10
Figure 13
Example of Single Stage Furnace Control for PSC Blower Motor
A11391
Representative drawing only, some models may vary in appearance.
TWINNING AND/OR
COMPONENT TEST
TERMINAL
PL1 − LOW VOLTAGE MAIN
HARNESS CONNECTOR
TRANSFORMER 24VAC
CONNECTIONS
EAC TERMINAL
(115 VAC 1.0 AMP MAX.)
SEC-2
115−VAC (L2)
NEUTRAL
CONNECTIONS
24−V THERMOSTAT
TERMINALS
HUMIDIFIER TERMINAL
(24−VAC 0.5 AMP MAX)
3−AMP FUSE
LED
OPERATION &
DIAGNOSTIC
LIGHT
SEC-1
BLOWER SPEED
SELECTION TERMINALS
BL−1
PR-1
COM
HEAT
COOL
FAN
SPARE2
SPARE1
Y1
DHUM
BLOWER OFF-DELAY
120
1
8
0
90 150
24V MTR T
A
PS
115 VAC (L1)
INPUT
L1
IND
PL-2 HOT SURFACE
IGNITOR (HSI) &
INDUCER MOTOR
(IND) CONNECTOR
HUM
EAC-1
HSI
PL-2
PL1
EAC-2
Com
24V
L2
SECTION 2
NON
−
CONDENSING FURNACES
Table 4
MODEL NUMBERS BEGINNING WITH:
58
D
L
58P
H
58
ST
310
A
310
J
311
A
311
J
313
A
313
J
PG8M
A
PG8
JA
PG8M
E
PG8
JE
INSTALLATION
!
WARNING
FIRE, EXPLOSION, ELECTRICAL SHOCK AND CARBON
MONOXIDE POISONING HAZARD
Failure to follow instructions could result in personal injury,
death or property damage.
Improper installation, adjustment, alteration, service,
maintenance, or use can cause carbon monoxide poisoning,
explosion, fire, electrical shock, or other conditions, which
could result in personal injury or death. Consult your distributor
or branch for information or assistance. The qualified installer
or agency must use only factory
−
authorized kits or accessories
when servicing this product.
!
WARNING
FIRE, EXPLOSION, ELECTRICAL SHOCK, AND CARBON
MONOXIDE POISONING HAZARD
Failure to follow this warning could result in personal injury or
death.
This conversion kit shall be installed by a qualified service
agency in accordance with the manufacturer’s instructions and
all applicable codes and requirements of the authority having
jurisdiction. If the information in these instructions is not
followed exactly, a fire, explosion, or production of carbon
monoxide could result causing property damage, personal
injury, or loss of life. The qualified service agency is responsible
for the proper installation of this furnace with this kit. The
installation is not proper and complete until the operation of the
converted appliance is checked as specified in the
manufacturer’s instructions supplied with the kit.
