Haier YR-E12 User manual

YR-E12
OPERATION & INSTALLATION MANUAL
Please read this operation manual before using the air conditioner.
Please keep this manual carefully and safely.
No. 0010573640
Table of Contents
Operation 3-7
Installation Manual For Wire Controller 9-10
Parts and Functions 1-2
Malfunction
8

1
Parts and Functions
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Cautions:
On cooling only unit, heating
mode is not available.
Note:
The above information is the explanation of
the displayed information therefore varies
with those displayed in actual operation.
CLOCK
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TIMER
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Used for unit start and
stop.
POWER ON/OFF
MODE
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FAN SPEED
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CHECK
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2
Parts and Functions
[MODE]
[AUTO]:Auto operation mode.
[FAN ONLY]:air-throwing mode.
[COOL]:Cooling operation mode.
[DRY]:Dehumidification mode.
[HEAT]:Heating operation mode.
[HEAT] [TES]:In heating mode, auxiliary electric heater
is running. Only when the unit with auxiliary electric
heater is in auxiliary electric heating mode, it will display.
[FAN]
[AUTO]:Auto fan running.
[HIGH]:High fan speed.
[MED]:Medium fan speed.
[LOW]:Low fan speed.
[FIX]: Fixed fan speed, it will display only when
fixed fan speed is requested to main indoor unit.
[CENTRAL]:Central control mode.
[OPERATION]:Running mode.
[STAND BY]: Waiting mode.
[PRE-HEAT]: Pre-heating mode.
[DEFROST]: Defrosting mode.
[FILTER]: Request of filter to be cleaned.
[HEALTH]:Health function.
[CEN.ADD]:Central control address, the
address number will display on "88".
[SYS.ADD.]:System address, the address
number will display on "88".
[CHECK]:Auto-diagnostic, trouble shooting.
[DEMAND]:Compulsory operation function,
when it works, [CENTRAL] will flash.
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[SWING][MANUAL]:Swing mode.
[ROOM TEMP.]:Indoor ambient temperature.
[SET TEMP.]:Set admired temperature.
[TIMER]
[ON]:Timer function is on.
[OFF] :Timer function is off.
[ON][OFF] :Timer function ON-OFF.
[ON][OFF][DAILY]:Timer ON-OFF will switch
over in turn daily
[CLOCK]:Clock display, the displaying time is the
current time of the clock.
[UP],[DOWN]:Indicator of filter elevating.
[VENTILATION]
[AUTO]:Auto ventilation mode.
[RECOVERY]:Fully heat exchanging ventilation
mode.
[NORMAL]:Normal ventilation mode.

Operation
3
2
3
1,4
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FAN ONLY OPERATION:
1)Start up operation: press the button of ON/OFF, the system will start up, and will display on LCD.
2)Select MODE: press the MODE button, then you will see in the display section [MODE] switch over in
below sequence:[FAN ONLY] [COOL] [DRY] [HEAT] [AUTO] [FAN ONLY]. Select [FAN
ONLY].
3)Select fan speed: press FAN button, then you see in the display section [FAN] switch over in below
sequence: [HIGH] [MED] [LOW] [HIGH]. Select proper fan speed.
4)Power off: press ON/OFF button, indoor unit will be powered off, there are only time and the ambient
temperature in the screen.

Operation
4
2
3
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4
5
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AUTO operation, COOLING, HEATING and DEHUMIDIFICATION operation
1) Start up operation: press the button of ON/OFF, the system will start up, and will display on LCD.
2) Select MODE: press the MODE button, then you will see in the display section [MODE] switch over
in below sequence:[FAN ONLY] [COOL] [DRY] [HEAT] [AUTO] [FAN ONLY]. Select
[COOL].
3) Change set temperature: press TEMP + or ñ every time, [SET] will display, and set temperature will
increase/reduce 1 C( F).
4) Select fan speed: press FAN button, then you see in the display section [FAN] switch over in below
sequence: [HIGH] [MED] [LOW] [HIGH]. Select proper fan speed.
5) Select [SWING]: press [SWING] button, [SWING] will display, swing function is valid, press again,
[SWING] will disappear, swing function is invalid.
6) Set [HEALTH]: used to set the indoor health function. Press it once, [HEALTH] will display in the
display section, then indoor health function is valid. Press it again, [HEALTH] will disappear, then the
health function is invalid.
This function is valid only for the unit with health function.
7) Power off: press ON/OFF button,
indoor unit is powered off. There are
only time and the ambient temperature
in the screen.

Operation
5
Set TIMER operation:
Adjust clock: when powered on, for the first time to set timer function, the clock will be adjusted.
Press ìCLOCKî button, and set the current clock. Now, ìCLOCKî will flash at the frequency of 2Hz every
minute. Press the clock +/- button; the current clock can be adjusted. Until the proper time comes, press [SET].
TIMER ON operation:
Press TIMER button, and keep pressing it, in the display section [TIMER]
will switch over in below sequence: [ON] [OFF] [ON][OFF]
[ON][OFF][DAILY] [ ]. Select [TIMER] [ON], then [TIMER] [ON]
flashes, press the clock +/- button to adjust the time of TIMER ON,
press [SET] button.
TIMER OFF operation:
Press TIMER button, and keep pressing it, in the display section [TIMER] will switch over in below sequence:
[ON] [OFF] [ON][OFF] [ON][OFF][DAILY] [ ]. Select [TIMER] [OFF], then [TIMER] [OFF]
flashes, press the clock +/- button to adjust the time of TIMER OFF, press [SET] button.
TIMER ON-OFF operation:
Press TIMER button, and keep pressing it, in the display section [TIMER] will switch over in below sequence:
[ON] [OFF] [ON][OFF] [ON][OFF][DAILY] [ ]. Select [TIMER] [ON] [OFF]. Firstly, [TIMER][ON]
flashes, press the clock +/- button to adjust the time of TIMER ON, press [SET]. [TIMER][ON] will be
constant on. Then [TIMER] [OFF] flashes, press the clock +/- button to adjust the time of TIMER OFF, press
[SET]. The time sequence of timer on and timer off will determine the mode is [TIMER] [ON] [OFF] or
[TIMER] [OFF] [ON].
Note: 1. If the two times are the same, the unit will adjust the state after set time arrives according to the
current state. If current state is in running mode, after set time arrives the unit will switch to ìpower offì state.
If current state is in ìpower offî mode, after set time arrives, the unit will switch to running mode.
2. When in TIMER setting state, if you do not input any button in continuous 10 seconds, the unit will think
[SET] pressed.
Cancel TIMER operation:
In the timer operation state, press [TIMER] button, the unit will quit from the current timer operation state,
and the set data will be memorized, then enter the next timer mode.
After timer be set, press ON/OFF to cancel timer mode. When in running again, timer mode will be continuous
(without timer).
[FILTER] function
When the wired controller receives the filter-cleaned signal from indoor unit, [FILTER] will display. After
finishing clean, press [FILTER], the sign [FILTER] disappears, and the controller will send the filter reset
signal to indoor unit.
When the sign [FILTER] not display, it is invalid to press [FILTER] in short time.
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Operation
6
DEMAND operation function:
In the stop state of cooling mode, press [ON/OFF] button for 5 seconds to
enter [DEMAND] cooling operation state, the sign [DEMAND] will
display. In the 7-segmet liquid crystal screen of set temp. section, ì0î
will display in first position, which shows that No. 0 indoor unit has
enter demand operation. In the second position, ìLî will display, in
the meantime, [COOL] will flash, [FAN][AUTO] is constant on.
Press TEMP [+] [-] to set different indoor unit. Press [ON/OFF] to
cancel [DEMAND] operation.
In the stop state of heating mode, press [ON/OFF] button for 5
seconds to enter [DEMAND] heating operation state, the sign
[DEMAND] will display. In the 7-segmet liquid crystal screen of set temp. section, ì0î will display in first
position, which shows that No. 0 indoor unit has enter demand operation. In the second position, ìHî will
display, in the meantime, [HEAT] will flash, [FAN][AUTO] is constant on. Press TEMP [+] [-] to set different
indoor unit. Press [ON/OFF] to cancel [DEMAND] operation.
VENTILATION mode (only for the unit with fresh air function or heat recovery function)
Press [RECOVERY] button, then the unit will switch over the ventilation mode:
[ ] [VENTILATION][AUTO] [VENTILATION][RECOVERY] [VENTALATION][NORMAL] [
], please select appropriate ventilation mode.
Query indoor malfunction history:
In the state of power on or power off, press [CHECK] button, enter the malfunction-querying mode of all
indoor units in the group. Then [CHECK] and [UNIT NO.] will display, and the actual indoor numbers will
be displayed in some sequence (unit number is in decimals). At the same time, in the time region, there will
be the current malfunction and the latest time malfunction, the displaying format is [XX:YY], in which XX
stands for the current malfunction, if normal, it will display ì--î; YY stands for the latest time malfunction.
The failure code of every unit will display for 3 seconds. After the failure codes of all indoor units in the
whole group are displayed, the mode will quit automatically.
Clear abnormal state and malfunction history:
In normal state, press [CHECK] button for 5 seconds to clear abnormal states, at the same time, wired
controller will send the data of ìclear abnormal stateî, but the malfunction history still retains.
In normal state, press [CHECK] button for 15 seconds, except for malfunction states, the malfunction history
in wired controller will be cleared.
FILTER ELEVATING function: (only for the unit with elevating function)
In power off state, press [FILTER] for 5 seconds to enter filter elevating set state. In this state, the sign
[FILTER] will flash at the frequency of 2Hz. By pressing [+] TEMP [-], filter can go up or down. Press TEMP
[+], in timer section [UP] will display, while press TEMP [-], in timer section [DOWN] will display. Press
[FILTER] button to quit the mode.

Operation
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Y ZZZ Type
A Indoor capacity (W) Nominal cooling capacity/10, decimal
B Request of indoor capacity(Hz) Actual value, decimal
C Temperature of indoor ambient temp. sensor TA Actual value, decimal
d Temperature of indoor gas pipe sensor TC1 Actual value, decimal
E Temperature of indoor liquid pipe sensor TC2 Actual value, decimal
F Open degree of indoor PMV Actual value, decimal
g Preset ---
H Outdoor total capacity Actual value, decimal
In check mode, press [CHECK] to quit the check mode, and go into normal running mode.
Query indoor performance state:
In normal state, press both buttons of [CHECK] and [FILTER] for 5 seconds, in the set temperature
region in the screen, [XX] will display, XX is indoor number, which can be selected by pressing [TEMP]
[+] [-]. In the timer region in the screen, [YZZZ] will display, in which Y stands for data type, ZZZ
stands for the corresponding data. which can be selected by pressing [CLOCK] [+] [-].

Failure description
Room temp. sensor abnormal
Indoor coil temp. sensor abnormal
Outdoor coil temp. sensor abnormal
Over-current malfunction
Communication malfunction between indoor and wired controller
Communication malfunction between indoor and outdoor abnormal
Coil gas pipe temp. Sensor abnormal
Code on wired Flash times of indoor
controller receiver board
01 Power LED flashes 1 time
02 Power LED flashes 2 times
4A Power LED flashes 3 times
49 Power LED flashes 4 times
48 Power LED flashes 5 times
53 Power LED flashes 6 times
07 Power LED flashes 8 times
06 Power LED flashes 9 times
03 Power LED flashes 12 times
Outdoor temp. sensor abnormal
High / Low pressure abnormal
Temperature protection malfunction 0D Power LED flashes 13 times
Drainage system malfunction 08 Power LED flashes 10 times
05 Running LED flashes 15 times
Indoor EEPROM abnormal
N/A 0B Power LED flashes 11 times
8
Malfunction

9
Installation Manual For Wire Controller
1.Switch over method: wired control master unit/wired control slave unit/remote control unit
Control method Wired control master unit Wired control slave unit Remote control unit
Socket
/jumper
CN23 Short circuit Not short circuit Not short circuit
CN30 Short circuit Short circuit Not short circuit
CN21 Blank Blank To remote receiver board
J9 Short circuit Short circuit Cut circuit
Signal terminal block A,B,C connected to B,C connected to A,B,C not connected
wired controller wired controller to wired controller
Function difference between master wired controller and slave one:
Contrastive items Master wired controller Slave wired controller
Function All of functions Only with below functions: ON/OFF, MODE,
FAN SPEED, SET TEMP., SWING
2. Wiring connections of wired controller:
1 2 3 1 2 3 1 2 3 1 2 3 1 2 3
Indoor 16Indoor 15Indoor NIndoor 2Indoor 1
Wired controller Wired controller Wired controller Wired controller Wired controller
(master unit)
A B C
Wired controller
Control wiring of
wired controller,
polar.
1 2 3
Indoor 1
Wired controller
A B C
Wired controller
Poler wire 1 2 3
Indoor 1
Wired controller
A B C
Wired controller
Poler wire
A B C
Wired controller
Poler wire
A
B C
There are three methods to connection wired controller and the indoor units:
A.One wired controller can control max. up to 16 sets of indoor units, and 3 pieces of polar
wire must connect the wired controller and the master unit (the indoor unit connected with wired
controller directly), the others connect with the master unit through 2 pieces of polar wire.
B. One wired controller controls one indoor unit, and the indoor unit connects with the wired
controller through 3 pieces of polar wire.

10
Connected Cut off
J1 Remote control Wired control
J2 In heating mode, with temperature compensation Without temperature compensation
J4 Heat pump Cooly only
J7 Sychronous motor swing Stepping motor swing
J9 Master unit Slave unit
Note:
Installation Manual For Wire Controller
C. Two wired controllers control one indoor unit. The wired controller connected with indoor unit
is called master one, the other is called slave one. Master wired controller and indoor unit; master
and slave wired controllers are all connected through 3 pieces of polar wire.
3. Communication wiring:
The wired controller is equipped with special communication wiring in the accessories. 3-core
terminal (1-white 2-yellow 3-red) is connected with the terminal A, B, C of wired controller
respectively.
The communication wiring is 4 meter long; if the actual length is more than it, please distribute
wiring according to below table:
Communication wiring length(m) Dimensions of wiring
< 100 0.3mm2x3-core shielded wire
100 and <200 0.5mm2x3-core shielded wire
200 and <300 0.75mm2x3-core shielded wire
00 and <400 1.25mm2x3-core shielded wire
400 and <600 2mm2x3-core shielded wire
*One side of the shielded sheet of communication wire must be earthed.
The indoor PCB(0010451167) is matched with this wired controller (0010451521)which can be set
according to below table:
When the wired controller controls several indoor units, there is only one Master unit, and other can
be set as Slave unit.
The wired controller must be used with cooperation with indoor unit. When wired control type is selected,
the function of indoor unit must be adjusted (after power cut off).