Reznor EEDU, Installation Operation & Maintenance

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I-EEDU (02-21) 150492-A
CONTROLS—CONTINUED
Fan Control—Continued
• Install the fan control as follows (see Figure 29 , DETAIL A):
⚠ WARNING ⚠
If you turn OFF the electrical power supply, turn OFF the gas.
a . Drill four 1/8-inch (3-mm) mounting holes and one 13/16-inch (20 .6-mm) hole for element .
b . Install gasket provided supplied in fan option kit between fan control and duct .
c . Secure fan control using four screws .
•
See
Figure 29
, DETAIL B for the installation of option CQ1 fan control kit (PN 57960):
• Fan control is Honeywell #L4064A1347 (PN 147611)
• Larger motors or 3PH require use of contactor or starter
• Recommended dial setting for most conditions is 130°F ON and 100°F OFF
• Conduit is field-supplied for wiring fan control to field-supplied blower
•
For proper operation, ensure that fan control wiring is in accordance with
Figure 30
and the
Electrical Connections
for Field-Installed Options section .
•
If the heater is to be turned off at night, the gas valve circuit SHOULD BE OPENED by a single-pole switch wired
in series with the thermostat . Some thermostats are provided with this feature . Multiple units controlled from a
single thermostat are turned off in the same manner .
Figure 29. Fan Control Installation
DETAIL A
DETAIL B
1/8
ʺ
HOLE
13/16
ʺ
HOLE
INSPECTION
PANEL
FAN
CONTROL
CONDUIT