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a
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Overview
Macros change a group of parameters to new, predefined
values designed for specific applications. Use macros to
minimize the need for manual editing of parameters . Selecting
a macro sets (always use HVAC Defaults) all other parameters
to their default values, except:
• Group 99: Start-up Data parameters (except parameter
9904)
• The PARAMETER LOCK 1602
• The PARAM SAVE 1607
• The COMM FAULT FUNC 3018 and COMM FAULT TIME
3019
• The COMM PROT SEL 9802
• Groups 51…53 serial communication parameters
• Group 29: Maintenance triggers
After selecting a macro, additional parameter changes can be
made manually using the control panel .
Application macros are enabled by setting the value for
parameter 9902 APPLICMACRO . By default, HVAC Default
(value 1) is the enabled macro .
General Considerations
The following considerations apply for all macros:
• When using a direct speed reference in AUTO mode,
connect the speed reference to analog input 1 (AI1),
and provide the START command using digital input 1
(DI1) . In HAND/OFF mode, the control panel provides the
speed reference and START command .
• When using process PID, connect the feedback signal
to analog input 2 (AI2) . As a default, the control panel
sets the Setpoint, but analog input 1 can be used as
an alternate source . You can set up process PID using
parameters (Group 40) or using the PID control assistant
(recommended) .
Table 2: Application/Macro Listing
This describes the following macros:
9902 Value
Macro
1
HVAC Default**
2
Supply Fan
3
Return Fan
4
Condenser
6
Booster Pump
7
Pump Alternation
8
Internal Timer
9
Internal Timer with Constant Speeds
10
Floating Point
11
Dual Setpoint PID
12
Dual Setpoint PID with Constant Speeds
13
E-bypass
14
Hand Control
15
E-Clipse
** Daikin users must use the HVAC Defaults
a
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M
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9
OM 1191 • MD5 VFD
Содержание MD5
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