Bk18 On Line 2 With Fuse Shown Connected For 265V. For 230V, Connectb Power Cord To Line; Front 5 Desk Switch; 24 Vac - Maytag Amana PTC A Series Service Instructions Manual

SCHEMATICS
REMOTE THERMOSTAT OPERATION
COOLING UNIT
W/ELECTRIC HEAT
FUNCTION
OFF
FAN
COOL
HEAT
NOTES:
1
2
3
4
5
6
7
8
9
10
Wiring is subject to change, always refer to the wiring diagram on the unit for the most up-to-date wiring.
HEAT PUMP W/AUXILLARY
ELECTRIC HEAT
CONNECT CONNECT
FUNCTION
R TO: R TO:
-----
-----
OFF
G G
FAN
G, Y/W1 G, Y/W1
COOL
1ST STAGE
G,B,Y/W1* G,B,Y/W1
HEAT
OR
2ND STAGE
G, W2
G, W2
HEAT
RD33
RIBBED
2
WIRE
1 GN
ELECTRIC
HEATER
BR34 BR35
HEATER HEATER LINE 2
LINE 1
7
C R G W2 Y/ W1 B RS FD RC
ON OFF
MASTER
SWITCH
REMOTE
4
TEMPERATURE
SENSOR
WARNING: DISCONNECT POWER BEFORE SERVICING. WIRING
TO UNIT MUST BE PROPERLY POLARIZED (FOR 265V) AND GROUNDED.
RIBBED WIRE MUST BE CONNECTED AS SHOWN
ON HEAT PUMP MODELS ONLY.
ON UNITS WITH REMOTE WALL MOUNTED TEMPERATURE SENSOR.
ON UNITS WITH FRONT DESK CONTROL SWITCH.
BK18 ON LINE 2 WITH FUSE SHOWN CONNECTED FOR 265V. FOR 230V, CONNECTB
POWER CORD TO LINE 2.
REMOVE FOR 265V APPLICATIONS.
REMOVE FOR NON-HEAT PUMP APPLICATIONS.
FOR REMOTE OPERATION, SET SWITCH TO REMOTE POSITION
IF SUPPLY VOLTAGE IS 208V MOVE 240V LEAD TO 208V TAP ON TRANSFORMER.
265V TRANSFORMER IS NOT SHOWN.
(Condensate Pump - One Stage Heat)
1ST STAGE
ANTICIPATOR
CURRENT: .1
2ND STAGE
ANTICIPATOR
CURRENT: .2
H C F
OD
YL10
FAN/COMP
CAP
RD13
COMP
S
R
C BR14
1
3
WH15
5
A
FAN
FUSE
MOTOR
VT12
6
BK18
Y L 3
( C P )
RD17
BK16
COMP FAN HIGH FAN LOWR-VALVE

24 VAC

ID TUBE
9
24 VAC
OD TUBE
REMOTE/STANDARD
OUTDOOR
THERMOSTAT
SWITCH
CONTROL
FRONT
5
DESK
SWITCH
PTC and PTH
WIRING DIAGRAM
11143201
Condensate
Pump
BK20
2
4
OR8
6
(CP)
Transformer
B
10
Line
W H 6
( C P )
BK19
Y L 1
( C P )
8
INDOOR
FLOODBACK
SWITCH
PROTECTOR
BK40
BK40
BK30
3
BK30
SWITCHOVER
CHASSIS GN1
REV
VALVE
SOLENOID
3
CONTROL
PANEL
65