Technical data

ii
Figure 7 General arrangement, water/glycol, split systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Figure 8 General arrangement, water/glycol systems, close-coupled condensing unit . . . . . . . . . . . . . . . . 16
Figure 9 Dimensions, evaporator unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 10 Dimensions and piping, close-coupled water/glycol condensing unit. . . . . . . . . . . . . . . . . . . . . . . 18
Figure 11 Cabinet dimensions and piping data, water/glycol indoor remote condensing modules. . . . . . . . 20
Figure 12 General arrangement—Chilled water systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 13 Dimensions—Chilled water unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Figure 14 Step-down transformer for 277V input power applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Figure 15 Refrigerant piping diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Figure 16 Heat rejection loop, multiple drycoolers and multiple indoor units. . . . . . . . . . . . . . . . . . . . . . . . 29
Figure 17 Model number nomenclature—Evaporator units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Figure 18 Model number nomenclature—Outdoor air-cooled condensing units . . . . . . . . . . . . . . . . . . . . . . 30
Figure 19 Model number nomenclature—Indoor air-cooled condensing units. . . . . . . . . . . . . . . . . . . . . . . . 30
Figure 20 Model number nomenclature, close-coupled water/glycol condensing units—60Hz only . . . . . . . 31
Figure 21 Model number nomenclature—Indoor remote water/glycol-cooled condensing units. . . . . . . . . . 31
Figure 22 Model number nomenclature—Chilled water units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
TABLES
Table 1 60Hz capacities & typical specifications, air-cooled applications. . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Table 2 50Hz capacities & typical specifications, air-cooled applications. . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Table 3 Evaporator section dimensions—air-cooled applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Table 4 Evaporator unit refrigerant connections—pipe size/coupling number . . . . . . . . . . . . . . . . . . . . . 11
Table 5 Propeller fan, air-cooled condensing unit dimensions, inches (mm) . . . . . . . . . . . . . . . . . . . . . . . 12
Table 6 Remote centrifugal fan, air-cooled condensing, weight and dimensions . . . . . . . . . . . . . . . . . . . . 13
Table 7 60Hz capacities & typical specifications, water-cooled and glycol-cooled applications. . . . . . . . . 14
Table 8 50Hz capacities & typical specifications, water-cooled and glycol-cooled applications. . . . . . . . . 15
Table 9 Evaporator section dimensions—water/ glycol-cooled applications . . . . . . . . . . . . . . . . . . . . . . . . 17
Table 10 Evaporator unit refrigerant connections—pipe size/coupling number . . . . . . . . . . . . . . . . . . . . . 17
Table 11 Unit refrigerant connection sizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Table 12 Net weight, water/glycol condensing units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Table 13 Net weight, indoor water/glycol-cooled condensing unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Table 14 Chilled water data, 50/60Hz. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Table 15 Chilled water capacity correction factors based on 10°F (5.6°C) water rise . . . . . . . . . . . . . . . . . 22
Table 16 Net weights and dimensions, chilled water units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Table 17 Electrical data, split system evaporator or chilled water unit, 60/50Hz . . . . . . . . . . . . . . . . . . . . 24
Table 18 60Hz electrical data, evaporator with close-coupled water/glycol condensing unit with
common power feed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Table 19 60Hz electrical data, outdoor air-cooled condensing unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Table 20 50Hz electrical data, outdoor air-cooled condensing unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Table 21 Electrical data, indoor air & water/glycol remote condensing units, 50 & 60Hz . . . . . . . . . . . . . 26
Table 22 Refrigerant charge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Table 23 Recommended refrigerant line sizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Table 24 Pipe length and condenser elevation relative to evaporator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Table 25 Refrigerant charge in Liebert pre-charged R-407C line sets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Table 26 Line charges - refrigerant per 100 ft. (30m) of Type L copper tube . . . . . . . . . . . . . . . . . . . . . . . . 28
Table 27 Equivalent lengths for various pipe fittings, ft (m). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28