Gas Connections - LG GEN2 Series Installation And Operation Manual

Installation
Recommended Electrical and Gas Supply
Entry Locations
Manufacturer recommends that electrical service and gas
supply be brought into the cabinet through the end wall, as
shown below. There are three penetrations into the cabinet
that are required; one for high voltage supply wiring, one for
low voltage control wiring and one for either gas supply or
high voltage supply wiring for an electric heater
Recommended Gas and Electric Supply Entry Locations
Alternate Supply Entry Locations
Each installation is unique and as a result, alternate entry
locations may be field-located. Before using any alternate
entry location, verify the suitability of the location and ensure
the use of an alternate location does not interfere with unit
wiring, components or functionality.

Gas Connections

If this unit is equipped with an indirect gas-fired furnace,
connection to an appropriate gas supply line will be required.
For complete information on installation procedures for the
optional gas furnace, refer to the PVF/PVG Indirect Gas-Fired
Heat Module Installation, Operation, and Maintenance
Manual.
Typical Gas Supply Piping Connection
Optional Gas Piping
Units with indirect gas-fired furnaces require field-
supplied and installed gas supply piping.
Housing Total
Size Heating
Capacity
(Input in
MBH)
75
100
02
150
200
100
150
12 200
250
300
300
22 400
500
600
800
32
1000
1200
600
800
35
1000
1200
Gas Max Gas
Connection Pressure
Size
¾"
14 in. wg.
NPT
14 in. wg.
¾"
NPT
14 in. wg.
¾"
NPT
¾"
NPT
14 in. wg.
1" NPT
1" NPT
13.5 in.
wg.
2" NPT