Installa On Instruc Ons; Installer Qualifica Ons; General Instruc Ons - Rinnai RH180 Operation And Installation Manual

Installer Qualifica ons
A licensed professional must install the appliance,
inspect it, and leak test it before use. The warranty
will be voided due to improper installa on.
The installer should have skills such as:
gas sizing
connec ng gas lines, water lines, valves, and
electricity
knowledge of applicable na onal, state, and
local codes
installing ven ng through a wall or roof
Ven ng Category I, Fan Assist Appliances per
NFPA54 and local codes
If you lack these skills contact a licensed professional.
Installa on Steps
Determine Installa on Loca on ................ 8
Installa on Loca on .................................. 9
Checklist to Determine Loca on ............. 10
Minimum Clearances................................ 11
Typical Installa on Illustra on ................ 12
Combus on Air Requirements ........... 13-15
Ven ng Requirements ........................ 16-19
Checklist for Combus on Air
and Ven ng ............................................. 20
Installa on of Plumbing ........................... 21
Checklist for Plumbing ............................. 22
Massachuse s-Required Plumbing ......... 23
Installa on of Gas Supply ................... 24-25
Connect Electricity ................................... 26
Adjust for High Al tude ........................... 26
Checklist for Gas and Electricity .............. 26
Final Checklist .......................................... 27
6

Installa on Instruc ons

RH180 Manual

General Instruc ons

DO NOT
Do not install the RH180 outdoors.
Do not install the appliance in an area where water
leakage of the unit or connec ons will result in
damage to the area adjacent to the appliance or to
lower floors of the structure. When such loca ons
cannot be avoided, it is recommended that a
suitable drain pan, adequately drained, be installed
under the appliance. The pan must not restrict
combus on air flow.
Do not obstruct the flow of combus on and
ven la on air.
Do not use this appliance in an applica on such as
a pool or spa heater that uses chemically treated
water . (This appliance is suitable for filling large or
whirlpool spa tubs with potable water.)
Do not use subs tute parts that are not authorized
for this appliance.
MUST DO
The installa on must conform with local codes or,
in the absence of local codes, with the Na onal
Fuel Gas Code, ANSI Z223.1/NFPA 54, or the
Natural Gas and Propane Installa on Code, CSA
B149.1.
The appliance, when installed, must be electrically
grounded in accordance with local codes or, in the
absence of local codes, with the Na onal Electrical
Code, ANSI/NFPA 70, or the Canadian Electrical
Code, CSA C22.1.
The appliance and its appliance main gas valve
must be disconnected from the gas supply piping
system during any pressure tes ng of that system
at test pressures in excess of 1/2 psi (3.5 kPa)
(13.84 in W.C.).
The appliance must be isolated from the gas supply
piping system by closing its individual manual
shutoff valve during any pressure tes ng of the gas
supply piping system at test pressures equal to or
less than 1/2 psi (3.5 kPa) (13.84 in W.C.).