Technical Guide MGD-B SERIES GAS FURNACE Heat Controller, Inc.
0RUWH[3URGXFWV,QF)RUW:RUWK7; *'7HFKQLFDO*XLGH
*'6HULHV*DV)XUQDFH 7(&+1,&$/*8,'(
:,5,1* ',$*5$0*'
UTEC & TI BOARD WIRING DIAGRAM
FLASH CODES
)/$6+
,*1,7,21)$,/85(
)/$6+(6
67($'<21
)/$6+(6
)/$6+(6
)/$6+(6
1250$/23(5$7,21
&20%867,21$,5
6:,7&+)$,/('72&/26(
&20%867,21$,5
6:,7&+678&.&/26('
/,0,76:,7&+23(1
*$69$/9((1(5*,=('
:,7+12&$//)25+($7<
)/$6+(6
5(9(56('32/$5,7<
%/2:(502725
%/80('
25*0('/2:
UTEC & TI BOARD WIRING DIAGRAM
FLASH CODES
)/$6+
,*1,7,21)$,/85(
)/$6+(6
67($'<21
)/$6+(6
)/$6+(6
)/$6+(6
1250$/23(5$7,21
&20%867,21$,5
6:,7&+)$,/('72&/26(
&20%867,21$,5
6:,7&+678&.&/26('
/,0,76:,7&+23(1
*$69$/9((1(5*,=('
:,7+12&$//)25+($7<
)/$6+(6
5(9(56('32/$5,7<
%/2:(502725
%/80('
25*0('/2:
A/C READY MODELS
WIRING DIAGRAM, G18D
G18D Series Gas Furnace TECHNICAL GUIDE
Mortex Products Inc. / Fort Worth, TX 76106 G18D Technical Guide
6
WIRING DIAGRAM, MGD-B
5