Rinnai . REU-VC2025FFU-US, Installation And Operation Manual

Page: 5 / 80

Value Series Manual 5
Prepare for installa on
Parts included
Tools needed
Materials needed
•
The appliance must be isolated from the gas supply
piping system by closing its individual manual
shuto ff 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.).
•
You must follow the installa on instruc ons and
those in Care and Maintenance for adequate
combus on air intake and exhaust.
INFORMATION
•
If a water heater is installed in a closed water
supply system, such as one having a back fl ow
preventer in the cold water supply line, means
shall be provided to control thermal expansion.
Contact the water supplier or local plumbing
inspector on how to control thermal expansion.
•
Should overhea ng occur or the gas supply fail to
shut o ff , turn o ff the manual gas control valve to
the appliance.
•
Keep the air intake loca on free of chemicals such
as chlorine or bleach that produce fumes. These
fumes can damage components and reduce the life
of your appliance.
•
Tankless water heater
•
MC ‐ 91 ‐ 2 temperature controller (integrated into
indoor models; provided with outdoor models)
•
Pipe wrenches (2)
•
Adjustable pliers
•
Screwdrivers (2)
•
Wire cu ers
•
Gloves
•
Safety glasses
•
Level
Tools that might be needed
•
Hammer drill with
concrete bits
•
Saw
•
Threading machine with
heads and oiler
•
Core drill with diamond
head
•
Torch set
•
Copper tubing cu er
•
Steel pipe cu er
Materials that may be needed
•
Soap solu on
•
Approved ven ng
•
Te fl on tape
(recommended) or pipe
compound
•
Pressure relief valve
•
Heat tape
•
Pipe insula on
•
Electrical wire and
conduit per local code
•
Concrete wall anchors
•
Op onal pipe cover
•
Op onal temperature
controller
•
5/8” ID PVC fl exible
tubing
•
2 conductor 22 AWG
wire for controller
•
Single gang electrical
box
•
Wire nuts
•
Unions, drain valves,
isola on valves