Rinnai RC98I Manuel de service télécharger pdf (Page 54)

Rinnai Water Heater Service Manual 54 100000098 Rev B

Component Replacement Instructions

R/C42e, R/C53e

PC Board

1. Turn off the gas supply.

2. Turn off the 120 V power supply.

3. Turn off the water supply.

4. Remove four screws securing the front panel.

Remove front panel.

5. Lift up the plastic guard covering the front of the PC

board.

6. Remove the controller connections.

7. Remove the screws securing the grounding cables.

8. If a surge protector with terminals is installed, then

remove this board by removing two screws. This

board should be re-installed on the replacement PC

board.

9. Remove the two screws at the top and bottom of the

PC board.

10. Pull out the PC board, remove plastic cover, and

remove the connections.

11. Adjust dip switches on the new PC board.

Switches 1-8 (SW1): Configure the dip switches the

same as on the original PC board. If necessary,

refer to the Dip Switch section or to the Operation

and Installation Manual for more information on

these dip switches.

Switches 1-4 (SW2): Configure according to the

table.

12. Attach connections and plastic cover.

13. Insert PC board and attach with two screws.

14. Attach the grounding cables with screws.

15. Attach connections for the controller.

16. Perform the Gas Pressure Setting Procedure.

Figure 1

SW1

SW2

Burner test point

Potentiometer

SW2 setup

OFF position for models prior to these serial

numbers: (on these units, the front panel

does not have an “R” or “C” trade name,

unless the front panel has been replaced)

V1616W, V1616WC 06.02-000001

V2020W, V2020WC 05.07-000001

V2532W, V2532WC 05.05-117257

V2532FFU, V2532FFUC 05.05-117257

V2520FFU, V2520FFUC 05.05-109539

V2526W 05.05-110434

ON position for other models, serial numbers

OFF - Propane Gas

ON - Natural Gas

3 OFF position

OFF - Residential Models

ON - Commercial Models

Grounding cables

Screw

Surge protector

board with

terminals

1 2 ... 49 50 51 52 53 54 55 56 57 58 59 ... 111 112

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Rinnai RC98I Manuel de service Page 54

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