21
NOTE:
Oil Return Mode:
In order to properly return oil to the
compressor, compressor speed may periodically adjust to assist
oil circulation.
E
QUIPMENT
T
EST
The mandatory system verification test is enabled from this menu,
which enables a functional check of the equipment, in addition
to ensuring proper stop valve position. The heat pump unit can
be set to manual defrost from this menu by selecting FORCE DF
CYCLE.
M
AINTENANCE
Pump down and charge modes can be enabled within this menu.
C
OOL
S
ET
-
UP
This menu allows for the adjustment of several cooling perfor-
mance variables. Cool Airflow Trim (range from -15% to +15% in
3% increments), Cool Airflow Profiles, Cool Fan ON Delay, Cool
Fan OFF Delay and Dehumidification Select (enable or disable
dehumidification) can be adjusted in this menu. You can also
reset this entire menu to factory default settings. See the fol-
lowing images showing the four cooling airflow profiles.
•
Profile A
provides only an OFF delay of one (1) minute at 100%
of the cooling demand airflow.
OFF
100% CFM
100% CFM
1 min
OFF
•
Profile B
ramps up to full cooling demand airflow by first
stepping up to 50% of the full demand for 30 seconds. The
motor then ramps to 100% of the required airflow. A one (1)
minute OFF delay at 100% of the cooling airflow.
50% CFM
1/2 min
100% CFM
100% CFM
1 min
OFF
OFF
•
Profile C
ramps up to 82% of the full cooling demand airflow
and operates there for approximately 7 1/2 minutes. The
motor then steps up to the full demand airflow. Profile C also
has a one (1) minute 100% OFF delay.
100% CFM
OFF
OFF
•
Profile D
(default) ramps up to 50% of the demand for 1/2
minute, then ramps to 82% of the full cooling demand airflow
and operates there for approximately 7 1/2 minutes. The
motor then steps up to the full demand airflow.
Profile D has a
1/2 minute at 50% airflow OFF delay.
OFF
OFF
Airflow Tables
C
OOL
R
UN
V
ALUES
Depending on the system configuration, adjusting the maximum
compressor RPS (revolutions per second) may be required. Nec-
essary adjustments to the maximum compressor RPS are made
through the following sub-menus.
M
AXIMUM
C
OMPRESSOR
RPS R
ANGE
FOR
C
OOLING
Select the range that your maximum compressor RPS falls
within.
M
AXIMUM
C
OMPRESSOR
RPS S
ELECTION
FOR
C
OOLING
Within the selected range, choose the specific maximum com-
pressor RPS for the system configuration.
H
EAT
S
ET
-
UP
This menu allows for the adjustment of several heating perfor-
mance variables. Heat Airflow trim (range from -15% to +15% in
3% increments), Heat Fan ON Delay, Heat Fan OFF Delay and
timed Defrost interval can be adjusted in this menu. Time inter-
val of 30, 60, 90 and 120 minutes between two defrost cycles
can be set to suit the weather conditions and performance of
the unit.
H
EAT
R
UN
V
ALUES
Similar to cooling mode, the maximum compressor speed RPS
(revolutions per second) can be adjusted for heating mode un-
der this menu.
M
AXIMUM
C
OMPRESSOR
RPS R
ANGE
FOR
H
EATING
Select the range that your maximum compressor RPS falls
within.
M
AXIMUM
C
OMPRESSOR
RPS S
ELECTION
FOR
H
EATING
Within the selected range, choose the specific maximum com-
pressor RPS for the system configuration.
