Initial Manual Mode Start-Up; Oa Damper Start-Up - Daikin Rebel Applied DPSA Installation And Start-Up Manual

Initial Manual Mode Start-Up

Initial Start-up should be performed in manual control mode
before proceeding to the cooling/heating start up.
Power Up
1. Close the unit disconnect switch. With the control system
switch in the OFF position, power should be available
only to the control circuit transformer (T1) and the
compressor crankcase heaters.
2. Turn the Switch to ON. Power should now be supplied to
the control panel, and the LEDs on MCB1 should follow
the normal startup sequence.
Supply Fan Start-up
1. Verify all duct and unit mounted isolation dampers are
open.
2. Place the unit into Manual Contorl Mode through the
Main Menu\Manual Control\Manual Ctrl =
keypad menu
Manual
3. Activate the Fan through the keypad menu
Manual Control\Supply Fan = On
40%
a. Check Fan rotation for proper rotational direction
4. Speed the fan Up through the keypad menu
Manual Control\SAF Cap Cmd = 100%
a. Check the manual motor protectors or that the
circuit breakers have not tripped.
b. Check the phase monitor.
5. Verify the DHL safety, if included, is opening at a
pressure compatible with duct working pressure limits.
NOTE: Supply and return or exhaust fans should be adjusted
for proper airflow during air balancing.
See "Air Balancing" on page 46
IM 1287 • REBEL APPLIED ROOFTOP
Main Menu\
SAF Cap Cmd =
; Set
Main Menu\

OA Damper Start-up

1. Check whether the outdoor air is suitable for free cooling
by displaying the keypad menu
Control\OA Damper Position=30%.
a. Verify that the OA damper position moved and the
Return air damper (if present) also moved.
b. Leave OA damper Open for next step
Return/Exhaust Fan Start-up
1. Verify all duct and unit mounted isolation dampers are
open.
2. Activate the Fan through the keypad menu
Manual Control\Ret/Exh Fan = On
40%
a. Check Fan rotation for proper rotational direction
3. Speed the fan Up through the keypad menu
Manual Control\Set Ret/Exh Fan Cap Cmd = 100%
a. Check the manual motor protectors or that the
circuit breakers have not tripped.
b. Check the phase monitor.
4. Verify the DHL safety, if included, is opening at a
pressure compatible with duct working pressure limits.
NOTE: Supply and return or exhaust fans should be adjusted
for proper airflow during air balancing.
See "Air Balancing" on page 46
Leaving Manual Control when complete through the keypad
Main Menu\Manual Control\Manual Ctrl = Normal
menu
42
Unit Operation
Main Menu\Manual
Main Menu\
Ret/Exh Fan Cmd =
;Set
Main Menu\
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