Service manual

Field settings ESIE03–01
4–26 Part 4 – Commissioning and Test Run
3
1
4
5
2.12 Overview of the Field Settings: R(Y)P71-125L
Jumpers The table below contains the jumper field settings.
DIP switches The table below contains the DIP switch field settings.
Jumper Label on PCB Function Applicable units See page
J1 Thermo CTR Change thermostat OFF control indoor unit
P RP71-125L
P RYP71-125L
4–28
J3 Thermo CTR2 Change thermostat ON control indoor unit 4–28
DIP
switch
Function Details Applicable units See page
DS1-1 Emergency ON/OFF Switch emergency operation out-
door unit ON
RYP71-125L 4–26
DS1-2 Cool / Heat Select emergency cooling / heating
operation on outdoor unit
4–29
DS1-3 Increase possibility to start
defrost
P Changes the accumulated
operation time from 3 hours to 40
minutes in order to advance the
defrosting operation.
P Increases the temperature
conditions for defrost activation
with 4K.
4–29
DS1-4 Mode B Avoid risk of liquid back
to the compressor
At factory setting (switch = OFF),
the E.V. will open at the maximum
(480 pulses) for a limited time (1 or
2 minutes) before closing to 100
pulses.
P When changing this setting, the
time of opening the E.V. at
maximum opening is reduced to
30 seconds.
P Stops the compressor at defrost
start and stop
4–29
DS2-1 Not applicable — RYP71-125L 4–29
DS2-2 Not applicable — 4–29
DS2-3 Change Freeze-up conditions Freeze-up start / stop decided by
indoor unit.(Unit will restart when
evaporator temperature reached
7°C for 10 minutes)
P RP71-125L
P RYP71-125L
4–30
DS2-4 Change Freeze-up conditions Setting for low humidity applica-
tions. (Unit will restart when evapo-
rator temperature reached 7°C for 3
minutes)
4–30