Haier AV26NMVERA [467/531] Sw1 1 sw1 2

Haier AV26NMVERA [467/531] Sw1 1 sw1 2
468
SW4-6
outdoor unit No.
SW4-7 SW4-8
1
2
3
4
5
6
7
8
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
SW4-5
0
1
SW4-5, 6, 7, 8 used to set outdoor unit No. and outdoor unit No. lock
searching outdoor
after being electrified
begin to search outdoor
stop searching outdoor and lock the outdoor quantity
The above functions are set in the communication chip 849.
SW1: 8-bit dip switch
SW1-1
SW1-2
Defrosting
condition a
selection
SW1-1 SW1-2
0
0
1
1
0
1
0
1
8(E)
10(E)
6(E)
6(E)
0
1
SW1-3
SW1-4
SW1-5
0
1
0
1
SW1-6
0
1
SW1-7
SW1-8
remarks
High ESP
operation setting
Sensor backup
running
Forbidden to heat
when outdoor temp.
over 25degree
Alarm of lack of
phase
unit starts up when oil
temp. is too low
Pre-set
pre-set
allowable
forbidden
0
1
allowable
forbidden
Note: Backup running
a. When one outdoor unit occurs failure, if the unit meets the backup running condition, and set
the backup running by hand, the unit will enter backup running.
b. Backup running condition:
One sensor occurs abnormal, enters the backup running; but if the abnormal sensors are more
than two, the unit can not enter backup running, and need to be maintained. In heating mode, the
4-way valve must be close, or the unit can not enter backup running. In the course of backup running
in heating mode, 4-way valve can not be cut off power.
pre-set
pre-set
pre-set
pre-set
pre-set

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