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8 Configuration
Installer reference guide
52
EWAQ+0 EK(2)CB
EKMB9W1
Packaged air-cooled water chillers and packaged air to water heat
pumps
4P492901-1 – 2017.06
Leaving water temperature: Main zone
#
Code
Description
[A.3.1.1.1]
N/A
LWT setpoint mode:
▪ 0 (Fixed)
The
desired
leaving
water
temperature is:
▪ NOT weather-dependent (i.e. does
NOT depend on the outdoor
ambient temperature)
▪ fixed in time (i.e., NOT scheduled)
▪ 1 (Weather dep.) (default): The
desired leaving water temperature is:
▪ weather-dependent (i.e. depends
on
the
outdoor
ambient
temperature)
▪ fixed in time (i.e., NOT scheduled)
continued >>
#
Code
Description
[A.3.1.1.1]
N/A
<< continuation
▪ 2 (Fixed/scheduled): The desired
leaving water temperature is:
▪ NOT
weather-dependent
(i.e.,
does NOT depend on the outdoor
ambient temperature)
▪ according
a
schedule.
The
scheduled actions consists of
desired shift actions, either preset
or custom.
Remark:
This value can only be
set in leaving water temperature
control.
▪ 3 (WD/scheduled): The desired
leaving water temperature is:
▪ weather-dependent
(i.e.,
does
depend on the outdoor ambient
temperature)
▪ according
a
schedule.
The
scheduled actions consists of
desired
leaving
water
temperatures either preset or
custom.
Remark:
This value can only be
set in leaving water temperature
control.
#
Code
Description
[7.7.1.1]
[1-00]
[1-01]
[1-02]
[1-03]
Set weather-dependent heating:
[1-03]
[1-02]
Ta
Tt
[1-00]
[1-01]
▪ T
t
: Target leaving water temperature
(main)
▪ T
a
: Outdoor temperature
continued >>
#
Code
Description
[7.7.1.1]
[1-00]
[1-01]
[1-02]
[1-03]
<< continuation
▪ [1-00]:
Low
outdoor
ambient
temperature. –40°C~+5°C (default: –
10°C)
▪ [1-01]:
High
outdoor
ambient
temperature. 10°C~25°C (default:
15°C)
▪ [1-02]:
Desired
leaving
water
temperature
when
the
outdoor
temperature equals or drops below
the
low
ambient
temperature.
[9‑01]°C~[9‑00]°C (default: 45°C)
Note:
This value should be higher
than [1-03] as for low outdoor
temperatures
warmer
water
is
required.
▪ [1-03]:
Desired
leaving
water
temperature
when
the
outdoor
temperature equals or rises above
the
high
ambient
temperature.
[9‑01]°C~min(45, [9‑00])°C (default:
35°C)
Note:
This value should be lower
than [1-02] as for high outdoor
temperatures less warm water is
required.
#
Code
Description
[7.7.1.2]
[1-06]
[1-07]
[1‑08]
[1-09]
Set weather-dependent cooling:
[1-09]
[1-08]
Ta
Tt
[1-06]
[1-07]
▪ T
t
: Target leaving water temperature
(main)
▪ T
a
: Outdoor temperature
continued >>