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draft – 07/02/2022 15:12
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Technical data
Service manual
91
VAM350~200 EKVDX32~100A2VEB
VRV system air conditioner
ESIE22-07 – 2022.02
Mode
SW
SW description
SW position
(a)
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
19(29)
0
Filter contamination inspection
(k)
Pressure-based
check with fan
step 1-15
Pressure-based
check with new fan
step
Timer based check
Filter contamination
target detection with
fan step 1-15
Auto ESP selection
and filter
contamination
target detection
with new fan step
—
—
—
—
—
—
—
—
—
—
1
Low tap
(l)
OFF
Run 1/15 (28 min.
OFF/2 min. ON)
Run 1/10 (27 min.
OFF/3 min. ON)
Run 1/6 (25 min. OFF/5
min. ON)
Run 1/4 (22.5 min.
OFF/7.5 min. ON)
Run 1/3 (20 min.
OFF/10 min. ON)
Run 1/2 (15 min.
OFF/15 min.
ON)
Continuous operation
Step 1
Step 2
Step 3
Step 4
Step 5
Step 6
Step 7
Step 8
2
Supply fan step
(m)
Step 1
Step 2
Step 3
Step 4
Step 5
Step 6
Step 7
Step 8
Step 9
Step 10
Step 11
Step 12
Step 13
Step 14
Step 15
3
Exhaust fan step
(m)
Step 1
Step 2
Step 3
Step 4
Step 5
Step 6
Step 7
Step 8
Step 9
Step 10
Step 11
Step 12
Step 13
Step 14
Step 15
4
24-hour ventilation
(l)
OFF
Run 1/15 (28 min.
OFF/2 min. ON)
Run 1/10 (27 min.
OFF/3 min. ON)
Run 1/6 (25 min. OFF/5
min. ON)
Run 1/4 (22.5 min.
OFF/7.5 min. ON)
Run 1/3 (20 min.
OFF/10 min. ON)
Run 1/2 (15 min.
OFF/15 min.
ON)
Continuous operation
Step 1
Step 2
Step 3
Step 4
Step 5
Step 6
Step 7
Step 8
19(29)
5
Humidification ON/OFF setting
ON
OFF
—
—
—
—
—
—
—
—
—
—
—
—
—
7
Reference concentration shift for ventilation air flow
control (ppm)
0
+200
+400
+600
–200
–400
–600
—
—
—
—
—
—
—
—
8
Stop ventilation by automatic ventilation air flow
control
Allowed
NOT allowed
Allowed
NOT allowed
—
—
—
—
—
—
—
—
—
—
—
8
Fan residual operation
OFF
OFF
Heater operation
Heater operation
—
—
—
—
—
—
—
—
—
—
—
9
Normal ventilation tap on automatic ventilation air
flow control
—
—
—
—
Control by CO₂
sensor
—
—
—
—
—
—
—
—
—
—
15
R32 safety system
(n)
OFF
ON
—
—
—
—
—
—
—
—
—
—
—
—
—
1A
0
Fresh-up operation
(k)
OFF
ON
—
—
—
—
—
—
—
—
—
—
—
—
—
(a
)
Factory settings are marked with a grey background.
(b
)
In case VAM and EKVDX are combined and the R32 safety system of the VAM is active, the nighttime free cooling is disabled.
(c
)
The preheating/precooling function of the heat reclaim ventilation unit is disabled when it is connected to an EKVDX.
(d
)
When connected to an EKVDX, set to 2 or 4.
(e
)
When connected to an EKVDX, 17(27)-5 can be set to 1, 3, 4, 7 or 8.
(f
)
(Supply air/Exhaust air), e.g. Low/Low means: Supply air low/Exhaust air low.
(g
)
When connected to an EKVDX, JC/J2 cannot be used. Set to 18(28)-0-7. Instead, use T1 T2 of the EKVDX. See the EKVDX Installation and operation manual.
(h
)
When connected to an EKVDX, do not change the default settings.
(i
)
When connected to an EKVDX, JC/J1 cannot be used. Instead, use T1 T2 of the EKVDX. See the EKVDX Installation and operation manual.
(j
)
When connected to an EKVDX, set to 18(28)-10-2.
(k
)
When connected to an EKVDX, a filter contamination check is performed automatically and is timer based. This setting CANNOT be done with BRC301B61
(l
)
When connected to an EKVDX, this field setting will always be OFF.
(m
)
See the technical data book for pressure drop curves and selection of fan curves (step 1 to 15).
(n
)
When connected to an EKVDX, setting 2 (safety ON) is required in case R32 refrigerant is used. Setting 1 (safety OFF) is required in case R410A refrigerant is used.
Note:
When connected to an EKVDX, SS1 cannot be used. Instead, use T1 T2 of the EKVDX. See the EKVDX Installation and operation manual.
Note:
The
setting
modes
are
mentioned
as
group
settings,
between
parentheses
are
the
setting
modes
for
individual
unit
control
or
when
connected
to
the
EKVDX
option.
Group
number
setting
for
central
controller:
mode
00=group
controller
/
mode
30=individual
controller.
For
the
setting
procedure,
see
"Group
number
setting for central control" in the operation manual of either the ON/OFF controller or the central controller.