High Altitude Derate; Download Mobile Service App - Lennox LHT078H Installation Instructions Manual

PRESSURE TEST GAS LINE
MANUAL MAIN
SHUT-OFF VALVE
GAS VALVE
FIGURE 12
CAUTION
Some soaps used for leak detection are corrosive
to certain metals. Carefully rinse piping thoroughly
after leak test has been completed. Do not use
matches, candles, flame or othe sources of ignition
to check for gas leaks.
WARNING
Danger of explosion. Can cause injury
or product or property damage. Do not
use matches, candles, flame or other
sources of ignition to check for leaks.

High Altitude Derate

Locate the high altitude conversion sticker in the unit
literature bag. Fill out the conversion sticker and affix next
to the unit nameplate. High altitude kits are available for
field-installation.
Refer to table 2 for high altitude adjustments.
TABLE 2
HIGH ALTITUDE DERATE
Unit (KBtuh Altitude Ft.*
All 2000-4500
130-180 4500 And Above
240 4500 And Above
*Units installed at 0-2000 feet do not need to be modified.
NOTE ‐ This is the only permissible derate for these units.
CAP
Gas Manifold Pressure
See Unit Nameplate
Derate 2% / 1000 Ft.
Above Sea Level
Derate 4% / 1000 Ft.
Above Sea Level
Page 11

Download Mobile Service App

A-Mobile Device Requirements
S Android hardware requires 2GB RAM and a 2Ghz
core processor. Tablets are supported.
S Minimum Android 6.0 (Marshmallow) or higher.
Recommend Android 10 and Apple products require
iOS version 11 or higher.
B-New Installations
Once the app is downloaded, refer to the Setup Guide
provided with this unit to pair the app to the unit control
system. Follow the setup wizard prompts to configure the
unit. See figure 13 for the app menu overview. If a mobile
device is unavailable or not pairing, refer to the Unit
Controller Setup Guide for start-up instructions.
MOBILE SERVICE APP MENU OVERVIEW
MENU
RTU MENU
FIGURE 13
SETUP
INSTALL
NETWORK
INTEGRATION
TEST AND BALANCE TEST AND BALANCE
ALARM HISTORY
DATA TRENDING
FACTORY
RUNTIMES
SYSTEM DATA /
SENSORS / OUTPUTS
SERVICE
COMPONENT TEST
REPORT
ADVANCED
CONTROL
FIRMWARE UPDATE
SETTINGS
RTU OPTION
INSTALL