ISSUE DATE 10-09-03 REV. DATE 12/17 REV. LEVEL: 17 ECO 1-7383 OIPM P/N 8329
OPTIONAL RECESSED MOUNTING FRAME INSTALLATION
MOUNTING INSTRUCTIONS
‘TH’ AND ‘THSS’ MODELS ONLY
1.
Mount frame to heater with #8 x 1/2" long sheet metal screws supplied by customer. Four screws are
required on the RMF-222-A, six required on the RMF-342-A and eight on the RMF-462-A and RMF-223-SS
units; ten screws are required on the RMF-343-SS and twelve on the RMF-463-SS models. Use the frame
as a template for laying out the holes.
2.
Mount the frame to the ceiling, using the outside slots only, with 1/4" lag screws provided by the customer.
Four lag screws are required on the RMF-222-A and RMF-223-SS units, six on the RMF-342-A and RMF-
343-SS, and eight on the RMF-462-A and RMF-463-SS units. Tabs will center frame in opening.
CAUTION:
To maintain required clearance above heater, refer to minimum clearances to combustible on page 8.
FIELD WIRING CONNECTIONS
A. Select the appropriate knockout on the top wiring channel, and install a 12" conduit nipple and
splice box (customer supplied).
B. Route the leads from the wiring channel through the conduit and connect with the supply wiring
inside the splice box.
C. Follow local and national electric codes.
NOTE: Hold dimensions A
and B to + 1/8” for rough
opening in the ceiling.
Heater Series
Model
Part No. D
DIM. A (IN.)
DIM B (IN.)
222
Painted
RMF-222-A
04494402
27 1/4
18
Stainless
RMF-222-SS-A
04419902
342
Painted
RMF-342-A
04418702
36 1/4
Stainless
RMF-342-SS-A
04420702
462
Painted
RMF-462-A
04494502
49 1/4
Stainless
RMF-462-SS-A
04421002
223
RMF-223-SS
08811039
32 1/4
29 5/8
343
RMF-343-SS
08811339
41 1/4
463
RMF-463-SS
08811139
54 1/4
14
