•
Set S1 jumper on VFD, AI1, to Volts
•
The VFD is enabled by the Evaporator Fan VFD Relay (EVFDR)
IntelliSpeed™ fan control (8-25T)
Figure 2: Label on unit/VFD for IntelliSpeed™ fan control
Note:
Figure 2 is an example of a label.
The Intellispeed™ fan control is available on all 8 ton and larger DSH, DSV, and CSV units.
Table 1: Fan speed % vs. compressor stage
Stage 1
Stage 2
Stage 3
Stage 4
DSH024C-
DSH060C
100%
N/A
N/A
N/A
DSH096C
50%
60%
100%
N/A
DSH120C
50%
60%
75%
100%
DSV060C
100%
N/A
N/A
N/A
DSV096C-144C
50%
60%
100%
N/A
DSV180C-300C
50%
60%
75%
100%
CSV060C
100%
N/A
N/A
N/A
CSV096C-300C
60%
100%
N/A
N/A
11
VFD for D-Series (DSV/DSH) Air-cooled Self-Contained Units, and C-Series (CSV) Water-Cooled Self-Contained Units,
C-Gen
Johnson Controls
