
IMPORTANT: OWNER SHOULD RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE
3310 SERIES
WD1
3310 with Summer Fan Switch, Double Pole TStat and (Optional Disconnect Switch)
WD2
3310 with Summer Fan Switch, Single Pole TStat and (Optional Disconnect Switch)
WD3
3310 with (Optional Double Pole TStat and Disconnect Switch)
WD4
3310 with Single Pole TStat and (Optional Disconnect Switch)
AIL
Alarm Indicator Lights
TROUBLE SHOOTING
Symptom
Possible Fault(s)
Remedy
Heater Does Not Operate
1. Electrical Circuit Open
1. A. Close electric circuit.
B. Verify correct supply voltage.
C. Adjust thermostat to higher setting.
2. Defective Thermostat
2. Check continuity with an ohm meter.
Replace defective part if necessary.
3. Thermal Cut Out Open
3. A. Remove any obstruction from front of heater
(Alarm Light On)
B. Verify correct supply voltage.
Heat On But Fan Does Not Operate
1. Fan Motor Failure
1. A. Verify correct supply voltage.
B. Check motor wiring connections.
C. Replace defective motor if necessary.
Form 9821
ECO 15340
DISCONN ECT
OPTIONAL
DISCONNECT
OPTIONAL
THERMOSTAT
DISCON NECT
OPTIONAL
DISCONNECT
OPTIONAL
WD2
WD3
WD4
WD1
GND
BLACK
LINE
120 277V WHITE
208240V BLACK
THERMOSTAT
AIL
ELEMENT
THERMAL
PROTECTOR
MOTOR
THERMOSTAT
MOTOR
THERMAL
PROTECTOR
ELEMENT
AIL
THERMOSTAT
120277V WHITE
208240V BLACK
LINE
BLACK
GND
MOTOR
THERMAL
PROTECTOR
ELEMENT
AIL
120 277V WHITE
208240V BLACK
LINE
BLACK
GND
MOTOR
120277V WHITE
208240V BLACK
GND
LINE
BLACK
ELEMENT
THERMAL
PROTECTOR
AIL
OPTIONAL
RED JUMPER
RED JUMPER
RED JUMPER
RED JUMPER
9. Field Conversion For Lower Wattage:
To convert heater to
a lower wattage rating. Remove (Red Jumper) from heating
element (See WD1, WD2, WD3 and WD4). The wattage will
be reduced to half of the nameplate wattage. (See Figure 3
for model numbers rated dual wattage).
E3313RP
MODEL NO.
HF3315RP
HF3316RP
WATTAGE
1500
750
3000/2250
1500/1125
4000/3000
2000/1500
VOLTAGE
120
120
240/208
240/208
240/208
240/208
AMPERAGE
12.5
6.25
12.5/10.8
6.2/5.4
16.7/14.4
8.3/7.2
FIGURE 3