Degree Minute's(Dm) Instruction - OEM DC BWA-SS-7 Installation And Maintenance Instructions Manual

Dc inverter ground source heat pump - all in one
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Integral (DM) is a program to set the startup time and distance between compressor and electrical
heater according to heat demand and heat output, to set stop conditions of compressor and electrical
heater. This program is depends on the "feed water temperature degeneratiaon" and Time. To enter this
menu operator can change the factory setting:
Menu Text
OFF
When the value (testing) reaches the value setting by
user, the system will be closed.
When the value (testing) reaches the value setting by
user, the compressor will be start-up. And the value
CMP.A
(testing) under the value (setting), the compressor will
be closed.
ADD1
When the value (testing) reaches the value setting by
user, the ADD 1 will be start-up. And the value (testing)
under the value (setting), the ADD1 will be closed.
ADD2
When the value (testing) reaches the value setting by
user, the ADD2will be start-up. And the value (testing)
under the value (setting), the ADD2 will be closed.
ADD3
When the value (testing) reaches the value setting by
user, the ADD 3 will be start-up. And the value (testing)
under the value (setting), the ADD3 will be closed.
Degree Minute = The corresponding value of temperature difference between the Feed water
and the Desired water X Running time ( through integral to change; every minute for a cumulative)
Temperature difference between the feed water
and the desired water (
For example:
(Under desired temperature)
Feed water temperature decrease 1
Degree Minute=-10 X 1= -10;
Feed water temperature continue decrease 2 (under desired temperature) in another 1 minutes,
Degree Minute=-10 X 1 + (-10) = -20;
Feed water temperature continue decrease 3 (under desired temperature) in another 1 minutes,
Degree Minute=-10 X 1 + (-20) = -30;
Feed water temperature continue decrease 4 (under desired temperature) in another 1 minutes,
Degree Minute=-10 X 1 + (-30) = -40;
........................
Description
Degree Minute s(DM) instruction
)
-31 ~ -40
-21 ~ -30
-11
~ -20
-1
~
-10
1
~
10
11 ~
20
21
~ 30
31
~ 40
(under desired temperature) in 1 minutes,
Control
Menus
The corresponding value
Adjustable by
USER
USER
USER
USER
USER
-40
-30
-20
-10
10
20
30
40
24

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