Service manual

Overview of the cooling mode functions ESIE03–01
2–30 Part 2 – Functional Description
3
1
2
4
5
Conditions 2a In case indoor unit is connected:
(*) Position of DSW2-4 irrelevant
Conditions 2b In case option box EKRPER is connected:
(*) Position of DSW2-4 irrelevant
See installation manual of EKRPER for more details.
Conditions 3 Increased capacity in case of low latent heat applications
Parameters The parameter value "A" mentioned in above conditions is decided depending on the type of indoor
model as follows:
DSW 2-3 DSW 2-4 Start Conditions (OR) Stop Conditions
ON (*)
P Te ≤ -1°C for 40 minutes
accumulated compressor
operation time·
P Te ≤ A°C for 1 minute
continuous after ≥ 8 minutes
continuous compressor
operation time
P Te > 7°C for 10 minutes
continuously
DSW 2-3 DSW 2-4 Start Conditions (OR) Stop Conditions
ON (*)
P Freeze-up start signal
received from EKRPER
P Freeze-up stop signal
received from EKRPER
DSW 2-3 DSW 2-4 Start Conditions (OR) Stop Conditions
OFF ON
P Te ≤ -1°C for 25 min
accumulated compressor
operation time·
P Te ≤ A°C for 1 minute
continuous after = 8 minutes
continuous compressor
operation time·
P Te ≤ -1°C for 1 minute after
≥ 20 minutes continuous
compressor operation time
P Te > 7°C for 3 minutes
continuously
Indoor unit Value "A"
FAYP -1°C
FHYP -3°C
All other indoor models -5°C