Installation manual
17
3) The branching pipe must be installed horizontally, error angle
of it should not large than 10°. Otherwise, malfunction will be
caused
.
Table.7-1
U-shaped branching pipe
$
A direction view
Wrong
Correct
1 0 e
Horizontal surface
1 0 e
Fig.6-11
7. ELECTRIC WIRING
7.1 Sw1 query instructions
Total capacity requirement
of
No.
Display content (Normal
display)
Note
1
Main unit address
0,1,2,3
2
Main
unit capacity
8,10,12
3
Modu
lar main unit qty.
Available for
main unit
4
Total
capacity of main unit
Capacity
requirement
5
indoo
r unit
Available for
main unit
6
Total corrected capacity
requi
rement of main unit
Available for
main unit
7
Operation mode
0,2,3,4
8
The actual operation
capacity
of this main unit
Capacity
requirement
9
Water flow switch state
0-Open
1-Close
10
T2B/T2 average temp.
Actual value
11
T5 inverter module temp.
Actual value
12
T7 discharge temp. of
inverter
compressor
Actual value
13
TSJ water inlet temp.
Actual value
14
TSC1 water outlet temp. of
upper pipe.
Actual value
15
TSC2 water outlet temp.of
lower pipe
Actual value
16
Current 1 of inverter
compressor
Actual value
17
Current 2 of inverter
compressor
Actual value
18
High pressure
Display value×0.1MPa
19
Low pressure
Display value×0.01MPa
20
Opening angle of EXV A
Display value×8
21
Opening angle of EXV B
Display value×8
22
Priority mode
0,1,2,3,4
23
Qty. of communicating
Indoor units
Actual value
24
Qty. of installed indoor
units
Actual value
25
The last time malfunction
or the protective code
Without protection or
error display code 00
26
-
Check end
