Instructions

Page 2
LHT/LDT180, 240
WARNING
To prevent serious injury or death:
1- Lock-out/tag-out before performing maintenance.
2- If system power is required (e.g., smoke detector mainte
nance), disable power to blower, remove fan belt where
applicable, and ensure all controllers and thermostats are
set to the “OFF” position before
performing maintenance.
3- Always keep hands, hair, clothing, jewelry, tools, etc.,
away from moving parts.
LHT/LDT DIMENSIONS
4−1/4 (108)
12−3/8
(314)
(314)
12−3/8
4
(102)
BOTTOM SUPPL
Y
AIR OPENINGS
BOTTOM RETURN
AIR OPENING
28
(711)
28
(711)
20 (508)
15 (381)
60−1/2 (1537)
AA
BB
CC
DD
CENTER OF
GRAVITY
TOP VIEW
4−1/2
(114)
20 (508)
BOTTOM POWER ENTRY
5 X 8 inches (127 X 203 mm)
4
(102)
END VIEW
90−1/8
(2289)
28−3/4
(730)
5−3/8
(137)
3−1/4
(83)
54−1/4
(1378)
51
(1295)
91−1/8 (2315)
BASE
8−1/4
(210)
10−1/4
(260)
4
(102)
OPTIONAL
DISCONNECT
(Factory Installed)
CONDENSA
TE
DRAIN
FLUE
OUT LET
SIDE VIEW
FORKLIFT SLOTS
(Front and Left Side Only)
132−5/8
(3369)
LIFTINGHOLES
(For Rigging
Front and Back)
25−3/8
(645)
107−3/4
(2737)
BASE
OPTIONAL
115 VOLT OUTLET
(Factory Installed Inside Unit)
FLUE
OUT LET
ALTERNATE (THRU THE BASE)
CONDENSATE DRAIN LOCATION
1−5/8 in. (41 mm) Diameter
18 (457)
28−3/8
(721)
5−5/8 (143)
91−1/8
(2315)
133−1/8
(3381)
54−1/4
(1378)
ELECTRICAL
INLETS
GAS SUPPLY INLET
SIDE
GAS SUPPLY OUTLET
(For Bottom
Gas Supply Only)