Model Number Description - Chromalox CXHA-03 Installation And Operation Instructions Manual

Contactor
Motor
L2 L1
Contactor
Motor
3PH
Diagram IV - 3 PH Wiring with Fan Switch
CXH-A 0 1 4
Heater Voltage
2 = 240V
3 = 380V
4 = 480V
5 = 415V
Heating Element Rating
03 = 3.0 kW 18 = 18.0 kW
05 = 5.0 kW 20 = 20.0 kW
07 = 7.5 kW 25 = 25.0 kW
10 = 10.0 kW 30 = 30.0 kW
15 = 15.0 kW 35 = 35.0 kW
Electric Blower Unit Heater for Hazardous Locations
Refer to Nameplate
for Input Voltage
3PH
L1 L2 L3
Optional
Disconnet
Switch
Optional Aux. Cont.
GND
L1 L2 L3
Heater
Elements

MODEL NUMBER DESCRIPTION

3 0 3
30 = 24V Controls
6 = 575V 32 = 120V Controls
8 = 208V
9 = 600V
Phase
1 = 1 Phase
3 = 3 Phase
Transformer Color Code Tabulation
PRI
VOLT.
208
240
380
415
415
480
575/600
Primary H1
H2
R
X2
Secondary
X1
Optional Alarm
(Red)
Fan
T3
T2
Heat
T1
(White)
0 4 1
1 = Ethylene Group C & D, E, F, G T3B
2 = Propylene Group C & D, E, F, G T3B
3 = Ethylene Group C, D, F, G T3B
4 = Propylene Group C, D, F, G T3B
00 = No Thermostat
40 = Thermostat
11
PRI. XFMR 120V SEC
LEAD CLRS. LEAD CLRS.
H1 H2 X1 X2
BLK RED BLK WHT
BLK ORG BLK WHT
BLK VIO BLK WHT
BLK YEL BLK WHT
BLK BRN – –
BLK BLK/RED BLK WHT
BLK GRY BLK WHT
Control Transformer
Refer to Nameplate for Primary (Input)
and Secondary (Control) Voltage.
Auto Reset
Manual Reset
High Limit High Limit
Built-In or
External
Thermostat
Connect Thermostat Wires
to the Common and Normally
Closed Terminals of One Pole
on the Thermostat.
Remove this Wire when
Using Thermostat
1 E P
Explosion Proof
0 = No Options
1 = 15 or 30 Amp Disconn. Switch
2 = 60 Amp Disconn. Switch
3 = Pilot Light
4 = Pilot Light and 30 Amp
Disconn. Switch
5 = Pilot Light and 60 Amp
Disconn. Switch
6 = Summer Fan Switch
7 = Summer Fan Switch, Pilot Light
8 = Disconn. Switch with Summer
Fan Switch
9 = Disconn. Switch, Pilot Light
with Summer Fan Switch
24V SEC
LEAD CLRS.
X1 X2
YEL BLU
YEL BLU
YEL BLU
– –
YEL BLU
YEL BLU
YEL BLU
Optional