Section 5 Accessories; Introduction; Carburetor Heater - Kohler 14RCA Installation Manual

5.1 Introduction

This section describes some of the accessories that are
available for the generator sets. Have accessories
installed by an authorized distributor/dealer or a
licensed electrician. This document does not contain
installation instructions for accessories.
installation instructions provided with each kit.
Use separate conduit for AC and DC leads to reduce the
possibility of electrical interference. Verify that the leads
and conduit do not interfere with the operation of the
generator set or obstruct the service areas. Verify that
the electrical installation complies with the National
Electrical Code (NEC) and all applicable local codes.
See the wiring diagrams in Section 6 for more
information regarding
connections.

5.2 Carburetor Heater

WARNING
Hot engine and exhaust system.
Can cause severe injury or death.
Do not work on the generator set until
it cools.
Servicing the engine heater. Hot parts can cause minor
personal injury or property damage. Install the heater
before connecting it to power. Operating the heater before
installation can cause burns and component damage.
Disconnect power to the heater and allow it to cool before
servicing the heater or nearby parts.
A carburetor heater is recommended for improved cold
starting in locations where the ambient temperature
drops below 0 C (32 F).
prevents condensation and carburetor icing. The heater
turns on when the temperature at the thermostat falls
below approximately 4 C (40 F) and turns off when the
temperature rises above approximately 16 C (60 F).
The carburetor heaters are shown in Figure 5-2.
To install the carburetor heater, follow the instructions
provided with the kit. Figure 5-3 shows the installed
carburetor heater kit installed for a 14 kW generator set.
TP-7091 2/21
Follow the
generator set electrical
The carburetor heater

Section 5 Accessories

Figure 5-4 shows the location for the carburetor heater
kit on a 20 kW generator set.
Verify that AC power is connected to the generator set
as described in Section 3.1. Make sure that the circuit is
backed up by the generator set to provide power at all
times.
The heater thermostat is installed in the cord.
Figure 5-2 shows the location of the thermostat on the
power cord. The heater power cord and thermostat are
located in the generator set housing air intake area/
battery compartment.
For 120 volt models, plug the carburetor heater into the
120 VAC receptacle provided. 240 volt kits use a 3-pin
power connector. Knockouts are provided for the 240V
plugs. See Figure 5-5 and follow the instructions
provided with the heater kits.
Kit Number 120 Volt Kits
Voltage 120 VAC
50/60 Hz
Thermostat ON
Thermostat OFF
Figure 5-1 Carburetor Heater Specifications
1
2
Carburetor Heater for 14 kW Models
1
2
Carburetor Heater for 20 kW Models
1. Power plug
2. Thermostat
3. Heater
Figure 5-2 Carburetor Heaters
240 Volt Kits
240 VAC/60 Hz
230 VAC/50 Hz
4 ± 4 C (40 ± 7 F)
16 ± 3 C (60 ± 5 F)
3
GM19463
3
GM57968
240 Volt Plug
Section 5 Accessories 37