. OPERATION EXPLANATION OF COMPONENTS METHOD OF OPERATION 3 - 89 COOLING OPERATION 1. Press main power switch (1) of the air conditioner to turn the power ON. 2. Press fan switch (2) and set the air flow to "Hi". 3. Press temperature control switch (3) and set the display monitor to COOL (A). 4. Press air conditioner switch (4) to turn the air conditioner switch ON. 5. Press RECIRC/FRESH selector switch (5) to select RECIRC. 6. When the temperature inside the cab goes down, use the temperature control switch and the fan switch to set to the desired temperature. REMARK 1. 2. 3. 4. 5. 6. 1.
REMARK I f th e temperature control switch is pressed to set the display m onitor to COOL (A ) and the ai r condition er is run with the air flow at "Lo" for a long perio d, there is a slight risk that the evaporator will freeze. I f it f reezes and no cold air comes out, turn the air conditioner switch OFF, raise t he tempera ture settin g, run th e air conditioner with the air flow at "Hi " for a short time, then turn the air conditioner switch ON again. 2. Press fan switch (2) and set t Press temperature control s monitor to COOL (A). Press air conditioner switch switch ON. 5. Press RECIRC/FRESH selec tor switch (5) to select RECIRC. 6.
When the temperature insid e the cab goes down, use HEATING OPERATION 1. Press main power switch (1) power ON. 2. Press fan switch (2) and set t 3. Press temperature control s monitor to HOT (A). 4. Press RECIRC/FRESH selec 5. When the temperature insid temperature control switch a desired temperature. of the air conditioner to turn the he air flow to "Hi". witch (3) and set the display 1. 2. 3. 4. 5. 1. 2. Press fan switch (2) and set t Press temperature control s monitor to HOT (A). Press RECIRC/FRESH selec tor switch (4) to select FRESH. 5. When the temperature insid e the cab goes up, use the nd the fan switch to set to the temperature control switch a desired temperature.
REMARK The heating uses the heat from th e engine cooling water, so i t is effective only w hen the co oling wate r is hot. DRYING-HEATING AND DEMISTING O PERATION of the air conditioner to turn the 1. 2. 3. 4. 5. 1. Press main power switch (1) power ON. 2. Press fan switch (2) and set th e air flow to the desired setting. Press temperature control sw itch (3) and set to the desired temperature. Press RECIRC/FRESH selec tor switch (4) to select FRESH. 5. Press air conditioner switch (5 ) to turn the air conditioner ON. REMARK Whe n the outside temperature is below 0°C (32°F), the air conditioner (compressor) may n ot operate