Page 2 of 20 rev. 03/10/22
CONTENTS
IMPORTANT SAFETY INFORMATION ................................................................................................................................................................... 3
Interpretation of marks and symbols ....................................................................................................................................................................... 3
General safety instruction ........................................................................................................................................................................................ 3
Instructions on transportation and storage .............................................................................................................................................................. 3
FUNCTIONING & PRINCIPLE OF OPERATION ........................................................................................................................................................ 4
SPECIFICATIONS ................................................................................................................................................................................................. 5
Overall Dimensions ................................................................................................................................................................................................. 6
INSTALLATION INTRODUCTION ........................................................................................................................................................................... 7
Precautions ............................................................................................................................................................................................................. 7
Installation Dimensions .......................................................................................................................................................................................... 8
Local Standards ....................................................................................................................................................................................................... 9
Safety ...................................................................................................................................................................................................................... 9
Water Quality ........................................................................................................................................................................................................... 9
Supplementary Heat Sources ................................................................................................................................................................................... 9
PLUMBING CONNECTIONS ................................................................................................................................................................................ 10
Piping Materials ..................................................................................................................................................................................................... 10
Pressure Reducing Valve ....................................................................................................................................................................................... 10
Pressure & Temperature Relief Valve .................................................................................................................................................................... 10
Cold Water Expansion Relief Valve ........................................................................................................................................................................ 10
Important Safety Information ................................................................................................................................................................................. 10
ELECTRICAL CONNECTIONS ............................................................................................................................................................................... 11
Electrical Protection Precautions ........................................................................................................................................................................... 11
INSTALLER ACTIVATION INSTRUCTIONS ........................................................................................................................................................... 11
COMMISSIONING CHECK LIST ............................................................................................................................................................................ 12
OPERATION AND FUNCTIONS ............................................................................................................................................................................. 13
Display ................................................................................................................................................................................................................... 13
Screen lock function .............................................................................................................................................................................................. 14
Emergency mode ................................................................................................................................................................................................... 14
How to set the timer .............................................................................................................................................................................................. 14
Recommended system settings ............................................................................................................................................................................ 14
TROUBLESHOOTING ........................................................................................................................................................................................... 14
Hot water use higher than anticipated ................................................................................................................................................................... 14
Water discharge through the pressure relief valve .................................................................................................................................................. 15
MAINTENANCE ................................................................................................................................................................................................... 15
Draining and ushing the system ........................................................................................................................................................................... 15
Relief valves ........................................................................................................................................................................................................... 15
Anode replacement ............................................................................................................................................................................................... 15
Condensate discharge pipe ................................................................................................................................................................................... 15
CONTACT DETAILS ............................................................................................................................................................................................. 16
STANDARD WARRANTY ...................................................................................................................................................................................... 17
Warranty Terms ..................................................................................................................................................................................................... 17
Warranty Conditions .............................................................................................................................................................................................. 17
Warranty Exclusions ............................................................................................................................................................................................... 18
OH&S Disclaimer ................................................................................................................................................................................................... 19
INSTALLATION RECORD ..................................................................................................................................................................................... 20
UserManual_2022-Enviroheat_WULFE.indd 2UserManual_2022-Enviroheat_WULFE.indd 2 3/10/2022 10:44:08 AM3/10/2022 10:44:08 AM
