INSTALLATION
8
WIRE
HEATER TO CONTROL (G, H1, H2, H3) and (S1, S2)
K” THERMOCOUPLE WIRE must be Teflon Coated and Teflon Insulated, note RED is NEGATIVE ( - ).
• S1 Type “K” Thermocouple Sensor on heater connects to INLET LIMIT controller.
TUTCO SureHeat sets INLET TEMP LIMIT to 300°F/150°C.
• S2 Type “K” Thermocouple Sensor on heater connects to EXIT TEMP controller.
TUTO SureHeat sets EXIT TEMP ALARM at 1405ºF/763ºC.
HEATER TO CONTROL (G, H1, H2, H3) POWER WIRES are standard 8 to 12 Gauge, 4-wire
(H1, H2, H3, Ground) electrical cable.
WIRE
CONTROL TO MAIN POWER (L1, L2, L3, GND)
MAIN POWER WIRES are standard AWG #8 to 12 gauge, 4-wire (H1, H2, H3, Ground)
electrical cable.
MAIN POWER WIRE fuses must be sized based on maximum heater current.
(see heater ratings to properly size by applicable electrical codes)
MOUNT AND
WIRE HEATER
Mount heater before wiring. Wire according to diagram on Page 9. Follow applicable electrical codes.
1
2
3
WARNING:
THE INLET AIR/GAS SIDE OF THE HEATER IS THE PLASTIC HOUSING END WHERE THE POWER
TERMINALS AND THERMOCOUPLE TERMINAL BLOCK IS LOCATED. INSTALLING THE HEATER IN THE WRONG
ORIENTATION WILL DAMAGE THE HEATER AND CAN CREATE ADDITIONAL HAZARDS AS A RESULT. POWER
CONNECTION WIRE SIZES ARE RECOMMENDED IN THE PRODUCT TABLE ABOVE. THESE ARE RECOMMENDATIONS
ONLY, AND ALL LOCAL, REGIONAL AND NATIONAL ELECTRICAL CODES SHOULD BE CONSULTED.
PROPER TORQUE VALVES FOR FITTINGS
WARNING:
Avoid Damage to Housing
3/8” NPT (Sensor): 4 ft-lb
3/4” NPT (Power): 25 ft-lb
1-1/4” NPT (Air): 7 ft-lb
(Excessive force will crack housing and void warranty)
