Carrier 58SSB - Manual (Page 4)

CONNECTION DIAGRAM
MOTOR INTERFACE
CONTROLLER BOX
PCBl PCB2
, INTERNAL FUSE
ши (WHEN USED)
lA-TRANSFORHER, 120VAC/24VAC
2D-RELAY, INDUCER MOTOR DPST-N.O.
2E-RELAY, HEATING BLOHER (HER) SPST-K.C.
2F-RELAY, COOLING BLOHER (CFR) DPDT
3A-H0T0R, INDUCER
5F-VALVE, GAS (REDUNDANT)
6CI-B0ARD. P.C. (FURNACE CONTROL)
6C2-B0AR0, P.C. (INDUCER CONTROL)
•6C3-L0CK0UT MODULE
6F-GENERAT0R, SPARK (SOLID STATEl
6H-SHITCH. PILOT FLAME SENSING SPOT (740A)
7H1-SHITCH, LIMIT SPST-N.C.
7H2-SHITCH, DRAFT SAFEGUARD(SPST-N.C.) MANUAL RESET
7H3-SHITCH, AUXILIARY LIMIT(SPST-N.C.) MANUAL RESET
(HHEH USED)
7P-PRESSURE SHITCK, H.O.
7V-SHITCH, FLOH SENSING SPDT
9G-SHITCH, BLOHER DOOR INTERLOCK SPST-li.f.
FACTORY HIRING (120VAC)
FACTORY HIRING(24VAC)
—— FIELD HIRING (120VAC)
- CONDUCTORS ON 6C1 (FURNACE CONTROL BOARD)
CONDUCTORS OH 6C2 (INDUCER CONTROL BOARD)
@ SCREH TERMINAL FOR FIELD HIRING
t=3 1/4 INCH QUICK CONNECT TERMINALS
10B1-CONNECT0R. EDGE (FURNACE CONTROL BOARD)
1OB2-CONNECT0R, EDGE (INDUCER CONTROL B0ARD-7CKT.)
10B3-COHNECTOR, EDGE (INDUCER CONTROL B0ARD-2CKT.)
10B4-CONNECT0R. PILOT
10B5-FACT0RY TEST POINTS (NOT FOR FIELD USE)
1DB6-CONNECTOR, BLOHER MOTOR (PL3 ON PCB2)
IIB-FUSE, IN LINE 2AMP (HHEN USED)
11C-LIHK, FUSIBLE (OVER TEMPERATURE) (1 REQD. ON UPFLOH t
3 REQD. OH DOHNFLOH/KORIZONTAL FURNACE
llE-GROUHDj EQUIPMENT
HTRl-MOTOR (ECM) BLOHER
PCBI-P.C. BOARD (ECM BLOHERCONTROL )
PCB2-P.C. BOARD (INTERFACE)
T-3-THERMISTOR
TP)-TEST POINT
TRAN-24VAC TRANSFORMER
SEV-SOLENOID EXPANSION VALV:
SCHEMATIC (NAT'L a PROP)
5/>S О
solid state time delay relay
------------------- ---- -------------------------------------------
1
-isisr*
_____________ I
I
c@=
T2-INTERNALLY CONNECTED TO EQUIPMENT GROUND SPARK GENERATOR (6F)
MOUNTING SCREhS.
RELAY (2E) CONTACTS ARE NORMALLY CLOSED UNTIL 120VAC IS APPLIED
TO FURNACE.
IF ANY OF Tl
IT MUST BE I...... .................. . -
BLOHER MOTOR (HTR-1) HAS A THERMAL OVERLOAD SWITCH.
BLOHER MOTOR (MTR-1) FACTORY SPEED ADJUSTMENTS ARE FOR AVERAGE
CONDITIONS. SEE ECM BLOHER KIT INSTALLATION INSTRUCTIONS
FOR DETAILS OH OPTIMUM SPEED SELECTION.
USE COPPER WIRE ONLY BETWEEN THE DISCONNECT SWITCH AND THE UNIT.
SYMBOLS ARE AH ELECTRICAL REPRESENTATION ONLY.
PRESSURE SWITCH (7P) IS USED FOR PROPANE ONLY.
FUSIBLE LINK USAGE, 1 REQD. OH UPFLOH & 3 REQD. ON DOHHFLOK/
HORIZONTAL FURNACE.
LOCKOUT MODULE (6C3) IS USED FOR PROPANE OR 100« SHUTOFF
NATURAL GAS.
2AMP FUSE IN SECONDARY OF TRANSFORMER FOR CANADIAN UNITS ONLY.
310736-401 Rev. A
Fig. 6 — Schematic Wiring Diagram