E5C2 E5C2
4
Installation
Connections
Input
Connectathermocouple,theE52-THEjThermistororplatinumre-
sistancethermometertotheE5C2asshowninthefollowingillustra-
tion.
Thermocouple input
Platinum resistance
thermometer input Relay output
Thermistor input
Power supply
100/110, 200/220,
110/120, 220/240 VAC
50/60 Hz
Output
If the load circuit isaheatingcontrolsystem,besuretoconnectthe
load to terminals 4 and 5. If the load circuit is a cooling control sys-
tem, be sure to connect the load to terminals 4 and 6. If the heating
controlsystemisconnectedtoterminals 4and6orthe coolingcon-
trolsystemisconnectedtoterminals4and5,thetemperatureofthe
heating control system or cooling control system will be abnormal
and a serious accident may result.
IftheE5C2isinfrequentoperation, suchas proportionaloperation,
addanappropriateexternalrelaytotheE5C2byconsideringtheca-
pacity of the load and the life of the relay.
Power Supply
IfasinglepowersupplyisusedfortheE5C2andtheload,thesupply
voltage of thepowersupply mayvary greatly when the load isopen
or closed if the capacity of the power supply is not large enough.
Make sure that the capacity of the powersupply is large enoughso
thatthesupplyvoltagerangewillbealwaysfrom90%to110%ofthe
rated supply voltage.
The E5C2 operates at either 50 or 60 Hz.
Precautions
Mounting
Track Mounting (E5C2 with P2CF-08)
When mounting two or more E5C2 models with track-mounting
sockets,leaveaspaceofapproximately20mmonbothsidesofthe
sockets where hooks are located.
20
P2CF-08
Panel
Hook
Duct
Flush Mounting
Insert E5C2 into thesquare hole of the panel andinsert an adapter
from the back so that there will be no space between E5C2 andthe
panel. Then, secure the E5C2 with a screw.
Tightening screw
The P3G-08 can be wired in the same way as the P2CF-08.
Dismounting
Ifflushmounted,loosenthescrewoftheadapteranddisengagethe
hooks for dismounting.
Temperature Setting
DonotturnthetemperaturesettingknoboftheE5C2withexcessive
force, otherwise the stopper of the knob may break.
Others
DonotremovethehousingoftheE5C2,otherwisethehousingmay
break.
To clean the surface of the E5C2, use a soft cloth wet with neutral
detergent or alcohol. Do not use any organic solvent, such as paint
thinnerorbenzine,strongacidorstrongalkalitocleanthesurfaceof
theE5C2,otherwisethesurfaceoftheE5C2willbecomedamaged.
OMRON Corporation
Systems Components Division
28th Fl., Crystal Tower Bldg.
1-2-27, Shiromi, Chuo-ku,
Osaka 540 Japan
Phone: 06-949-6012 Fax: 06-949-6021
ALL DIMENSIONS SHOWN ARE IN MILLIMETERS.
To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527.
Cat. No. H081-E1-1 In the interest of product improvement, specifications are subject to change without notice.
Printed in Japan
0496-1M (0496) a