Spring Air Systems Truflow-TC Installation and Operating May 2021
25
Supply Fan Manufacturer
Supply fan HP
Variable Speed Supply Drive Kitchen 2 (If applicable)
Supply inlet 10’ clear from exhaust
discharge
YES
NO
Supply Fan Model No.
Supply Fan Manufacturer
Supply fan HP
Fan Site Data Chart
Fan Item #
L1
Voltage
L2
Voltage
L3
Voltage
Design CFM
Design HP
Motor FLA
Verify
Fan
Rotation
Kitchen 1
EF-1
EF-2
(Optional)
MUA-1
Kitchen 2
EF-2
MUA-2
(Optional)
Startup Procedure
Item
Description
Y / N
1
Turn off all Cooking equipment
2
Check all electrical connections. Tighten as necessary
3
Check for power to the RPD-P panel on terminals 1 & 4 from breaker panel
4
Check all remote wiring to ensure it has been connected as per the wiring drawing
provided.
5
Check power wiring from breaker to exhaust fan variable speed drive(s).
6
Check power wiring from exhaust fan variable speed drive(s) to exhaust fan
disconnect(s)
7
Check the CAT5 shielded cable from the Truflow-TC panel to the Kitchen 1 Exhaust
VFD. Ensure it is
shielded
cable. Pinning is to T568B standard.
7a
Check the CAT5 shielded cable from the Kitchen 1 Exhaust VFD to Kitchen 2 exhaust
VFD. Ensure it is
shielded
cable. Pinning is to T568B standard. (If applicable)
8a
For
DFMU
A supplied by SAS:
Check power wiring from breaker to supply fan disconnect switch. VFD has been
factory wired.
8b
For
IDFMUA
supplied by SAS:
Check power wiring from breaker to supply fan disconnect switch.
8c
For all
MUA
units supplied by others:
It is very important when adding a VFD to MUA units by others to ensure that the
VFD is connected to the fan motor after any control transformers.
DO NOT MODULATE THE FREQUENCY OF THE POWER SUPPLY TO
ANY CONTROL TRANSFORMERS ON MUA.
9
Turn on power to all exhaust and MUA fan units. Take voltage readings on all phases
either at VFD inputs or disconnects and record in
FAN SITE DATA
chart above.
10
Check VFD parameter settings for
Asynchronous
motor settings per motor nameplate
information.
11a
Press VFD dial once until
rEF
displays. Rotate dial until
COnF
displays. Press dial
once. Rotate dial until
FULL
displays. Press dial once until
Sin-
displays. Rotate dial
until
drC-
displays. Press dial until
ASY-
displays. Press dial once until
nPr
displays.
11b
With display showing
nPr
, press dial once and then enter the motor horse power rating
from name plate. Press dial once to enter the HP rating. Press Esc once and rotate dial
until
unS
is displayed.
11c
With display showing
unS
, press dial once and enter the motor voltage rating from the