Microprocessor Control - Mitsubishi Electric TRANE CITY MULTI TPKFYP008HM142A Technical & Service Manual

6

MICROPROCESSOR CONTROL

INDOOR UNIT CONTROL
6-1. COOL OPERATION
ON
RETURN SELECT
MENU
HOLD OFF
.
Control modes
1-1. Thermostat function (Function to prevent restarting for 3 minutes)
1. Temperature
adjustment function
1-2. Anti-freeze control
By the remote controller setting (switch of 3 speeds+Auto)
2. Fan
When [Auto] is set, fan speed is changed depending on the value of:
Room temperature - Set temperature
3. Vane
(1) The initial vane setting for COOL mode will be the horizontal position.
(up/down vane
(2) Vane position:
position change)
(3) Restriction of the downward vane setting
OCHT515
<How to operate>
1 Press ON/OFF button.
2 Press [F1] button to display COOL.
3 Press [F2] [F3] button to set the set temperature.
NOTE: The settable temperature range varies with the model of
<How to operate>
1 Press POWER ON/OFF button.
2 Press the operation MODE button to display COOL.
3 Press the TEMP. button to set the set temperature.
NOTE: The set temperature changes 1°F when the
• Room temperature Set temperature + 2°F ···Thermo ON
• Room temperature Set temperature ···Thermo OFF
Condition to detect: When the liquid pipe temp. (TH22) is 32°F or less in 16
minutes from compressors start up, anti-freeze control
starts and the thermo OFF.
Condition to release: The timer which prevents reactivating is set for 3 minutes,
and anti-freeze control is cancelled when any one of the
following conditions is satisfied.
Liquid pipe temp. (TH22) turns 50°F or above.
The condition of the thermo OFF has become complete
by thermostat, etc.
The operation has changed to a mode other than COOL.
The operation stopped.
Type
3 speeds + Auto type
Horizontal →Downward A →Downward B →Downward C→Downward D→Swing→Auto
When setting the downward vane A, B, C or D in [Mid], [Low] or [Auto] of the fan
speed notch, the vane changes to horizontal position after 1 hour have passed.
outdoor units and remote controller.
is pressed one time. Cooling 67 to 87°F
Control details
Fan speed notch
[Low], [Mid], [High], [Auto]
15
or button
Remarks
· "ONLY 1 Hr"
appears on the
wired remote
controller.