504,417M
*P504417M*
08/01
*2P0801*
2001
Litho U.S.A.
WARNING
Improper installation, adjustment, alteration, ser
vice or maintenance can cause property damage,
personal injury or loss of life. Installation and ser
vice must be performed by a qualified installer, ser
vice agency or the gas supplier
INSTALLATION
INSTRUCTIONS
Humiditrol
t
LGA/LCA
036H,
048H, & 060H
(3, 4, & 5 TON)
504,417M
8/2001
Supersedes 4/2001
L SERIES PACKAGED UNITS
Table of Contents
DIMENSIONS
1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PARTS ARRANGEMENTS
2
. . . . . . . . . . . . . . . . . . . . . . . . .
SHIPPING AND PACKING LIST
3
. . . . . . . . . . . . . . . . . . . . .
GENERAL
3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
UNIT SUPPORT
3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DUCT CONNECTION
4
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CONDENSATE DRAINS
5
. . . . . . . . . . . . . . . . . . . . . . . . . . .
CONNECT GAS PIPING
5
. . . . . . . . . . . . . . . . . . . . . . . . . . .
PRESSURE TEST GAS PIPING
5
. . . . . . . . . . . . . . . . . . . .
HIGH ALTITUDE DERATE
6
. . . . . . . . . . . . . . . . . . . . . . . . . .
FACTORY−INSTALLED OPTIONS
6
. . . . . . . . . . . . . . . . . . .
ELECTRICAL CONNECTIONS
7
. . . . . . . . . . . . . . . . . . . . .
BLOWER OPERATION AND ADJUSTMENTS
9
. . . . . . . .
COOLING START−UP
14
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HEATING START−UP
16
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HEATING OPERATION AND ADJUSTMENTS
18
. . . . . . . .
HUMIDITROL
t
START−UP AND OPERATION
19
. . . . . . . .
SERVICE
21
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE
LGA SHOWN