Bosch 7736500683 Tronic 3000 US12 Electric Point-Of-Use Tankless Water Heater Specification


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Bosch 7736500683 Tronic 3000 US12 Electric Point-Of-Use Tankless Water Heater Specification | Manualzz

TRONIC

US3 / US6 / US7 / US9

Electric Tankless Water Heaters

Engineering

Submittal

Sheet

Dimensions

6½"

½"

4" 4¼"

12¾"

3"

Engineering Specifi cations

Water heater shall be a Model TRONIC US3, US6, US7, or US9.

Installation shall consist of ___Model TRONIC US9 electric tankless water heaters as distributed by Bosch

Thermotechnology Corp. with a thermal effi ciency of 99%.

Supply voltage shall be 240VAC (208VAC) with a maximum output of 9.5kW in high stage and 4.75kW in low stage.

Minimum fl ow rate shall be 0.75gpm

Installation shall consist of ___Model TRONIC US6 electric tankless water heaters as distributed by Bosch

Thermotechnology Corp. with a thermal effi ciency of 99%.

Supply voltage shall be 277VAC with a maximum output of

6.0kW. Minimum fl ow rate shall be 0.5gpm

Installation shall consist of ___Model TRONIC US3 electric tankless water heaters as distributed by Bosch

Thermotechnology Corp. with a thermal effi ciency of 99%.

Supply voltage shall be 110-120VAC with a maximum output of

3.4kW in high stage and 3.0kW in low stage. Minimum fl ow rate shall be 0.5gpm

Installation shall consist of ___Model TRONIC US7 electric tankless water heaters as distributed by Bosch

Thermotechnology Corp. with a thermal effi ciency of 99%.

Supply voltage shall be 240VAC (208VAC) with a maximum output of 7.2kW in high stage and 5.4kW in low stage.

Minimum fl ow rate shall be 0.75gpm

The tankless water heaters shall be UL listed for the US and

Canada and UPC certifi ed.

CONSTRUCTION

Water heater shall be electricity powered with compact tankless design. Primary heat exchanger shall be made from solid copper tubing, elements shall be copper-sheathed and unit shall be protected by a tough plastic housing. Heat exchanger shall be rated for maximum working pressure not less than 150 psig. Water heater shall be equipped with a fl ow switch. Water connections for inlet and outlet shall be ½” NPT male.

The internal controls shall contain a power selector and a high temperature safety cut-out with manual reset.

1 of 4

Bosch Thermotechnology Corp. reserves the right to make changes without notice due to continuing engineering and technological advances | BTC 721008304 A | 12.2011

Bosch Thermotechnology Corporation

Londonderry, NH • Ft. Lauderdale, FL • Irvine, CA

Tel: 1-800-798-8161 Fax: 1-603-965-7581 www.bosch-climate.us

Engineering Submittal Sheet

TRONIC US3 / US6 / US7 / US9

Electric Tankless Water Heaters

Engineering Specifi cations

INSTALLATION

All aspects of installation of Water Heater Plant shall be in strict accordance with manufacturer’s instructions. Materials shall conform to all manufacturer’s recommendations including electrical connections and wiring.

Water heater piping shall be fi eld constructed of materials as specifi ed. Water heater shall be installed with individually isolating shutoff valves for service and maintenance.

Unit shall be installed in close vicinity of point of use.

Technical data

Description

Part number

Voltage supply

Minimum circuit breaker size

Maximum output

Maximum output on low kW setting ² )

Minimum recommended wire size

Thermal effi ciency

Water pressure range

Activation fl ow rate

Maximum inlet water temperature ¹ )

Inlet / Outlet connections

Weight (without water)

Certifi cations

AWG

% psi

GPM

° F

Unit

V AC

A kW kW

Inch lbs

¹ ) Do not use heater for water temperature boosting applications

² ) High/Low kw settings possible within some models

US3

7-736-500-685

110-120

30

3.4 -3.0

10

99

10 - 150

0.5

≤ 86

½” NPT

5

OPERATION

The appliance shall have a high setting with two elements energized and an output and a low setting with one element energized.

WARRANTY

The heating element shall carry a 5-year warranty against leakage. All other parts and components shall carry a 1 year warranty against defects in materials or workmanship.

US6

7-736-500-686

277

25

6.0

3.0

10

99

10 - 150

0.5

≤ 86

½” NPT

5

US7

7-736-500-684

240 (208)

30

7.2 (5.4)

3.6 (2.7)

10

99

10 - 150

0.75

≤ 86

½” NPT

5

NSF/ANSI 61

U P

C

®

US9

7-736-500-687

240 (208)

40

9.5 (7.1)

4.8 (3.6)

8

99

10 - 150

0.75

≤ 86

½” NPT

5

2 of 4

Bosch Thermotechnology Corp. reserves the right to make changes without notice due to continuing engineering and technological advances | BTC 721008304 A | 12.2011

Bosch Thermotechnology Corporation

Londonderry, NH • Ft. Lauderdale, FL • Irvine, CA

Tel: 1-800-798-8161 Fax: 1-603-965-7581 www.bosch-climate.us

Engineering Submittal Sheet

TRONIC US3 / US6 / US7 / US9

Electric Tankless Water Heaters

Water Heating Capacity Curve

5

4

Flow

Rate

3

(GPM)

2

1

0

10 20 30

* On maximum temperature setting

40

US3

50 60 70 80

Temperature rise (°F)

US6

US9

90

US7

100 110 120

Water Heating Capacity Data

Temperature

Rise °F*

95

90

75

65

55

45

35

US3

N/A

N/A

N/A

N/A

N/A

0.5

0.7

Flow Rate GPM

US6 US7

N/A

N/A

0.5

0.6

0.7

0.9

1.2

0.5

0.5

0.7

0.8

0.9

1.1

1.4

US9

N/A

N/A

0.9

1.0

1.2

1.4

1.9

Installation examples

Hot Cold Hot Cold Hot Cold

Front view

NOTE; Appliance must be installed only as shown in order to ensure fl ow switch activation

3 of 4

Bosch Thermotechnology Corp. reserves the right to make changes without notice due to continuing engineering and technological advances | BTC 721008304 A | 12.2011

Bosch Thermotechnology Corporation

Londonderry, NH • Ft. Lauderdale, FL • Irvine, CA

Tel: 1-800-798-8161 Fax: 1-603-965-7581 www.bosch-climate.us

Engineering Submittal Sheet

TRONIC US3 / US6 / US7 / US9

Electric Tankless Water Heaters

Tankless Components

1 2

14

13

12

11

Outlet

3

Inlet

4

88

9

10

5

6

7

Components Legend

5

6

7

1

2

3

4

Mounting hole

Heat exchanger tube

Thermal cut-out (manual re-set)

Heating elements

Terminal block

Cable rear entry

Ground stud

8

9

Cable clamp

Heater backplate

10 Cable bottom entry

11 Flow switch

12 Power selector

13 Cover fixing screw

14 Neon light

4 of 4

Bosch Thermotechnology Corp. reserves the right to make changes without notice due to continuing engineering and technological advances | BTC 721008304 A | 12.2011

Bosch Thermotechnology Corporation

Londonderry, NH • Ft. Lauderdale, FL • Irvine, CA

Tel: 1-800-798-8161 Fax: 1-603-965-7581 www.bosch-climate.us

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