RENR2686
November 2000
797 Truck
Electrical Circuits
Heater and Air Conditioning
5YW1-UP
©2000 Caterpillar
All Rights Reserved
Printed in U.S.A.
HEATER AND AIR CONDITIONING CIRCUITS
RENR2686
797 TRUCK
Media
Number
797 Truck Electrical System
Schematic Titles
RENR2570 797 Truck Electrical System
RENR2680 Power Distribution and Ground Circuits
RENR2681 Starting and Start Aid Circuits
RENR2682 Integrated Brake Control Circuit
RENR2683 Vital Information Management System (VIMS)
RENR2684 Panel Lamp and Miscellaneous Circuits
RENR2685 Washer / Wiper and Turn Signal Circuits
RENR2686 Heater and Air Conditioning Circuits
RENR2687 Chassis Control Circuit
RENR2688 Transmission Control Circuit
RENR2689 Front Engine Control Circuit
RENR2690 Rear Engine Control Circuit
RENR2691 Master Engine Control Circuit
RENR2692 Schematic Tables and Symbol Definitions
RENR2680
RENR2680
RENR2680
AC ON SW
1701304
3
2
A
B
1
2
3
4
5
6
C
D
3E7996
6
5
2
4
3
B
BLOWER SW
1570217
K-C2
520-K58 WH-16
521-K7 YL-16
521-K59 YL-16
521-K7 YL-16
1
2
3
4
5
6
1
2
3
4
5
6
K-C1
CONN 35
40 PIN
1130580
J-C10
3E6286
521-J292 YL-16
521-J292 YL-16
10
11
12
JUNCTION BLOCK
21 TERM
J-C17
1153082
521-J403 YL-14
521-J403 YL-14
521-J402 YL-16
521-J402 YL-16
J-C51
9X7148
25
35
515-K3 GY-16515-J169 GY-16
515-J169 GY-16
1
3
4
5
6
H-C3
3E-3381
1
J-C29
155-2273
3
4
5
6
CONN 38
6 PIN
515-H2 GY-14
515-H2 GY-14
515-H3 GY-14
MOTOR
BLOWER MOTOR
3E6392
WH/RD-141
2
H-C2
3E3360
516-K4 GN-16516-J170 GN-16
516-J170 GN-16 516-H19 GN-14
516-H19 GN-14
515-H3 GY-14
BLOWER MOTOR RESISTOR
1259740
517-K5 BU-16517-J171 BU-16
517-J171 BU-16 517-H20 BU-14
517-H20 BU-14
518-K6 OR-16518-J172 OR-16
518-J172 OR-16 518-H5 OR-14
518-H5 OR-14
520-K58 WH-16
522-H7 WH-14
¡T
THERMOSTAT SW
3E5464
522-H7 WH-14522-J293 WH-14
522-J293 WH-14
124-K8 GN-14
124-K81 GN-14 124-K8 GN-14
124-K81 GN-14
124-J290 GN-14
124-E29 GN-14124-J290 GN-14
1414
E-C1
9X0146
CONN 23
24 PIN
J-C14
7X6222
112-CK26 PU-12
15A
AC BREAKER
3T3643
522-P30 WH-14
522-P29 WH-14
513-P31 OR-14
513-P32 OR-14
513-P33 OR-14
521-P22 YL-14
1
2
3
BK-18
BK-18
AC HI LOW PRESS SW
1145333
ARC SUPPRESSOR
1068704
AC CLUTCH SOL
7N4287
BK-18
BK-18
1
2
P-C31
3E3361
1
2
P-C32
3E3361
1
2
P-C33
3E3361
522-P16 WH-14
25
CN-C4
3E6287
25
35
P-C5
1130581
CONN 57
40 PIN
521-CN37 YL-16
CN-C2
9X7147
CONN 8
40 PIN
522-CN30 WH-14
521-P22 YL-14
522-P16 WH-14
200-K20 BK-16 200-K34 BK-16
200-K33 BK-16
200-K32 BK-16
200-K35 BK-16200-K31 BK-16
200-K38 BK-16
R982-K36 YL-16
200-K37 BK-16
200-K37 BK-16
614-K52 PU-16
200-K37 BK-16
200-K25 BK-16
R982-K45 YL-16
614-K75 PU-16
124-K80 GN-14
200-K20 BK-16200-J352 BK-16
2020
RENR2680
RENR2680
RENR2684
RENR2683
RENR2680
RENR2680
RENR2680
200-EC1 BK-12 200-EC2 BK-14
200-EC3 BK-14
200-EC4 BK-14
593-EC7 GN-14
593-EC8 GN-14
521-EC6 YL-14
125-EC5 OR-12
CONDENSER GP 156-3581
CONDENSER RELAY
3E5239
87a
87
85
86
30
MOTOR
COND MOTOR 1
1463506
WH/RD-14
BK-14
MOTOR
COND MOTOR 2
1463506
WH/RD-14
BK-14
1
2
3
4
5
EC-C1
9X1054
1
2
EC-C2
3E3361
1
2
CONN 26
CONN 25
CONN 24
EC-C3
3E3361
1
EC-C4
1297164
1
EC-C5
1297163
1
2
EC-C6
3E3364
1
J-C18
1297164
1
J-C23
1297163
1
2
J-C33
1552269
200-J335 BK-14
200-J244 BK-14
200-J337 BK-14
200-J341 BK-16
200-J344 BK-14
200-J199 BK-14
200-J236 BK-14
200-J352 BK-16
200-J353 BK-16
200-J386 BK-16
200-J449 BK-12
REAR CAB GROUND BOSS 2
8X4711
112-CK27 PU-12
125-E53 OR-12125-J400 OR-12
11
E-C2
CONN 22
12 PIN
8N1520
11
J-C13
8N1519
20A
AC CONDENSER BREAKER
6T3644
200-H13 BK-14
200-H12 BK-14
CONDITIONER GP 137-2134
200-H11 BK-14
BK-14
