Rinnai Demand Duo Installation Guide

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

Rinnai Demand Duo Specifications

General

Brand	Rinnai
Model	Demand Duo
Category	Controller
Language	English