Enviro 170S5FG manual Electric Heat Mql, Standard Features, Optional Features

ELECTRIC HEAT • MQL

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

Side View Front View

Airflow

Blow Thru

(installed on unit discharge)

HEATER AMP CALCULATION

VOLTAGE	AMPs per kW
115/1	8.70
208/1	4.81
230/1	4.35
277/1	3.61
208/3	2.78
230/3	2.51
460/3	1.26
575/3	1.00

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)

Plan View

Airflow

Side View

Draw Thru

(installed upstream of fan)

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.

ENVIRO-TEC 7