Table Des Matières - Daikin UATYQ250MCY1 Manuel D'installation

ECONOMIZER KIT
Introduction
A
Economizer kit is an accessory provided by the factory, but requires fi eld installation. Economizer kit is compatible for R410A
rooftop models. If you are unsure whether this kit can be used with your particular unit, please contact authorized service
division. The economizer kit allows outside air to be mixed with return air for 'free' cooling if the outdoor air temperature is
suitable. Economizer cooling can be used alone or in conjunction with mechanical cooling. Beside that, the economizer
kit can be used as well to provide ventilation air thus can improve indoor air quality. It is vital to do a correct selection on
economizer kit, refer the table below for kit selection guideline:
No. Rooftop Unit Economizer kit which is compatible with
1 UATYQ250
2 UATYQ350
3 UATYQ450
4 UATYQ550
5 UATYQ600
6 UATYQ700
Wrong selection may cause the kit is unable to be assembled with the rooftop unit.
Preinstallation Checking
B
(i) The Contents of Economizer Kit
Before installation, it is recommended to check the contents of the economizer kit after removing the packaging.
The kit includes the following components:
No. Item Description
1 Belimo actuator, LF24-SR
2 Side panel with outdoor air damper
3 Hood, top panel
4 Hood, center panel
5 Hood, bottom panel
6 Hood, side panel left
7 Hood, side panel right
* Support bracket, down throw (item 12) is not available in ECON0700.
Contact authorized service division if accessory is damaged or incomplete.
(ii) Unit Clearance
Provide suffi cient space for air fl ow, servicing and wiring after the kit is mounted on the unit. There shall be no
obstruction of air fl ow in this space. Refer to part (F) under chapter "INSTALLATION OF THE UNIT" in this manual. Fail
to do so may cause low air fl ow or unit malfunction.
28
OPTIONAL ACCESSORY
rooftop unit
ECONO250
ECONO350
ECONO450
ECONO550
ECONO600
ECONO700
Quantity
(set)
2
1
1
1
1
1
1
No. Item Description
8 Filter cover
9 Filter
10 Support bracket, return air damper
11 Return air damper
12 Support bracket, down throw
13 Screw, M5x16
14 Screw, M4x12
Quantity
(set)
1
1
1
1
1
55
4