Bosch IDS 2.0 Manual de usuario

Bosch IDS 2.0 Split System Heat Pump

Condensing Units Up to 20.5 SEER

2-3-4-5 Ton Capacity

R410A

Service Manual

2 |Bosch IDS 2.0 Service Manual

07.2021 |Bosch Thermotechnology Corp.

Data subject to change

Service Manual Bosch IDS 2.0 | 3

Bosch Thermotechnology Corp. | 07.2021 Data subject to change

Table of Contents

1 Key to Symbols and Safety Instructions 4

1.1 Key to Symbols 4

1.2 Safety 4

2 Nomenclature 6

2.1 Bosch IDS BVA2.0 6

2.2 Bosch IDS BOVA2.0 7

3 Models & Part Numbers 8

4 Dimensions 9

4.1 Bosch IDS BVA2.0 9

4.2 Bosch IDS BOVA2.0 10

5 AHRI 210/240 Performance Data 11

5.1 Bosch IDS BOVA2.0 11

6 Product Speciﬁcations 12

6.1 Bosch IDS BVA2.0 12

6.2 Bosch IDS BOVA2.0 13

7 Extended Performance Data 14

7.1 Outdoor Unit (BOVA) + Indoor Unit (BVA) – Cooling Mode 14

7.2 Outdoor Unit (BOVA) + Indoor Unit (BVA) – Heating Mode 22

8 Layout of Functional Components 26

8.1 3 Ton 26

8.2 5 Ton 27

9 Refrigerant Flow Diagrams 28

9.1 Cooling Operation 28

9.2 Heating Operation 29

10 Control 31

10.1 Crankcase Heater Control 31

10.2 Other Operations 31

10.2.1 Defrost Operation 31

10.2.2 Oil Return Operation 31

10.2.2 Force Mode Operation 32

10.2.3 Indoor Fan Motor Function 32

11 Field Settings 33

11.1 Initial Unit Preparation and Installation Checklist 33

11.2 Initial Start-up Checklist 33

11.3 Dip Switch Settings 33

11.3.1 Outdoor Unit Dip Switch Settings 33

11.3.2 When to Change Outdoor Unit Dip Switch Settings 34

11.3.3 Indoor Unit Dip Switch Settings 35

11.3.4 When to Change Indoor Unit Dipswitch Settings 35

11.4 Check Point Values 36

12 Diagnosis and Troubleshooting 37

12.1 Control Board Component Layout 37

12.1.1 BOVA36 Outdoor Unit Control Board 37

12.1.2 BOVA60 Outdoor Unit Control Board 38

12.1.3 BVA2.0 Indoor Unit Control Board 39

12.2 Fault Code and Limited Condition Descriptions 40

12.3 Fault Codes and Limited Conditions Troubleshooting 42

12.3.1 C3 Troubleshooting 42

12.3.2 E4 Troubleshooting 43

12.3.3 E5 Troubleshooting 44

12.3.4 E6 Troubleshooting 45

12.3.5 E7 Troubleshooting 46

12.3.6 E9 Troubleshooting 47

12.3.7 H0 Troubleshooting 48

12.3.8 H8 Troubleshooting 49

12.3.9 P0 Troubleshooting 50

12.3.10 P1/F1 Troubleshooting 51

12.3.11 P2/H5 Troubleshooting 52

12.3.12 P3 Troubleshooting 53

12.3.13 P4 Troubleshooting 54

12.3.14 P5 Troubleshooting 55

12.3.15 P8 Troubleshooting 56

12.3.16 PH Troubleshooting 57

12.3.17 LO-L9 Troubleshooting 58

12.3.18 AtL Troubleshooting 59

12.4 Situational Troubleshooting 60

12.4.1 LED Display is Blank 60

12.4.2 System Does Not Start 61

12.4.3 Poor Capacity 62

12.4.4 Poor Dehumidiﬁcation 63

13 Advanced System Check 64

13.1 Abnormal Pressure 64

13.2 Pressure Transducer (PT) 65

13.3 Electronic Expansion Valve (EEV) 66

13.4 Temperature Sensor (T3,T4,T5,Th,T3L,Tf) 67

13.5 High Pressure Switch (HPS) 68

13.6 Outdoor Fan Motor 69

13.7 Indoor Blower Motor 70

13.8 Compressor 71

13.9 System Charge 72

13.10 Outdoor Board Fuse 73

13.11 Indoor Board Fuse 74

Appendix 75

Appendix 1 Outdoor Unit Control Board 75

Appendix 2 Indoor Unit Control Board 77

4 |Bosch IDS 2.0 Service Manual

07.2021 |Bosch Thermotechnology Corp.

Data subject to change

1 Key to Symbols and Safety Instructions

1.1 Key to Symbols

Warnings

Warnings in this document are identiﬁed 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 deﬁned 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.

1.2 Safety

Please read before proceeding

NOTICE:MAINTENANCE

Please refer to your Installation, Operation and Maintenance

Manual for details on maintenance requirements.

WARNING:ELECTRICALHAZARD 380 VOLTS DC

Failure to follow this warning could result in property

damage, severe personal injury, or death.

WAIT THREE (3) MINUTES after disconnecting power

prior to touching electrical components as they may hold a

dangerous charge of 380 VDC,then verify DC Voltage is less

than 42VDC at inverter TEST POINTS P-N.

NOTICE:

This document is customer property and is to remain with

this unit. Please return to service information pack upon

completion of work.

These instructions do not cover all variations in systems

or provide for every possible contingency to be met in

connection with the installation.

Should further information be desired or should particular

problems arise which are not covered sufficiently for the

purchaser’s purposes, the matter should be referred to your

installing dealer or local distributor.

The manufacturer recommends installing only approved

matched indoor and outdoor systems. All of the manufacturer’s split

systems are AHRI rated only with TXV indoor systems. Some of the

beneﬁts of installing approved matched indoor and outdoor split

systems are maximum eﬃciency, optimum performance and the best

overall system reliability.

This document contains a wiring diagram and service information.

This is customer property and is to remain with this unit. Please return to

service information pack upon completion of work.

WARNING:

This information is intended for use by individuals

possessing adequate backgrounds of electrical and

mechanical experience. Any attempt to repair a central air

conditioning product may result in personal injury and/or

property damage.

Service Manual Bosch IDS 2.0 | 5

Bosch Thermotechnology Corp. | 07.2021 Data subject to change

WARNING:HAZARDOUSVOLTAGE

Failure to follow this warning could result in property

damage, severe personal injury, or death.

Disconnect all electric power, Including remote disconnects

before servicing. Follow proper lockout/tagout procedures

to ensure the power cannot be inadvertently energized.

WARNING:REFRIGERANTOIL

Any attempt to repair a central air conditioning product may

result in property damage, severe personal injury, or death.

These units use R-410A refrigerant which operates at

50 to 70% higher pressures than R-22. Use only R-410A

approved service equipment. Refrigerant cylinders are

painted a “Rose” color to indicate the type of refrigerant

and may contain a “dip” tube to allow for charging of liquid

refrigerant into the system. All R-410A systems with variable

speed compressors use a POE oil (VG74 or equivalent )

that readily absorbs moisture from the atmosphere. To

limit this ‘hygroscopic“ action, the system should remain

sealed whenever possible. If a system has been open to

the atmosphere for more than 4 hours, the compressor oil

must be replaced. Never break a vacuum with air and always

change the driers when opening the system for component

replacement.

WARNING:HOTSURFACE

May cause minor to severe burning. Failure to follow this

Caution could result in property damage or personal injury.

Do not touch top of compressor.

CAUTION:CONTAINSREFRIGERANT

Failure to follow proper procedures can result in personal

illness or injury or severe equipment damage.System

contains oil and refrigerant under high pressure. Recover

refrigerant to relieve pressure before opening system.

NOTICE:INDOORUNIT REQUIRED

The indoor units must be matched with TXV. The model of

TXV can be changed according to the system capacity.

CAUTION:GROUNDINGREQUIRED

Failure to inspect or use proper service tools may result

in equipment damage or personal injury. Reconnect all

grounding devices. All parts of this product that are capable

of conducting electrical current are grounded. If grounding

wires, screws, straps, clips, nuts, or washers used to

complete a path to ground are removed for service, they

must be returned to their original position and properly

fastened.

WARNING:SERVICEVALVES

Failure to follow this warning will result in abrupt release

of system charge and may result in personal injury and/

or property damage. Extreme caution should be exercised

when opening the service valves. Turn valve stem

counterclockwise only until the stem contacts the rolled

edge.

WARNING:BRAZINGREQUIRED

Failure to inspect lines or use proper service tools may result

in equipment damage or personal injury. If using existing

refrigerant lines make certain that all joints are brazed, not

soldered.

WARNING:HIGHCURRENT LEAKAGE

Failure to follow this warning could result in property

damage, severe personal injury, or death.

Grounding is essential before connecting electrical supply.

WARNING:

This product can expose you to chemicals including Lead

and Lead components, which are known to the State

of California to cause cancer and birth defects or other

reproductive harm. For more information go to www.

P65Warnings.ca.gov.

6 |Bosch IDS 2.0 Service Manual

07.2021 |Bosch Thermotechnology Corp.

Data subject to change

2 Nomenclature

2.1 Bosch IDS BVA2.0

Figure 1

B V A – 24 W N1 – M 20

Efficiency

20: 20 SEER

Power Supply

M: 208/230V 1Ph, 60Hz

Refrigerant

N1: R410A

Function Type

W: Wired Controller

Nominal Capacity

24: 24×1,000BTU/H

Series

A: A Series

Unit Type

V: Vertical Air Handler

Bosch

36: 36×1,000BTU/H

48: 48×1,000BTU/H

60: 60×1,000BTU/H

Service Manual Bosch IDS 2.0 | 7

Bosch Thermotechnology Corp. | 07.2021 Data subject to change

2.2 Bosch IDS BOVA2.0

Figure 2

B OV A – 36 H N1 – M 20 G

Compressor Brand

G: GMCC

Efficiency

20: 20 SEER

Power Supply

M: 208/230V 1Ph, 60Hz

Refrigerant

N1: R410A

Function Type

C: Condenser H: Heat Pump

Nominal Capacity

36 36×1,000BTU/H

Series

A: A Series

Unit Type

OV: Discharge Type

Bosch

D-DC Inverter

60 60×1,000BTU/H

8 |Bosch IDS 2.0 Service Manual

07.2021 |Bosch Thermotechnology Corp.

Data subject to change

3 Models & Part Numbers

BoschPartNumber Bosch ModelNumber

8733952437 BOVA-36HDN1-M20G

8733952438 BOVA-60HDN1-M20G

8733952439 BVA-24WN1-M20

8733952440 BVA-36WN1-M20

8733952441 BVA-48WN1-M20

8733952442 BVA-60WN1-M20

Table 1

Service Manual Bosch IDS 2.0 | 9

Bosch Thermotechnology Corp. | 07.2021 Data subject to change

4 Dimensions

4.1 Bosch IDS BVA2.0

Figure 3

UPFLOW UNIT SHOWN:

THE UNIT CAN BE POSITIONED FOR BOTTOM AIR RETURN IN THE UPFLOW POSITION, LEFT AND

RIGHT AIR RETURN IN THE HORIZONTAL POSITION, OR TOP AIR RETURN IN DOWNFLOW POSITION.

516

25” CLEARANCE IS REQUIRED IN THE FRONT OF

THE UNIT FOR FILTER AND COIL MAINTENANCE.

SUPPLY AIR

FLANGES ARE PROVIDED

FOR FIELD INSTALLATION

ELECTRICAL CONNECTIONS

THROUGH TOP OR EITHER SIDE

LOW VOLTAGE CONNECTION

CIRCUIT BREAKER SWITCH

(FOR ELECTRIC HEATER ONLY)

VAPOR LINE CONNECTION COPPER TUBE (SWEAT)

LIQUID LINE CONNECTION COPPER TUBE (SWEAT)

AUXILIARY DRAIN CONNECTION 3/4"

FEMALE PIPE THREAD (NPT)

AUXILIARY DRAIN CONNECTION 3/4"

FEMALE PIPE THREAD (NPT)

PRIMARY DRAIN CONNECTION 3/4"

FEMALE PIPE THREAD (NPT)

HIGH VOLTAGE CONNECTION 1-

DIA. KNOCK OUTS

ModelSize DimensionsInch [mm]

UnitHeight"H" UnitWidth"W" UnitLength "D" SupplyDuct "A" LiquidLine /VaporLine

24 46-1/2 [1180] 19-5/8 [500] 21-5/8 [550] 18 [456] 3/8 / 3/4 [9.5]/[19]

36 46-1/2 [1180] 19-5/8 [500] 21-5/8 [550] 18 [456] 3/8 / 3/4 [9.5]/[19]

48 54-1/2 [1385] 22 [560] 24 [610] 19-1/2 [496] 3/8 / 7/8 [9.5]/[22]

60 54-1/2 [1385] 22 [560] 24 [610] 19-1/2 [496] 3/8 / 7/8 [9.5]/[22]

Table 2

10 |Bosch IDS 2.0 Service Manual

07.2021 |Bosch Thermotechnology Corp.

Data subject to change

4.2 Bosch IDS BOVA2.0

Figure 4

NOTE: APPEARANCE OF UNIT MAY VARY

AIR DISCHARGE: ALLOW 60"

MINIMUM CLEARANCE.

ALLOW A MINIMUM OF

12" CLEARANCE ON ONE

SIDE OF ACCESS PANEL

TO A WALL AND A

MINIMUM OF 24" ON THE

ADJACENT SIDE OF

ACCESS PANEL

AIR INLET LOUVERED

PANELS: ALLOW 12"

MINIMUM CLEARANCE

Model Size Dimensions (Inches)

Heat Pump "H" in. [mm] "W" in. [mm] "L" in. [mm]

BOVA 36 24-15/16 [633] 29-1/8 [740] 29-1/8 [740]

BOVA 60 33-3/16 [843] 29-1/8 [740] 29-1/8 [740]

Table 3

Tabla de contenidos

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