Rinnai RHFE-750ETR User Manual

Page of 40
 
Rinnai Corporation RHFE-750ETR                                                            15 
Installation Instructions 
  General Instructions   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
A qualified service technician should install the 
appliance and inspect it before use. 
The installation must conform with local codes or, in 
the absence of local codes, with the National Fuel Gas 
Code, ANSI Z223.1/NFPA 54
, or the Natural Gas and 
Propane Installation Code, CSA B149.1
A manufactured home (USA only) must conform with 
the Manufactured Home Construction and Safety 
Standard, Title 24 CFR, Part 3280
, or, when such a 
standard is not applicable, the standard for 
Manufactured Home Installations, ANSI/NCSBCS 
A225.1
, or the standard for Gas Equipped 
Recreational Vehicles and Mobile Housing, CSA 
Z240.4
The appliance, when installed, must be electrically 
grounded in accordance with local codes or, in the 
absence of local codes, with the National Electrical 
Code, ANSI/NFPA 70
, or the Canadian Electrical 
Code, CSA C22.1. 
Two 1/8 in test plugs are provided for testing of 
manifold differential pressure. 
The appliance must not be connected to a chimney 
flue serving a separate solid-fuel burning appliance. 
The appliance and its appliance main gas valve must 
be disconnected from the gas supply piping system 
during any pressure testing of that system at test 
pressures in excess of 1/2 psi (3.5 kPa). 
The appliance must be isolated from the gas supply 
piping system by closing its equipment shutoff valve 
during any pressure testing of the gas supply piping 
system at test pressures equal to or less than 1/2 psi 
(3.5 kPa). 
If the flooring is carpet, tile, or other combustible 
material other than wood, then the appliance must be 
installed on a metal or wood panel extending the full 
width and depth of the appliance. 
This appliance discharges a large volume of warm air 
next to the floor.  Any particles in the air such as 
cigarette smoke could cause discoloration in carpet.  
The warm air flow could discolor nylon carpets 
containing dyes or vinyl surfaces.  To prevent 
discoloration of the floor covering place a mat under 
the appliance which extends about 30 inches in front 
of it. 
Refer to the conversion manual for high altitude 
installations. 
     WARNING 
 
 
Do not use substitute materials. 
Use only parts certified with the appliance. 
The clearances to combustibles as stated on the 
rating plate and as shown in the figures must be 
followed.  Also refer to the Safety Behaviors and 
Practices section. 
1"
2"
3"
3"
4"
5"
45°
Top Panel of Fireplace
4"
Wall
CLEARANCES FROM THE SIDES 
combustible projections (ex. mantles) 
3"
1"
2"
4"
6"
3"
5"
45°
4"
Top Front
Edge
Wa
ll
CLEARANCES 
FROM THE TOP 
  Clearances to Combustibles