Electric Baseboard
Heaters
2500 & C2500 Series
Installation, Operation & Maintenance Instructions
GENERAL
This heater is designed to provide years of efficient, trouble free operation as a primary or supplementary heat source for comfort
heating in residential and commercial applications. Baseboard heaters must be thermostatically controlled for efficient, safe opera-
tion. A thermostat is not provided with this heater. However, a single or double pole thermostat accessory is available for installa-
tion into this heater at your place of purchase, or the heater may be connected to any suitable wall mounted thermostat that will
meet the electrical load requirements. Installation or use of this product in any manner not described herein will void the warranty
and could result in injury, damage to property, or permanent damage to heater.
WHEN USING ELECTRICAL APPLIANCES, BASIC PRECAU-
TIONS SHOULD ALWAYS BE FOLLOWED TO REDUCE
THE RISK OF FIRE, ELECTRIC SHOCK, AND INJURY TO
PERSONS, INCLUDING THE FOLLOWING:
1. Read all instructions before installing or using the heater.
2. A heater has hot and arcing or sparking parts inside, Do not
use in areas where gasoline or flammable liquids are used
or stored.
3. This heater is hot when in use. To avoid burns, do not let
bare skin touch hot surfaces. Keep combustible materials,
such as furniture, pillows, bedding, papers, clothes, and cur-
tains away from heater.
NAMEPLATE
2543NWC
MODEL NO.
BASEBOARD HEATER
PLINTHE CHAUFFANTE
VOLTS AC
60HZ
WATTS
240/208
750/546
AMPS
3.1/2.7
MARLEY ENGINEERED PRODUCTS
BENNETTSVILLE, SC 29512
Figure 1: Nameplate Location
IMPORTANT INSTRUCTIONS
WARNING
DATE CODE
1009
54E1 LISTED
BASEBOARD HEATER
PATENT PENDING
4104-2109-265
SAVE THESE INSTRUCTIONS
!
4. To prevent a possible fire, do not block air intakes or
exhaust in any manner.
5. Do not insert or allow foreign objects to enter any ventilation
or exhaust opening as this may cause an electric shock or
fire, or damage the heater.
6. Serious injury or death could result from electric shock.
Make sure electrical power supply circuit coming to heater
is disconnected at main disconnect or service panel before
installing or servicing this heater.
Table 1
Total Amps
AWG. Wire Size
0 thru 12
12.1 thru 16
16.1 thru 24
Table 2: Net Volumes of Wiring Compartment
DESCRIPTION
Heater Only (Each Wiring Compartment)
Heater W/SP Thermostat
Heater W/DP Thermostat
Heater W/Heat-Cool Switch Receptacle
Heater W/Duplex Receptacle
Heater W/DP Disconnect Switch
Heater W/Power Relay
Heater W/Transformer Relay
Minimum
Circuit Breaker
or Fuse Size
(Copper)
#14
15 amp
#12
20 amp
#10
30 amp
CUBIC
CUBIC
INCHES CM
14.96
241
11.18
180
11.18
180
9.51
153
11.18
180
11.18
180
10.76
174
2.93
47