24vac), B, dohotcqnnectthermostat’e, Pcb ’w3 – Bryant FA4A User Manual
Page 29: Volt fuse, Dtagnostic light o, 0 marked terminal 6 flashes, 7 fiashe6 heat pump h^t
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A U G / 1 4 / 2 0 0 8 / T H U 0 3 : 5 2
UTC TECH PUB
F A X N o , 3 1 7 2 4 0 5 6 6 2
P .
THIS COMPARTMENT MUST BE CLOSED EXCEPT FOR SERVICING
1. USE COPPER WIRE (75-C MIN) OMLVa^EEM
DISCONNECT SWITCH AND UNIT.
"v,
2.
CONNECT LOW VOLTASE WIRINS
AS
SHOWN
(24VAC).
3. CONNECTTHANSFOñMÉflPRIUAHYTO-mEPHOPER
VOLTAGE TERMINAL
4. TO BE WIRED IN ACCORCJANCE WITH NEC AMD LOCAL CODES
5. IP ANY OF THE ORIGINAL WIRE,AS 5UPPUED, MUST BE
REPLACED. USE THE SAME
OH
EQUIVALENT TYPE WIRE
e, REPLACE LOW VOLTAGE FUSE WITTi NO GREATER THAN
6 AMP FUSE.
7, REFERTOTHSHMOSTATINSTRUCnONS FOR'E'JUMPER
INSTAliATlON.
B, DOHOTCQNNECTTHERMOSTAT’E"
to
PCB ’W3".
CAP CAPACITOR
COMM COMMON
F LOW
VOLT FUSE
FW FAN MOTOR
GND EQUIPMENT GROUND
hpl
V
heat
pump
LOW
volt
HTR HEATffl
ls
umit
switch
LED
LVTB
SEQ
TRAN
DtAGNOSTIC LIGHT O
LOW VOLT TERM BRD
SEQUENCER
TRANSFORMER
1 PUSH
£ FLASHES
3 FLASHES
4 FLABHHS
A FLASHES
MINIMUM MOTOR LO SPEED TAP SELECTION
FAN COIL SIZE
030 033 030 035 042 043 030 070
l^MGTOR
speed
AT 20 KW
MED MED LO LO LÖ
LO
LO
LO
322251-101
REV.B
JiFQRM PCBTHANTERMINAL8
--------- REID LOW VOLTAGE
HPLV LEADS
0 MARKED TERMINAL 6 FLASHES
I------ 1 PCB JUMPER (JW)
a UNMARKED TERMINAL
7 FIASHE6
HEAT PUMP H^T
ONLY OPERATING
HEAT PUMP PLUS
iSEQUENCER .
HEAT PUMP PLUS
a SEQUENCERS
HEAT PUMP PLUS
3 SEQUENCERS
COOLMODE
DEFROST MODE
EMERGENCY HEAT
MODE
Fig. 23—Sm^rt Heat Typical Wiring Diagram (Motor Speed at 20kw Shown)
A94132
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29
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