Table Of Contents - Rheem 27 Owner's Manual And Installation Instructions

Table of Contents

Installation Instructions1
Table Of Contents3
Model Type4
Gas Boosting For A Solar Water Heater4
Water Heater Operation4
About Your Water Heater4
Mains Pressure5
How Hot Should The Water Be?5
Hotter Water Increases The Risk Of Scald Injury5
Ez-Link System Dual Installation5
Safety6
General Maintenance6
Condensate Trap6
To Turn Off The Water Heater7
To Turn On The Water Heater7
How Do I Know If The Water Heater Is Installed Correctly?7
Does The Water Chemistry Affect The Water Heater?7
How Long Will The Water Heater Last?8
Servicing8
Going On Holidays8
Frost Protection8
Temperature Control9
Controllers9
Standard Controllers9
Deluxe Controllers9
Temperature Control – Standard10
Standard Controller Functions10
Silencing A Controller – Standard11
To Turn Off The Sound11
Temperature Settings – Standard Controller12
Temperature Adjustment – Standard Controller13
Kitchen Controller – Standard14
Notes On The Kitchen Controller14
To Operate The Kitchen Controller15
Bathroom Controllers – Standard16
Notes On The Bathroom Controllers16
To Operate A Bathroom Controller17
Turn Off The Kitchen Controller17
Turn On The Bathroom Controller17
Select The Temperature Setting17
Water Volume Function – Standard Controller18
To Operate The Water Volume Alarm18
Turn Off The Alarm19
Close The Hot Tap19
Notes On The Water Volume Function19
Temperature Control – Deluxe20
Deluxe Controller Functions20
Bath Fill Temperature21
Voice Prompt22
Operating Tone22
Adjusting The Volume Of The Voice Prompt And Operating Tone23
Assistance Call Function23
To Call For Assistance23
Temperature Settings – Deluxe Controllers24
Temperature Adjustment – Deluxe Controllers25
Kitchen Controller – Deluxe26
To Operate The Kitchen Deluxe Controller27
Bathroom Controllers – Deluxe28
Notes On The Bathroom Deluxe Controllers28
To Operate A Bathroom Deluxe Controller29
Bath Fill Mode30
Bath Fill Mode – Brief Guide30
To Operate The Bath Fill Mode30
Bath Fill Mode – Explanatory Notes32
Turning Off Bath Fill Mode During Its Operation35
Notes On The Bath Fill Mode36
Opening A Second Hot Water Tap During Bath Fill Operation37
Early Completion Of Bath Fill Operation37
Interrupting Bath Fill Operation37
Operation Of The Bath Fill Mode Whilst A Deluxe Controller Is Active38
Water Supplies39
Change Of Water Supply39
Saturation Index39
Save A Service Call40
No Display On The Controller40
Cold Water From The Hot Tap40
Water Is Too Hot Or Not Hot Enough40
Gas Booster Operating Too Frequently41
Hot Tap Not Used Recently41
Insufficient Sunlight41
Collectors Shaded41
Clouds of White 'Vapour' from the Flue Terminal42
Pressure Relief Valve Discharging42
Error Code42
Higher Than Expected Gas Bills42
Installation – Water Heater43
Water Heater Location43
Ventilation44
Secondary Flue44
Pipe Cover44
Mains Water Supply45
Hot Water Delivery46
Gas Booster For Open Circuit Direct Solar Preheater Installation47
Gas Booster For Closed Circuit Solar Preheater Installation47
Circulated Hot Water Flow And Return System48
Temperature Limiting Device48
Reducing Heat Losses49
Circulated Hot Water Flow And Return49
Water Temperature Diagrams50
Dimensions And Technical Data51
Dimensions – Standard Controllers52
Dimensions – Deluxe Controllers53
Typical Installation – Indoor Location54
Connections – Plumbing55
Water Inlet And Outlet55
Pipe Sizes56
In-Series Boost Water Heater56
Gas Inlet56
Flueing57
Components58
Flue Terminal Location59
Horizontal Flue Terminal Location59
Vertical Flue Terminal Location59
Flue Lengths60
Maximum Flue Length60
Minimum Flue Length60
Water Heater Flue Adapter60
Condensate Drain Line And Condensate Trap61
Horizontal Flue Runs62
Typical Installation – Horizontal Terminal With One Bend62
Horizontal Flue Installation64
Horizontal Flueing – Directly Behind Water Heater64
Horizontal Flueing – Extended Flue Run66
To Install An Extended Horizontal Flue And Termination66
Vertical Flue Installation69
To Install A Vertical Flue And Termination69
Multiple Water Heater Flue Installation72
Horizontal Flue Terminations72
Vertical Flue Terminations72
Condensate Traps With Common Drain Line73
Connections – Electrical74
Ez-Link Kit – Pn 29014175
Dual Installation76
Labels76
Temperature Controller76
Ez-Link Cable Connection77
Control Board With Ez-Link Connection78
Typical Two Unit Manifold With Ez-Link Connection78
Installation – Controllers79
Kitchen Controller80
Kitchen Controller (Standard) Components80
Kitchen Deluxe Controller Components80
Wiring Installation81
Kitchen Controller (Standard And Deluxe) Installation Concealed Cable81
Kitchen Controller (Standard And Deluxe) Installation Exposed Cable82
Bathroom1 And Bathroom2 Controllers83
Bathroom1 And Bathroom2 Controller Components83
Bathroom1 Deluxe And Bathroom2 Deluxe Controller Components83
Bathroom Controller (Standard And Deluxe) Installation84
Connecting The Controller(S) To The Water Heater85
Commissioning86
Gas Inlet Pressure86
Gas Inlet Test Point Pressure87
Burner Gas Pressure88
Minimum Test Point Gas Pressure88
Maximum Test Point Gas Pressure89
Clearing Error Code89
Preset Outlet Temperature Setting90
Gas Booster For A Solar Water Heater90
To Check Or Adjust The Preset Outlet Temperature Setting91
Draining The Water Heater93
Warranty95