Arrangement; Removing Of U-Shaped Plate; Removing Of Transport Bracket; Restrained Vibration Isolator - Daikin DM AHU Manual

installation and before commissioning.
(See Figure 12)
After removing the transport bracket,
adjust the spring's height accordingly to
ensure the frame
commissioning. Before
adjustment nut, the locking bolt must be
loosened. Turn the adjustment nut bolt
clockwise or anti-clockwise to decrease or
increase the spring's height. Tighten the
locking bolt after
adjustment. (See Figure 13)
Figure 12 – Removing of transport bracket
Figure 13 – Spring Isolator Adjustment

5.4.2 Restrained Vibration Isolator

The following is applied for plenum or
other fan which is using restrained spring
isolator. (See Figure 14). 20mm U-shaped
plates are inserted between top plate and
base plate when shipped out from factory.
(See Figure 15).
Figure 14 – Restrained Spring Isolator
is level before
turning the
completing the
- 5 -
Figure 15 – Removing of U-Shaped Plate
5.5 Arrangement (VRV AHU)
Control box and expansion valve kit are
installed on the air handling unit. Figure
16 and Figure 17 show the proposed
arrangement of component. Item 2, 3, 5,
8 and 10 in Figure 16 and Item 2, 3, 6, 9
in Figure 17 will be supply by factory.
Refer to Installation and Operation manual
of "EKEQMCBAV3 / EKEQFCBA – Option kit
for combination of Daikin condensing units
with air handling
instructions.
Standard Air Series VRV AHU
Figure 16 - Standard Air Series VRV AHU Unit
1. Outdoor unit
2. Control box
3. Air Handling unit
4. Field piping (field supply)
5. Expansion valve kit
6. Outdoor unit power supply
7. Control box wiring
8. Air handling unit thermistors
9. Power supply and control wiring
for air handling unit and controller
10. Air thermistor control for AHU
11. Remote controller
units" for further