5703827-XIM-A-0319
34
Johnson Controls Ducted Systems
Table 21: RPM selection
Size
(tons)
Airflow
option
Phase
Motor
HP
Blower
sheave
Motor
sheave
6 turns
open
5 turns
open
4 turns
open
3 turns
open
2 turns
open
1 turn
open
Fully
closed
Standard belt drive
RPM (rev./min.)
ZM10
(10)
Standard
3
3
BK110
1VP65
705.6
735
764.4
793.8
823.2
852.6
882
ZM12
(12.5)
Standard
3
3
BK90
1VP56
N/A
826.9
863.6
900.4
937.1
937.9
973.9
Table 22: Rad/s selection
Size
(kW)
Airflow
option
Phase
Motor
Watts
Blower
sheave
Motor
sheave
6 turns
open
5 turns
open
4 turns
open
3 turns
open
2 turns
open
1 turn
open
Fully
closed
Standard belt drive
Rad/s
ZM10
(35)
Standard
3
3
BK110
1VP65
73.89
76.97
80.05
83.13
86.21
89.28
92.36
ZM12
(43.75)
Standard
3
3
BK90
1VP56
N/A
86.59
90.44
94.29
98.14
101.98
101.98
Table 23: Indoor blower specifications - imperial units
Size
(tons)
Motor
Motor sheave
Blower sheave
Belt
HP
RPM
Eff.
SF Frame
Datum dia. (in.)
Bore (in.)
Model
Datum dia. (in.)
Bore (in.) Model
ZM10
(10)
3
1470
0.895 1.15 184T
4.8-6.0
1 1/8
1VP65
10.0
1.0
BK110
BX56
ZM12
(12.5)
3
1470
0.895 1.15 184T
4.3-5.3
1 1/8
1VP56
8.0
1.0
BK90
BX60
Table 24: Indoor blower specifications - metric units
Size
(kW)
Motor
Motor sheave
Blower sheave
Belt
Watts
Rad./s
Eff.
SF
Frame
Datum dia. (mm)
Bore (mm)
Model
Datum dia. (mm)
Bore (mm) Model
ZM10
(35)
2237
154
0.895 1.15
184T
122-152.4
28.58
1VP65
254.0
25.0
BK110 BX56
ZM12
(43.75)
2237
154
0.895 1.15
184T
109.2-134.6
28.58
1VP56
203.2
25.0
BK90
BX60