Maytag Amana PTC A Series Service Instructions Manual page 71

SCHEMATICS
REMOTE THERMOSTAT OPERATION
COOLING UNIT
W/ELECTRIC HEAT
CONNECT
FUNCTION
R TO:
-----
OFF
FAN
G
G, Y/W1
COOL
G,B,Y/W1*
HEAT
OR
G, W2
NOTES:
1 WARNING: DISCONNECT POWER BEFORE SERVICING. WIRING
TO UNIT MUST BE PROPERLY POLARIZED (FOR 265V) AND GROUNDED.
2
RIBBED WIRE MUST BE CONNECTED AS SHOWN
3
ON HEAT PUMP MODELS ONLY.
4 ON UNITS WITH REMOTE WALL MOUNTED TEMPERATURE SENSOR.
5
ON UNITS WITH FRONT DESK CONTROL SWITCH.
6
BK18 ON LINE 2 WITH FUSE SHOWN CONNECTED FOR 265V. FOR 230V, CONNECTB
POWER CORD TO LINE 2.
7
REMOVE FOR 265V APPLICATIONS.
8 REMOVE FOR NON-HEAT PUMP APPLICATIONS.
FOR REMOTE OPERATION, SET SWITCH TO REMOTE POSITION
9
10 IF SUPPLY VOLTAGE IS 208V MOVE 240V LEAD TO 208V TAP ON TRANSFORMER.
265V TRANSFORMER IS NOT SHOWN.
Wiring is subject to change, always refer to the wiring diagram on the unit for the most up-to-date wiring.
1ST STAGE
ANTICIPATOR
CURRENT: .1
HEAT PUMP W/AUXILLARY
2ND STAGE
ELECTRIC HEAT
ANTICIPATOR
CURRENT: .2
CONNECT
FUNCTION
R TO:
-----
OFF
G
FAN
G, Y/W1
COOL
1ST STAGE
G,B,Y/W1
HEAT
2ND STAGE
G, W2
HEAT
H C
YL10
RD13
RD33
S
R
C
COMP
RIBBED
2
WIRE
1 GN
ELECTRIC
HEATER
FUSE
6
BR35
BR34
BK18
YL5
(CP)
LINE 1 HEATER HEATER LINE 2
7
C R G W2 Y/ W1 B RS FD RC
ON OFF
MASTER
SWITCH
REMOTE
4
TEMPERATURE
SENSOR
(Condensate Pump with Power Vent- One Stage Heat)
F
OD
BK11
FAN/COMP
(PV)
RD14
CAP
(PV)
BR14
BU4
WH8
WH15
(PV)
(PV)
BK17
(PV)
WH7
FAN
(PV)
MOTOR
RD17
BK16
VT12
TERMINAL
BOARD
COMP FAN HIGH FAN LOWR-VALVE
8
INDOOR
SWITCH
24 VAC
ID TUBE
9
24 VAC
OD TUBE
REMOTE/STANDARD
OUTDOOR
THERMOSTAT
SWITCH
CONTROL
FRONT
5
DESK
SWITCH
PTC and PTH
POWER
VENT
MOTOR
MUFFIN
FAN
TRANSFORMER
10
Line
WH6
(CP)
BU9
(PV)
BU10
1 2 3
(PV)
4 5 6
BU2
2
7 8 9
(PV)
POWER VENT
RELAY BK12
ON/OFF
A
B
(PV)
SWITCH
BU15
(PV)
1
2
3 4
Transformer
Line
OR
5 6
(CP)
A
B
YL#
(CP) YL1
(CP)
FLOODBACK
PROTECTOR
BK40
BK40
BK30
3
BK30
SWITCHOVER
CHASSIS
WIRING DIAGRAM
11143001
3
1
10
3
REV
VALVE
SOLENOID
BK19
CONTROL
GN1
PANEL
71