Rheem RTE 3 Technical Document

Owners Guide

and

Installation Instructions

Electric

Boiling Water Unit

Models 3, 5, 7.5, 10, 15, 25, & 40 Litre

This boiling water unit must be installed and serviced by a qualified person. Please leave this guide with the householder.

Austral

ia Only

Notice to Victorian Customers from the

Victorian Plumbing Industry Commission.

This

boiling unit

must be installed by a licensed person as required by the Victorian Building

Act 993.

Only a licensed person will give you a Compliance Certificate

, showing that the work complies

with all the relevant standards. Only a licensed person will have insurance protecting their

workmanship for 6 years. Make sure you use a licensed person to install this boiling water unit

and ask for your Compliance Certificate.

Contents

ABOUT YOUR BOILING WATER UNIT ............................................................. 4

INTRODUCTION ................................................................................................. 4

SETTING THE TIMER FUNCTIONS ................................................................... 7

A) SETTING THE CLOCK .......................................................................... 8

B) SET TIMER TO STD/AUTO MODE........................................................ 8

C) PROGRAMMING ‘SET ON/OFF TIMES’ ............................................... 9

D) PROGRAMMING ‘SLEEP DELAY TIMER’.......................................... 10

E) SELECTING ‘FILTER LIFE’ FUNCTIONS ........................................... 10

F) ACCESSING ‘SERVICE MENU’........................................................... 11

ERROR CODES ................................................................................................ 11

INSTALLATION................................................................................................. 18

WATER SUPPLY CONNECTION ..................................................................... 19

OVERFLOW / VENT CONNECTION IMPORTANCE........................................ 19

ELECTRICAL REQUIREMENTS ...................................................................... 22

COMMISSIONING............................................................................................. 23

FAULT FINDING GUIDE ................................................................................... 24

SPECIFICATIONS............................................................................................. 25

DIMENSIONS AND MOUNTING SPECIFICATIONS ........................................ 26

DIMENSIONS SPECIFICATIONS ..................................................................... 27

RHEEM WARRANTY ........................................................................................ 28

ABOUT YOUR BOILING WATER UNIT

INTRODUCTION

Thank you for choosing our Rheem Boiling Water Unit. Please take a few minutes to

read this booklet because it contains important information about the correct

installation and operation of your boiling water unit. The Rheem Boiling Water Unit

supplies boiling water. It is made from high quality copper and is designed to be

installed indoors. The Rheem Boiling Water Unit is supplied with all the required

safety controls for installation (not including the isolation valve prior to the boiling

water unit).

WARNING:

This boiling water unit is only intended to be operated by persons who have the

experience or the knowledge and the capabilities to do so. This boiling water

unit is not intended to be operated by persons with reduced physical, sensory or

mental capabilities i.e. the infirm, or by children. Children should be supervised

to ensure they do not interfere with the boiling water unit.

This boiling water unit uses 230-240 V AC electrical power for operation of the

control systems and the electrically operated components. The removal of the

access cover(s) will expose 230-240 V wiring. They must only be removed by a

qualified person.

SAFETY

This boiling water unit is supplied with an over temperature cut-out on the boiling

element to prevent element burn out in the event of control failure. If the electrical

supply cord to the boiling water unit is damaged, it must be replaced by a qualified

competent person in order to avoid becoming a hazard. In Australia phone Rheem

Service on 131 031, in New Zealand phone your nearest Rheem Service Centre on

0800 657 335 for an inspection. For extra electrical protection against power surges

and spikes it is recommended that the user install a surge protector prior to the

boiling water unit.

WARNING:

The Rheem warranty may not cover faults if any of the installed safety devices

are tampered with.

TO TURN OFF THE BOILING WATER UNIT

The boiling water units are supplied with a programmable timer (see page 6), Rheem

recommend the timer function be used to conserve energy.

If it is necessary to turn off the boiling water unit:

• Switch off the electrical supply at the isolating switch to the boiling water unit.

• Close the cold water isolation valve at the inlet to the boiling water unit.

TO TURN ON THE BOILING WATER UNIT

• Open the cold water isolation valve fully on the cold water line to the boiling water

unit.

• Switch on the electrical supply at the isolating switch to the boiling water unit.

Note:

The boiling water unit may not appear to turn on immediately when it is first switched

on as the electronic controller will automatically check the system prior to allowing

water into the boiling water unit (this could be up to 10 seconds).

On initial start up after installation, this boiling water unit automatically runs through

a set-up cycle to detect the boiling point of water. During this cycle steam may

discharge from the vent pipe for a short time. This set-up cycle will take up to 18-30

minutes depending on unit, and when completed (boiling point detected) the unit will

commence incremental filling. It is important NOT to operate the tap during the set-up

cycle because it may affect the operating temperature of the unit.

IS THIS BOILING WATER UNIT INSTALLED CORRECTLY?

Installation requirements are shown under Installation (on page 18).

The boiling water unit must be installed:

•by a qualified person, and

•in accordance with the installation instructions, and

•in compliance with Standards AS/NZS 3500.4, AS/NZS 3000 and all local

codes and regulatory authority requirements.

In New Zealand, the installation must also conform to Clause G12 of the New Zealand Building Code

DOES THE WATER QUALITY AFFECT THE BOILING WATER UNIT?

The boiling water unit is suitable for most public water supplies, however some water

qualities may have detrimental effects on the boiling water unit, its components

and

fittings. If you are in a known harsh water area you must first read Water Supplies

(on page 16). If you are not sure, have your water quality checked against the

conditions described on page 16.

HOW LONG WILL THE BOILING WATER UNIT LAST?

There are a number of factors that will affect the length of service the boiling water

unit will provide. These include but are not limited to the water quality, the water

usage pattern etc.

Refer to “Precautions” below However, your boiling water unit is

supported by a comprehensive Rheem warranty (refer “Rheem Warranty” on page

28).

PRECAUTIONS

The boiling water unit must be maintained in accordance with the Owner’s Guide and

Installation Instructions.

If this boiling water unit is to be used where an uninterrupted boiling water supply is

necessary for your application or business you should ensure that you have back up

redundancy within the building. This should ensure the continuity of boiling water

supply in the event that this boiling water unit were to become inoperable for any

reason. We recommend you seek advice from your plumber or specifier about your

needs and building back up redundancy.

HOW YOUR BOILING WATER UNIT WORKS

The boiling water unit is designed to operate using mains water pressure by

connecting directly to the mains water supply. If the mains supply pressure in your

area exceeds 1000kPa a secondary pressure limiting valve must be fitted. The

supply pressure should be greater than 50 kPa (3-10Litre), 75kPa (15-25L) or

100kPa (40L) for the Rheem Boiling Water Unit operating to its optimum

performance.

BOILING WATER

The Rheem Boiling Water Unit is electronically controlled to obtain the maximum

performance, and incorporates further safety devices to prevent over temperature

and over filling.

ELECTRONIC CONTROLLER & TIMER

Your Rheem boiling water unit incorporates smart heating software and an electronic

timer to obtain the best efficiency for the energy used. The electronic timer allows the

user to program when the unit is on or off and when the sleep mode activates to

save energy. Also the operator has the availability to indicate and diagnose any

system faults that occur without the need to unnecessarily call for a service

technician. (Refer “Setting the Timer” on page 7)

SETTING THE TIMER

TIMER FUNCTIONS

Function

Mode

Description

Clock N/A Set clock time.

STD/AUTO

STD BWU ‘ON’ 24 hours 7 days.

AUTO BWU operates according to programmed ‘Set

ON/OFF Times’.

Set ON/OFF

Times

N/A Program ON/OFF times for AUTO mode.

Sleep Delay Time N/A Program delay-off time from last usage

(operates in AUTO mode only).

Filter Life*

Remaining Life Displays remaining filter life in litres.

Filter Reset Resets filter ‘Remaining Life’ to ‘Set Filter Life’

setting. Utilised when replacing filter.

Set Filter Life Program filter life start value in litres.

Service Menu

Error Codes Displays alpha error codes (refer to page

for

error codes and their meanings).

Boiling Temp Displays the current boiling water temperature in

ºC.

Calib. Reset Reactivates automatic boiling point calibration

operation.

Temp Override Manually select calibrated temp setting.

Selectable from 70 – 99 ºC.

Software Version Displays Timer and Controller software versions

(top = Timer, lower = Controller).

Temp Show

ON/OFF

Enable/disable boiling water temperature display

on timer screen (in ºC).

TB Treq Displays boiling water temperatures in ºC. (TB =

calibrated temp, Treq = maintained temp).

*Boiling Water Units do not have a water filter however filter life functions can be

utilised if the water supply to the BWU has a water filter fitted.

To select a Timer Mode

Press the (Prog) button until the desired mode is displayed on the screen. Press the

(Accept) button to confirm selection. Pressing (Cancel) button at any time returns

the unit to the main menu. Any functions previously accepted will be retained.

Note: The display will revert back to main menu from any mode if a button has not

been pressed for 1 minute.

A) Setting the Clock

1. Press and release the (Prog) button, ‘Clock’ is displayed flashing on the

screen.

2. Press and release the (Accept) button to confirm selection. ‘Set Clock Day’

will be displayed on the screen with the day selection shown flashing.

3. Press and release the (Up) button until the desired day is selected.

4. Press and release the (Accept) button to confirm selection. ‘Set Clock HOUR’

will be displayed on the screen with the hours section of the time shown

flashing.

5. Press and release the (Up) button until the desired hour (24 hour time)

appears flashing on the screen.

6. Press and release the (Accept) button to confirm selection. ‘Set Clock MIN’

will be displayed on the screen with the minutes section of the time shown

flashing.

7. Press and release the (Up) button until the desired minute appears flashing

on the screen.

8. Press and release the (Accept) button to confirm selection. The display will

revert to the main menu and the time setting will be saved.

B) Set Timer to STD/AUTO Mode

1. Press and release the (Prog) button until ‘Timer STD/AUTO’ is displayed

flashing on the screen.

2. Press and release the (Accept) button to confirm selection. ‘STD’ will be

displayed flashing on the screen.

3. Pressing and releasing the (Up) button alternates between the ‘STD’ and

‘AUTO’ icons.

4. Press and release the (Accept) button when the ‘STD’ or ‘AUTO’ icon is

shown on the display. The display will revert to the main menu. If ‘STD’ is

selected the unit will operate 24 hours a day. If ‘AUTO’ is selected the unit will

operate according to the pre set times on the timer (refer to ‘Programming Set

ON/ OFF Times’ below).

Note: If the timer is in AUTO mode and is in an ‘OFF’ period, the pressing of any

Timer button or lever on the tap will reactivate the unit. The unit will then

operate normally until the next programmed ‘OFF’ time.

C) Programming ‘Set ON/OFF Times’ (For Use in ‘AUTO’ Mode)

Note: A highlighted numeral i.e. 7:00 indicates that the highlighted numeral 7 is

flashing on the display. X:XX is your time setting.

1. Press and release the (Prog) button until ‘Set ON/OFF Time’ is displayed

flashing on the screen.

2. Press and release the (Accept) button to confirm selection. ‘SUN 7:00 – 7:00

Set ON hour’ will be displayed on the screen.

3. Press and release the (Up) button until the desired hour appears flashing on

the screen.

4. Press and release the (Accept) button to confirm selection. ‘SUN X:XX –

X:XX Set ON minute’ will be displayed on the screen.

5. Press and release the (Up) button until the desired minutes appear flashing

on the screen.

6. Press and release the (Accept) button to confirm selection. SUN X:XX – X:XX

Set OFF hour’ will be displayed on the screen.

7. Press and release the (Up) button until the desired hour appears flashing on

the screen.

8. Press and release the (Accept) button to confirm selection. ‘SUN X:XX –

X:XX Set OFF Minute’ will be displayed on the screen.

9. Press and release the (Up) button until the desired minutes appear flashing

on the screen.

10.Press and release the (Accept) button to confirm selection. MON 7:00 –

17:30 Set ON hour’ will be displayed on the screen.

11.Continue steps 3 – 8 for Monday through to Saturday. When step 8 is

completed for Saturday the display will automatically revert to the main menu

and the program will be saved.

Note: To program the unit to be in ‘OFF’ mode for an entire day, set the ‘ON’ and

‘OFF’ times to be the same i.e. ON = 0:00 OFF = 0:00.

D) Programming ‘Sleep Delay Time

1. ’Press and release the (Prog) button until ‘Sleep Delay Time’ is displayed

flashing on the screen.

2. Press and release the (Accept) button to confirm selection. ‘Sleep Delay Time

OFF’ will be displayed on the screen with ‘OFF’ flashing.

3. Press and release the (Up) button until the desired time setting appears

flashing on the screen. Each consecutive push and release of the (Up) button

increases the time setting in one hour increments up to a maximum of 6

hours. If the (Up) button is pressed and released after ‘6’ is reached ‘OFF’ will

be displayed and if accepted, the sleep delay timer will be turned off.

4. When the desired setting is reached press and release the (Accept) button to

confirm selection. The display will revert to the main menu and the setting will

be saved.

D) Programming ‘Sleep Delay Timer’ Continued

Note: The sleep function puts the unit in a standby mode after a user defined period

(1 – 6 hours). The unit will enter ‘Sleep’ mode if it has not been used for the

programmed ‘Sleep Delay Time’ period. During ‘Sleep mode’ the unit will

maintain the boiling water temperature at 0ºC instead of the normal Treq

(Temperature required) approximately 97ºC. To exit sleep mode, press any

Timer button or lever on the tap to reactivate the unit. The unit will then operate

normally.

E) Selecting ‘Filter Life’ Functions

The Filter Life function has three modes to select from, ‘Remaining Life’, ‘Filter

Reset’ and ‘Set Filter Life’. The Filter Life is factory set to OFF as the default setting.

These modes are accessed as follows:

Accessing ‘Remaining Life’

1. Press and release the (Prog) button until ‘Filter Life’ is displayed flashing on

the screen. Note: if ‘Remaining Life – COUNT IS OFF’ is displayed on the

screen proceed directly to step 3 otherwise proceed to step 2.

2. Press and release the (Accept) button to confirm selection. ‘Remaining Life

XXXX Litres’ will be displayed on the screen where XXXX is the value of

remaining filter life in litres.

3. Press and release the (Cancel) or (Accept) button to revert back to the main

menu.

Activating ‘Filter Reset’ & ‘Set Filter Life’

1. Press and release the (Prog) button until ‘Filter Life’ is displayed on the

screen. Note: if ‘Remaining Life – COUNT IS OFF’ is displayed on the screen

proceed directly to step 3 otherwise proceed to step 2.

2. Press and release the (Accept) button to confirm selection. ‘Remaining Life

XXXX Litres’ will be displayed on the screen.

3. Press and release the (Up) button. ‘Filter Reset’ is displayed on the screen.

4. Press and release the (Accept) button to confirm selection. ‘Are You Sure’ will

be displayed flashing on the screen.

5. Press and release the (Accept) button to confirm selection. ‘Set Filter Life

YYYY Litres’ is displayed on the screen (with ‘YYYY Litres’ flashing) where

YYYY is the previous preset value in litres. Note: ‘OFF’ may be displayed

flashing on the screen if the previous value was set to OFF.

6. Press and release the (Up) button until the desired setting appears flashing on

the screen. Each consecutive push and release of the (Up) button increases

the capacity setting in 1,000 litre increments from a start value of 1,000 litres

up to a maximum setting of 14,000 followed by OFF.

7. Press and release the (Accept) button to confirm selection. The display will

revert to the main menu and the setting will be saved.

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