Daikin EUWA/Y5-30HB/C(Z) - Settings: Direct and User Parameters

ESIE98–06A The Controller for the EUWA/Y5-10HB(Z) Chillers
Part 2 – Functional Description 2–21
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2.5 Settings: Direct and User Parameters
Direct and user
parameters
The digital controller provides direct and user parameters:
■ Direct parameters are used for the daily usage of the unit (for example to set the cooling and
heating temperature set point and to read the operational information).
■ User parameters provide advanced features (for example remote control).
Each parameter is defined by a code and a value.
How to access the
parameters
To access the parameters, proceed as follows:
Overview of the
parameters
In the table below you will find the description, the type, the code and the values of all parameters.
Press 5 s on … to have access to … A password is …
s
the direct parameters. not required.
p
all parameters (direct and user). is required. Use 22.
Description Type Code Default Value Limit values Step value
measurement unit (°C or °F) user d 0°C 0 or 1 1
cooling temperature set point direct r1 12.0°C 7.0°C to 25.0°C 0.1°C
cooling temperature difference direct r2 3.0°C 0.3°C to 19°C 0.1°C
heating temperature set point direct r3 30.0°C 25.0°C to 50.0°C 0.1°C
heating temperature difference direct r4 3.0°C 0.3°C to 19°C 0.1°C
outlet water temperature direct r6 read only — 0.1°C
coil temperature direct r8 read only — 0.1°C
not used — c6 0— —
time delay between the pump start-up
and the compressor start-up
user c7 20 s 0 to 150 s 1 s
time delay between the unit shutdown
and the pump shutdown
user c8 20 min 0 to 150 min 1 min
total running hours of the compressor direct c9 (read only) 0 — 1 hour
timer treshold for maintenance warning user cb 0 hours (disabled) 0 to 10 000 hours 100 hours
total running hours of the pump direct cv (read only) 0 — 1 hour
activation period of the buzzer user p4 1min
■ 0 min: buzzer disabled
■ 1-14 min: buzzer
activation period
■ 15 min: buzzer
activated until m
button is pressed
1min
remote cool/heat user h6 00 or 1 1
remote start/stop user h7 00 or 1 1