Service manual

25
Operation Section
 (OWTORESTARTTHEUNIT
UÊÊvÊ ÌiÊ Ê `V>ÌiÃÊ º*,",Ê " »]Ê «ÀiÃÃÊ ÌiÊ ""Ê " É"Ê LÕÌÌÊ ÌÊ VÌÕiÊ ÀÕ}Ê Ìi
program. If the LCD indicates “PROGRAM ON” continuously (program activated), no further
steps are necessary. If no program exists or the program was deactivated, press the FAN MODE
button or the COOL ON/OFF button. The unit returns to the previous temperature set point.
6.8 Condensate Pump Kit (optional)
Ê ÊÊ Ê ÊÊÊ Ê ÊUÊÊ/iÊ "vwViÊ *ÀÊ ÎÈÊ `iÊ ViÃÊ ÃÌ>`>À`Ê ÜÌÊ ÓÊ `À>Ê Ì>Ã]Ê ÜVÊ ViVÌÊ ÌiÊ Ü>ÌiÀÊ Ì>ÌÊ vÀÃ
on the evaporator during normal cooling operation. If the unit is required to operate continuously
without periodic emptying of this tank, a condensate pump may be needed. A condensate pump
kit is available for the Office Pro 36 model.
6.9 Automatic Restart after Power Interruption
Ê ÊÊ Ê ÊÊÊ Ê ÊUÊÊ/iÊ «À}À>Ê ÜÌÊ ÌiÊ VÀ«ÀViÃÃÀÊ vÊ ÌiÊ "vwViÊ *ÀÊ ÎÈÊ VÌ>ÃÊ >Ê vi>ÌÕÀiÊ Ì>ÌÊ >ÕÌ>ÌV>Þ
restarts the unit after power is lost and then regained. The unit also has memory in order to
return itself back to the operating mode (either manual or preset program) it was in prior to the
loss of power. All preset programs are retained in the memory in the event power loss occurs.
6.10 Compressor Protection
Ê ÊÊ Ê ÊÊÊ Ê ÊUÊÊ/iÀiÊ ÃÊ >Ê ÌiÊ `i>ÞÊ «À}À>Ê ÜÌÊ ÌiÊ VÀ«ÀViÃÃÀ°Ê /ÃÊ «ÀiÛiÌÃÊ >Ê i>ÛÞÊ >`Ê vÀÊ Li}
applied on the compressor motor when restarting the unit cool mode after a very short period of
time. This delay is in effect any time when the compressor is turned on by either the COOL
ON/OFF button, temperature set point (thermostatic control), power interruption restart or
condensate pump (optional) operation.
Specifications:
Time delay
- 120 ± 20 sec
6.11 Temperature Control
Ê ÊÊ Ê ÊÊÊ Ê ÊUÊÊ/iÊ V«ÀiÃÃÀÊ «iÀ>ÌÊ VÊ `iÊ ÃÊ VÌÀi`Ê LÞÊ ÌiÊ VÀ«ÀViÃÃÀÊ ÜVÊ ÀiViÛiÃÊ «ÕÌ
signals from the room temperature thermistor (evaporator inlet air) and the setting of the
temperature set point. The temperature set point (desired room temperature) can be adjusted
by pressing the / buttons on the control panel. The adjustment range of the temperature set
point is 65 °F to 90 °F (18 °C to 32 °C).