Before You Start; Models Covered - Rinnai Demand Duo Installation Manual

Before you start

Unpack the system and components and check for damage. DO NOT install any
damaged items. Check all components have been supplied and that you have the
correct gas type.
Read these instructions to get an overview of the steps required before starting the
installation. Failure to follow these instructions could cause a malfunction of the
system. This could result in serious injury and/or property damage.

Models covered

Code/model
RCWDD400E315N/L
RCWDD600E315N/L
RCWDD800E315N/L
RCWDD1000E315N/L
RCWDD400FF315N/L
RCWDD600FF315N/L
RCWDD800FF315N/L
RCWDD1000FF315N/L
Customised systems
DD 420 external
DD 630 external
DD 840 external
DD 500 external
DD 750 external
DD 420 internal
DD 620 internal
DD 840 internal
N: Natural Gas
L: LPG
FF: Forced flue (internal units)
4 | Demand Duo CFHW with storage backup installation guide: 12583-B
Description
2 x HD200 external units with a 315 litre Demand Duo cylinder
3 x HD200 external units with a 315 litre Demand Duo cylinder
4 x HD200 external units with a 315 litre Demand Duo cylinder
5 x HD200 external units with a 315 litre Demand Duo cylinder
2 x HDi200 internal units with a 315 litre Demand Duo cylinder
3 x HDi200 internal units with a 315 litre Demand Duo cylinder
4 x HDi200 internal units with a 315 litre Demand Duo cylinder
5 x HDi200 internal units with a 315 litre Demand Duo cylinder
2 x EF250 external units with a 315 litre Demand Duo cylinder
3 x EF250 external units with a 315 litre Demand Duo cylinder
4 x EF250 external units with a 315 litre Demand Duo cylinder
2 x HD250 external units with a 315 litre Demand Duo cylinder
3 x HD250 external units with a 315 litre Demand Duo cylinder
2 x EFi250 internal units with a 315 litre Demand Duo cylinder
3 x EFi250 internal units with a 315 litre Demand Duo cylinder
4 x EFi250 internal units with a 315 litre Demand Duo cylinder