addition to the "daisy chain" method of connecting the communication wiring shown in Figure 1.5, the wall-mount

units can also be connected in the manner shown in Figure 1.6. If connecting wall-units this way, be sure to place

the communication wire ﬁlters in the positions shown in Figure 1.6. See Figure 1.7 for more information on the

correct placement of the communication wire ﬁlters depending on the wiring method used.

LV1000 Controller

Wall-Mount Unit

FIGURE 1.5

Communication Wiring (Daisy Chain Method)

Filter

Page 12 of 36

FIGURE 1.7

Placement of Communication Wire Filters (Daisy Chain and Alternate Methods)

LV1000

* LV1000 can be in any position other than start and end

Place ﬁlter here

Daisy Chain Wiring (up to four units)

Alternate Wiring (up to four units)

Unit 1 Unit 2 Unit 3 Unit 4

Place ﬁlter here

Unit 1 Unit 2 Unit 3 Unit 4

LV1000*

Place ﬁlter here

NOTE: Line ﬁlters can be on either the unit or controller, whichever device is on the end of the chain. No matter

how many units there are, the two end devices will only have ONE communication cable, whereas the

center devices will all have TWO (as shown above). Filters go inside the unit or controller; shown out of

unit above for identiﬁcation only.

Page 13 of 36

1. Using the ﬁeld-provided shielded cable, make a small service loop after entering the controller and attach the provided

EMI ﬁlter at the intersection of the loop.

FIGURE 1.8

Communication Wiring: Termination at the Controller

2. Connect one wire to terminal #44 (NEGATIVE), the other wire to terminal #45 (POSITIVE) and the drain wire to

ground terminal #46.

The steps outlined on the following pages show how to connect the communication wiring using the daisy chain

method shown in Figure 1.5. If using the alternate method (as shown in Figure 1.6), the connections to the

controller and each wall-mount unit will be the same but the ﬁlters need to be placed in the positions shown in

Figure 1.7.

- + G

To Wall-Mount Unit 1

Control Board RS485

1 2 3 4 5 7 8 9 10 11 12 13 14 15 16 17 18 19

20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46

NOTE: The drain only gets grounded one time,

anywhere in the chain.

Page 14 of 36

FIGURE 1.9

Communication Wiring: Termination at the First Wall-Mount Unit

1. From the controller, extend the shielded cable through a separate conduit

and route to the provided terminal block next to the wall-mount control

board.

Note that the terminal block label is clearly marked “+” and “-”. These

connections are polarity-sensitive. Two-wire communication from control

board is prewired to terminal block. Make sure to match "+" and "-"

symbols on controller terminal block.

2. Connect the wires matching the terminal

designations (+/-) of the controller

terminals. Leave the drain wire loose.

3. Connect another cable in a similar

fashion (“daisy chain”) to route in

conduit to the second wall-mount unit.

Connect both drain wires with wire nut.

From LV1000

Controller

1 2 4 5 7 9 108 12 14 16 173 6

13 15

Unit 1 Terminal Block

From LV1000

Controller

1 2 4 5 7 9 108 12 14 16 173 6

13 15

Unit 1 Terminal Block

To Wall-Mount Unit 2

From LV1000

Controller

1 2 4 5 7 9 108 12 14 16 173 6

13 15

Unit 1 Terminal Block

Wall-Mount Unit 1

– +

Page 15 of 36

1. Route the cable from the ﬁrst wall-mount unit to the

terminal block of the second wall-mount unit. If this is

the last unit to be connected, make a small service loop

and attach EMI ﬁlter as shown.

FIGURE 1.10

Communication Wiring: Termination at Additional Wall-Mount Units

2. Connect the wires matching the terminal

designations (+/-) of the controller terminals.

Cap the loose drain with a wire nut or

electrical tape.

3. Continue daisy chaining units by connecting

"+" to "+", "-" to "-" and wire nutting drain

together until last unit which is capped with

a wire nut. Attach EMI ﬁlter as shown above

at last unit. Up to four wall-mount units can

be connected and controlled by one LV1000

controller.

From Wall-Mount

Unit 1

1 2 4 5 7 9 108 12 14 16 173 6

13 15

Unit 2 Terminal Block

Wall-Mount Unit 2

From Wall-Mount

Unit 1

1 2 4 5 7 9 108 12 14 16 173 6

13 15

Unit 2 Terminal Block

– +

Page 16 of 36

FIGURE 1.12

Controller Grounding Posts

A reliable earth ground must be connected in

addition to any grounding from conduit. Attach

earth ground to dedicated lugs on side of controller

box. Failing to ground the controller box properly

could result in damage to the equipment.

FIGURE 1.11

LV1000-100 Controller Supply Wiring

The controller requires a separate -48VDC power supply, an additional 5-amp DC breaker (ﬁeld supplied) and minimum 16

gauge supply wire.

-48VDC termination at controller: Bring the -48VDC power supply wires through conduit to the controller box. Land the

positive (+) 48VDC wire to terminal #1 and the negative (-) 48VDC wire to terminal #2.

NOTE: If the DC wiring is not terminated correctly on the speciﬁc polarity-indicated terminals of the

block, the controller will not activate and will not function. Verify polarity of connections and wait to

initialize controller until "system start up."

5. Supply Wiring

The LV1000 controller is powered by -48VDC from the shelter. A ﬁeld-supplied 5 amp DC circuit breaker is required.

Field-supplied supply wiring should be minimum 16 gauge, maximum 14 gauge (see Figure 1.11). A reliable

earth ground must be connected in addition to any grounding from conduit. Grounding posts are included with the

controller for this purpose; install as shown in Figure 1.12. Failing to ground the controller box properly could result

in damage to the equipment.

1 2 3 4 5 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 466

–

Page 17 of 36

TABLE 1.1

Terminal Block Index

TB#

Wire

Mark

Description

1 48+ 48VDC +Input

2 48– 48VDC – Input

3 - Ground

4 - 24VDC +

5 - 24VDC –

6 24+ 24VDC +

7 24– 24VDC –

8 DI1 Smoke Detector Input

9 GND Smoke Detector Common

10 DI2 Hydrogen Detector Input

11 GND Hydrogen Detector Common

12 DI3 Generator Run Input

13 GND Generator Run Common

14 DI4 Anti Theft Input

15 GND Anti Theft Common

16 - RESERVED FOR POWER LOSS INPUT

17 GND

RESERVED FOR POWER LOSS INPUT –

COMMON

18 B2 Humidity Sensor 1

19 GND Ground

20 B3 Humidity Sensor 2

21 GND Ground

22 B4 Humidity Sensor 3

23 GND Ground

TB#

Wire

Mark

Description

24 B6 Temperature Sensor 1

25 GND Ground

26 B7 Temperature Sensor 2

27 GND Ground

28 B8 Temperature Sensor 3

29 GND Ground

30 VDC+ Sensor Power Distribution

31 VDC+ Sensor Power Distribution

32 VDC+ Sensor Power Distribution

33 VDC+ Sensor Power Distribution

34 NO1 Humidiﬁer Output Relay

35 C1 Common

36 NO2 HVAC Fail

37 C1 Common

38 NO3 HVAC Maintenance

39 C1 Common

40 NO4 HVAC Anti Theft

41 C2 Common

42 FB1R- RS485 RX- / TX- (Fieldbus 1)

43 FB1R+ RS485 RX+ / TX+ (Fieldbus 1)

44 FB2R- RS485 RX- / TX- (Fieldbus 2)

45 FB2R+ RS485 RX+ / TX+ (Fieldbus 2)

46 - Ground Communication Shield

Page 18 of 36

FIGURE 1.13

LV1000 Wiring Diagram

Page 19 of 36

SYSTEM START-UP

Before the Bard Free Cooling Unit system can be set up

for operation, each wall-mount unit must have already

been installed, given a unique address and had a run

test performed (see FUSION-TEC manual 2100-670).

After those procedures have been completed with each

unit, the system start-up can proceed.

The LV1000 controller will be used to set up the Bard

Free Cooling Unit system.

LV1000 Controller

The microprocessor control used in the FUSION-

TEC wall-mount air conditioners allows for complete

control and monitoring through the use of the LV1000

controller.

The menu driven interface provides users the ability

to scroll through two menu levels: Quick Menu and

Main Menu. The menus permit the user to easily view,

control and conﬁgure the wall-mount unit system.

The controller is completely programmed at the factory;

the default setpoints and their ranges are easily

viewed and adjusted from the controller display. The

program and operating parameters are permanently

stored on FLASH-MEMORY in case of power failure.

The controller is designed to manage temperature and

humidity levels to a user-deﬁned setpoint via control

output signals to the wall-mount air conditioning

system.

ALARM KEY

Allows viewing of active alarms

Silences audible alarms

Resets active alarms

MENU KEY

Allows entry to Main Menu

ESCAPE KEY

Returns to previous menu level

Cancels a changed entry

UP KEY

Steps to next screen in the display

Changes (increases) the value of a

modiﬁable ﬁeld

ENTER KEY

Accepts current value of a

modiﬁable ﬁeld

Advances cursor

DOWN KEY

Steps back to previous screen in

the display menu

Changes (decreases) the value of

a modiﬁable ﬁeld

DOWN KEY

ALARM KEY

MENU KEY

UP KEY

ENTER KEY

ESCAPE KEY

FIGURE 1.14

LV1000 Controller Display and Interface

TEC-EYE

interface key functions are the same as above.

The TEC-EYE

diagnostic tool is shipped inside the

controller. See FUSION-TEC manual 2100-670 for

more information on using the TEC-EYE

LV1000 Menu Structure

Quick Menu

Data Log

Unit Information

Setpoints

Main Menu

System Conﬁguration

Advanced System Conﬁguration

I/O Conﬁguration

On/Off

Alarm Logs

Settings

Logout

In addition to the menu structure above, there are also

Status and Alarm screens.

Interface Acronyms

MAT – Mixed air temperature

RAT – Return air temperature

SAT – Supply air temperature

OAT – Outdoor air temperature

OAH – Outdoor air humidity

Blower – Indoor Blower Status

Damper – Free cooling damper position status

Page 20 of 36

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Bard LV1000-100 Installation Support Materials

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