No.

Item

 

 

Outline of specifications

 

 

Remarks

 

 

 

 

 

 

 

 

 

 

3

Room temp.

2)

Using the CODE No. 06, the setup temperature in heating

Shift of suction

 

control

 

operation can be corrected.

 

 

 

 

 

temperature in heating

 

(Continued)

 

 

 

 

 

 

 

 

 

operation

 

 

SET DATA

 

0

2

 

4

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Setup temp.

 

+0°C

+2°C

 

+4°C

+6°C

 

 

 

 

 

correction

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Setting at shipment

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SET DATA

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

Automatic

1)

Based on the difference between Ta and Ts, the operation

 

 

capacity control

 

frequency is instructed to the outdoor unit.

 

 

 

 

(GA control)

2)

Cooling operation

 

 

 

 

 

 

 

 

Every 90 seconds, the room temperature difference

 

 

 

 

 

 

 

 

between temperature detected by Ta and Ts and the

 

 

 

 

varied room temperature value are calculated to obtain

 

 

 

 

the correction value of the frequency command and then

 

 

 

 

the present frequency command is corrected.

 

 

 

 

 

 

Ta (n) – Ts (n) : Room temp. difference

 

 

 

 

 

 

n

 

: Counts of detection

 

 

 

 

 

 

 

Ta (n-1) – Ts (n) : Varied room temp. value

 

 

 

 

 

 

n – 1

 

: Counts of detection of 90 seconds before

 

 

 

3)

Heating operation

 

 

 

 

 

 

 

 

 

Every 1 minute (60 sec.), the room temperature differ-

 

 

 

 

ence between temperature detected by Ta and Ts and the

 

 

 

 

varied room temperature value are calculated to obtain

 

 

 

 

the correction value of the frequency command and then

 

 

 

 

the present frequency command is corrected.

 

 

 

 

 

 

Ts (n) – Ta (n)

 

: Room temp. difference

 

 

 

 

 

 

n

 

: Counts of detection

 

 

 

 

 

 

Ta (n) – Ta (n – 1): Varied room temp. value

 

 

 

 

 

 

n – 1

 

: Counts of detection of 1 minute before

 

 

 

4)

Dry operation

 

 

 

 

 

 

 

 

 

 

 

The frequency correction control is same as those of the

 

 

 

 

cooling operation.

 

 

 

 

 

 

 

 

 

However the maximum frequency is limited to approxi-

 

 

 

 

mately “S6”.

 

 

 

 

 

 

 

 

Note) When LOW is set up, the maximum frequency is limited to approximately “SB”.

5 Automatic

1) The judgment of selecting COOL/HEAT is carried out as

 

cooling/heating

shown below. When +1.5°C exceeds against Tsh 10

Tsc: Setup temp. in

control

minutes and after thermo. OFF, heating operation

cooling operation

 

(Thermo. OFF) exchanges to cooling operation.

 

Tsh: Setup temp. in

 

Description in the parentheses shows an example of

 

heating operation

 

cooling ON/OFF.

 

 

 

 

 

 

 

 

 

 

 

 

 

+ temp. correction of

 

 

 

 

 

 

 

 

 

Ta ˚C

 

Cooling

room temp. control

 

 

 

 

+1.5

 

 

 

 

 

 

 

 

 

 

 

 

(Cooling ON)

 

 

Tsc or Tsh

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Cooling OFF)

 

 

 

 

–1.5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Heating

 

 

 

 

 

 

 

When –1.5°C lowers against Tsc 10 minutes and after thermo. OFF, cooling operation (Thermo. OFF) exchanges to heating operation.

2)For the automatic capacity control after judgment of cooling/heating, see Item 4.

3)For temperature correction of room temp. control in automatic heating, see Item 3.

– 25 –

Page 25
Image 25
Toshiba RAV-SM456BT-E, RAV-SM406BT-TR, RAV-SM1406BT-E Temperature in heating, Setting at shipment, Room temp. control

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