Rinnai Infinity 20-2021 User manual

Temperature Controlled Continuous Gas Hot Water System

Simply the best hot water system available.

CUSTOMERS OPERATING

INFORMATION

AND

m zzzz INSTALLATION INSTRUCTIONS

This appliance shall be installed in accordance with:-

Manufacturer’s Installation Instructions

Local Water Authority Regulations

Local Gas Fitting Regulations

Municipal Building Codes

A.G.A.1G.A.N.Z. Installation Code for Gas Burning Equipment

Any other relevant Statutory Regulation

This appliance must only be installed, serviced and removed by an

Authorised Person.

CONTENTS

Features ................................................................................. 1

CUSTOMERSOPERATINGINFORMATION

Remote Controls ........................................................................ 2

Remote Control Layout ................................................................ 3

Turning the Infinity 20 ON .............................................................. 4

Adjusting Temperature ................................................................. 4

Transferring Priority of Temperature Selection ....................................... 5

Turning the Infinity 20 OFF ............................................................ 6

Safety Points ............................................................................ 7

Important Points ............................ ..‘. ......................................... 8

Error Messages ......................................................................... 9

Guarantee Information ............................................................... 10

INSTALLATIONINSTRUCTIONS

-Unpacking ...................................................................... 11

- Positioning ..................................................................... 12

- Installation - General ......................................................... 13

- Remote Controls - General .................................................. 14

- Remote Controls - Installation ............................................ 15-17

- Testing .......................................................................... 18

Wiring Diagram .......................... ............................................. 19

Block Diagram ........................................................................ 20

Dimensions ........................................................................... 21

FEATURES OF YOUR INFINITY 20

n The Infinity 20 is one of the most advanced water heaters available. It supplies hot

water at the temperatures selected on either of the two electronic Remote Controls

supplied as standard with the appliance.

w The Master Control (larger control) can be fitted conveniently close to the shower

or bath area, and is used to override the Sub Control (smaller control) which is

normally fitted in the kitchen or other convenient area.

n The Transfer button on the Master Control enables you to select and lock the

preferred temperature for shower or bath water. When locked in, this selected

temperature cannot be overridden by the Sub Control.

n The Sub Control is used to select temperatures for kitchen, laundry etc.

n Temperatures selected at both Controls are retained in the system memory.

n The Infinity 20 never runs out. While the electricity, gas and water supplies are

connected, hot water is available for as long as the hot water tap is open.

n The burner lights automatically when the hot water tap is opened, and goes out

when the tap is closed.

n AGA’s 5 Star Energy Rating makes the Infinity 20 one of the most efficient water

heaters available.

n The Infinity 20 is an externally mounted, power flued appliance. It is very compact,

saving both floor and wall space.

n Operating noise levels are very low.

H Error codes are displayed on the Remote Controls, assisting with service.

H Other features include automatic frost protection and over heat protection.

This Infinity 20 must be installed correctly by an authorised person. The installation

of gas, water and electricity must conform to local regulations.

The installation must also comply with the instructions supplied by Rinnai.

Your Infinity20 has been approved byThe Australian Gas Association andTheGas

Association of New Zealand.

A.G.A. Approval Number 4673

G.A.N.Z. Approval Number 694

Please keep this instruction booklet in a safe place for future reference.

All dimensions referred to in these instructions are in mm,

unless otherwise specified.

-l--

Customers Opemting Infomtation

PLEASE READ THESE INSTRUCTIONS CAREFULLY

To obtain the best performance out of your Infinity 20 it is important to use the Remote

Controls correctly.

Used as intended, the Infinity 20 will supply hot water at the temperature selected,

even when the water flow is varied, or when more than one tap is used.

1 REMOTE CONTROLS ~~~-1

The purpose of the Remote Controls is to enable you to have complete control over

your Infinity 20 from inside your house.

Two Remote Controls are supplied with the Infinity 20. The Master Control has a

Transfer button. This Control has the ability to override theSubControl and lock in the

water temperature selection desirable for shower and bathroom areas. It is suggested

that theMasterControl with theTransfer button beconvenientlyplaced nearthe shower,

bathroom area or other location where priority control of water temperature is required.

Normally, the Sub Control, without theTransfer button, would be located in the kitchen

or other convenient area, such as the laundry.

All necessary adjustments to the operation of your Infinity 20 can be made with either of

the two Remote Controls.

A different temperature can be stored in the system memory of each Control.

Various water temperatures can be selected in 16 steps from 35W to 75%. The

temperatures are 35-37-38-39-40-41-42-43-44-45-46-48-50-55-60-75OC.

Suggested temperatures are Shower 42OC

Kitchen 50°C.

These temperatures are suggested starting points for selection. You may find higher or

lower temperatures are more comfortable. Maintaining lower temperatures helps to

save energy

-2-

REMOTE CONTROL LAYOUT

6 1

3 1

MASTER CONTROL

SUB CONTROL

Number Control Function

1 ON/OFF Power switch to operate Infinity 20

hot water service.

2 COMBUSTION INDICATOR

Indicates that a hot water tap is

open in any location, while the

Infinity 20 has been turned ON

and is operating.

3 ON INDICATOR Indicates which Remote Control is

in control of adjusting the water

temperature selection.

4 TRANSFER Alternates the control of

temperature selection between

Master and Sub Controls.

5 THERMOSTAT CONTROL

Adjusts the temperature selection

in 16 steps from 35% to 75%.

Selected temperatures are stored

in the system memory.

6 DIGITAL MONITOR

Indicates the temperature which

has been selected.

Error Code flashes in the event

of a fault.

-3-

TURNING THE INFINITY 20 ON

n TO TURN YOUR INFINITY 20 ON.

Simply press the ION/OFFI button

on either Control.

The ON indicator will glow on the

Control which you have operated.

This indicates that the Infinity 20 is

ready to supply hot water as soon

as a tap is opened.

To operate the Infinity 20 simply

turn any hot water tap on. This

will automatically light the burner

providing hot water at the

temperature displayed on the

Digital Monitor.

After installation, and when the

loN/OFFI button is first pushed,

42% will be displayed on the Digital

Monitor.

This is a safety feature. Thus even

if the shower is used without first

adjusting the temperature the hot

water will be at a safe temperature.

Master Control

Sub Control

r ADJUSTING TEMPERATURE

n TO INCREASE OR DECREASE

THE WATER TEMPERATURE.

The temperature can only be

adjusted on the Remote Control

where the ON indicator is

glowing, and the same

temperature will be displayed

on both Controls.

required temperature is displayed

on the Digital Monitor.

When any hot water tap is turned

on, hot water will be supplied at

the temperature displayed on the

Digital Monitor.

CHECK WATER TEMPERATURE

BEFORE ENTERING SHOWER

OR BATH

-4-

TRANSFERRING PRIORITY OF

TEMPERATURE SELECTION

n To Transfer priority of water

temperature selection to the

Master Control, simply press the

ITRANSFER 1button on the

Master Control.

The ON indicator on the Master

Control will glow to indicate that

priority of water temperature

selection has been transferred

to the Master Control.

After having transferred the

priority of water temperature

selection, 42W will be displayed

on the Digital Monitor.

n The water temperature can now be

selected using the Master Control.

Once the desired water

temperature is selected, the

Remote Control will store it in

the system memory until the

temperature is changed or the

mains power supply is turned off.

You can alternate priority of

water temperature selection

between the Master and Sub

Controls, without erasing the

individually stored temperatures

from the system memory.

n To Transfer priority of water

temperature selection back to

the Sub Control, simply press the

1st button again. The

temperature displayed will then

return to the temperature which

was previously selected at the Sub

Control, and the ON indicator will

glow to indicate priority control of

water temperature selection. Master Control

-5-

TURNING THE INFINITY 20 OFF

n TO TURN YOUR INFINITY 20 OFF

Simply press the -1 button

on either Remote Control.

This will shut the Infinity 20 down

completely

If hot water taps are opened when

the Infinity 20 is OFF,cold water will

flow from the taps.

Selected temperatures are retained

in the system memory, even when

the Remote Controls have been

turned OFF.

When the Controls are turned ON

again, the previously selected

temperatures will be displayed on

the Digital Monitor.

NOTE:

It is recommended that during long

periods of non-use, the system be

switched off at the Remote Controls.

-6-

SAFETY POINTS

ALWAYS CHECK WATER NEVER CHANGE WATER

TEMPERATURE BY HAND BEFORE TEMPERATURES OR OPERATE THE

ENTERING THE SHOWER OR BATH. REMOTE CONTROLS WHILE

SOMEONE ELSE IS IN THE SHOWER.

If 75OChas been selected at the Sub

Control and then priority of Do not push themlbutton on

the Sub Control after having

temperature selection is transferred

to the Master Control and back

again, the temperature on the Sub

Control will drop to 60%. This is a

safety feature.

transferred priority of temperature

selection to the Master Control.

This procedure could cause sudden

changes in water temperature.

Do not touch the flue outlet when the

Infinity 20 is in operation. Keep flammable materials, trees,

shrubs etc. away from the Infinity 20.

On cold days steam may be

discharged from the flue outlet, this is

normal with a high efficiency appliance

and does not indicate a fault.

-7-

IMPORTANT POINTS

solvents. Use a soft damp cloth. the power supply and freezing

conditions are expected, turn off water

and gas, and drain all water from the

Drain Water

rn the Infinity 20 Water flow needs to be more than

off at the Remote Controls after use. 2.5Umin. to operate the Infinity 20.

However, if you prefer to turn the Hot water temperature may vary at low

Controls off, selected temperatures will water flows or the Infinity 20 may go

be stored in the system memory at all . out without warning.

times while mains power remains

connected.

The Infinity 20 controls the water

temperature automatically. To do this it

sometimes needs to change the water

flow accordingly. The water flow from

the hot water tap may vary when the

selected temperatures on the Remote

Controls are adjusted. The water flow

may also vary from summer to winter,

as incoming water temperatures differ.

Depending on the weather conditions

and the length of the pipe between the

Infinity 20 and the tap in use, there

may be some variation between the

temperatures displayed at the Remote

Control and the temperature of the

water at the tap.

-8-

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