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www.DaikinApplied.com 111
IM 893-10 • ROOFPAK SINGLEZONE UNITS
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When all start-up procedures are completed, set the controls
and program the MicroTech III controller for normal operation.
Use the following list as a guide; some items may not apply to
your unit. For more detail, see
1. Turn system switch S1 to ON and S7 to AUTO.
2. Turn gas furnace switch S3 to AUTO or turn electric heat
switch HS1 to ON.
3. Set the electromechanical (Honeywell H205) enthalpy
control (OAE) as required (A, B, C, or D). Set the solid-
state (Honeywell H705/C7400) enthalpy control (OAE/
RAE) past D.
4. Set the heating and cooling parameters as required for
normal unit operation.
a.
Main Menu\View\Set Unit\Cooling\Occ Clg Spt &
DAT Clg Spt.
b.
Main Menu\View\Set Unit\Heating\Occ Htg Spt &
DAT Htg Spt.
5. Set the low ambient compressor lockout setpoint as
required in menu,
Main Menu\Commission Unit\Cooling
Setup\Clg Lo Oat Lk =
. Do not set it below 50°F (10°C)
unless the unit is equipped for low ambient operation.
6. Set the high ambient heat lockout temperature setpoint,
Main Menu\Commission Unit\Heating Setup\Htg Hi OAT
Lk
as required.
7. Set the alarm limits as required in
Main Menu\
Commission Unit\Alarm Configurations\Alarm Limits.
8. Set the compressor lead/lag function as desired using
keypad menu
Main Menu\Commission Unit\Cooling
Setup\Lead Circuit
and
Main Menu\Commission Unit\
Cooling Setup\Staging Type.
Refer to “Compressor
Staging” in
.
CAUTION
If the unit has hot gas bypass on circuit #1 only, lead circuit
must always be #1.
9. Set the duct static pressure control parameters as
required in keypad menu
Airflow\Duct Pressure\
.
10. Set the building static pressure control parameters as
required in keypad menu
a.
Main Menu\View\Set Unit\RF/EF Control\Bldg
SP Spt
.
b. If RF/EF Control = Tracking, then set the fan
tracking parameters as required in keypad menu.
Main Menu\ Commission Unit\RF\EF Setup\ Sup
Fan Max, RF @ SF Max, Sup Fan Min, RF @ SF
Min.
11. Set the economizer control parameters as required in
keypad menu
Main Menu\View\Set Unit\Economizer\
OAD/Econo Pos.
12. Set the control timers as required in keypad menu
Main
Menu\Commission Unit\Timer Settings
.
a. Set the date and time in keypad menu
Setup/
Service\Time/Date\.
b. Set the operating schedule as required using
keypad menus.
Main Menu\View\Set Unit\Date\
Time\Schedules.
NOTE:
Note: When used with a Building Automation System,
these settings may need to be kept at the default of
no schedule:
Maintaining Control Parameter Records
Daikin recommends that the MicroTech III controller’s setpoints
and parameters be recorded and saved for future reference. If
the Microprocessor Control Board requires replacement, this
record facilitates entering the unit’s proper data. The following
tables display all the setpoints, monitoring points, and program
variables offered by MicroTech III plus the keypad road map
used to find each parameter.
A number of menus and menu items that appear on the unit
keypad/display are conditional and may not apply to a specific
unit, depending on the unit software configuration. The unit
software configuration is defined by a “Software Configuration
Code” shown on a label located near the keypad/display. The
Software Configuration Code also can be displayed via the
six menu items in the Config Code menu on the unit keypad/
display. Refer to
The shaded menus and menu items in
starting
are conditional. A conditional menu or menu
Software Configuration Code upon which its applicability
depends. For example, the Duct Pressure menu in
includes a notation [14=1 or 2]. This notation means that the
Duct Pressure menu (and all its menu items) applies to the
specific unit only if position 14 in its Software Configuration
Code is a 1 or a 2. Otherwise, the menu or menu item is not
applicable to the unit and does not affect its operation.
The items in
include the factory-set value for all
adjustable items.
NOTE:
Keep a record of any changes made to any of these
items.
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