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tres. If different spacing exists, construct frame to suit the
box in order to avoid any vibration and noise caused by
loose mounting (Figure 2a).
2. Note the orientation of box ("TOP" shown on recess box)
and secure to studs using four holes provided on side
flanges, ensuring these flanges are flush with finished
surface of wall or ceiling (Figure 2b).
Surface Installation
1. Secure optional surface mount box (Part No. RFP8D) by
angling screws through holes provided in rear of surface
box into studs or finished surface.
2. Position recess box into surface box and secure with four
screws provided in parts bag of surface box.
Supply Wiring and Heater Installation
!
NOTE: All wiring must comply with National Electrical
Code and local codes.
1. Insert approximately 15" (38cm) of supply wire into recess
box through knockout provided in upper left hand corner
(Figure 2b). Wire should be rated for a minimum of 75°C
(167°F)
2. Connect power supply to terminals provided marked L1
and L2. Ground wire should be secured to green ground
screw provided on side of heater assembly (Figure 1).
3. All units are factory prewired for operation with built-in
thermostat. If remote thermostat operation is required fol-
low appropriate wiring diagram located on inside of recess
box.
!
NOTE: It is recommended that for ceiling mount applica-
tions a remote thermostat be used in order to provide superior
temperature control.
!
NOTE: For applications where the unit is to operate at the
lower wattage, see wiring diagram located on inside of the
recess box for appropriate jumper to remove.
4. Secure heater assembly into recess box using the four M4
screws previously removed.
Front Panel Installation
1. Remove trim frame from front panel assembly. (Figure 3)
2. If tamper proof built-in or remote thermostat operation
is required, secure the louvered door to the front panel
using 2 M3 screws (not included) through the holes pro-
vided. The knob can then be removed and adjustment of
the thermostat can be made using a slotted screwdriver
through the front panel.
3. Check to see that the fan blade is free to turn and that no
residue remains in the unit. Front panel can then be se-
cured to assembly using four M4.8 x 37 screws provided.
4. Replace Front Panel (Grille), see Figure 3.
2
BUILT-IN THERMOSTAT (FACTORY WIRED)
UNIT
GRND.
L2
L1
L2
L1
OFF
A
C
D
B
B
2
M
3
1
L
NOTE:
THIS WIRING REPRESENTS THE UNIT AS FACTORY WIRED.
PLEASE CONSULT THE OTHER DIAGRAMS SHOWN AS TO
WHAT OPTION IS REQUIRED. PLEASE ASSURE THAT ALL
CONNECTIONS MADE ARE SECURE AND THAT ALL ELECTRICAL
CLEARANCES ARE MET.
S.P. "LINE" VOLTAGE REMOTE THERMOSTAT
UNIT
GRND.
L2
SUPPLY
L1
L2
L1
OFF
A
B
C
D
2
M
3
1
L
1. MARR/TAPE WIRE LABELLED "L1" FROM THERMOSTAT
AS SHOWN.
2. DISCONNECT WIRE "B" FROM MARR CONNECTOR "B",
REMOVE FROM THERMOSTAT CONNECTOR AND DISCARD.
3. CONNECT INCOMING SUPPLY "L1" TO CONNECTOR "A"
4. CONNECT LOAD SIDE OF REMOTE LINE VOLTAGE
THERMOSTAT TO MARR CONNECTOR "B" AS SHOWN.
5. CONNECT INCOMING POWER WIRE "L2" TO BOTH THE LINE
SIDE OF REMOTE WALL THERMOSTAT AND WIRE ATTACHED
TO BUILT IN THERMOSTAT WIRE LABELLED "L2" AS SHOWN.
D.P. "LINE" VOLTAGE REMOTE THERMOSTAT
UNIT
GRND.
L2
SUPPLY
L1
L2
L1
A
OFF
C
B
D
2
M
3
1
L
1. MARR/TAPE WIRE LABELLED "L1" FROM THERMOSTAT
AS SHOWN.
2. DISCONNECT WIRE "B" FROM MARR CONNECTOR "B",
REMOVE FROM THERMOSTAT CONNECTOR AND DISCARD.
3. CONNECT LOAD SIDES OF REMOTE WALL THERMOSTAT TO
MARR CONNECTORS "A" AND "B" AS SHOWN IN DIAGRAM.
4. CONNECT WIRE "A" TO INCOMING SUPPLY "L1".
5. CONNECT THE OTHER INCOMING POWER SUPPLY LINE TO
THE OTHER LINE SIDE OF REMOTE WALL THERMOSTAT
AS SHOWN.
L2
SUPPLY
L1
A
CUSTOMER
WIRING
FACTORY
SUPPLIED
CUSTOMER
SUPPLIED
L2
L1
REMOTE
SP STAT
A
B
CUSTOMER
WIRING
FACTORY
SUPPLIED
CUSTOMER
SUPPLIED
L2
L1
REMOTE
DP STAT
A
B
CUSTOMER
WIRING
FACTORY
SUPPLIED
CUSTOMER
SUPPLIED
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