Technical data

2
CONTENTS
Householder: Read the section “About Your Water Heater” (pages 3 to
16). The “Installation” section is intended for the installer but may be of
interest.
ABOUT YOUR WATER HEATER ................................................................ 3
Model Type ................................................................................................ 3
Turning On the Water Heater .................................................................... 6
Shut Down Procedure ............................................................................... 6
Temperature Adjustment ........................................................................... 6
Other Important Information ...................................................................... 7
Periodic Maintenance ................................................................................ 8
Water Chemistry...................................................................................... 11
Troubleshooting ...................................................................................... 14
INSTALLATION .......................................................................................... 16
Installation Overview ............................................................................... 16
Water Supplies ........................................................................................ 18
Plumbing & Plumbing Diagrams ............................................................. 18
Plumbing Connections ......................................................................... 18
Two Temperature Zones Using a Temperature Limiting Device......... 23
Circulated Hot Water Flow & Return Systems .................................... 24
Electrical & Electrical Connections.......................................................... 25
Thermostat Adjustment ....................................................................... 26
Commissioning ........................................................................................ 27
Draining the Water Heater ...................................................................... 28
Dimensions & Technical Data ................................................................. 29
WARRANTY ............................................................................................... 31