Tempstar F9MXE - Page 35

Figure40
Exampleof Two-StageFurnaceControlfor ECM Blower Motor - (F/G)9MXT
SET UP SWITCHES
THERMOSTAT TYPE (TT)
AND HEAT OFF DELAY
SELECTCHART
TSTAT HEAT
SW TYPE OFF-DELAY
0#F 1-STG 2 _ 90
[]STAT Ill Ill SEC,
ON ,,2.-ST6 2 3"120
OFF I1 $TAT i _1 SEC,
ON 2.._ 150
OFF M i SEC.
O#F 2 3 180
mmsEc,
* FACTORYSETTINGS
_ PLT
SWl 1 2 3 z _ o
_1_1o_
o _ _ _ STAT
3 AMP FUSE'-------------
LED OPERATION
& DIAGNOSTIC LIGHT
_,%_L%PEE
115 VAC(L2)
NEUTRAL
CONNECTIONS
,_ . /
_ '1' , TW,NN,N_ANO_OR
_]L._ _J] £ £ _ COMPONENT TEST
_,i* TERMINAL
o=o
4I_._11_.o__:1-1 HUM,D,F,ER TERMINAL
_]_ _==t] _ -- (24 MAC 0.5 AMPS MAX)
_111_11 TRANSFORMER
HI L_ COiNECTION 115 VAC
/;_,_S_RMER
Etf C vTAEcRM1I.0NAALMp / MOTORI CONNECTION
L1 BL-1 XFMR HUM .s_., LO
I I
115 VAC LINE (L1)
115 VAC RUM
INPUT L12F037
Figure 41 1Example of Single Stage Furnace Control for ECM Blower Motor - (F/G)9MXE
HEAT OFF-DELAY
24-V THERMOSTAT
TERMINALS
3-AMPFUSE
LED OPERATION &
DIAGNOSTIC LIGHT
HEAT --
BLOWER SPEED _
SELECTION TERMINALS
115-VAC (L2) NEUTRAL
CONNECTIONS
TEST/TWIN
TWINNING AND/OR
COMPONENTTEST
TERMINAL
HUMIDIFIER TERMINAL
(24-VAC 0.5 AMP MAX
m
13
13
COM/BLUE 24VAC/RED
=
TRANSFORMER 24VAC
CONNECTIONS
I
Pl - LOW VOLTAGE MAIN
HARNESS CONNECTOR
EAC
1 AMP
115 VAC (L1)
CONNECTIONS
BL-1 XFMR IN_IltHS I
EAC TERMINAL
(115 VAC 1.0 AMP MAX.) P2-HOT SURFACE IGNITOR (HSI) &
INDUCER MOTOR (IND) CONNECTOR
Lll F075
440 01 4001 08 Specifications subject to change without notice. 35