OSO HOTWATER 80800277, Installation Manual

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2
CONTENTS
1. SAFETY INSTRUCTIONS
1.1 General information
• Read the following safety instructions care-
fully before installing, maintaining or ad-
justing the water heater.
• Personal injury or material damage may re-
sult if the product is not installed or used in
the intended manner.
• Keep this manual and other relevant docu-
Symbols used in this manual:
! WARNING Could cause serious injury or death
! CAUTION
Could cause minor or moderate injury or damage to property
DO NOT
!
DO
1. Safety instructions ..................................................... 2
1.1 General information ......................................... 2
1.2 Safety instructions for users ......................... 3
1.3 Safety instructions for installers ................. 3
2. Product description ................................................... 4
2.1. Product identification ...................................... 4
2.2. Intended use ......................................................... 4
2.3. UKCA marking ..................................................... 4
2.4 Technical data ...................................................... 4
2.5 ErP data (TDS) ...................................................... 4
2.6 Spare parts list ...................................................... 4
2.7 Technical and performance
specifications ......................................................... 5
3. Installation instructions ......................................... 6
3.1. Products covered by these instructions 6
3.2. Included in delivery ........................................... 6
3.3. Product dimensions / connection
heights ..................................................................... 7
3.4 Connections - dimensions and
function ................................................................... 7
3.5. Requirements for installation location .. 8
3.6. Pipe installation ................................................... 8
3.7. Electrical installation ........................................ 11
4. Commissioning ........................................................... 13
4.1. Commissioning and filling .......................... 13
4.2. Turning on the power ................................... 13
4.3 Temperature adjustment of tap water . 13
4.4 Control points .................................................... 13
4.5. Draining ................................................................. 13
4.6. System flushing .................................................. 14
4.7 Handover to end-user ................................... 14
5. User guide, safety and servicing .................... 15
5.1. Safety cut-out ..................................................... 15
5.2 Settings .................................................................. 15
5.3 Intermittent discharge from tundish ..... 16
5.4 Continous very hot water discharge
from tundish ........................................................ 16
5.5 Expansion vessel maintenance ................. 16
5.6 Warranty ................................................................ 16
5.7 Service procedure ............................................. 16
5.8 Discharge ............................................................... 16
5.9 Annual inspection of safety valves .......... 17
6. Troubleshooting ....................................................... 18
6.1 Faults and fixes .................................................. 18
7. System rating .............................................................. 19
7.1 Energy labelling of heating systems ...... 19
8. Warranty conditions ............................................. 20
8.1 Customer service ............................................. 20
9. Removing the product ........................................ 20
9.1 Removal ............................................................... 20
9.2 Returns scheme ............................................... 20
Installation, Commissioning and
Service Record Log Book ..................................... 21
ments where they are accessible for future
reference.
• The manufacturer assumes compliance (by
the end-user) with the safety, operating
and maintenance instructions supplied and
(by the installer) with the fitting manual
and relevant standards and regulations in
effect at the date of installation.