Bard 8620-343 Betriebsanleitung

Page 1 of 8

Bard Manufacturing Company, Inc.

Bryan, Ohio 43506

www.bardhvac.com

Manual: 7960-912

Supersedes: NEW

Date: 6-23-21

8620-343 & 8620-344

W42-72AC/42-60HC UV-C LED Field Kits

SUPPLEMENTAL INSTRUCTIONS

Exposed moving parts.

Disconnect all electrical power before

servicing.

Failure to do so can result in severe injury

or amputation.

!WARNING

Electrical shock hazard.

Disconnect the remote electric power

supply or supplies before servicing.

Failure to do so can result in serious injury

or death.

!WARNING

UV-C exposure can cause burns to skin and

damage eyes.

Ensure proper safety precautions are taken

during installation.

A trained, experienced technician must

install the UV-C eld kit.

!WARNING

Sharp metallic edges.

Take care and wear appropriate protective

devices to avoid accidental contact with

sharp edges.

Failure to do so can result in personal injury.

!CAUTION

UV radiation hazard.

Use only with shielding in place.

Protect eyes and skin from

exposure to UV light.

!CAUTION

Ultraviolet band C (UV-C) energy may cause

damage to non-metallic components except

for UV-rated and HVAC-style drain pans.

Select mounting locations that prevent

exposure to vulnerable components. If

mounting locations are limited, protect

components with UV-resistant material

such as aluminum foil, aluminum duct tape,

metallic shields, etc.

!CAUTION

Manual 7960-912

Page 2 of 8

Personal Protective Equipment (PPE)

UV radiation is absorbed by clothing, plastic or glass.

Once absorbed, the UV radiation is no longer active.

Wear UV goggles or face shield. Cover any exposed skin

with coats, gloves, etc.

UV-C band light spectrum is not visible to the eye.

NOTE: The health aspects associated with the use of

this product and its ability to aid in disinfection

of environmental air have not been investigated

by UL.

NOTE: Color shift or chalking may occur without

affecting structural properties.

Product Specifications

Model

Olympia UV-C Light F15T5-15W-UVC-DL

Electrical Specs

Input Voltage 120-277VAC

Power Consumption 15W

Frequency 50/60Hz

Dimensional Specs

Unit Dimensions 15-1/8" L x 3/4" H x 1" D

Weight 1 lb

Performance

Irradiance 170µW/cm2

UL Listing and Certications

Compliance and

Certications

UL 1598

CSA C22.2#250.0

UL 8750

UL 2043

RoHS Directive

“UV-C LED Light Bar Installed” Label 7961-622-0375

is located near unit serial plate

MIS-4309

MAGNETIC CLIPS

3/4"

151

10"

(REF)

Dimensions

Kit Voltage Wall-Mount Models

8620-343 460V W42AC-72AC

W42HC-60HC

8620-344 230V

Overview

The UV-C eld-installed light kits utilize UV-C LED

lighting technology to sterilize and improve overall air

quality within an occupied space. UV-C exposure is proven

to damage the DNA of microorganisms and render them

inactive aiding in preventing the spread of diseases.

These instructions are applicable to the following models:

Manual 7960-912

Page 3 of 8

Parts List

WARNING LABEL

SEXP-1059

(ONLY IN KIT

8620-343)

Reference

Letter Bard P/N Description Qty.

A 910-2181 15" UV-C Assembly 1

B 910-2182 Relay Assembly 1

C 910-2183 Red Indicator Light Assembly 1

D 910-2184 Door Panel Switch Assembly (Interlock Safety Device) 1

E 113-908 Bracket (WH/Q-TEC Q**H/A4 Units) 1

F 113-909 Bracket (I-TEC Units) 1

G 113-913 Bracket (Q-TEC Units) 1

H 7961-963 UV-C Warning Label 1

I Per Model Supplemental Instructions Manuals and Wire Diagrams 4/2

J 400-0467 Parts Bag – Six (6) Screws, Three (3) Zip Ties, Six (6) Pieces of Foil Tape,

Bushing, UV-C Warning Label and “UV-C LED Light Bar Installed” Label 1

K 910-2191 460V Stepdown Transformer Assembly (820-343 Kit Only) 1

L 113-932 Transformer Enclosure (820-343 Kit Only) 1

Manual 7960-912

Page 4 of 8

Installation

Field-supplied tools needed:

• Appropriate personal protection equipment,

including gloves and safety glasses

• Electrical meter to verify power status

• Drill

• Phillips head screwdriver

• 5/16" nut driver

Installation Procedure

1. Disconnect all power to HVACR unit. Use the meter

to verify that power has been disconnected.

2. Remove outer and inner control panel covers.

3. Remove blower housing cover (large upper panel).

4. Attach two (2) magnetic clips to the UV light

assembly (see Dimensions drawing on page 2).

Install UV light assembly onto blower partition on the

inside of the front ange as shown in Figure 1. UV

light should be directed over blower outlets, facing

evaporator coil.

FIGURE 1

Install UV Light Assembly and Route Wires

6. Route wires into control panel through upper right

bushing in blower partition, then into control panel

as shown in Figure 1.

7. Kit 8620-343 (460V-3PH Units) Only: Install

460V stepdown transformer on blower partition and

route wires through blower partition as shown in

Figure 1.

8. Connect red wire from UV light assembly to

“NO” contact on the relay assembly (see Field

Installation Diagram on page 8).

9. Determine unit supply voltage—located on the

unit serial plate. Connect black wire from UV light

assembly to:

(230V-1PH) − “L2”

(230V-3PH) − “L3”

(460V-3PH) − Black Wire-Transformer

See Field Installation Diagram on page 8.

10.

Connect red wire from “COM” on relay assembly to:

(230V-1PH) − “L1”

(230V-3PH) − “L1”

(460V-3PH) − White Wire-Transformer

See Field Installation Diagram on page 8.

MIS-4311

UV LIGHT ASSEMBLY

MAGNETICALLY ATTACHED

FEED WIRE

THROUGH UPPER

RIGHT BUSHING.

THEN INTO CONTROL

PANEL

460 VOLT - 3 PHASE

(KIT 8620-343)

INSTALL TRANSFORMER

AND COVER ON BLOWER

PARTITION

Manual 7960-912

Page 5 of 8

11. Connect short orange wire from relay assembly to

indicator light assembly.

12. Connect short black/white wire from relay assembly

to indicator light.

13. Control panel assemblies vary due to available

control options. Find unused space on control

panel and install relay and indicator light

assemblies in control panel using self-drilling

screws provided (see Figure 2).

14. Install door panel switch into panel switch bracket

113-908 (see Figure 3). Door panel switch acts as

interlock safety device to disable UV light source

upon removal of blower access panel preventing UV

exposure.

FIGURE 3

Install Panel Switch Assembly

MIS-4313

DOOR PANEL

SWITCH ASSEMBLY

BUSHING

ROUTE WIRES THROUGH

BLOWER ASSEMBLY

SCREW

MIS-4313

FIGURE 2

Install Relay and Indicator Light Assemblies

RELAY LOCATIONS INTHIS AREA

FIND AVAILABLE MOUNTING

LIGHT ASSEMBLY MIS-4312

MIS-4312

Manual 7960-912

Page 6 of 8

15. Remove right screw from blower assembly (see

Figure 3). Do NOT discard screw as it will be re-

installed.

16.

Install panel switch bracket directly behind blower

mounting angle where screw was removed (see

Figure 3). Align bottom hole in bracket with hole

where screw was removed in Step 13.

17. Re-install screw to secure blower assembly and

panel switch assembly.

18. Remove left lter and lter slide, then route long

orange wire from relay assembly (up to door panel

switch) and connect to “NO”. Route wire from

door panel switch (down to control panel) through

upper right control panel bushing, through lter

partition housing and blower partition as shown in

Figure 4.

19. Seat spade end of orange wire from panel switch

assembly under the “G” terminal on low voltage

strip assembly, then seat spade end of black/white

wire from coil on relay assembly under the “C”

terminal on low voltage strip (see Figure 5).

FIGURE 4

Panel Switch Wire Routing

MIS-4314

ROUTE WIRES THROUGH BLOWER PARTITIONBUSHING

FILTER PARTITION

FILTER SLIDE

BUSHING

UPPER CONTROL

PANEL BUSHING

Manual 7960-912

Page 7 of 8

FIGURE 5

Low Voltage Terminal Strip Connection Points

20. Wires can be dressed with provided zip ties or

by tucking into wire channels. Ensure wires are

secured away from sharp edges and moving parts

to prevent damage.

Cover wires and plastic components within a

distance of 6" of the UV light with foil tape to

create a protective barrier from the UV light.

21. UV light will not function without blower panel

installed because of panel switch (interlock safety

switch). Do NOT press door panel switch with

blower panel removed as the UV source could

become active and create UV exposure.

Replace blower access cover (large upper panel).

Adhere UV-C Warning Label 7961-963 to blower

access panel.

Adhere “UV-C LED Light Bar Installed” Label

7961-622-0375 to unit serial plate. (Serial plate

is silver and located on the exterior of the unit

cabinet or on a service panel with “5253-039-

XXXX” printed in the lower right corner.)

22. Now that blower panel is installed, UV light

operation can be safely veried. Restore power

to unit and provide a “G” call signal from the

thermostat. Operation can be conrmed if indicator

light installed in Step 8 is ON in control panel.

Do NOT attempt to look at UV source to conrm

operation!

MIS-4315

BLACK/WHITE ORANGE LOW VOLTAGE

TERMINAL STRIP

MIS-4315

23. Disconnect power to unit. Replace all inner and

outer panel covers.

24. Restore power to unit.

UV radiation hazard.

Use only with shielding in place.

Protect eyes and skin from

exposure to UV light.

!CAUTION

Manual 7960-912

Page 8 of 8

FIGURE 6

Field Installation Diagram

COM

NCNO

LowVoltage

TerminalStrip

COM

NCNO

LowVoltage

TerminalStrip

L2L1

480V

COM

230v

Transformer

COM

LowVoltage

TerminalStrip

L1 Compressor

Contactor

ORANGE

UV-LIGHT

RELAY

INDICATOR

LIGHT

BLACK/WHITE

ORANGE

RED

BLACK

RED

ORANGE

BLACK

WHITE

COM

DOOR PANELSWITCH

UNIT SUPPLY VOLTAGE

460 VOLT - 3 PHASE

230 VOLT - 3 PHASE

UNIT SUPPLY VOLTAGE

230 VOLT - 1 PHASE

CONTACTOR

ORANGE

WHITE

Contactor

COM

WHITE

BLACK

ORANGE

RED

BLACK

RED

ORANGE

BLACK/WHITE

Compressor

LIGHT

RELAY

DOOR PANELSWITCH

UV-LIGHT

ORANGE

COM

WHITE

BLACK

ORANGE

RED

WHITE

BLACK

ORANGE

BLACK/WHITE

INDICATOR

LIGHT

RELAY

DOOR PANELSWITCH

UV-LIGHT

ORANGE

4214-102

BLACK/RED

BLACK

BLK/RED

BLACK

INDICATOR COMPRESSOR

RED

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