User Manual
Table Of Contents
- Contents
- About Your Water Heater
- Water Heater Application
- Model Type
- Mains Pressure
- Water Heater Operation
- Reduced Hot Water Flow When Heat Exchanger Is Cold
- Gas Boosting For A Solar Water Heater
- How Hot Should The Water Be?
- Hotter Water Increases The Risk Of Scald Injury
- Safety
- Warnings
- Precautions
- General Maintenance
- Minor Maintenance Every Six Months
- Major Service Every Five Years
- Circulated Hot Water Flow And Return System
- Going On Holidays
- To Turn Off The Water Heater
- To Turn On The Water Heater
- Frost Protection
- Draining The Water Heater
- How Do I Know If The Water Heater Is Installed Correctly?
- Victorian Customers
- Does The Water Chemistry Affect The Water Heater?
- How Long Will The Water Heater Last?
- Temperature Control
- Temperature Control – Standard
- Temperature Control – Deluxe
- Deluxe Controller Functions
- Deluxe Controller
- Voice Prompt And Operating Tone
- Assistance Call Function
- Temperature Settings – Deluxe Controllers
- Temperature Adjustment – Deluxe Controllers
- Kitchen Controller – Deluxe
- Bathroom Controllers – Deluxe
- Bath Fill Function
- Bath Fill Function – Brief Guide
- Bath Fill Function – Explanatory Notes
- Turning Off Bath Fill Function During Its Operation
- Notes on the Bath Fill function:
- Opening a Second Hot Water Tap During Bath Fill Operation
- Early Completion of Bath Fill Operation
- Interrupting Bath Fill Operation
- Operation of the Bath Fill function whilst a Deluxe Controller has priority
- Water Supplies
- Save A Service Call
- No Display On The Controller
- Cold Water From The Hot Tap
- Water Is Too Hot Or Not Hot Enough
- Reduced Hot Water Flow When Heat Exchanger Is Cold
- No Water From The Hot Tap
- Water Flow Fluctuates
- Gas Booster Operating Too Frequently
- Fan Continues To Run After Water Heater Operation Stops
- Clouds Of White ‘Vapour’ From The Flue Terminal
- Pressure Relief Valve Discharging
- Error Code
- Higher Than Expected Gas Bills
- Installation – Water Heater
- Installation Standards
- Water Heater Application
- Water Heater Location
- Installation Within A Covered Area
- Pipe Cover
- Recess Installation
- Frost Protection
- Mains Water Supply
- Hot Water Delivery
- Circulated Hot Water Flow And Return System
- Reducing Heat Losses
- Water Temperature Diagrams
- Technical Data
- Dimensions – Water Heater
- Dimensions – Standard Controllers
- Dimensions – Deluxe Controllers
- Typical Installation – Outdoor Location
- Connections – Plumbing
- Connections – Electrical
- EZ LINK System Dual Installation
- Installation – Controllers
- Commissioning
- Draining The Water Heater
- Rheem Continuous Flow Gas Water Heater Warranty – Australia and New Zealand Only
- 1. The Rheem Warranty – General
- 2. Terms Of The Rheem Warranty And Exclusions To It
- 3. What Is Covered By The Rheem Warranty For The Water Heaters Detailed In This Document
- 4. Entitlement To Make A Claim Under This Warranty
- 5. How To Make A Claim Under This Warranty
- 6. The Australian Consumer Law

ABOUT YOUR WATER HEATER
9
FROST PROTECTION
The water heater has a frost protection system. The frost protection system will protect the water heater from
damage, by preventing ice forming in the waterways of the water heater, in the event of freezing conditions
occurring.
Notes:
The frost protection system will be rendered inoperable if electrical power is not available at the water
heater. Damage caused by freezing due to the unavailability of power at the water heater is not covered
by the Rheem warranty (refer to “Terms of the Rheem Warranty” on page 87).
If it is necessary to switch the power off to the water heater and there is a risk of freezing, then it is
necessary to drain the water heater (refer to “Draining the Water Heater” on page 9).
Pipe work to and from the water heater must be adequately insulated to prevent freezing.
The water heater is not suitable for installation in areas where the ambient temperature falls below -20°C
(including wind chill factor).
Refer to “Terms of the Rheem Warranty” on page 87.
DRAINING THE WATER HEATER
Turn off the water heater (refer to “Turn Off The Water Heater” on page 8).
Open a hot tap (preferably the shower outlet).
Unscrew the two drain plugs, one each at the cold water inlet and hot water outlet, on the underside of
the water heater.
Water will drain from the water heater.
When water stops flowing from the water heater, close the hot tap.
Note: It is recommended not to screw the drain plugs back in, until the water heater is to be turned on again.