Roberts Gorden VANTAGE NP CTHN-125 - Manual (Page 31)

SECTION 8: U NITARY L INEAR & U-T UBE H EATER I NSTALLATION
25
Step 8.12 Restrictor Plate Installation
Step 8.13 Fan Installation
Attach restrictor plate (see chart below 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 warning tag from fan inlet
and install restrictor plate if required.
See Step 8.12.
Turbulator not required
for all models. (See Page 21,
Step 8.8 for details.)