The Markel 2600 Series Electric Downflow Unit Heater is a commercial grade unit heater.
CONSTRUCTION: 16 Gauge steel cabinet with epoxy powder coated finish and control compartment with a hinged and latched access door.
OSHA guards standard with all models.
HEATING ELEMENT: Corrosion resistant element with steel sheath and steel spiral fins.
OVERHEAT PROTECTION: All units come equipped with manual reset limit controls to de-energize the heater should an over-temperature situation occur.
FAN and MOTOR: Totally enclosed, 1 speed, 1 phase permanently lubricated, thermally protected motors with unit bearings on 3KW thru 20KW models. Totally enclosed, 2 speed, 1 phase permanently lubricated, thermally protected motors with sleeve bearings on 24KW thru 50KW models.
Axial flow fan blade - 1570 RPM max.
All models equipped with fan purge which allows fan to operate after elements are de-energized to purge residual heat.
TEMPERATURE CONTROLS: 208V, 240V, 277V and 480V units have In-Built 24 Volt transformer for low voltage remote thermostat application.
600V units have In-Built 240V control on 5-20 KW models, 25-50 KW models have 24V control.
25 KW - 50 KW models may operate as 2 stage heaters if 2 stage remote thermostat is used.
DISCONNECT SWITCH: All models equipped with In-Built disconnect except F3F2640, F3F2650 and H3H2650.
The Markel 2600 Series Electric Downflow Unit Heaters can be mounted using an OPTIONAL mounting bracket or a field constructed angle iron bracket.
NOT recommended for mounting with threaded rod or chain.
Markel U3H2630CA1 Electric Downflow Unit Heater Installation Instructions
Markel U3H2630CA1 Electric Downflow Unit Heater Sales Bulletin