Figure 5--1 Electrical Control Panel Relay Board (Rb) & Electronic Thermostat (Th) Outline Views - Carrier EM-17 Operation And Service

5- -1 INTRODUCTION
This section contains electrical wiring schematics covering the models listed in Table 1--1. The schematics shown in
this section provides information for all system models and optional configurations. The EM--17 evaporators are fitted
with 2 blower/motor assemblies. The CM--5 Skirt--Mounted Condenser has 5 fan/motor assemblies and the KR--4
Rooftop Condenser has 4 fan/motor assemblies.
K- -PLUG
L- -PLUG
Figure 5- -1 Electrical Control Panel Relay Board (RB) & Electronic Thermostat (TH) Outline Views.
05/09
SECTION 5
ELECTRICAL
RELAY BOARD (RB)
K4
K2
K1
K3
ELECTRONIC THERMOSTAT (TH)
K4 - - LOAD/UNLOAD RELAY
K2 - - COOL RELAY
K1 - - HIGH/LOW SPEED RELAY
K3 - - HEAT RELAY
5--1
T--336