Installa On Instruc Ons - Rinnai RU80i Installation And Operation 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:
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gas sizing
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connec ng gas lines, water lines, valves,
electricity,
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knowledge of applicable na onal, state, and
local codes.
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installing ven ng through a wall or roof
If you lack these skills contact a licensed professional.
Type of installa on
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For installa on in residen al and commercial
applica ons.
Installa on Steps
Prepare for Installa on ...................................... 5
Determine Installa on Loca on ........................ 6
Checklist to Determine Installa on Loca on . .. 1 1
Mount to Wall . ................................................. 1 1
Remove the Front Panel .................................. 1 1
Installa on of Ven ng (indoor models only) ... 1 2
Condensate (indoor models only) . ................... 1 5
Checklist for Ven ng and Condensate
(indoor models only) . ....................................... 1 5
Installa on of Plumbing ................................... 1 6
Checklist for Plumbing ..................................... 1 9
Installa on of Gas Supply ................................ 1 9
Connect Electricity ........................................... 2 1
Adjust for High Al tude ................................... 2 1
Adjust for Vent Length (indoor models only) .. 2 1
Checklist for Gas and Electricity . ...................... 2 1
Installa on of Temperature Controller . ........... 2 2
Final Checklist .................................................. 2 4
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Installa on Instruc ons

General Instruc ons
DO NOT
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MUST DO
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KB Series Manual
Do not install the RU80i or the RU98i outdoors.
Do not install the RU80e or the RU98e indoors.
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. Combus on air shall not be
supplied from occupied spaces.
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.
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.).