TCB Tubular Centrifugal Inline Fan
TCBRU Centrifugal Upblast Fan
TCBRS Centrifugal Roof Supply Fan
RECEIVING
Greenheck models TCB, TCBRU, and TCBRS are thoroughly inspected and test run at the factory. Items such as proper wheel
alignment, balance, vibration and workmanship are analyzed by quality control personnel using state-of-the art equipment.
However, damage may occur during handling and shipping. Therefore, it is important that the unit be carefully inspected for
visible and concealed damage before beginning installation. In addition, check to see that all accessory items are accounted for.
STORAGE - Indoor and Outdoor
When a fan is to be stored for a period of time, it must be protected from dirt and moisture. Use of a tarp to cover the unit will
aid in keeping it clean and dry, but avoid using a black plastic tarp as it will promote condensation. Improper storage which
results in damage to the fan will void the warranty. If the storage period is lengthy, the wheel and motor should be rotated
periodically and the bearings purged with fresh grease. In humid, dusty, or corrosive atmospheres, rotate the fan and purge the
bearings once a month. Under normal conditions, this procedure should be repeated once every three months.
TCBRU Roof Upblast
Level 1 & 2
TCB Inline
Level 1 & 2
TCBRS Roof Supply
Level 1 & 2
HANDLING
Fans are to be rigged by either the lifting
brackets provided or by the skid when a
forklift is used. All TCB Inline models have
mounting brackets located at the ends of
the fan housing with which slings can be
attached (Fig. 1). All TCBRU Roof Upblast
models can be lifted by lifting lugs located
above the motor cover of the fan (Fig. 2). All
TCBRS Roof Supply fans can be lifted by
lugs located on the hood rails (Fig. 3).
Fans should NOT be lifted by the shaft,
housing, motor, belt guard, or any
accessories.
Fig. 1
Fig. 3
Fig.2
GREENHECK
P.O. BOX 410 SCHOFIELD, WISCONSIN 54476-0410
PH. 715-359-6171
®
READ AND SAVE THESE INSTRUCTIONS
PN 456557
Installation Operation and Maintenance Manual
REPORT ANY DAMAGED EQUIPMENT TO THE SHIPPER IMMEDIATELY!
INSTALLATION
EFFECT OF INSTALLATION ON PERFORMANCE
Any installation with inlet or discharge configurations that deviate from these recommendations may result in reduced fan
performance. Restricted or unstable flow at the fan inlet can cause pre-rotation of incoming air or uneven loading of the fan
wheel yielding large system losses and increased sound levels. Free discharge or turbulent flow in the discharge ductwork will
also result in system effect losses.
The most common inlet and discharge conditions which affect fan performance are:
INLET DUCT TURNS
DISCHARGE DUCT TURNS
Horizontal Base Mount
Motor at 3 or 9
o’clock position
Vertical Base Mount
w/ airflow up or down
Fan
Roof Opening
Size
A B
Depth* TCBRU TCBRS
9 171/2 26 183/8 14 x 14 16 x 16
10 171/2 26 183/8 14 x 14 16 x 16
12 171/2 26 183/8 14 x 14 16 x 16
13 19 281/2 197/8 16 x 16 18 x 18
16 213/4 33 237/8 18 x 18 22 x 22
18 261/4 37 263/8 20 x 20 28 x 28
22 301/2 44 295/8 24 x 24 34 x 34
24 35 50 331/8 26 x 26 40 x 40
30 42 56 425/8 32 x 32 46 x 46
36 463/4 62 481/8 38 x 38 52 x 52
TCBRU Installation
Curb Mounted
TCBRS Installation
Curb Mounted
TYPICAL INSTALLATIONS
Following are typical mounting installations for models TCB (horizontal or vertical mounting), TCBRU, and TCBRS. For TCB's
with motor in the 3 or 9 o'clock position or vertical installations, additional mounting rails are recommended. Mounting rail
dimensions are shown for field fabrication.
Good
Poor
Length of Straight Duct
1 Fan
Wheel
Dia.
Turning
Vanes
Horizontal Ceiling Hung
Vertical Ceiling Hung
Mounting Hole Location
A
Optional Mounting
Rails
B
B
Optional Mounting
Rails
Installation of a duct turn or elbow too close to the fan inlet
reduces fan performance because air is loaded unevenly
into the fan wheel. To achieve full fan performance there
should be at least one to two fan wheel diameters between
the turn or elbow and the fan inlet.
Fan performance is reduced when duct turns are
made immediately off the fan discharge. To achieve
cataloged fan performance, there should be at least
one equivalent duct diameter of straight ductwork
between the fan discharge and any duct turns.
*Depth dimension is the center distance between
holes in the front and rear mounting brackets
Poor Good