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YORK, A Johnson Controls Company
2F_2 , ,#3
This group defines a set of constant speeds. In general:
•
You can program up to 7 constant speeds, ranging from 0…500 Hz or 0…30000
rpm.
•
Values must be positive (No negative speed values for constant speeds).
•
Constant speed selections are ignored if:
– the torque control is active, or
– the process PID reference is followed, or
– the drive is in local control mode, or
– PFA (Pump and Fan Alternation) is active
2,8
Parameter 1208
CONST SPEED
7 acts also as a so-called fault speed which
may be activated if the control signal is lost. Refer to parameter 3001
AI
<
MI FUNCTION
and parameter 3002
PANEL COMM ERROR
. For HVAC, do not set speeds over 60 Hz.
2F_2 , ,#3
23 =,2
! 7
!2,2
4,
#
1201
&#'#%#"
]k
3
9
Defines the digital inputs used to select Constant Speeds. See general comments in the introduction.
0 =
NOT SEL
– Disables the constant speed function.
1 =
DI
1 – Selects Constant Speed 1 with digital input
DI
1.
• Digital input activated = Constant Speed 1 activated.
2…6 =
DI
2…
DI
6 – Selects Constant Speed 1 with digital input
DI
2…
DI
6. See above.
7 =
DI
1,2 – Selects one of three Constant Speeds (1…3) using
DI
1 and
DI
2.
• Uses two digital inputs, as defined below (0 =
DI
de-activated, 1 =
DI
activated):
• Can be set up as a so-called fault speed, which is activated if the control signal is lost. Refer to parameter 3001
AI
<
MIN
function and parameter 3002
PANEL COMM ERR
.
8 =
DI
2,3 – Selects one of three Constant Speeds (1…3) using
DI
2 and
DI
3.
• See above (
DI
1,2) for code.
9 =
DI
3,4 – Selects one of three Constant Speeds (1…3) using
DI
3 and
DI
4.
• See above (
DI
1,2) for code.
10 =
DI
4,5 – Selects one of three Constant Speeds (1…3) using
DI
4 and
DI
5.
• See above (
DI
1,2) for code.
11 =
DI
5,6 – Selects one of three Constant Speeds (1…3) using
DI
5 and
DI
6.
• See above (
DI
1,2) for code.
*
*
F
\ =,2
0
0
No constant speed
1
0
Constant speed 1 (1202)
0
1
Constant speed 2 (1203)
1
1
Constant speed 3 (1204)
Содержание York AYK550
Страница 254: ...G YORK A Johnson Controls Company Bypass Package Components Note Solution AHU Does Not have VFD Input Service Switch...
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Страница 269: ...YORK A Johnson Controls Company G Fig 11 J 8 8 94 7...
