1-1
T-288
SECTION 1
DESCRIPTION
1.1
INTRODUCTION
This manual contains operating and electrical
Data, and service instructions for the 68RM35 bus
air conditioning system shown in Table 1-1. The
68RM35 unit is a one-piece system consisting of a
compressor, condenser, evaporator and electrical
control panel sections. The units are installed in
the rear A/C compartment of the bus.
These units interface with the bus driver switches
and pump to provide a complete air conditioning
system.
All control systems are powered by 24 vdc
supplied by the bus battery and alternator or
alternate source.
Operation of the 68RM35 units is controlled
automatically by the electronic thermostat, which
maintains the vehicle’s interior temperature at the
desired set point.
Table 1-1. Model Chart
Model Number
Refrigerant
Electronic Thermostat
Description
Relay Board
Configuration
Fan Motors
68RM35-604-20
R-134a
Adjustable
Heat/Cool
Reheat
Wound Field
Содержание Carrier TRANSICOLD 68RM35-604-20
Страница 1: ...T 288 Rearmount 68RM35 604 20 R 134a NYCDOT...
Страница 20: ...2 3 T 288 Figure 2 2 Automatic High Speed Cool Mode Operation with Reheat TDR 10 SEC...
Страница 21: ...2 4 T 288 Figure 2 3 Automatic High Speed Cool Mode Operation No Reheat TDR 10 SEC...
Страница 22: ...2 5 T 288 Figure 2 4 Automatic High Speed Heat Mode Operation Below 45_F Ambient TDR 10 SEC...
Страница 43: ...5 3 T 288 Figure 5 2 Electrical Schematic Diagam Based on Drawing 68RM35 1038 12 TDR 10 SEC...
