SECTION 8: U
NITARY
L
INEAR
& U-T
UBE
H
EATER
I
NSTALLATION
29 of 91
Step 8.12 Restrictor Plate Installation
Step 8.13 Fan Installation
Attach restrictor plate (see chart belo
w
right) to
fan inlet and replace inlet collar.
Description
Part Number
Restrictor Plate
07730XXX
Model
Fan Assy. P/N
Restrictor Plate P/N
CTHN-40
05220000
07730400 1.25'' dia
CTHN-60
05220000
07730100 1.50'' dia
CTHN-80
05220000
NONE
CTHN-100
05220000
07730500 2.25'' dia
CTHN-125
05220000
07730500 2.25'' dia
CTHN-150
05220000
07730700 2.75'' dia
CTHN-175
05221000
07730600 2.50'' dia
CTHN-200
05221000
NONE
Vent Adapter
Fan Assembly
Tighten securely
until tube cannot
be removed.
Last Tube
Fold tab around outside
of tube nearest to the
vent to hold turbulator
in place.
Description
Part Number
Fan Assembly 40 -150
05220000
Fan Assembly 175-200
05221000
Remove
w
arning tag from fan inlet and
install restrictor plate if req
u
ired.
.
T
u
rb
u
lator not req
u
ired
for all models. (
for details.)