Specifications

11
Refer to Nameplate
for Input Voltage
3PH
L1 L2 L3
Optional
Disconnet
Switch
GND
Optional Aux. Cont.
L1 L2 L3
Heater
Contactor
X1
H1
H2
X2
Primary
Secondary
Control Transformer
Refer to Nameplate for Primary (Input)
and Secondary (Control) Voltage.
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
T3
T2
T1
Optional Alarm
Optional
Elements
Manual Reset
High Limit
Auto Reset
High Limit
Motor
3PH
R
Motor
Contactor
L2 L1
(Red)
Fan
Heat
(White)
Diagram IV - 3 PH Wiring with Fan Switch
Transformer Color Code Tabulation
PRI
VOLT.
PRI. XFMR
LEAD CLRS.
120V SEC
LEAD CLRS.
24V SEC
LEAD CLRS.
H1 H2 X1 X2 X1 X2
208 BLK RED BLK WHT YEL BLU
240 BLK ORG BLK WHT YEL BLU
380 BLK VIO BLK WHT YEL BLU
415 BLK YEL BLK WHT – –
415 BLK BRN – – YEL BLU
480 BLK BLK/RED BLK WHT YEL BLU
575/600 BLK GRY BLK WHT YEL BLU
Electric Blower Unit Heater for Hazardous Locations
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
Heater Voltage
2 = 240V 6 = 575V
3 = 380V 8 = 208V
4 = 480V 9 = 600V
5 = 415V
Phase
1 = 1 Phase
3 = 3 Phase
30 = 24V Controls
32 = 120V Controls
00 = No Thermostat
40 = Thermostat
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
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
CXH-A
104033401 PE1
Explosion Proof
MODEL NUMBER DESCRIPTION