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CONDENSATE DRAIN
The water heaters covered in this manual are condensing
appliances and require a building drain to be located in close
proximity to allow the condensate to drain safely.
Condensate drains from the water heater at the exhaust elbow
located at the bottom. The field installed condensate drain line
must not be elevated above the condensate drain connection on
the built-in condensate trap, see
not drain properly it will build up in the exhaust (vent) elbow. This
will restrict the flow of flue gases and cause the Blocked Exhaust
Pressure switch to open its contacts. The control system monitors
all pressure switches. If the Blocked Exhaust switch contacts
are open, the control system will lock out and disable heating
operation. The "Blocked Exhaust Fault" message will be displayed
on the control system's LCD. See
60).
The Condensate Cleanout Cap must be on and tight when unit
is in operation.
The exhaust elbow has a built-in condensate trap. Do not install
an additional trap in the condensate drain piping, see
Note: If the "Blocked Exhaust Fault" message is displayed
on the control system LCD, check the condensate
drain first and ensure it is not blocked. Periodically,
inspect and clean the built-in condensate trap of any
debris.
EXHAUST (VENT)
ELBOW
CONDENSATE
DRAIN LINE
CONNECTION
CONDENSATE
CLEANOUT CAP
CONDENSATE DRAIN
LINE - FIELD INSTALLED
Figure 8. Exhaust/Condensate Elbow
CONDENSATE DRAIN WATER TRAP
DO NOT remove the factory installed exhaust/condensate elbow
(see
) for any reason. The water heater's vent pipe is
Figure 8
under a slight positive pressure while unit is in operation. The
water trap inside of the exhaust/condensate elbow prevents flue
gases from escaping into the installed space. The exhaust elbow
has a built in condensate trap. Do not install an additional trap in
the condensate drain piping. See
(page 39).
Installation
CONDENSATE PH LEVEL
The condensate drains from the water heater's covered in this
manual have PH levels between 4.3 and 5.0. Install a commercially
available neutralizing kit if required by local codes.
. If the condensate does
Figure 8
(page
Fault And Alert Conditions
Figure 8
THIS SIDE VIEW
OF EXHAUST
ELBOW AND
ARROW INDICATE
THE LOCATION OF
THE PRESSURE
PORT
DRAIN LINE TO TERMINATE NO
MORE THAN 12 INCHES (30.5 cm)
ABOVE DRAIN
BUILDING
DRAIN
and
Figure 8
Condensate Drain
Note: Lower PH levels are acidic. Do not connect a metal
drain line, such as copper, to the water heater for this
reason. See
Condensate Drain Installation
COMBUSTIBLE MATERIAL STORAGE
Fire or Explosion Hazard
Do not store or use gasoline or other flammable vapors and
liquids in the vicinity of this or any other appliance.
Avoid all ignition sources if you smell gas.
Do not expose water heater controls to excessive gas
pressure.
Use only the gas shown on the water heater rating label.
Maintain required clearances to combustibles.
.
Keep ignition sources away from faucets after extended
periods of non-use.
Read instruction manual before
installing, using or servicing
Keep water heater area clear and free of combustible materials,
gasoline, and other flammable vapors and liquids.
CONTAMINATED AIR
Corrosion of the flue ways and vent system may occur if air for
combustion contains certain chemical vapors. Such corrosion may
result in failure and risk of asphyxiation.
Breathing Hazard - Carbon Monoxide Gas
Breathing carbon monoxide can cause brain damage or
death. Always read and understand instruction manual.
Combustion air that is contaminated can greatly diminish the life
span of the water heater and water heater components such as
igniters and burners. Propellants of aerosol sprays, beauty shop
supplies, water softener chemicals and chemicals used in dry
cleaning processes that are present in the combustion, ventilation
or ambient air can cause such damage.
Do not store products of this sort near the water heater. Air which
is brought in contact with the water heater should not contain any
of these chemicals. If necessary, uncontaminated air should be
obtained from remote or outdoor sources. The limited warranty
is voided when failure of water heater is due to a corrosive
atmosphere. See
Commercial Water Heater Limited Warranty
76) for complete terms and conditions.
If the water heater will be used in beauty shops, barber shops,
cleaning establishments, or self-service laundries with dry cleaning
equipment, it is imperative that the water heater(s) be installed in
a Direct Vent configuration so that all air for combustion is derived
directly from the outdoor atmosphere through a sealed intake air
pipe. See
Venting Installation
16
(page 39).
water heater.
Install water heater in accordance with
the Instruction Manual and NFPA 54 or
CAN/CSA-B149.1.
To avoid injury, combustion and ventilation
air must be taken from outdoors.
Do not place chemical vapor emitting
products near water heater.
(page 21).
(page
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