Manual

■ Complete installation and operating instructions are
provided separately with the SmartBox™ .
■ Use customer supplied wire nuts and other
appropriate electrical terminals when interconnecting
the SmartBox™ to the heater.
■ Refer to labels on wires for connections.
■ Ensure proper electrical wiring gauge for main power
supply from SmartBox™ to heater.
■ Use 18 gauge electrical wiring for supply of DC volts
from SmartBox™ to Smart Sense™ variable rate gas
control on heater.
A. 115 Volt main power wiring from SmartBox
™
to
heaters.
Connect leads as shown in Fig.7 to heating Zones 1
and 2.
FIG. 7
B. Wiring from SmartBox
™
to the heater’s Smart Sense
™
variable rate gas control valve
a. Connect Smart Sense™ gas control valve wiring for
Zones 1 and 2 at SmartBox™ leads as shown in
Fig.8.
FIG. 8
b. Route the wiring from these leads through the gas
inlet hole at the heater’s case. See Fig.9.
c. Attach 1/4 in. insulated female terminals to these
wires and connect to either terminal on the valve.
See Fig. 9.
FIG. 9
d. See Fig.10 for typical connections. Each
SmartBox™ zone can control two heaters.
FIG. 10
INTERCONNECTION FOR VARIABLE HEAT
ROUTE WIRING
THROUGH HOLE
CONNECT WIRING TO TERMINALS
( NOT POLARITY SENSITIVE)
12
ZONE 1 OR ZONE 2 WIRING FROM
SmartBox™ TO Smart Sense™
VARIABLE RATE GAS CONTROL VALVE
VOLTS TO VALVE
VALVE
HEATER 1
GAS VALVE
HEATER 2
GAS VALVE