SECTION 7
Wiring
Heaters are normally controlled by thermostats. Heaters must be
electrically grounded in accordance with the National Electrical
Code, ANSI/NFPA 70 or current Canadian Electrical Code, CSA
C22.1.
•
If any of the original wire as supplied with the appliance must
be replaced, it must be replaced with wiring material having a
temperature rating of at least 105 °C and rated for 600V
•
Each burner must be electrically grounded in accordance with
the National Electric code ANSI/NFPA-70- latest version
FIGURE 18B
blk
L1
wh
N
Earth Ground
SW1 - Panel Interlock Switch
C1 - 1.5 ufd @ 450 volts
Wire is AWG18 Stranded @ 600 volts - 105 degrees C
Crimp Caps are # CE5 - 105 degrees C
(Neutral Connection Not Needed in this Configuration)
WIRING DIAGRAM
Flame Sense
blk
blk
T1
24 V
red
red
wh
wh
grn
grn
Enerco | Heatstar ER2STG Tube Series Heater
24V
W1
W2
BURNER BOX CONNECTION
TUBE BURNER CONNECTIONS
FIGURE 18A
NOTE:
• Connecting the top two terminals of the bushing
located at the bottom left of the back of the
burner box will give you low fire
• Connect all three of the terminals for high heat
HSI
Burner
To Thermostat
24V
W1
W2
Pressure Switch
blue
grn
17
Operating Instructions and Owner's Manual
THERMOSTAT CONNECTION
R
W1
LOW HEAT
W2
HIGH HEAT
INTERNAL THERMOSTAT WIRING
INTERNAL THERMOSTAT WIRING
M
SW1
C1
GV
grn
brn
wh
F1/120
F2/IND
S1/240
R
S1/120
FC+ FC-
L1
LED
N
S2/FS
PSW
W
24 VAC
MV1
GRND
PCB1
blk