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6-7. Applied control for Outdoor Unit
The outdoor fan high static pressure support and priority operation mode setting (cooling / heating / number of units
/ or priority indoor unit) functions are made available by setting relevant switches provided on the interface P.C.
board of the outdoor unit.
6-7-1. Outdoor Fan High Static Pressure Shift
Purpose/characteristics
This function is used when connecting a duct to the discharge port of an outdoor unit (as part of, for example, unit
installation on the floor by floor installation.)
Setup
Turn ON the DIP switch [SW10, Bit 2] provided on the interface P.C. board of the outdoor unit.
This function must be enabled with every discharge duct connected outdoor unit for both of the header and follower
units.
Specification
Increase the speed of the propeller fan units on the outdoor fan to allow the installation of a duct with a maximum
external static pressure not greater than specified in the table below. If a discharge duct with a resistance greater
than 15 Pa (1.5 mmAq) is to be used, enable this function. The maximum external static pressures of base units
are shown below (Table 1). In the case of combined use of multiple outdoor units, set all the units to the same
maximum external static pressure as the one with the lowest maximum external static pressure (see table2).
Table 1: Maximum External Static Pressures of Base Outdoor Units
M
o
d
l e
Maximum external static pressure
(*) Outdoor unit air flow
(*) Calculate duct resistance from outdoor unit air flow.
Table 2: Maximum External Static Pressures for Combined Use of Base Units
(1) Standard models
Model
Combined
horsepower output
MMY-
8
MAP0804
10
MAP1004
12
MAP1204
14
MAP1404
16
AP1614
18
AP1814
20
AP2014
22
AP2214
24
AP2414
26
AP2614
28
AP2814
30
AP3014
32
AP3214
34
AP3414
36
AP3614
38
AP3814
40
AP4014
42
AP4214
44
AP4414
46
AP4614
48
AP4814
M
M
- Y
M
A
P
0
8
0
4
MAP1004
(Pa)
60
(m3/h)
9900
C
o
m
Unit 1
Unit 2
MAP0804
MAP1004
MAP1204
MAP1404
MAP0804
MAP0804
MAP1004
MAP0804
MAP1004
MAP1004
MAP1204
MAP1004
MAP0804
MAP0804
MAP1004
MAP0804
MAP1004
MAP1004
MAP1004
MAP1004
MAP0804
MAP0804
MAP1004
MAP0804
MAP1004
MAP1004
MAP1004
MAP1004
MAP1004
MAP1004
MAP1204
MAP1004
MAP1204
MAP1204
MAP1204
MAP1204
MAP1204
MAP1204
– 100 –
MAP1204
60
50
10500
11600
b
n i
t a
o i
n
f o
o
u
d t
o
r o
u
n
s t i
Unit 3
MAP0804
MAP0804
MAP0804
MAP1004
MAP0804
MAP0804
MAP0804
MAP1004
MAP1004
MAP1004
MAP1004
MAP1204
MAP1204
MAP1404
MAP1604
40
40
12000
13000
M
a
i x
m
u
m
static pressure
Unit 4
(Pa)
60
60
50
40
60
60
60
50
60
60
60
60
MAP0804
60
MAP0804
60
MAP0804
60
MAP0804
60
MAP1004
60
MAP1004
50
MAP1004
50
MAP1004
50
MAP1204
50
e
x
e t
n r
l a
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