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Litho U.S.A.

Corp. 1118−L4

Revised 11/2011

EL195UHE

Service Literature

EL195UHE SERIES UNITS

EL195UHE series units are high−efficiency gas fur-

naces manufactured with Lennox DuralokPlust alumi-

nized steel clamshell−type heat exchangers, with a stainless

steel condensing coil. EL195UHE units are available in

heating input capacities of 44,000 to 132,000 Btuh and

cooling applications from 2 through 5 tons. Refer to Engineer-

ing Handbook for proper sizing.

Units are factory equipped for use with natural gas. A kit is

available for conversion to LP/Propane operation. All

EL195UHE units are equipped with a hot surface ignition

system. The gas valve is redundant to assure safety

shut−off as required by C.S.A.

The heat exchanger, burners and manifold assembly can be

removed for inspection and service. The maintenance section

gives a detailed description on how this is done.

All specifications are subject to change. Procedures outlined

in this manual are presented as a recommendation only

and do not supersede or replace local or state codes.

WARNING

Electric shock hazard. Can cause injury

or death. Before attempting to perform

any service or maintenance, turn the

electrical power to unit OFF at discon-

nect switch(es). Unit may have multiple

power supplies.

Table of Contents

Specifications 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Optional Accessories 3. . . . . . . . . . . . . . . . . . . . . . . . . .

Blower Performance Data 4. . . . . . . . . . . . . . . . . . . . . .

I−Unit Components 7. . . . . . . . . . . . . . . . . . . . . . . . . . . .

II Placement and Installation 19. . . . . . . . . . . . . . . . . . . .

III−Start−Up 42. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

IV−Heating System Service Checks 43. . . . . . . . . . . . . .

V−Typical Operating Conditions 46. . . . . . . . . . . . . . . . .

VI−Maintenance 47. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

VII−Sequence of Operation and Flow Charts 50. . . . . .

WARNING

Improper installation, adjustment, alteration, service

or maintenance can cause property damage, person-

al injury or loss of life. Installation and service must

be performed by a licensed professional installer (or

equivalent), service agency or the gas supplier.

WARNING

Sharp edges.

Be careful when servicing unit to avoid sharp edges

which may result in personal injury.

Lennox EL195UHE - CONDENSATE TRAP AND DRAIN ASSEMBLY DETAILS; PVC DRAIN ASSEMBLY CONFIGURATIONS (FIGURE 55)

Table of Contents

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