RT-SVX24Q-EN
113
this step has elapsed. Press the ENTER key to
confirm this choice.
W
WA
AR
RN
NIIN
NG
G
L
Liiv
ve
e E
Elle
eccttrriicca
all C
Co
om
mp
po
on
ne
en
nttss!!
F
Fa
aiillu
urre
e tto
o ffo
ollllo
ow
w a
allll e
elle
eccttrriicca
all ssa
affe
etty
y p
prre
ecca
au
uttiio
on
nss
w
wh
he
en
n e
ex
xp
po
osse
ed
d tto
o lliiv
ve
e e
elle
eccttrriicca
all cco
om
mp
po
on
ne
en
nttss cco
ou
ulld
d
rre
essu
ulltt iin
n d
de
ea
atth
h o
orr sse
erriio
ou
uss iin
njju
urry
y..
W
Wh
he
en
n iitt iiss n
ne
ecce
essssa
arry
y tto
o w
wo
orrkk w
wiitth
h lliiv
ve
e e
elle
eccttrriicca
all
cco
om
mp
po
on
ne
en
nttss,, h
ha
av
ve
e a
a q
qu
ua
alliiffiie
ed
d lliicce
en
nsse
ed
d e
elle
eccttrriicciia
an
n
o
orr o
otth
he
err iin
nd
diiv
viid
du
ua
all w
wh
ho
o h
ha
ass b
be
ee
en
n p
prro
op
pe
errlly
y ttrra
aiin
ne
ed
d
iin
n h
ha
an
nd
dlliin
ng
g lliiv
ve
e e
elle
eccttrriicca
all cco
om
mp
po
on
ne
en
nttss p
pe
errffo
orrm
m
tth
he
esse
e tta
asskkss..
7. Press the TEST START key to start the test.
Remember that the delay designated in step 6 must
elapse before the fan will begin to operate.
8. With the VFD at 100% and the supply fan operating
at full airflow capability, measure the amperage at
the supply fan contactors. If the amperage exceeds
the motor nameplate value, the static pressure is
less than design and the airflow is too high. If the
amperage is below the motor nameplate value,
static pressure may be too high and CFM may be
too low. To determine the a
accttu
ua
all C
CF
FM
M (± 5%):
a. Measure the actual fan RPM
b.
c. Plot this data onto the appropriate Fan
Performance Curve (see Performance Data).
Where the two points intersect, read straight
down to the CFM line. Use this data to assist in
calculating a new fan drive if the CFM is not at
design specifications.
d. An alternate method with less accuracy is to
measure the static pressure drop across the
evaporator coil. This can be accomplished by
completing the following steps:
•
Drill a small hole through the unit casing on
each side of the coil.
IIm
mp
po
orrtta
an
ntt:: Coil damage can occur if care is
not taken when drilling holes in
this area.
•
Measure the difference between the
pressures at both locations.
•
Plot this value onto the appropriate pressure
drop curve (see Fan Performance Data). Use
the data in Component Static Pressure
Drops to assist in calculating a new fan drive
if the CFM is not at design specifications.
•
Plug the holes after the proper CFM has
been established.
9. Press the STOP key at the Human Interface Module
in the unit control panel to stop the fan operation.
Exhaust Airflow Measurement (Optional)
W
WA
AR
RN
NIIN
NG
G
H
Ha
azza
arrd
do
ou
uss V
Vo
olltta
ag
ge
e!!
F
Fa
aiillu
urre
e tto
o d
diisscco
on
nn
ne
ecctt p
po
ow
we
err b
be
effo
orre
e sse
errv
viicciin
ng
g cco
ou
ulld
d
rre
essu
ulltt iin
n d
de
ea
atth
h o
orr sse
erriio
ou
uss iin
njju
urry
y..
D
Diisscco
on
nn
ne
ecctt a
allll e
elle
eccttrriicc p
po
ow
we
err,, iin
nccllu
ud
diin
ng
g rre
em
mo
otte
e
d
diisscco
on
nn
ne
eccttss b
be
effo
orre
e sse
errv
viicciin
ng
g.. F
Fo
ollllo
ow
w p
prro
op
pe
err
llo
occkko
ou
utt//tta
ag
go
ou
utt p
prro
occe
ed
du
urre
ess tto
o e
en
nssu
urre
e tth
he
e p
po
ow
we
err
cca
an
n n
no
ott b
be
e iin
na
ad
dv
ve
errtte
en
nttlly
y e
en
ne
errg
giizze
ed
d.. V
Ve
erriiffy
y tth
ha
att n
no
o
p
po
ow
we
err iiss p
prre
esse
en
ntt w
wiitth
h a
a v
vo
ollttm
me
ette
err..
IIm
mp
po
orrtta
an
ntt:: HIGH VOLTAGE IS PRESENT AT TERMINAL
BLOCK OR UNIT DISCONNECT SWITCH.
1. Close the disconnect switch or circuit protector
switch that provides the supply power to the unit's
terminal block or the unit mounted disconnect
switch.
2. Turn the 115 volt control circuit switch and the 24
volt control circuit switch to the “On” position.
3. Open the Human Interface access door, located in
the unit control panel, and press the SERVICE
MODE key to display the first service screen. Refer
to the latest edition of the appropriate
programming manual for applications for the
SERVICE TEST screens and programming
instructions.
4. Use the tables in
to
program the following system components for
operation by scrolling through the displays:
•
Exhaust Fan
•
Exhaust Dampers (100% Open, if applicable)
•
Outside Air dampers (100% Open)
•
Variable Frequency Drive (100%, if applicable)
•
RTM Occ/Unocc Output (Default)
5. Once the configuration for the components is
complete, press the NEXT key until the LCD
displays the “Start test in __Sec.” screen. Press the
+ key to designate the delay before the test is to
start. T
Th
hiiss sse
errv
viicce
e tte
esstt w
wiillll b
be
eg
giin
n a
afftte
err tth
he
e T
TE
ES
ST
T
S
ST
TA
AR
RT
T kke
ey
y iiss p
prre
esssse
ed
d and the delay designated in
this step has elapsed. Press the ENTER key to
confirm this choice.
W
WA
AR
RN
NIIN
NG
G
L
Liiv
ve
e E
Elle
eccttrriicca
all C
Co
om
mp
po
on
ne
en
nttss!!
F
Fa
aiillu
urre
e tto
o ffo
ollllo
ow
w a
allll e
elle
eccttrriicca
all ssa
affe
etty
y p
prre
ecca
au
uttiio
on
nss
w
wh
he
en
n e
ex
xp
po
osse
ed
d tto
o lliiv
ve
e e
elle
eccttrriicca
all cco
om
mp
po
on
ne
en
nttss cco
ou
ulld
d
rre
essu
ulltt iin
n d
de
ea
atth
h o
orr sse
erriio
ou
uss iin
njju
urry
y..
W
Wh
he
en
n iitt iiss n
ne
ecce
essssa
arry
y tto
o w
wo
orrkk w
wiitth
h lliiv
ve
e e
elle
eccttrriicca
all
cco
om
mp
po
on
ne
en
nttss,, h
ha
av
ve
e a
a q
qu
ua
alliiffiie
ed
d lliicce
en
nsse
ed
d e
elle
eccttrriicciia
an
n
o
orr o
otth
he
err iin
nd
diiv
viid
du
ua
all w
wh
ho
o h
ha
ass b
be
ee
en
n p
prro
op
pe
errlly
y ttrra
aiin
ne
ed
d
iin
n h
ha
an
nd
dlliin
ng
g lliiv
ve
e e
elle
eccttrriicca
all cco
om
mp
po
on
ne
en
nttss p
pe
errffo
orrm
m
tth
he
esse
e tta
asskkss..
6. Press the TEST START key to start the test.
Remember that the delay designated in step 5 must
Содержание IntelliPak 2 Series
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