General Information; Important Warning - Johnson Controls York DPC-1 Instructions D'utilisation

Operating instructions
Controls and indicators
1.- Program mode selection.
2.- Operating mode selection.
3.- Day/night/unoccupied selection.
4.- Fan speed selection
5.- Outdoor temperature reading
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General information

Automatic temperature start-up and regula-
tion is carried out by means of an ambient
thermostat.
Locate the thermostat at approximately
1.5 m. above floor level, where no obstacle
can avoid measuring the real temperature
of the room.
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Fig. 1
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Fig. 2

Important warning

The thermostat should be placed on a wall
not exposed to direct sunlight; otherwise,
temperatures would not be real and opera-
tion would be poor. Before starting up, turn
the general switch on so as to supply power
to the electrical heater of the compressor
crankcase.
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The compressor should not be started
until a minimum of eight hours later.
This is done to evaporate any refrigerant in
liquid form that may be been mixed in with
the oil in the compressor.
Caution:
Connection:
To preheat the system, the elec-
trical heater should be tourned on
at least 8 hours prior to starting
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the air conditioning unit. Leave
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power supply on, unless the air
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conditioner is not to be used dur-
ing long periods of time.
Recommendations for best
operation
- Turn the air conditioning on before the
room gets warm. Any heat accumulated
on furniture, walls, etc., makes the unit
take longer to reach the desired tempera-
ture.
- It is advisable to inspect and service your
equipment whenever necessary; this
avoids damage and ensures long service
life of your air conditioner.
Ambient thermostat DPC-1
These thermostats are designed to give
precise ambient temperature control and
graphic information with regard to heat pump
operation. In compliance with the differential
between the programmed and ambient tem-
peratures, it varies the on/off cycles.
The liquid crystal display (LCD) normally
shows the ambient temperature, the operat-
ing mode and whether the cooling or heating
system is in operation.
It allows selecting different temperature set
points for cooling and heating, as well as
their indication in °C or °F.
The fan can be set to operate in a continuous
or automatic mode, stopping and operating
jointly with the compressor..
The controls are located beneath a cover.
Operation and start-up
Start-up is carried out by means of the ther-
mostat controls.
1.- MODE
Pressing this button sets the heat pump
operating mode. When pressed alternatively,
the LCD screen shows the following operat-
ing modes:
COOL Controls the system in cooling
mode.
HEAT Controls the system in heating
mode.
AUTO Controls the system in either the
cooling or heating modes, as needed.
AUTO PROG.
Controls the system
in cooling or heating, depending upon the
time schedule profile selected. (If micro-
switch pin 2 is set to OFF, this option does
not appear.
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