
1-1
INSTALLATION
TANKLESS WATER HEATER 199
17.7in
[450mm]
3.1in
[79mm]
29.8in
[757mm]
4.3in
[109mm]
FRONT
1.0 INSTALLATION
1.1 GENERAL
This High Efficiency Condensing tankless water heater is designed to be used for
domestic (residential) purposes. Domestic use is considered to be an average
annual gas usage of less than 4000 m
3
(140,000 ft
3
) for natural gas or 5680 L
(1500 US gallons) for propane. The products are fully condensing units with
variable input ranges
(see specification chart - page 3).
The units are approved
as “Category IV” vented appliances using Direct Vent (sealed combustion).
Figures 1a and 1b show outer case dimensions and piping. Use this diagram to
find a suitable location for the unit.
See also Section 1.3 Location.
Figure 1a: Dimensions / Connections for Tankless Water Heater
Tankless Water Heater
10.9in
[278mm]
SIDE
NOTE
Commercial use is allowed
only if the unit is regularly
maintained, and the heat
exchanger is cleaned at least
once a year, or more often if
the unit is experiencing heavy
use. Note: If the appliance is
serving only one residential
home in a multi-family
building, then the appliance
shall be considered used for
residential use.
Содержание 199,000 Btu/hr
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