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Technical Instructions

IDS BOVA E-Box Replacement - BTC 761702110 B (09.2022)

1     Key to Symbols and Safety Instructions

1.1     Key to Symbols

Warnings

      Warnings in this document are identifi ed by a 

warning triangle printed against a grey background.
Keywords at the start of a warning indicate the type and seriousness  
of the ensuing risk if measures to prevent the risk are not taken.

The following keywords are defi ned and can be used in this document:

 

DANGER

 indicates a hazardous situation which, if not avoided, will result 

in death or serious injury.

 

WARNING

 indicates a hazardous situation which, if not avoided, could 

result in death or serious injury.

 

CAUTION

 

indicates a hazardous situation which, if not avoided, could 

result in minor to moderate injury.

 

NOTICE

 is used to address practices not related to personal injury.

Important information

 

   This symbol indicates important information where

there is no risk to people or property.

 

2     Outdoor Unit Model Numbers

Bosch Part 

Number

Bosch Model Number

Description

7739832068

BOVA-36HDN1-M18M

36kBTU, Inverter Condensing Unit

Table 1

      

ODU Model & Part Numbers

3     Components

The following components are included in the kit:

Figure 1

1

3

4

5

6

2

     Components

 

   Updated wiring diagram included in kit. Replace the old wiring diagram 

on the back of the access panel.

Item

Description

Qty

1

3T Control Board + E-box

1

2

Replacement Manual

1

3

3T Bottom Access Panel

1

4

Screws

8

5

Zip Ties

8

6

Wiring Diagram

1

Table 2

     

3T E-Box Kit Components

Содержание IDS BOVA 1.0

Страница 1: ...Technical Instructions E Box Replacement Bosch IDS BOVA 1 0 3 Ton BTC 761702110 B 09 2022 ...

Страница 2: ...2 Technical Instructions IDS BOVA E Box Replacement BTC 761702110 B 09 2022 ...

Страница 3: ...tructions IDS BOVA E Box Replacement BTC 761702110 B 09 2022 Table of Contents 1 Key to Symbols and Safety Instructions 4 1 1 Key to Symbols 4 2 Outdoor Unit Model Numbers 4 3 Components 4 4 Replacement Instructions 5 ...

Страница 4: ...serious injury CAUTION indicates a hazardous situation which if not avoided could result in minor to moderate injury NOTICEis used to address practices not related to personal injury Important information This symbol indicates important information where there is no risk to people or property 2 Outdoor Unit Model Numbers BoschPart Number BoschModelNumber Description 7739832068 BOVA 36HDN1 M18M 36k...

Страница 5: ...e main board to avoid static electricity damage Figure 2 Control Board Access 3 Cut the 6 zip ties to unbundle the control board wires 4 Cut the 2 zip ties around gaskets at the bottom of the E box 5 Remove all of the component wires from the Control Board Take a picture before wire removal for dip switch and wiring reference The wires will need to be connected to the new control board once instal...

Страница 6: ... Box 8 Unscrew the 7 screws to remove E box Slide E box up to remove Keep all screws for reuse Refer to Figure 6 Remove E box by first lifting up and then out Figure 6 Slide upward E Box Removal 9 Unscrew 2 screws red on the panel and 2 screws blue mounting the true suction service port Remove Bottom Access Panel Keep screws to re install later See Figure 7 Figure 7 true suction service port T4 Rem...

Страница 7: ...ving NOTICE PRODUCTDAMAGE Potential risk for fan motor blades to become damaged if reactor box and connected white wiring harness are not removed from unit 12 Unit should look like should look like Figure 9 Figure 9 E box Bottom Access Panel Reactor Box Removed 13 Slide in the new E box in from the top and secure with screws saved in Step 8 Note The sides of the E box should line up and slide into...

Страница 8: ...asket hole Feed the wires through the hole one by one Route the CCH wire orange wire through the separate slot on the E box Refer to figure 12 Figure 12 All other component wires Place orange CCH wire through slot Routing Wires to Front of Board 16 Mount new Bottom Access Panel on with 4 screws and secure the true suction service port Careful when sliding the true suction service port into the slot...

Страница 9: ...ure 15 Fasten all wires and tighten all screws BLUE BLACK RED Note Compressor color labels on PCB are different than the actual color of the compressor wires Note There is no PEV CN17 does not need to be connected Note Blue Wire 10k Resistance at CN7 does not need to be connected To Thermostat Air Handler 3T Control Board with All Wires Connected ...

Страница 10: ...d be 22 16 gauge Refer to unit wiring diagram for more information 22 Make sure all wires are secured and not interfering with control board Feed zip ties through holes in the E box to secure wiring Refer to Figure 18 Figure 17 23 Feed L1 L2 and GND through the Bottom Access Panel 24 Connect L1 and L2 to high voltage terminal block Refer to Figure 19 Figure 18 High Voltage Terminal Block 25 Check ...

Страница 11: ... 11 Technical Instructions IDS BOVA E Box Replacement BTC 761702110 B 09 2022 ...

Страница 12: ... 65 Grove St Watertown MA 02472 Tel 866 642 3198 Fax 603 965 7581 www bosch thermotechnology us BTC 761702110 B 09 2022 Bosch Thermotechnology Corp reserves the right to make changes without notice due to continuing engineering and technological advances ...

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