Installation manual

035-16682-000-E-0303
10 Unitary Products Group
CLEARANCES
All units require certain clearances for proper operation and
service. Installer must make provisions for adequate combus-
tion and ventilation air in accordance with section 5.3, Air for
Combustion and Ventilation of the National Fuel Gas Code
ANSI Z223.1 or Sections 7.2, 7.3 or 7.4 of CAN/CGA B149
installation codes-Latest Edition and/or applicable provisions
of the local building codes. Refer to Figure
10 for clearances
required for combustible construction, servicing, and proper
unit operation.
TABLE 5: UNIT CORNERWEIGHT
UNIT
DESCRIPTION
25 TON 30 TON 40 TON
ABCDA B C D A B C D
Basic Unit 988 988 1162 1162 1011 987 1189 1213 1088 1088 1363 1363
Basic Unit With
Economizer
1058 1058 1192 1192 1106 1080 1194 1220 1153 1153 1398 1398
Basic Unit With
Economizer
and Gas or
Electric Heat
1107 1107 1232 1232 1131 1080 1259 1310 1203 1173 1437 1467
Basic Unit With
Economizer
and Gas or
Electric Heat
and Power
Exhaust
1261 1261 1272 1272 1262 1206 1290 1346 1347 1317 1457 1487
TABLE 6: UNIT CENTER OF GRAVITY
MODEL
25 TON 30 TON 40 TON
XYXYX Y
Basic Unit 99” 46” 98” 45” 93” 46"
Basic Unit With
Econ.
110” 46” 108” 45” 97” 46"
Basic Unit With
Econ. & Gas or
Elect. Heat,
Steam or Hot
Water Heat
104” 45” 102” 44” 96” 45"
Basic Unit With
Econ. & Gas or
Elect. Heat, &
Power Exhaust
118” 45” 112” 44” 108” 45"
(COOLING OPERATION) Do not permit overhang-
ing structures or shrubs to obstruct condenser air
discharge outlet, combustion air inlet or vent out-
lets.