Installation guide

FIELD
_YEL --
POWER
[OUIP_GND
ON G
AUTO SW
ire Y
b,
' SUPPL H SUPL HEAT E
SUPPL BEAT
F IELD-THZRF4OSTAT
SEE NOTE_2
LEGEND
FIELD SPLICE DB DEEROST BOARD
OFT DEFROST THERMOSTAT
Q TERMINAL (MARK[Of
0 TERMINAL (UNMARKED} DR DEFROST RELAY
O SPL]CE EOUIP EOUIP,_ENT
C]o SPL]DE (_ARKE B) FU FUSE
--FACTORY WIRING BND GROUND
HPS HIG,_ PRESSURE SW]TCB
----FIELD CONTROL _tIRINB HR HEATER RELAY
--- FIELD POWER WIRING HTR HEATER
---- ACCESSORY OR OPTIONAL ]OX INTEGRATED CONTROL
WIRING MOTOR
-- TO I_DICA_E CO_ON [F,_ INDOOR FAN )40_OR
POTENTIAL ONLY: LPS LOW PRESSURE SWITCH
NOT TO REPRESENT WIRING or_ O_TDOOR fAN _{OTOR
PL PLUG
AHA ADJUSTABLE NEAT
ANTIC IPA_OR OT OA_DRUPLE TERMINAL
RVS REVERSII_G VALVE SOLENOID
AP CAPACITOR SLOW BLOWY FUSE
¢B CIRCUIT BREAKER THER&{OSTAT " COOLING
CCFL CRANKCASE HEATER fOR TLME DELAY RELAY
COMP COMPRESSOR MOTOR fH THERMOSTAT - HEATING
CTD COMPRESSOR TI_[ DELAY THAN TRANSFORWER
SCHEMATIC
DR 2081_0-340
YEL OHM
BL_
COUP
FOR 042-060 UNITS ONLY
GRR-YEL
YEL _ [_ TEL PL4-4
CTB (T1,T2) BET
CO,_PRESSOR BELAY Oft,Of2 _ "
RVS
LAST BFROST f:3O _4AXIMU_
CI CI
CLOSES OPENS CYCLE f:GO
TSAT T:90
T:120
BLK
32 A_
MANUAL R[SETL_ I I I
6RN_YEL GRN-YEL
/
5 AMP
/
ORB
BLU
vIO
BLH
WHT
FOR 042-060 UNITS ONLY
BRN -- TO C
BRN-- TO OB
BRN-- TO C
TO TRANS
TO ICM
TO SECI
TO TRANS
TO HR
TO HR
TO C
NOTES:
fir ANY OF THE ORIGINAL _IR[S g_NISH{D ARE REPLAC[D_
IT MUST aE REPLACED WITN TYPE 90 _EGREE C WIRE OR
iT'S EOUlVALENT
2SEE PRICE PAGES [OR I_[RNOSIAT AN_ S_8BASES
3USE 75 DEGREE COPPER CONDUCTORS FOR FIEL_ INSIALLAT[O_
4REPLAC[ LO_ VOLIAGE fUSES _IlN _0 GREATER THAN
5 A_P _USES
5REHOVE _I WHE_ USING THERg[DISIAIIH_HIOlSTAI k_p
DEHUMIDIFICATION MO_E
6REHOVE J2 WHEN _SING ELECIRIC HEAl SIAGING
710 BE _IR[_ I_ ACCORDANCE WITH NED AND LOCAL C00£S
B TNIS _SE IS MANUFACTURED BY LITTLE_SE, P/_ 2570_5
MOUNTING PANEL ABOVE
INDOOR BLOWER
UNIT CONPONENT ARRANGEMENT
OUTDOOR FAN
SECTION
_ .... J
CONTROL BOX AREA
SINGLE PT _
CONNECTION
FOR
ELECT }_EAT
DEFROST
BOARD
/
SEE BEATER
SCHEMATIC _
FOR WIRING
IZ_Z[%TL,C__
_EOUIP
GNB
_4V POWER ENTRY
DIP SWITCH SETTINGS
(DEFAULT)
30 MINUTES 60 MINUTES gO MINUTES 12o }4INUTES
#
FIELB SELECTABLE OPTIONS FOR TIRE PE RIOO
BETWEEN DEFROST CYCLES (MINUTES)
THE COMPRESSOR WILL SHUT OFF FOR 30 SEC ON DEFROST
INITIATION AND TERMINATION IN THE "0 DIET SBI_T" O_
POSITIO_
SPEED_ JB_PEREB TEST PINS (USE METAL OBJECT
UP _ FIELD SPEED-UP CYCLE
II _O_ENTARILY SHORT PINS AND RELEASE TO BYPASS
COMPRESSOR OFF DELAY
21 SHORT FOR S+ SEC AND RELEASE FOR FORCED DEFROST
3} PERMANENT SHORT WILL BE IBNOREB
DEFROST WILL TERMINATE IN 30 SEC IF BET OPEN
BEFROST WILL TERMINATE NORMALLY IF D FT IS CLOSED
0_2 060
- 50XZ500242 3,0
AO8467
Fig. 14 - Wiring Schematics - 50XZ Three Phase
12