Johnson Controls YVAHP072B31S, Service Manual

Page: 231 / 1796

Service Manual
1-215
INSTALLATION
3. Select the installation location as follows:
x
Minimum Space
x
Down slope gradient for drain piping: 1/25 to 1/100
It is recommended that the indoor unit be
LQVWDOOHGDWIWPIURPÀRRUOHYHO
(Unit Height in False Ceiling)
Clearance
Down Slope
Gradient: 1/25 to 1/100
Drain Piping
012 to 018 Type: 9-3/4 (248)
024 to 036 Type: 11-23/32 (298)
Minimum 13/32 (10)
Unit: inch (mm)
4. &RQVLGHUWKHDLUGLVWULEXWLRQIURPWKHLQGRRUXQLWWRWKHVSDFHRIWKHURRPDQGVHOHFWDVXLWDEOHORFDWLRQ
VRWKDWXQLIRUPDLUWHPSHUDWXUHLQWKHURRPFDQEHREWDLQHG,IWKHXQLWLVLQVWDOOHGRQDKLJKFHLOLQJLWLV
also recommended that a three-way Outlet Parts Set (optional) be utilized so that uniform air distribution
can be achieved.
5. Install the unit where there are no obstacles which can impede the suction air and discharged air.
6. Do not install the unit near a door or a window where the indoor unit come into contact with humid
RXWVLGHDLU2WKHUZLVHFRQGHQVDWLRQPD\RFFXU
7. In the event that temperature and humidity levels inside the ceiling exceed 86
o
F (30
o
C)/RH (Relative
+XPLGLW\DSSO\DGGLWLRQDOLQVXODWLRQPDWHULDOVWRWKHH[WHUQDOVXUIDFHRIWKHLQGRRUXQLWWRDYRLG
condensation.
8. ,ILQVWDOOLQJWKHLQGRRUXQLWWRDKLJKFHLOLQJWKHZDUPHGDLUZLOOUHPDLQQHDUWKHFHLOLQJGXULQJKHDWLQJ
RSHUDWLRQ7KXVDSDUDOOHOLQVWDOODWLRQRIDFLUFXODWRULVUHFRPPHQGHG
9. 'RQRWLQVWDOOWKHLQGRRUXQLWZKHUHDLUÀRZIURPWKHDLURXWOHWEORZVGLUHFWO\RQWRWHPSHUDWXUHGHWHFWLRQ
devices such an alarm device or a control device. It can result in a failure of either device.
10. The live sensor area of the motion sensor is shown below when applying the motion sensor with the
decorative panel.
11. 'RQRWLQVWDOOWKHLQGRRUXQLWZKHUHDLUÀRZIURPWKHDLURXWOHWEORZVGLUHFWO\RQWRWHPSHUDWXUHVHQVLQJ
devices such as an alarm device or a control device. This can result in false readings and an alarm
failure.
NOTE:
7KHUHPXVWEHVXI¿FLHQWVWUXFWXUDOLQWHJULW\WRVXSSRUW
the weight of the unit. The designated ceiling surface
area should allow for additional space for the optional
decorative panel installation. Do not install against any
sloped ceiling areas as the tilted axis will interfere with
WKHSURSHUÀRZDQGGLVSRVDORIPRLVWXUH
Model
012 to 024
Type
030 and 036
Type
Installation Height
RI,QGRRU8QLWK
ft
(m)
8.9
(2.7)
10.5
(3.2)
Detecting Area
'LDPHWHU
I
D
ft
(m)
Approx. 23
(Approx. 7)
Approx. 28.9
(Approx. 8.8)
Motion Detection Human Motion
φ
a
h
Motor Sensor
Detection Area
Motion/
Radiation
Sensor
2.6 ft (0.8m)
Above Floor
Radiation Temp.
Detection Area