Rinnai RH180 Installation Manual download pdf (Page 37)

RH180 Manual 37

System Maintenance

To protect yourself from harm, before performing maintenance:

 Turn o the electrical power supply by unplugging the power cord or by turning o the electricity at the

circuit breaker. (The temperature controller does not control the electrical power.)

 Turn o the gas at the manual gas valve, usually located immediately below the water heater.

 Turn o the incoming water supply. This can be done at the isolaon valve immediately below the water

heater or by turning o the water supply to the building.

WARNING

Keep the appliance area clear and free from combusble materials, gasoline, and other

ammable vapors and liquids.

WARNING

The appliance must be inspected annually by a licensed professional. Repairs and maintenance should be per-

formed by a licensed professional. The licensed professional must verify proper operaon aer servicing.

Air Screen Inspecon, Detecon & Cleaning

A. Inspecon:

 To maintain opmum performance, periodically

inspect the HTT Engine Air Screen.

 If the Air Screen appears to have lint and/or dust

build up, follow the cleaning procedure described

in step C.

 If the air screen appears damage, contact a quali-

ed service provider for a replacement air lter

assembly (Part No. 108000030)

B. Detecon: (Controller Flashing 05 or 13)

 Flashing error code 05 or 13 may be an indicaon

that the Air Screen is dirty or restricng air ow to

the water heater. Follow the cleaning procedure

described in Step C.

 If the controller connues to ash 13 aer clean-

ing the Air Screen, turn o the unit and contact a

qualied service provider.

C. Cleaning:

1. Power OFF the water heater

 Push the round power buon located on the

right hand side of the controller.

 Display will go blank when the power is o.

2. Remove the Air Screen Door

 Slide the door latch to the right

 Swing the door open and pull the door o the

water heater front panel.

3. Clean the Air Screen

 With mild dish soap and a so bristle brush,

scrub the screen area of the Air Screen Door.

 With clean water, rinse the soap o the screen.

4. Dry the Air Screen

 With a lint free towel, dry the lint screen

5. Inspect and Replace the Air Screen

 Inspect the air screen for any debris that may

restrict air ow to the unit.

 If the screen sll appears dirty repeat Step 3

 Replace the Air Screen Door by aligning the tab

at the right of the Air Screen Door with slots on

the water heater panel. With the latch slid to the

right rotate the door to the closed posion and

lock the door in place by sliding the latch the le.

6. Power ON the water heater.

NOTE: Do not operate this water heater

if the Air Screen is not in place.

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Rinnai RH180 Installation Manual Page 37

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