W415-2159 / D / 11.24.17
43
IOM
15.0 LOW VOLTAGE WIRING
15.1 SINGLE STAGE THERMOSTAT
FIGURE 38 - JUMPER P5
15.2 TWO STAGE THERMOSTAT
15.3 THERMOSTAT LOCATION
H53.1
The thermostat and control wiring should be a minimum of 18 AWG copper. Excessive lengths of wire may
result in enough voltage drop to impair the proper functioning of the furnace. For thermostat wires in excess of
25 feet (7.6m), use 16 AWG; 50 feet (15.2m), use 14 AWG.
H53.4
The automatic heat staging option allows a single stage thermostat to be used with a two stage furnace. The
control provides a movable jumper (P5) to select between 5 minute and *10 minute automatic staging. Auto-
matic staging time begins when the blower is energized after the heat blower delay period. If the jumper is in
the 5 minute position, the control will automatically start high heat after 5 minutes of continuous low heat op-
eration. If the jumper is in the *10 minute position, the control will automatically start high heat after 10 minutes
of continuous low heat operation. Once high heat is started from automatic staging, the demand for high heat
remains until the heat call is satis
fi
ed.
* Factory Setting
H53.3
When connecting a two stage thermostat, the jumper (P5) must
be in the “NONE” position. The control runs high heat from the
thermostat W2 demand.
H53.2
The thermostat should be located approximately 5 feet (1524mm) above the
fl
oor, on an inside wall where there
is good natural air circulation, and where the thermostat will be exposed to average room temperatures. Avoid
locations where the thermostat will be exposed to cold drafts, heat from nearby lamps or appliances, exposure to
sunlight, heat from inside wall stacks, etc.
H24.15
THERMOSTAT
IFC
R G W Y
Y
1
Y
2
W R G C
FIGURE 33 - THERMOSTAT CONNECTION DIAGRAM
Содержание 9600E E-STAR Series
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