Operating Control; Maintenance - Johnson Controls YORK ERKC-07 AA Benutzerhandbuch

perature set point, the unit will
operate in cool mode so as to
keep the ambient temperature
within the limits of its set point, +1
to +2°C for 1 hour.
Heat mode
In Sleep mode and heat operation, the unit
will operate in the following phase sequence:
1-2.
Phase 1 The unit will operate in heat mode
until the ambient temperature set
point is reached.
Phase 2 After reaching the ambient tem-
perature set point, the unit will
operate in heat mode so as to
keep the ambient temperature
within the limits of its set point, -1
to -2°C for 1 hour.

Operating Control

Emergency operation
The emergency switch is located in the
Component
Air filter:
Unit casing:
Drain tray and pipe:
6
receiving panel at the front of the unit. This
switch is used when the batteries of the
remote control unit have run out, or in the
case of any trouble.
Operation of the system in Emergency
mode
Cool System.
The ambient temperature set point is set to
20°C. The unit operates in the cool mode.
Heat and Cool System.
The ambient temperature set point is set to
25°C. The unit operates in automatic mode.
Pressing this switch once con-
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nects the unit; pressing a sec-
ond time disconnects it (switch-
ing action). During this manual emergency
operation, the remote control unit cannot
be used.
Very important
Make sure switch is set to RUN.

Maintenance

1- Clean with a vacuum cleaner or tap lightly
and wash with lukewarm water (40° C) and
mild detergent.
2- Rinse and dry before reinstalling on unit.
3- Do not use gasoline, alcohol or other chemi-
cal products.
1- Remove dust from front panel with a soft
rag or a rag moistened in a mild soapy solu-
tion.
2- Do not use gasoline, alcohol or other chemi-
cal products.
1- Clean and make sure there are no obstruc-
tions.
GB
Automatic reset and antifreeze protec-
tion
After any power failure, the unit resets
automatically (when power supply is re-es-
tablished), remaining in the same mode as
prior to the failure.
Defrost and anti-overheating
This feature is used to avoid freezing of the
evaporating unit in cool or dry mode, as well
as to avoid overheating in heat mode.
When in defrost and anti-overheating, the
compressor is inoperative, its LED flashes
in cycles and the air deflector stops in fully
open position. At the end of this cycle, the
deflector operates in accordance with the
previously programmed parameters.
Maintenance
These units are designed to operate during
long periods of time with minimum mainte-
nance. Nevertheless, the following opera-
tions should be carried out regularly.
Frequency recommended
Every month, or more frequently if necessary.
Every month, or more frequently if necessary.
Every season prior to start-up.