Fixing On Demand Function (De) - Hitachi RAS-(3-6)HVNC1(E) Service Manual

6 Optional functions
Fixing on demand function (dE)
Press "PSW1" and select the setting condition "1", so that the fixing of demand function "dE" can be set.
However, it is not necessary to short-circuit the demand input terminals on the outdoor unit PCB. (Refer to section
Description of optional signals" in the input "e. Current control demand (5/6/7/8/9/10)")
The tables below is the limit of the running current for this function.
RAS-(2-2.5)HVNP1 / RAS-3HVNC1
Control function number (*)
1 to 4
5
6
7
RAS-(4-6)H(V)NC1E
Control function number (*)
1 to 5, 11
6
7
8
9
10
(*) This function can be activated when demand function
is selected at one of the input terminal indications i1, i2
and i3. In case that multiple demand functions are set at
the input terminal indicationsi1, i2 and i3, the demand
running current is selected as below.
5 > 6 > 7 (Control function number)
• Demand Control.
Adopting self-demand function which drastically decreases power consumption has largely improved energy-saving.
Morning
179
SMGB0087 rev.0 - 12/2013
Demand running current
control
100%
60%
80%
100%
Demand running current
control
100%
40%
60%
70%
80%
100%
consumption exceeding the power
Maximum efficiency is secured
within the power setting range
Daytime Nigth
Operating hours
RAS-3HVNP1E / RAS-(4-12)H(V)NP1(E)/
RAS-(8-12)HN(P/C)(E)
Control function number (*)
1 to 5, 10
6
7
8
9
(*) This function can be activated when demand function
is selected at one of the input terminal indications i1,
i2 and i3. In case that multiple demand functions are
set at the input terminal indicationsi1, i2 and i3, the
demand running current is selected as below.
6 > 7 > 8 > 9 (Control function number)
Excesive power supply
setting range is
restricted
Power setting
Selectable from 100%, 80%, 70% and
60% of the rated power consumption
for cooling operation.
"6.1.4
Demand running current
control
100%
60%
70%
80%
100%
6