Warning: Disconnect Power Before Servicing. Wiring; Ribbed Wire Must Be Connected As Shown; On Heat Pump Models Only; On Units With Front Desk Control Switch - Maytag Amana PTC A Series Service Instructions Manual

SCHEMATICS
COOLING UNIT
W/ELECTRIC HEAT
FUNCTION
OFF
FAN
COOL
HEAT
* FOR A HEAT PUMP
THERMOSTAT USED
ON A STRAIGHT
COOL UNIT
NOTES:
Wiring is subject to change, always refer to the wiring diagram on the unit for the most up-to-date wiring.
REMOTE THERMOSTAT OPERATION
HEAT PUMP W/AUXILIARY
ELECTRIC HEAT
CONNECT CONNECT
FUNCTION
R TO: R TO:
-----
OFF
G
FAN
G, Y/W1
COOL G, Y/W1
1ST STAGE
G,B,Y/W1
G, W2
HEAT
OR
2ND STAGE
G,B,Y/W1
G, W2
HEAT
RIBBED
2
WIRE
1 GN
RD33
ELECTRIC
HEATER
6
265V 230V LINE 1 HEATER
EH IN LS
ON / OFF
MASTER
SWITCH
FUSE
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 FRONT DESK CONTROL SWITCH.

5 BK18 ON LINE 2 WITH FUSE SHOWN CONNECTED FOR 265V. FOR 230V, CONNECT POWER CORD TO LINE 2.
6 CONNECTED TO APPROPRIATE TERMINAL AT FACTORY.
7 FOR REMOTE OPERATION, SET SWITCH TO RMT POSITION
PTC and PTH - C Models
1ST STAGE
ANTICIPATOR
CURRENT: .1
2ND STAGE
ANTICIPATOR
CURRENT: .1
-----
G
H C F
OD
BR14
FAN/COMP
YL10
CAP
RD13
COMP
S
R
C
WH15
FAN
MOTOR
5
VT12
BK18
TERMINAL
BK16
BLOCK
HEATER LINE 2 COMP FAN HIGH
AUXILIARY REMOTE THERMOSTAT
8
FD1 FD 2 TF1 TF2 C R GL W 2 Y/W 1 B GH
RMT/STD
THERMOSTAT
CONTROL
FRONT
4
DESK
SWITCH
WIRING DIAGRAM
20319701
RD14
(PV)
RD17
FAN LOW R-VALVE
OUTDOOR
COIL
INDOOR
COIL
INDOOR
AIR
ON / AUTO
C
FAN
B
CYCLE
A
ALL OFF D
USE COPPER
CONDUCTORS ONLY
CONTROL
CHASSIS GN1
WIRE LEGEND
HIGH VOLTAGE
(FACTORY)
HIGH VOLTAGE
(FACTORY OR FIELD)
LOW VOLTAGE
(FACTORY OR FIELD)
BK20
BK19
PANEL
73