Fan Low - Maytag Amana PTC A Series Service Instructions Manual

SCHEMATICS
COOLING UNIT
W/ELECTRIC HEAT
FUNCTION
OFF
FAN
COOL
HEAT
GY21
BK37
BK37
X3
M1
NOTES: NOTES:
1
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 AND 115V, CONNECT
POWER CORD TO LINE 2.
IF SUPPLY VOLTAGE IS 208V MOVE 240V LEAD TO 208V TAP ON TRANSFORMER.
6
265V AND 115V TRANSFORMER NOT SHOWN.
7
FOR REMOTE OPERATION, SEE CONFIGURATION CHART.
8 IF SUPPLY VOLTAGE IS 208V, MOVE 204V LEAD TO 208V TAP ON TRANSFORMER.
265V AND 115V TRANSFORMER NOT SHOWN.
9 FOR CONTINUOS FAN OPERATION SEE CONFIGURATION CHART.
Wiring is subject to change, always refer to the wiring diagram on the unit for the most up-to-date wiring.
78
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
GN
1
TR AN SFO RM ER
8 ELECTRIC
LINE
HEATER
RD33
BR34
BR34 YL5
(CP)
GY22
X1
LINE 1 HEATER 2
HEATER 1
E1 E2 E3 E4
K4
K5
CP4
CR11
SW2
P10 P11
COM A COM B
ON / OFF
MASTER SWITCH
WARNING: DISCONNECT POWER BEFORE SERVICING. WIRING
TO UNIT MUST BE PROPERLY POLARIZED (FOR 265V) AND GROUNDED.
PTH and PTC-G, K & M Models
(Condensate Pump)
1ST STAGE 1ST STAGE
ANTICIPATOR ANTICIPATOR
CURRENT: .1 CURRENT: .1
2ND STAGE 2ND STAGE
ANTICIPATOR ANTICIPATOR
CURRENT: .1 CURRENT: .1
* FOR A HEAT PUMP
THERMOSTAT USED
ON A STRAIGHT
G
COOL UNIT
H C F
OD
FAN/COMP
YL10
CAP
BR14
RD13
COMP
S
R
C
WH15
FAN
MOTOR
VT12
BK16
RD17
5
BK18
YL3
(CP)
FAN FAN REV
COMPRESSOR HIGH LOW VALVE
LINE 2
E5 E6 E7 E8 E9 E10
K3
K1 K2
K6
P2
P5
P13
DS2 MS1 MS2 EH IN LS FD1 FD2 TF- TF+ C R GL W2 Y/W1 B GH IAT
DS1
BLACK
AUXILIARY REMOTE THERMOSTATE
FRONT
4
DESK
SWITCH
1 2
3 4
OR8
5 6
(CP)
C O ND EN SATE
R ELAY
TR ANSFO R M ER
20
6
A B
LINE
WH6
(CP)
19
YL1
(CP)
X2
X4
M2
USE COPPER
CONDUCTORS ONLY
CHASSIS CHASSIS
GN1 GN1
WIRE LEGEND WIRE LEGEND
HIGH VOLTAGE HIGH VOLTAGE
(FACTORY) (FACTORY)
HIGH VOLTAGE HIGH VOLTAGE
(FACTORY OR FIELD) (FACTORY OR FIELD)
LOW VOLTAGE LOW VOLTAGE
(FACTORY OR FIELD) (FACTORY OR FIELD)
3
CONTROL CONTROL
PANEL PANEL