HTP CG N65 Series, Installation, Start-Up, Maintenance, Parts, Warranty

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LP-436 Rev. 5.20.15
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4. Corrosive Atmospheres
If this water heater is to be installed in a beauty shop, barber
shop, photo processing lab, dry cleaning establishment, a
building with an indoor pool, or near a chemical storage area, it
is imperative that the combustion and ventilation air be drawn
from outside these areas. These particular environments contain
products such as aerosol sprays, detergents, bleaches, cleaning
solvents, refrigerants, and other volatile compounds that, in
addition to being highly flammable, become highly corrosive
acid compounds when burned. Exposure to such compounds
can be hazardous and lead to premature product failure.
Should
the water heater fail due to exposure to such a corrosive
atmosphere, the warranty is void.
D. Venting
When installing the venting system, make sure to follow all local
codes, or, in the absence of local codes, National Fuel Gas Code,
ANSI Z223.1/NFPA 54 in the United States, or CAN/CSA B149.1,
National Gas and Propane Installation Code in Canada. Never
operate the water heater unless it is properly ventilated to the
outdoors and has adequate air supply for proper operation.
Failure to properly install the venting system could result in
property damage, personal injury, or death.
1. Automatic Flue Damper / Drafthood Assembly
The flue damper/drafthood assembly has been shipped from the
factory in a separate box attached to this water heater. Before
installing the flue damper/drafthood assembly, verify that it is
the correct model for this water heater (the CG125N73 uses a
5” flue damper, all other 73 gallon models use a 6” flue damper;
CG250N65 uses a 7” flue damper, all other 65 gallon models use
an 8” flue damper). If the wrong assembly has been shipped or is
missing completely, immediately contact the dealer where the
water heater was purchased. Never operate this water heater
without the manufacturer’s flue damper/drafthood assembly
installed.
DO NOT modify the flue damper / drafthood assembly in any
way. DO NOT turn on the electrical power to the water heater
until the flue damper / drafthood assembly is installed. Failure
to follow these instructions can result in property damage,
personal injury, or death.
When installing the water heater, make sure the location allows
clear viewing of the flue damper. When the damper is in the
open position, the paddle is perpendicular to the water heater.
The flue damper must be in an open position when the water
heater’s burners are operating.
To install the flue damper/drafthood assembly, use the following
instructions and secure all pieces with the provided sheet metal
screws. See Figure 9.
1. Remove the flue damper/drafthood assembly from its
packaging.
2. Center the assembly over the flue collector outlet.
Figure 9 - Flue Damper / Drafthood Assembly
2. Venting System
The venting system must be attached to the drafthood to
connect the water heater to the gas vent or chimney. The vent
pipe connecting the water heater must be of the same size
as the drafthood outlet. It is highly recommended to install
this water heater on a separate venting system from other
appliances. In some installations, proper venting may require
the use of a larger diameter vent pipe and/or combined
venting with other appliances. Consult the vent tables in the
ANSI Z223.1/NFPA 54 in the United States, of CAN/CSA B149.1
National Gas and Propane Installation Code, in Canada, to
correctly size the vent pipe.
When connecting the vent pipe to the water heater, the
following instructions must be followed:
• Install the vent pipe in such a way as to avoid any
unnecessary bends that could create resistance to the
flow of combustion gases.
may be assumed the wood louvers and grilles will allow 20-25%
free area and metal louvers and grilles will allow 60-75% free
area. Louvers and grilles must be installed in the open position
or interconnected with the water heater so that they are opened
automatically during water heater operation. 3. Rotate the assembly so that the wire connector on
the water heater can plug into the flue damper motor
connector.
4. Use the wire connector to secure the assembly to the
flue connector.
5. Install the flue damper support leg on the assembly.
6. Secure the assembly to the top of the water heater.
7. Plug the wire connector on the water heater into the
flue damper motor connector.