Cool Operation; Dry Operation; R.v. Coil Control - Mitsubishi Electric MSH-18RV Service Manual

6. R.V. coil control

Heating · · · · · ON
Cooling · · · · · OFF
Dry · · · · · · · · OFF
NOTE1 The 4-way valve reverses for 5 seconds right before start-up of the compressor.
NOTE2 •Refer to the Service Manual OB185 REVISED EDITION C when MSH-18RV-
MXZ-32NV- or MXZ-32NV-
E1
•Refer to the Service Manual OB227 REVISED EDITION-B when MSH-18RV-
MXZ-32RV- as multi system units.
E1
•Refer to the Service Manual OB254 when MSH-18RV-
Compressor
R.V. coil
Outdoor fan
9-2. COOL ( ) OPERATION
(1) Press OPERATE/STOP (ON/OFF) button.
OPERATION INDICATOR lamp of the indoor unit turns on with a beep tone.
(2) Select COOL mode with the OPERATION
SELECT button.
(3) Press the TEMPERATURE buttons.
(TOO WARM or TOO COOL button) to select
the desired temperature.
The setting range is 16 ~ 31°C.
Indoor fan continues to operate regardless of
thermostat's OFF-ON at set speed.
Coil frost prevention is as same as COOL
mode of "I FEEL CONTROL".
9-3. DRY ( ) OPERATION
(1) Press OPERATE/STOP (ON/OFF) button.
OPERATION INDICATOR lamp of the indoor
unit turns on with a beep tone.
(2) Select DRY mode with the OPERATION
SELECT button.
(3) The microprocessor reads the room tempera-
ture and determines the set temperature. Set
temperature is as shown on the right chart.
Thermostat (SET TEMP.)does not work.
The other operations are same as DRY mode of
"I FEEL CONTROL".
(4) DRY operation will not function when the room
temperature is 13°C or below.
9-4. HEAT ( ) OPERATION
(1) Press OPERATE/STOP (ON/OFF) button.
OPERATION INDICATOR lamp of the indoor unit turns on with a beep tone.
(2) Select HEAT mode with the OPERATION SELECT button.
(3) Press TEMPERATURE buttons (TOO WARM or TOO COOL button) to select the desired temperature.
The setting range is 16 ~ 31°C.
(4) Indoor fan speed control, high pressure protection, defrosting, R.V. coil control are the same as HEAT mode of "I FEEL
CONTROL".
as multi system units.
E2
(COOL / DRY)
5 sec.
ON
OFF
ON
OFF
ON
OFF
E1
E1
is connected with MXZ-32SV-
E1
(HEAT)
5 sec.
42
is connected with
is connected with
as multi system units.
E1
ON
OFF
ON
OFF
ON
OFF