Special Button Functions; Modes Of Operation; Off Mode; On Mode - Regal 3760 Owner's Manual

SPECIAL BUTTON FUNCTIONS

To use the special button functions, you must press and
hold a particular button while the controls' AC power is
activated.
1. Service History Log- View the service history log by
pressing and holding the FAN button while turning on
the AC power. Exit the service history log by pressing
the POWER button once.
2. Self Test Mode- Press and hold the POWER button
while the AC power is applied to enter the self test mode.
The self test is used to diagnose problems and test the
air conditioning system.
3. View Hour Meter- To view the compressor hour
meter, press and hold the DOWN button whiile apply-
ing AC power. Maximum recorded time is 65,536 hours.

MODES OF OPERATION

Off Mode

When the Passport Control is in the OFF mode, all con-
trol outputs are turned off. Program parameters and user
settings are saved in memory. The PROGRAM mode can
only be accessed from the OFF mode.

On Mode

When the control is in the ON mode power is supplied to
the appropriate outputs and the display indicates the cur-
rent state of operaion. The operating and program pa-
rameters resume based on those stored the last time the
unit was operatiing.
Cooling Mode
When COOL mode is selected the cooling systems are
operated as required. When the temperature drops below
the set point, the system will not automatically switch to
the HEAT mode.
Heat Mode
When the heat LED is on, only the heating systems are
selected and operated as required. Should the tempera-
ture rise above the set point, the system will not auto-
matically switch to the COOl mode.
Automatic Mode
AUTOMATIC mode provides both heating and cooling
as required. The HEAT or COOL LED will be lit ac-
cording to the mode required. Temperature in a given
mode is maintained within 2 degrees F. of set point, how-
ever a 4 degree F. difference is required to allow the con-
trol to change modes.
Once the mode changes temperature will be maintained
within 2 degrees F. of set point.
Manual Fan Mode
Press and hold the FAN button during normal operation
to select one of the six manual fan speeds available. The
fastest fan speed is represented by "6" , the slowest rep-
resented by "1". MANUAL FAN mode allows the user
to select the desired fan speed manually. After choosing
the desired fan speed the fan LED will be lit. MANUAL
FAN mode is preferred when the room temperature is
constantly changing due to varying heat loads.
8
Chapter 7