3
3310 SERIES
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
(Alarm Light On)
3. A. Remove any obstruction from front of heater.
B. Verify correct supply voltage.
Heater 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.
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)
MODEL NO.
VOLTAGE
WATTAGE
AMPERAGE
E3313RP
120
1500
12.5
120
750
6.25
HF3315RP
240/208
3000/2250
12.5/10.8
240/208
1500/1125
6.25/5.4
HF3316RP
240/208
4000/3000
16.7/14.4
240/208
2000/1500
8.3/7.2
FIGURE 3
WD-1
3310 with Summer Fan Switch, Double Pole T-Stat and (Optional Disconnect Switch)
WD-2
3310 with Summer Fan Switch, Single Pole T-Stat and (Optional Disconnect Switch)
WD-3
3310 with (Optional Double Pole T-Stat and Disconnect Switch)
WD-4 3310 with Single Pole T-Stat and (Optional Disconnect Switch)
AIL
Alarm Indicator Lights
IMPORTANT: OWNER SHOULD RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE
120-277V WHITE
208-240V BLACK
LINE
BLAC
K
GN
D
WD-1
MOTOR
ELEMEN
T
AIL
THERMOSTAT
THERMOSTAT
MOTOR
THERMAL
PROTECTO
R
ELEMEN
T
AIL
THERMOSTAT
120-277V WHITE
208-240V BLACK
GN
D
LINE
BLAC
K
ELEMEN
T
AIL
OPTIONAL
RED JUMPER
RED JUMPER
RED JUMPER
RED JUMPER
120-277V WHITE
208-240V BLACK
LINE
BLAC
K
GN
D
MOTOR
THERMAL
PROTECTO
R
ELEMEN
T
AIL
120-277V WHITE
208-240V BLA
C
K
LINE
BLAC
K
GN
D
DISCONNECT
OPTIONAL
DISCONNECT
OPTIONAL
THERMOSTAT
DISCONNECT
OPTIONAL
DISCONNECT
OPTIONAL
WD-2
WD-3
WD-4
MOTOR
THERMAL
PROTECTO
R
THERMAL
PROTECTO
R
Form 9821
ECO 1-7472
REV. 10-19-18