16
Commercial Hybrid System
Connect Water Heater to Water Supply
Water connections to the Commercial Hybrid System
should follow all state and local plumbing codes.
If this is a standard installation, refer to the Piping
Diagram for Basic Installation.
1.
Use of this
layout should provide a trouble free
installation for the life of the water heater. Before
making the plumbing connections, locate the
COLD
water inlet and the
HOT
water outlet. The
COLD
water inlet is a 2” MNPT fitting on the lower
portion of the tank below the tankless unit. The
HOT
water outlet is a 2” MNPT fitting located at
the top of the tank. Install a shut-off valve close to
the water heater in the cold water line. It is rec-
ommended that unions be installed in the cold
and hot water lines so that the water heater can
be easily disconnected, if servicing is required.
2. When assembling the hot and cold piping, use a
good food grade pipe joint compound, and ensure
all fittings are tight. It is imperative that open
flame is not applied to the inlet and outlet fittings,
as heat will damage or destroy the plastic lined
fittings. This will
result in premature failure of the
fittings, which is not covered by the warranty.
□
Ensure that hot and cold water lines are not
crossed to the unit and are leak free.
□
Ensure that a pressure relief valve is installed with
a rating that exceeds the BTU input of the water
heater model. Refer to the rating plate on the
side of the water heater for BTU input.
□
Clean the inlet water filter by closing the cold and
hot water inlet isolation (shut-off) valves. Put a
bucket under the filter at the bottom of the water
heater to catch any water that is contained inside
the unit. Unscrew the water filter. Rinse the
filter to remove any debris. Install the filter and
open the isolation valves.
□
Check for proper water pressure to the water
heater. Minimum water pressure is 50 psi. Rinnai
recommends 60-80 psi for maximum
performance.
□
Ensure any issues regarding water quality have
been properly addressed.
DO NOT OPERATE THIS WATER HEATER UNLESS IT IS
COMPLETELY FULL OF WATER
. To prevent damage to
the appliance all air must be relieved from the system
and a hot water fixture must be flowing water before
the water heater is plugged in and turned on. To
ensure safe and effective operation of the water
heater use the following filling procedure:
To fill the water heater:
1. Ensure the drain valve located at the bottom
of the tank is closed.
2. Open nearest hot water fixture in the
plumbing system.
3. Open the cold supply valve to the water
heater.
4. Keep the hot water fixture open until the
tank is filled and constant flow is obtained at
the fixture.
5. Check water heater connections and
plumbing system for damage or leaks. Repair
if needed.
Filling the System
Checklist for Plumbing
NOTICE
DO NOT OPERATE THIS WATER HEATER UNLESS IT IS
COMPLETELY FULL OF WATER
Содержание CHS199100
Страница 24: ...24 Commercial Hybrid System Dimensions Inches millimeters 2 MNPT HOT 2 MNPT COLD ...
Страница 26: ...26 Commercial Hybrid System SERVICE MAINTENANCE LOG Date Service Maintenance Completed ...
Страница 30: ...30 Commercial Hybrid System NOTES ...
Страница 31: ...Commercial Hybrid System 31 NOTES ...