Product Manual
ISSUE DATE 10-09-03 REV. DATE 2-26-09 REV. LEVEL: 14 ECO 1-6073 OIPM P/N 8329 PG 15 OF 17
Heater Series
Model
Part No.
DIM. A (IN.)
DIM B. (IN.)
222
Painted
RMF-222-A
04494402
27 ¼
18
Stainless
RMF-222-SS-A
04419902
342
Painted
RMF-342-A
04418702
36 ¼
Stainless
RMF-342-SS-A
04420702
462
Painted
RMF-462-A
04494502
49 ¼
Stainless
RMF-462-SS-A
04421002
223
RMF-223-SS
08811039
32 ¼
29 5/8
343
RMF-343-SS
08811339
41 ¼
463
RMF-463-SS
08811139
54 ¼
OPTIONAL RECESSED MOUNTING FRAME INSTALLATION
MOUNTING INSTRUCTIONS
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 7.
FIELD WIRING CONNECTIONS
A. Select the appropriate knockout on the top wiring channe
l, 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.