Specification
.........................................................4
Connections..........................................................5
HD49kWe external dimensions (mm) ...................6
HD49kWi and A28i internal dimensions (mm) ......7
Appliance location ................................................8
General installation information ............................9
External unit horizontal obstructions.....................10
Water delivery temperature ..................................10
Flued (internal) water heaters...............................11
Water controller installation ..................................12
Commissioning .....................................................15
PCB interface and dip switch settings ..................16
Contents
Before installation
Unpack the appliance and check for damage. DO NOT install any damaged
items.
Check all components and that the correct gas type has been supplied.
Get an overview of the steps required before starting the installation. Failure to
follow these instructions could cause a malfunction of the appliance. This could
result in serious injury and property damage.
These instructions apply only to the continuous flow water heater models listed on
the front of this guide.
Summary of Contents for A28i
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