User manual

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Figure 37 Using rigging to lift Liebert DS off skid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Figure 38 Setting the unit on a floor stand . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Figure 39 Lowering EC fans into floor stand, Steps 1 through 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Figure 40 Lowering EC fans into floor stand, Steps 7 through 9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Figure 41 Removing the EC fans, Steps 1 through 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Figure 42 Removing the EC fans, Steps 6 through 9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Figure 43 Component dimensions—downflow, air-cooled, 28-42kW (8-12 ton), semi-hermetic
compressor models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Figure 44 Component dimensions—downflow, air-cooled, 28-42kW (8-12 ton), scroll/digital scroll
compressor models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Figure 45 Component dimensions—downflow, water/glycol/GLYCOOL, 28-42kW (8-12 ton), all
compressor models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Figure 46 Component dimensions—downflow, air-cooled, 53-77kW (15-22 ton), semi-hermetic
compressor models; forward-curved and EC fan. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Figure 47 Component dimensions—downflow air-cooled, 53-77kW (15-22 ton), scroll/digital scroll
compressor models; forward-curved and EC fan. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Figure 48 Component dimensions—downflow water/glycol, GLYCOOL, 53-77kW (15-22 ton), all
compressor models; forward-curved and EC fan. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Figure 49 Component dimensions—downflow, air-cooled, 105kW (30 ton), semi-hermetic compressor
models; forward-curved and EC fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Figure 50 Component dimensions—downflow, air-cooled, 105kW (30 ton), scroll compressor models;
forward-curved and EC fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Figure 51 Component dimensions—downflow, water/glycol/GLYCOOL, 105kW (30 ton), forward-curved
and EC fan, all compressor models; forward-curved and EC fan. . . . . . . . . . . . . . . . . . . . . . . . . . 63
Figure 52 Component dimensions—upflow, air-cooled, 28-42kW (8-12 ton), semi-hermetic compressor
models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Figure 53 Component dimensions—upflow, air-cooled, 28-42kW (8-12 ton), scroll/digital scroll
compressor models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Figure 54 Component dimensions—upflow, water/glycol/GLYCOOL, 28-42kW (8-12 ton), all
compressor models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Figure 55 Component dimensions—upflow, air-cooled, 53-77kw (15-22 ton), semi-hermetic compressor
models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Figure 56 Component dimensions—upflow, air-cooled, 53-77kw (15-22 ton), scroll/digital scroll
compressor models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Figure 57 Component dimensions—upflow water/glycol/GLYCOOL 53-77kw (15-22 ton), all compressor
models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Figure 58 Component dimensions—upflow, air-cooled, 105kW (30 ton), semi-hermetic compressor
models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Figure 59 Component dimensions—upflow, air-cooled, 105kW (30 ton), scroll/digital scroll compressor
models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Figure 60 Component dimensions—upflow, water/glycol/GLYCOOL, 105kW (30 ton), all compressor
models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Figure 61 Electrical field connections—Upflow and downflow models, single molded case switch
disconnect with main fuses. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . 77
Figure 62 Electrical field connections—Upflow and downflow models, dual fused disconnect switches . . . 78
Figure 63 Wye-connected power diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Figure 64 Delta-connected power diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Figure 65 Disconnecting EMC filter for operation with Delta-connected power size C & D inverters. . . . . 83
Figure 66 Figure bb Disconnecting EMC filter for operation with Delta-connected power Type 2
inverters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Figure 67 Gravity drain for downflow and upflow units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Figure 68 Piping schematic—air-cooled, semi-hermetic compressor models . . . . . . . . . . . . . . . . . . . . . . . . . 96
Figure 69 Piping schematic—air-cooled, scroll compressor models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Figure 70 Piping schematic—water/glycol, semi-hermetic compressor models . . . . . . . . . . . . . . . . . . . . . . . 98
Figure 71 Piping schematic—water/glycol with scroll compressor models. . . . . . . . . . . . . . . . . . . . . . . . . . . 99