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ELECTRIC HEAT • MQL
7
STANDARD FEATURES
• G60 galvanized steel casing
• Flanged construction for direct unit
mounting, in blow thru configuration
• Listed for zero clearance installation
• Meets National Electrical Code requirements
• Ni-Chrome wire in ceramic insulators
• Stainless steel element terminals
and hardware
• Element support brackets on maximum
3 1/2" centers
• Solid cover with continuous full height hinge
• Overtemperature protection
• All internal wiring rated for 105°C minimum
• Airflow switch
• Incoming line power distribution block
• ETL Listed in compliance with UL/ANSI Standard 1995
• Single point power connection
• Heater factory mounted to unit with ETL listing as an
assembly
OPTIONAL FEATURES
• Main incoming power disconnect (non-fused) (fused)
• Fusing (main) (per stage)
• Magnetic contactors wired
for disconnecting operation
• Solid state relay with 4-20 mA,
thermistor 0-135 Ohm,
0-16 VDC, or 6-9 VDC control
• Fan control package with heater interlock
contacts (required for single point power connection)
• De-rated elements (for longer life)
Blow Thru
(installed on unit discharge)
Side View Front View
Airflow
Draw Thru
(installed upstream of fan)
Side View
Airflow
VOLTAGE
115/1
208/1
230/1
277/1
208/3
230/3
460/3
575/3
4.81
4.35
3.61
HEATER AMP CALCULATION
AMPs per kW
8.70
1.00
2.78
2.51
1.26
1.Refer to MCA/MOP Calculator at www.enviro-tec.com for MCA and/or MOP calculations.
2.Non-Fused Door Interlock Disconnect Switch shall be sized according to MCA.
3.Fused Door Interlock Disconnect Switch and Main Fusing shall be sized according to MOP.
4.Heaters above 480v must utilize one time secondary limits only.
Plan View
ENVIRO-TEC