Owner's Manual

4 C199 Manual
A licensed professional must install the appliance,
inspect it, and leak test it before use. The warranty
will be voided due to any 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.
 Training in installaon of tankless water heaters.
(Training can be accessed on-line at
www.trainingevents.rinnai.us)

Prepare for Installaon ...................................... 5
Determine Installaon Locaon ......................... 6
Freeze Protecon ............................................. 13
Checklist to Determine Installaon Locaon ... 14
Mount to Wall .................................................. 14
Remove the Front Panel .................................. 14
Installaon of Venng (indoor models only) ... 15
Condensate (indoor models only) .................... 41
Checklist for Venng and Condensate
(indoor models only) ........................................ 41
Installaon of Plumbing ................................... 42
Checklist for Plumbing ..................................... 45
Installaon of Gas Supply ................................. 45
Connect Electricity ........................................... 47
Adjustment for High Altude Installaons ...... 47
Adjustment for Vent Length
(indoor models only) ........................................ 47
Checklist for Gas and Electricity ....................... 47
Installaon of Temperature Controller ............ 48
Final Checklist................................................... 50
 

 Do not install the C199i outdoors.
 Do not install the C199e 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 oors 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 ow.
 Do not obstruct the ow 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 lling 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
shuto 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.).

 For installaon in commercial applicaons only.

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