Unit installation

28
R4GM & R6GN-180* Series
HSD kits:
918800 (208-230/460V, 3Ø, 60 Hz)
Blower 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
0.9
CFM
RPM
kW
1.0
CFM
RPM
kW
1.1
CFM
5800 5575 5350 5100 4850
RPM
1228 1208 1188 1168 1148
kW
3.65 3.43 3.20 2.98 2.75
1.2
CFM
6200
5850 5500 5250 5000 4700
4400
RPM 1270
1250 1230 1210 1189 1169
1148
kW
4.1
3.80 3.50 3.25 3.00 2.75
2.50
1.3
CFM
6100
5850 5600 5350 5100 4850 4600
RPM 1309
1290 1271 1251 1231 1211 1190
kW
4.25
4.03 3.80 3.55 3.30 3.03 2.75
1.4
CFM
5800 5550 5300 5050 4800
4500 4200
RPM
1310 1291 1272 1252 1232
1211.5 1191
kW
4.00 3.78 3.55 3.33 3.10
2.85 2.60
1.5
CFM
6000
5700 5400 5150 4900 4650
4400
RPM 1353
1333 1312 1293 1273 1253
1233
kW
4.45
4.13 3.80 3.55 3.30 3.09
2.87
1.6
CFM
5650 5325 5000 4725
4450
RPM
1354 1334 1314 1295
1275
kW
4.25 3.93 3.60 3.35
3.10
1.7
CFM
5350 4925
4500
RPM
1355 1336
1316
kW
4.00 3.70
3.40
1.8
CFM
4850
4475
4100
RPM
1357
1338 1318
kW
3.75
3.48
3.20
1.9
CFM
4400
RPM 1359
kW
3.50
2.0
CFM
RPM
kW
Values include losses for: Unit Casing, 2” Disposable Filters, Dry Evaporator Coil & Installed Heat Exchanger
Values shown refl ect operation at 230V or 460V. For operation at 208V, deduct 0.025 from unit static.
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 24. Blower Performance for R4GM & R6GN-180* Units
(15 Ton Models Only)