Installa On Loca On - Rinnai RH180 Operation And Installation Manual

Loca on
This water heater is not approved for use in manufactured (mobile) homes or outdoor installa ons.
A c:
Installa on of the water heater must be accomplished in such a manner that if the tank or any connec on should
leak, the flow of water will not cause damage to the structure. For this reason, it is not advisable to install the
water heater in an a c or upper floor. When such loca ons cannot be avoided, a suitable drain pan should be
installed under the water heater. (See drain pan below)
Garage:
Although this water heater is equipped with a flammable vapor sensor, gasoline and other flammable substances
should not be stored or used in the same vicinity or area of the water heater or any other appliance that may
produce a spark or open flame.
It is not required to posi on this water heater on a stand as this water heater complies with the FVIR
requirements and the burner and igniter are posi oned greater than 18 inches from the base of the unit.
This water heater must be posi oned or located as to not be subject to damage by a moving vehicle.
Refer to local code for installa on requirements in a garage.
Crawl Space:
When installing this water heater in a crawl space with a dirt floor, posi on the water heater on a solid concrete
pla orm, or base to avoid damage to the unit. (Do not use wood)
Drain Pan: If the water heater is installed in a loca on that could result in damage to the home or structure
precau ons must be taken to protect the property from water damage. In the event of a tank or component
failure, an appropriately sized pan must be installed under the water heater. The pan must drain with a
minimum diameter ¾" connec on and shall be drained per local code requirements.
Stand: Depending on local code, a stand may not be required due to the igni on source being over 18" from
the base of the appliance.
Alcove or closet:
See clearance requirements and combus on air requirements.
Insula on Blanket:
This water heater meets or exceeds the Na onal Appliance Energy Conserva on Act standards with respect to
insula on and standby losses. If an insula on blanket is s ll desired, the following procedure must be followed.
a. Maintain an adequate distance from the vent.
b. Do not cover the front door of the tankless engine or the lower enclosure of the assembly.
c. Do not cover the combus on air grill located on the front door of the tankless engine.
d. Do not obstruct the opera on of the pressure relief valve.
e. Obtain new warning labels from the manufacturer to place on the blanket, directly over the exis ng
labels.
f. Frequently inspect the blanket to ensure the insula on blanket has not been disturbed.
RH180 Manual 9