035-000029-001
Page 49
HHA IOM 1.4 10/11/2021
Table 3 (Continued)
VFD Parameters—Control (digit 17) Option D
(Constant CFM control)
SERVICE-VFD Parameters—Cont’d
NOTES:
1. VFD’s are located inside the blower compartment. Keypad is mounted on unit exterior for all
control options.
2. Control Option “D” indicates factory settings for VFD with constant CFM (airflow) control.
VFD speed is controlled using the differential pressure output from the differential pressure
transducer. The VFD changes RPM to keep the airflow setpoint constant.
Table 4a—VFD Parameters—All Control Options—Motor Table
PARAMETER
2003 / 9906
1105 / 2008
115/1/60
208-230
460V
MAX
UNIT
HP
FLA
FLA
FLA
FREQ
HHA04-12
1
3.75
3.75
1.81
76
1.5
4.83
2.3
85
HHA16-25
2
6.44
2.88
55
3
8.74
4.37
64
5
14.6
6.9
76
HHA30-40
3
8
4
69
5
13.2
6.6
81
7.5
19.4-20.4
9.7
90
MOTOR TABLE
Parameter Index
Parameter Function
Setting
4001
PID GAIN
0.7
4002
PID INTEGRATE
5 s
4005
ERROR VALUE INVERTED
0 (No)
4006
UNITS
58 (in H20)
4007
UNIT SCALE
2 (2 DEC)
4008
0% VALUE
0.0 (in H20)
4009
100 % VALUE
25.0 (in H20)
4010
SET POINT SELECT
19 (INTERNAL)
4011
SET POINT
SEE SET POINT TABLE (PG 50)
4014
Feedback Select
1 (ACT1)
4016
ACT-1 Input
2(AI2)
Содержание HHA Series
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