Unit installation

11
P6SP-072*
MSD kits:
920609 (208-230V, 3Ø, 60 Hz)
920560 (460V, 3Ø, 60 Hz)
Downfl ow Performance Chart
‡ Indicates Factory Sheave Setting for Pre-confi gured Units
External
Unit Static
(in-Wg)
Operating @
230 or 460
Volts
Adjustable Motor Sheave Setting
Fully
Closed
1/2 Turn
Open
1 Turn
Open
1.5 Turns
Open ‡
2.0 Turns
Open
2.5 Turns
Open
3.0 Turns
Open
3.5 Turns
Open
4.0 Turns
Open
4.5 Turns
Open
5.0 Turns
Open
5.5 Turns
Open
6.0 Turns
Open
0.8
CFM
RPM
kW
0.9
CFM
2598 2437 2275 2097
1919
RPM
1039 1014 988 960
931
kW
1.23 1.10 0.97 0.87
0.77
1.0
CFM
2595 2405 2232
2059
RPM
1066 1040 1016
991
kW
1.29 1.13 1.01
0.89
1.1
CFM
2770
2558 2392 2225
RPM 1123
1098 1071 1044
kW
1.55
1.36 1.20 1.04
1.2
CFM
2563 2401 2222
2043
RPM
1127 1102 1076
1049
kW
1.41 1.25 1.13
1.00
1.3
CFM
2557 2402 2246
RPM
1155 1129 1103
kW
1.47 1.33 1.19
1.4
CFM
2357 2182
2006
RPM
1157 1131
1105
kW
1.40 1.25
1.09
1.5
CFM
2455 2267
RPM
1185 1160
kW
1.45 1.35
1.6
CFM
2241
RPM
1189
kW
1.40
Values includes losses for: Unit Casing, 2” Disposable Filters & Dry Evaporator Coil
Values shown refl ect operation at 230V or 460V. For operation at 208V, deduct 0.025 from unit static.
Deduct 250 Cfm for electric heater kits
3862
Indicates a recommended unit operational point
1159
3.03
3493
Indicates an allowable setting that is not recommended for unit operation
†
† These operational points should be carefully examined by the installer for proper unit setup and heater operation if used.
1017
2.07
Indicates a setting that is not permitted for unit operation
Table 7. Blower Performance for P6SP-072* Units
(6 Ton Downfl ow Models Only)
AIRFLOW DATA FOR MEDIUM STATIC DRIVES