Fisher FSL-850B-H-3F User manual

Installation and Operation Manual
Operation Manual of The Ducted Split Type
Air-Conditioning Units
FSL-850B-H-3F
FSOL-850B-3F
Please read this manual carefully before using this product and keep it properly for future reference.

PREFACE
FISHER FS series ducted air-conditioning units are elaborately designed and produced with high
quality, reliability and adaptability.
Please read this instruction thoroughly before operation and maintenance.
The installation should be carried out by the qualied service technicians.
FISHER will not be responsible for the personal injury or property damage resulting from improper
installation and adjustment, unnecessary maintenance and those do not follow the instructions in this
manual.
The scope of guarantee must accord with the following items:
The rst start-up should be carried out by qualied service technicians appointed by the service
center of FISHER.
The components of air-conditioning units should only be provided by FISHER Company. The
specied time and frequency of the operation and maintenance items in this manual should be strictly
executed.
Any violation of the precedent items will lead to the invalidation of guarantee.
R410A(R32/125: 50/50)
GWP:1900

CONTENTS
1 SAFETY PRECAUTIONS .................................................................................................1
1.1 Safety notice ..............................................................................................................1
1.2 Power supply demand ................................................................................................1
2 DISPLAYING PART ..........................................................................................................2
2.1 LCD Display of Wired Controller...............................................................................2
2.2 Instruction to LCD Display.........................................................................................3
3 BUTTONS ..........................................................................................................................4
3.1 Silk Screen of Buttons ................................................................................................4
3.2 Instruction to Function of Buttons ..............................................................................4
4 INSTALLATION OF WIRED CONTROLLER AND PROJECT DEBUGGING.............5
4.1 Installation of Wired Controller..................................................................................5
5 INSTRUCTION TO OPERATION ....................................................................................6
5.1 On/Off .........................................................................................................................6
5.2 Mode Setting...............................................................................................................6
5.3 Temperature Setting . ..................................................................................................6
5.4 Fan Speed Setting ......................................................................................................7
5.5 Swing Control Function *..........................................................................................7
5.6 Timer Setting...............................................................................................................8
5.7 Air Exchange Setting * ................................................................................................................... 9
5.8 Sleep Setting .............................................................................................................10
5.9 Turbo Function Setting *.............................................................................................................. 11
5.10 Save Function Setting ............................................................................................12
5.11 E-heater setting *.......................................................................................................................... 13
5.12 Blow Function Setting ...........................................................................................14
5.13 Quiet Function Setting * ............................................................................................................ 15
5.14 Debugging Functions..............................................................................................16
5.15 Other Functions.......................................................................................................17
6 ERROR DISPLAY............................................................................................................18
7 NAMES AND FUNCTIONS OF REMOTE CONTROL BUTTONS.............................20
7.1“ON/OFF” button.......................................................................................................20
7.2 “Mode” button .........................................................................................................20
7.3 “+” 、“–” button......................................................................................................20
7.4“FAN” button .............................................................................................................21
7.5 Up/Down button *....................................................................................................21
7.6 Left/Right button *...................................................................................................21
7.7“SLEEP” button.........................................................................................................21
7.8“TIMER” button ........................................................................................................21
7.9“TURBO” button * ....................................................................................................21
7.10“BLOW” button.......................................................................................................21
7.11“Light” button * .......................................................................................................21
7.12“Temp” button *.......................................................................................................22
7.13“HEALTH |SAVE” button * ....................................................................................22
8 CHANGING BATTERIES AND NOTICES....................................................................22

9 WEEKLY TIMER FUNCTION........................................................................................23
9.1 7DP - Seven days programmer (Accessory not supplied) ........................................23
9.2 Install the weekly timer function ..............................................................................25
10 INSTALLATION INSTRUCTION.................................................................................26
10.1 Selection proper installation location .....................................................................26
10.2 Install the indoor unit .............................................................................................26
10.3 Install the outdoor unit ...........................................................................................31
10.4 Electric wiring ........................................................................................................35
11 TRIAL RUN AND INSTALLATION CHECKING .......................................................37
11.1 Trial run ..................................................................................................................37
11.2 Checking items after installation.............................................................................37
11.3 Checking items after installation.............................................................................37
12 CARE AND MAINTENANCE ......................................................................................38
13 APPENDIX.....................................................................................................................39

1
1 SAFETY PRECAUTIONS
1.1 Safety notice
Before using the appliance, read this manual thoroughly and operate under its direction.
“WARNING” and “ATTENTION” have the following meanings in these instructions:
WARNING This mark indicates procedures, which if improperly performed, might lead to the
death or serious injury of the users.
ATTENTION This mark indicates procedures, which if improperly performed, might possibly
result in personal injury to the user, or damage to property.
WARNING
Do not use or place combustible and explosive gas or liquid near the air conditioner.
To optimize the life of the appliance, do not install the air-conditioning unit by yourself.
Do stop operation and turn off the power supply immediately in the event of a malfunction
(burning smell, etc.).
Don’t remove the fan guard and not insert ngers or objects into the outlet ports of the indoor and
outdoor unit.
Do not check or x the air-conditioning unit while it is running.
Do not pour water into the air-conditioning unit and not operate it with a wet hand.
The air-conditioning unit is not equipped with a device to suck fresh air from the outdoors, so
when you are using gas or petrol in the same room, or you feel the room air is dirty, please open the
door or window to exchange the air, but this can affect the adjustment of air conditioning.
ATTENTION
Ensure the power supply correspond to the nameplate and check the security of the power source
before installation.
Make sure that the wires, pipes and drain hose are properly connected before operation to avoid a
re or electric shock.
Don’t let children operate the ducted air-conditioning unit.
Turn off the power supply whenever cleaning the air-conditioning unit or changing the air lter.
Switch off power source when the units will not be operated for a long period.
Do not step or place objects on the air-conditioning unit.
The appliance shall not be installed in the laundry.
1.2 Power supply demand
1)Provided sufcient capacity of power supply and the cross area of electrical wires.
2)Conrm the reliable earth connection, and the earth wire should be connected to special device
of the building. Never connect the earth wire to the gas pipe, water pipe, the earth wires of telephone
and lighting rod.
3)Make sure that the wiring is done by the qualified technicians according to the relevant
regulations.
4)In xed circuit, there must be electricity leakage protection switch of enough power capacity and
air switch with enough space.
5)An all-pole disconnection device which has at least 3mm separation distance in all pole and a
residual current device(RCD)with the rating of above 10mA shall be incorporated in the xed wiring
according to the national rule
6)The appliance shall be installed in accordance with national wiring regulations

2
7)The temperature of refrigerant circuit will be high, please keep the interconnection cable away
from the copper tube.
2 DISPLAYING PART
Fig.2.1 Outline of wired controller
2.1 LCD Display of Wired Controller
Fig.2.2 LCD display

3
2.2 Instruction to LCD Display
No. Description Instruction to Displaying Contents
1 Swing* Swing function
2Air * Air exchange function
3 Sleep Sleeping states
4Running
mode Each kind of running mode of indoor unit (auto mode)
5 Cooling Cooling mode
6 Dry Dry mode
7 Fan Fan
8 Heating Heating mode
9 Defrost Defrosting state
10 Gate-control
card * Gate control
11 Lock Lock state
12 Shield Shielding state (buttons, temperature, on/off, mode or save is shielded by long-
distance monitoring
13 Turbo* Turbo function state
14 Memory Memory state (Indoor unit resumes original setting state after power failure and
then power recovery)
15 Twinkle Flicking when unit is on without operation of buttons
16 Save Energy-saving state
17 Temperature Ambient/setting temperature value
18 E-Heater* Mark that E-heater is allowed to turned on
19 Blow Blow mark
20 Timer Timer-displayed location
21 Quiet* Quiet state(two types: quiet and auto quiet)
There is not Master and CO2 functions for E series ducted type unit and A2 ducted type and cassette type
units
Table 2.1
“*” There is no this function for these units: FSL-850B-H-3F
、FSOL-850B-3F.

4
3 BUTTONS
3.1 Silk Screen of Buttons
Fig. 3.1 Silk screen of buttons
3.2 Instruction to Function of Buttons
No. Description Function of Button
1 Enter/cancel (1)Function selection and canceling;
(2)Press it for 5s to enquiry the outdoor ambient temperature.
2▲(1)Running temperature setting of indoor unit, range :16 ～30℃
(2)Timer setting, range:0.5-24hr
(3)Switchover between quiet/auto quiet
6▼
3 Fan Setting of high/middle/low/auto fan speed
4 Mode Setting of cooling/heating/fan/dry mode of indoor unit
5 Function Switchover among the functions of air,/sleep/turbo/save/e-heater/blow /
quiet
7 Timer Timer setting
8 On/off Turn on/off indoor unit
4 Mode
and
2 ▲
Memory
function
Press them for 5s under off state of the unit to enter/cancel memory
function (If memory is set, indoor unit after power failure and then power
recovery will resume original setting state .If not, indoor unit is defaulted
to be off after power recovery. Memory function is defaulted to be set
before outgoing.)
2 ▲
and
6 ▼
Lock
Upon startup of the unit without malfunction or under off state of the unit,
press them at the same time for 5s in to lock state. In this case, any other
buttons won’t respond the press. Repress them for 5s to quit lock state.
4 Mode
and
5 Function
Enquiry
and setting
of address
of wired
controller
Press them for 5s under unit off at the same time to set address.
Table 3.1

5
4 INSTALLATION OF WIRED CONTROLLER AND PROJECT
DEBUGGING
4.1 Installation of Wired Controller
Fig.4.1: Sketch for Installation of Wired Controller
No. 1 2 3 4 5
Description
Socket’s base
box installed
in the wall
Soleplate of
controller Screw M4X25 Front panel of controller
Screw
ST2.2X6.5
Fig.4.1: Sketch for Installation of Wired Controller. Pay attention to the following items during
installation of wired controller:
1. Cut off power supply of heavy-current wire embedded in mounting hole in the wall before
installation. It is prohibited to perform the whole procedure with electricity.
2. Pull out 4-core twisted pair line in mounting hole and then make it through the rectangle hole at
the back of controller’s soleplate.
3. Joint the controller’s soleplate on wall face and then x it in mounting hole with screws M4X25.
4. Insert the 4-core twisted pair through rectangle hole into controller’s slot and buckle the front
panel and soleplate of controller together.
5. At last, x the controller’s front panel and soleplate with screws ST2.2X6.5.
Caution:
During connection of wirings, pay special attention to the following items to avoid interference of
electromagnetism to unit and even failure of it.
1. To ensure normal communication of the unit, signal line and wiring (communication) of wired
controller should separate from power cord and indoor/outdoor connection lines. The distance between
them should be kept 20cm in min.
2. If the unit is installed at the place where there is interference of electromagnetism, signal line
and wiring (communication) of wired controller must be shielding twisted pair lines.

6
5 INSTRUCTION TO OPERATION
5.1 On/Off
Press On/Off button to turn on the unit.
Repress this button to turn off the unit.
Note: The state shown in Fig.5.1 indicates off state of the unit after energization. The state shown
in Fig.5.2 indicates on state of the unit after energization.
Fig.5.1 Off state of the unit Fig.5.2 On state of the unit
5.2 Mode Setting
Under on state of the unit, press Mode button to switch the operation modes as the following
sequence:
5.3 Temperature Setting
Press ▲ or ▼ button for increase or decrease of setting temperature under on state of the unit. If
press either of them continuously, temperature will be increased or decreased by 1℃ every 0.5s.
In Cooling, Dry, Fan and Heating mode, temperature setting range is 16 ～30℃ .

7
In Auto mode, the setting temperature is un-adjustable.
As shown in Fig.5.3
5.4 Fan Speed Setting
Under on/off state of the unit, press Fan button, fan speed of indoor unit will change as below:
As shown in Fig.5.4
Fig.5.4
(Indoor unit about FSL-850B-H-3F、FSOL-850B-3F can only run at high fan speed mode
and fan speed can’t be modied by wired controller.)
5.5 Swing Control Function *
Under on state of unit, press Function button till the unit enters swing control function and then
press “Enter/cancel” button to turn on turbo control function.
During swing function, press Function button till the unit enters swing control function and then
Fig 5.3

8
press Enter/cancel button to cancel swing control function.
Swing control function setting is shown in Fig 5.5
There is no this function for this unit.
Fig.5.5
5.6 Timer Setting
Under on state of the unit, press Timer button to set timer off of the unit. Under off state of the
unit, press Timer button to set timer on of the unit in the same way.
Timer on setting: Under off state of the unit without timer setting, if Timer button is pressed,
LCD will display xx. Hour, ON blinking. In this case, press▲ or ▼ button to adjust timer on and then
press Timer to confirm. If Mode button is pressed before pressing Timer button to confirm, timer
mode will be switched to timer off setting mode. In this case, LCD displays xx. Hour, OFF blinking. In
this case, press▲ or ▼ button to adjust timer off and then press Timer to conrm. When LCD displays
xx. Hour On Off, xx. Hour means time of timer on, but time of timer off won’t be displayed.
Timer off setting: Under on state of the unit without timer setting, if Timer button is pressed,
LCD will display xx. Hour, OFF blinking. In this case, press▲ or ▼ button to adjust timer on and
then press Timer to conrm. If Mode button is pressed before pressing Timer button to conrm, timer
mode will be switched to timer on setting mode. In this case, LCD displays xx. Hour, ON blinking. In
this case, press▲ or ▼ button to adjust timer on and then press Timer button to conrm. When LCD
displays xx. Hour On Off, xx. Hour means time of timer off, but time of timer on won’t be displayed.
Cancel timer: After setting of timer, if Timer button is pressed, LCD won’t display xx. Hour so
that timer setting is canceled.
Timer off setting under on state of the unit is shown as Fig.5.6

9
Fig.5.6 Timer setting under on state of the unit
Timer range: 0.5-24hr. Every press of▲ or ▼ button will make setting time increased or decreased
by 0.5hr.If press either of them continuously, setting time will automatically increase/ decrease by 0.5hr
every 0.5s.
Note:
1. If both timer on and timer off are set in unit on interface, the wired controller only display time
of time off after conrmation of timer. If both of them are set in unit off interface, only time of timer on
is displayed.
2. Timer on in unit on interface is timed from the time of unit off and timer off in unit off interface
is timed from the time of unit on.
5.7 Air Exchange Setting *
Turn on air function: Under on state of the unit, press Function button into this function setting
(Air mark blinks).AIR 1 displayed at the ambient temperature-displayed location (888) is defaulted (the
last type of AIR will be displayed after adjustment).Press ▲ or ▼ button to adjust air type. Press Enter/
Cancel button to turn on/off air function. After turning on this function, the air mark shows.
There are 10 types of AIR, but only 1-2 types are for remote control. Refer to the following details:
1――The unit continuously runs for 60min, and fresh air valve runs for 6 min.
2――The unit continuously runs for 60min, and fresh air valve runs for 12 min.
3――The unit continuously runs for 60min, and fresh air valve runs for 18 min.
4――The unit continuously runs for 60min, and fresh air valve runs for 2 4 min.
5――The unit continuously runs for 60min, and fresh air valve runs for 30 min.
6――The unit continuously runs for 60min, and fresh air valve runs for 36 min.
7――The unit continuously runs for 60min, and fresh air valve runs for 42 min.
8――The unit continuously runs for 60min, and fresh air valve runs for 48 min.

10
9――The unit continuously runs for 60min, and fresh air valve runs for 54 min.
10――The unit continuously runs for 60min, and fresh air valve always runs.
Turn off air function: During Air function, press Function button into Air function. In this
case, air mark is blinking, and then press Enter/cancel button to turn off this function. Air mark will
subsequently disappear.
There is no this function for this unit.
Air setting is shown as in g.5.7:
Fig.5.7 Air exchange device
Note:
In air exchange mode, press Function button or there is not any operation within 5s after the last
button operation, the system will quit from air exchange setting and current energy-saving date won’t be
memorized.
5.8 Sleep Setting
Sleep on: Press Function button under on state of the unit into sleep function and then press Enter/
cancel button to turn on sleeping function.
Sleep off: During sleep on state, press Function button into sleep function and then press Enter/
cancel button to turn off this function.
Sleep setting is shown as Fig.5.8:

11
Fig.5.8 Sleep setting
Sleep off is default after power failure and then power recovery. There is not sleep function in fan
and auto mode.
Note:
In cooling and dry mode, if the unit with sleep function has run for 1 hour, the preset temperature
will be increased by 1℃and 1℃in another 1 hour. After that, the unit will run at this temperature. In
heating mode, if the unit with sleep function has run for 1 hour, the preset temperature will be decreased
by 1℃and 1℃in another 1 hour. After that, the unit will run at this temperature.
5.9 Turbo Function Setting *
Turbo function: The unit at high fun speed can realize quick cooling or heating so that room
temperature can quickly approach setting temperature.
In cooling or heating mode, press Function button till the unit enters turbo function and then press
Enter/cancel button to turn on turbo function.
During turbo function, press Function button till the unit enters turbo function and then press
Enter/cancel button to cancel turbo function.
There is no this function for this unit.
Turbo function setting is shown in Fig5.9:

12
Fig.5.9 Turbo Function Setting
Note:
1. Turbo function will be turned off after power failure and then recovery. In dry, fan and auto
mode, turbo function can not be set and turbo mark won’t be displayed.
2. Turbo function will be automatically canceled after setting of quiet function.
5.10 Save Function Setting
Energy Saving Function: Energy saving result that the air conditioner runs in smaller temperature
range is realized by setting lower limited value of setting temperature in cooing or dry mode and upper
limited value in heating mode.
Energy Saving Setting for Cooling
Under on state and in cooling or dry mode of the unit, press Function button into energy saving
function , SAVE blinking .Press ▲ or ▼ button to adjust lower limited value of setting temperature in
cooing mode. After that press Enter/Cancel button to turn on energy saving function for cooling.
Energy Saving Setting for Heating
Under on state and in heating mode of the unit, press Function button into energy saving function,
SAVE blinking. Press Mode button into energy saving function for heating and then press▲ or ▼
button to adjust upper limited value of setting temperature in heating mode. After that, press Enter/
Cancel button to turn on energy saving function for heating.
After energy saving function is turned on, press Function button into energy saving function and
press Enter/cancel to cancel this function.
The energy saving setting is shown in the g.5.10.

13
Fig.5.10 Energy Saving Setting
Note：
1.In Auto running mode with save function on, the unit will be forcibly changed to corresponding
mode. After setting of save, sleep function will be canceled.
2. In save mode, if Function button is pressed or there is not any operation within 5s after the last
button operation, the system will quit from save function setting and current data won’t be memorized.
3. After power failure and then recovery, save function setting will be memorized.
4. The lower limited value in cooling mode is 16℃ and the upper limited value in heating mode is
30℃.
5. After save setting, if the setting temperature is out of the range in the mode, the limited value
will prevail.
5.11 E-heater setting *
There is no this function for this unit
E-heater: In heating mode, E-heater is allowed to be turned on for improvement of efciency.
If heating mode is turned on by button operation, auxiliary electric heating function will be
automatically turned on.
Press Function button in heating mode into auxiliary electric heating function, E-HEATER
blinking, and press Enter/cancel button to turn on this function. In this case, E-HEATER will be
displayed, which means E-heater is allowed to be turned on.
If auxiliary electric heating function is on, press Function button to conrm or press Enter/cancel
button to cancel. In this case, E-HEATER won’t be displayed, which means E-heater is prohibited to be
turned on.
The setting of this function is shown as Fig.5.11 below:

14
Fig. 5.11 Auxiliary Electric Heating Function Setting
Note:
E-heater can not be set in cooling, dry and fan mode, E-heater mark won’t be displayed. The
setting is shown in Fig.5.11.
There is not E-heater for A2 and cassette unit.
5.12 Blow Function Setting
Blow function: After the unit is turned off, water in evaporator of indoor unit will be automatically
evaporated to avoid mildew.
In cooling and dry mode, press Function button till the unit enters dry function, BLOW blinking,
and then press Enter/cancel button to turn on this function.
In blow mode, press Function button till the unit enters blow function and then press Enter/cancel
button to cancel this function.
Dry function setting is shown in Fig.5.12

15
Fig.5.12 Blow function setting
Note:
1.After setting dry function, turn off the unit by pressing On/Off button or remote controller,
indoor fan will run at low fan speed for 10 min. (BLOW shows).Meanwhile, if dry function is canceled
indoor fan will be turned off directly.
2.There is not BLOW function in fan or heating mode.
5.13 Quiet Function Setting *
Quiet function consists of two kinds: quiet and auto quiet.
Press Function button till the unit enters quiet function setting state, Quiet or Auto Quiet mark
blinks. In this case, press▲ or ▼ button to switch between Quiet and Auto Quiet and then press Enter/
cancel button to turn on this function.
In quiet mode, press Function button till the unit enters quiet function. In this case, Quiet or Auto
Quiet icon blinks and then press Enter/cancel button to cancel this function.
There is no this function for this unit.
Quiet function setting is shown in Fig.5.13

16
Fig.5.13 Quiet function setting
Note：
1. During quiet function, fan speed is un-adjustable.
2. When turning on auto quiet function, the unit will enter quiet running state according to
temperature difference between room temperature and setting temperature. In this case, fan speed is
adjustable. If temperature difference between room temperature and setting temperature ≥ 4℃, fan will
keep its current speed; if 2℃≤temperature difference ≤3℃; fan speed will be reduce one grade ,but if it
is at min. grade, it is un-adjustable.; if temperature difference ≤1℃, fan speed will be at min. grade
3. In auto quiet mode, fan speed can not be raised but reduced. If high fan speed is manually
adjusted, auto quiet mode will quit.
4.There is not auto quiet function in fan or dry mode. Quiet off is default after power failure and
then power recovery.
5 . If quite function is set, turbo function will be canceled.
5.14 Debugging Functions
Under off state of the unit, press Function and Timer buttons continuously for 5s into debugging
menu. Press Mode button to adjust the setting items and ▲ or ▼ button to set the actual value.
5.14.1 Ambient Temperature Sensor Setting
In debugging mode, press Mode button to adjust the temperature displayed location displaying
00, and press ▲ or ▼ button to adjust setting state at timer displayed location. There are 3 types for
selection:
①Indoor ambient temperature is that at return air inlet (01 is displayed at timer displayed location)
②Indoor ambient temperature is that at the place of displayer (02 is displayed at timer displayed