Toyotomi TGS-28FWCA User manual

Multi Variable Air Conditioners
Cassette Type Indoor Unit Owner’s Manual
This instruction is suitable for the following model：
TGS-28FWCA
TGS-36FWCA
TGS-45FWCA
TGS-50FWCA
TGS-56FWCA
TGS-63FWCA
TGS-71FWCA
TGS-80FWCA
TGS-90FWCA
TGS-100FWCA
TGS-112FWCA
TGS-125FWCA
TGS-140FWCA

Please read this instruction carefully before operating
Thank you for your selecting of TOYOTOMI air conditioner, please read this usage
and install instruction carefully and keep it well in order to use this unit correctly.
Contents
USER NOTICES 1
Safety information 3
Install the cassette type indoor unit 4
Constitutes and Names of Parts of Cassette Type Indoor Unit 14
Working Temperature Range 14
Wired Remote Controller Operation Procedure
The components of the wired remote control 15
ON/OFF operation 15
Timer setting 16
SLEEP mode setting 17
Swing Control 17
Fan Speed Control 17
Temp. adjusting 18
Set of running mode 18
Malfunction display 18
Remote controller
operation procedure
Names and functions of every button of the remote control 20
Names and functions of every button of the remote control
(Remove the cover) 21
Operation procedure 22
How to insert batteries 22
Operation Method When Meeting An Emergency 23
Malfunction Debarring 24
Maintenance Method 26
Model and Technical Parameter 29

1
USER NOTICES
☆When operating, the entire capacity of the cooperating indoor unit should be not larger than
that of outdoor unit. Otherwise, it will cause the shortage of cooling (heating) capacity.
☆A Breaker(or fuse) need to be installed in every indoor unit, and the capacity should in
according with indoor unit’s electrical parameter; all the indoor units are required to be
centralized controlled by a total Switch, this Switch can cut off the electric power supply in
case of emergency. The Breaker(or fuse) on each indoor units have the function of short circuit
prevention and abnormal overload avoiding, it should be connected in normal situation. The
total switch controlling the power supply of all the indoor units. Before clearing and
maintenance job being carried out to the indoor units, it is very important to turn off the total
power supply switch.
☆In order to turn on the units successfully, the main power switch should be opened 8 hours before the
operation.
☆After receiving the turn off signal, every indoor unit will continue to work for 20-70sec to make use of the
rest cool air or the rest heat air in the heat exchanger, while preparing for the next operation. And this is
normal.
☆When the selected operating mode of the indoor unit are clash with the operating mode of the outdoor unit,
the malfunction light will blink after 5s on the indoor unit or remote controller showing that the operation
clash, then the indoor unit will stop. At this time, change the operation mode of the indoor unit to the one
that would not clash with the outdoor operating mode to make the operation normal. The cooling mode is
not clash with the dry mode, while the fan mode is not clash with any mode.
☆The appliance shall not be installed in the laundry
☆An all-pole disconnection switch having a contact separation of at least 3mm in all poles should
be connected in fixed wiring
☆Missing information regarding electric supply tolerances(+/-10%, +/-1Hz) in documentation
☆Missing information regarding humidity (30-95%) in documentation

2
☆Missing information regarding installation altitude (max 1000m) in documentation
☆Information regarding transport/storage temperature (-25-55°C) is missing
☆Main switch provided by end user: main switch handle should be black or gray, it can be
locked in “OFF” position with padlock
☆The main disconnection device should be explained in user manual and the height should be
recommended at 0.6-1.7m. over current protection is required(EN 60947-3, EN 60947-2)
☆The cooling range of the unit is the outdoor environment temp.18-43℃DB, the heating range
of the unit( only for the heat pump type unit) is the outdoor environment temp. -16-15℃WB.

3
Safety information
Please read this manual carefully before use this unit, and operate it correctly according to the guide in this manual.
1．Please take specially note to the meaning of these two marks：
Warning！：This mark means that it may cause casualty or badly heart if the operation is incorrect.
Note！：This mark means that it may cause casualty or property loss if the operation is incorrect.
Warning！
zDo not adopt fuse with unsuitable capacity or adopt iron thread instead of fuse, otherwise malfunction or fire may
happened.
zCut down the main power switch immediately if malfunction (such as smell the burning odor etc.) happened.
zMaintain ventilation to prevent oxygen leakage in room.
zDon’t insert finger or stick like things into discharge vent or outlet grill.
zPlease make sure that the unit is installed in the place that can bear the weight of it adequately. If the place is not
strong enough, the air conditioner may drop and cause casualty event.
zDon’t spray or smear any oil paint or insecticide on the surface of unit, otherwise, fire may be leaded.
zDo not refit the conditioner. Please contact the agency or prefect ional personnel to repair or move the conditioner.
Note！：
zPlease check and make sure that the cord, drainage pipe and tubes are connected in the correct way to prevent
leakage of water, refrigerant, electric shock or fire.
zThe main power must connectable to the earth in order to assure the conditioner earthing effectively and to prevent
electric shock. Please don’t connect the earthing line with the gas pipe, water pipe, lightening rod or the connecting
line of telephone.
zThe air conditioner should be turned off at least after 5 mins’ operation; otherwise it would affect the duration of the
unit.
zDon’t let the children operate the air conditioner.
zPlease don’t operate the unit by wet hand.
zPlease turn off the main power of the unit before cleaning the conditioner or change the filter.
zPlease cut off the main power if the conditioner will be used for a long time.

4
Install of the Cassette type indoor unit
●Schematic diagram of installation spaces
GMV(L)-R90T/Na-K
GMV(L)-R100T/Na-K
GMV(L)-R112T/Na-K
GMV(L)-R125T/Na-K
GMV(L)-R140T/Na-K
GMV(L)-R36T/Na-K
GMV(L)-R45T/Na-K
GMV(L)-R50T/Na-K
≥1500
≥ 1500
≥1800
340
Model H
260
H
Ground
surface
Wall
surface Wall
surfac
Wall
surface
>20
210
unit:mm
GMV(L)-R56T/Na-K
GMV(L)-R63T/Na-K
GMV(L)-R71T/Na-K
GMV(L)-R80T/Na-K
GMV(L)-R28T/Na-K
Fig.1
●Select install location of the indoor unit
1. Obstruct should put away from the intake or outlet vent of the indoor unit so that the airflow can be blown though all
the room.
2. Make sure that the installation had accord with the requirement of the schematic diagram of installation spaces.
3. Select the place where can stand 4 times of the weight of the indoor unit and would not increase the operating noise
and oscillate.
4. The horizontally of the installation place should be guaranteed.
5. Select the place where easy drain condensated coagulated water, and easy connect with outdoor unit.
6. Make sure that there are enough space for care and maintenance. Make sure that the weight between the indoor unit
and ground is above 1800mm.
7. When installing the steeve bolt, check if the install place can stand the weight 4 times of the unit’s. If not, reinforce
before installation. (Refer to the install cardboard and find where should be reinforced)
Note！
There will be lots of lampblack and dust stick on the acentric, heat exchanger and water pump in dining room and
kitchen, which would reduce the capacity of heat exchanger, lead water leakage and abnormal operation of the water
pump. The following treatment should be taken under this circumstance:
1. Ensure that the smoke trap above cooker has enough capacity to obviate lampblack to prevent the indraft of the
lampblack by the air conditioner.
2. Keep the air conditioner far from the kitchen so that the lampblack would not be indraft by the air conditioner.
TGS-28FWCA TGS-36FWCA
TGS-45FWCA TGS-50FWCA
TGS-56FWCA TGS-63FWCA
TGS-71FWCA TGS-80FWCA
TGS-90FWCA TGS-100FWCA
TGS-112FWCA TGS-125FWCA
TGS-140FWCA

5
Install the cassette type indoor unit
●Important notice:
☆To guarantee the good performance, the unit must be installed by professional personnel according with this
instruction.
☆Please contact the local TOYOTOMI special nominated repair department before installation. Any malfunction
caused by the unit that is installed by the department that is not special nominated by TOYOTOMI would not deal with
on time by the inconvenience of the business contact.
●Dimension of ceiling opening and location of the hoisting screw (M10)
780(Gaps between hoisting screw rods)
840( Indoor unit)
890*(Ceiling opening)
950(Decorated surface boards)
950(Decorated surface boards)
890(Ceiling opening)
840( Indoor unit)
680(Gaps between hoisting screw rods)
A
Hoisting screw(X4)
Refrigerant pipe
Install dimension of mode
TGS-28FWCA, TGS-36FWCA, TGS-45FWCA, TGS-50FWCA, TGS-56FWCA, TGS-63FWCA, TGS-71FWCA,
TGS-80FWCA, TGS-90FWCA, TGS-100FWCA, TGS-112FWCA, TGS-125FWCA, TGS-140FWCA
☆The drilling of holes in the ceiling must be done by the professional personnel.
(160)
Ceiling
Installation stands for main body of the unit
Above 20
Fig.2
Notes: The dimension for the ceiling openings with *marks can be as large as 910mm. But the
overlapping sections of the ceiling and the decorated surface boards should be maintained at no less than
20mm.

6
Install of the Cassette type indoor unit
●Main body of hoisting air conditioner
1 The primary step for install the indoor unit.
☆When attach the hoisting stand on hoisting screw, do use nut and gasket individually at the upper and lower of the
hoisting stand to fix it. The use of gasket anchor board can prevent gasket break off.
2 Use install cardboard
☆Please refer to the install cardboard about the dimension of ceiling opening.
☆The central mark of the ceiling opening is marked on the install cardboard.
☆Install the install cardboard on the unit by bolt (3 piece), and fix the angle of the drainage pipe at the outlet vent by
bolt.
3 Adjust the unit to the suitable install place. (Refer to the fig.2)
4 Check if the unit is horizontal.
☆Inner drainage pump and bobber switch are included in the indoor unit, check if 4 angle of every unit are horizontal
by water lever. (If the unit is slant toward the opposite of the coagulate water flow, there may be malfunction of the
bobber switch and lead water drop.)
5 Backout the gasket anchor board used to prevent gasket break off and tighten the nut on it.
6 Backout the install cardboard.
[Fix the hoisting stand firmly]
Water lever
Tighten (double nuts)
Bolt of one of the angle of outlet pipe is fix
on the angle of the drainage slot
[Fix the install cardboard]
[Fix the gasket firmly]
Polyethylene pipe Bolt （attachment）
Center of the ceiling
opening
Bolt （attachment）
Install cardboard
Gasket anchor board
(attachment)
Nut (supplied at scene)
Hoisting stand
Gasket (attachment)
Insert
Note！
●Please do tighten the nuts and bolts to prevent air conditioner break off.