QMark EFF Series Ceiling-Mounted Fan-Forced Heater
QMARK
A Marley Engineered Products Brand
470 Beauty Spot Rd. E
Bennettsville, SC 29512
SUBMITTAL SHEET
EFF SERIES
CEILING-MOUNTED
FAN-FORCED HEATER
CAPACITIES
1500-4800 Watts
120V, 208V, 240V, 277V, 347V, 480V, 600V
Thermostat Range: 40°-90° F
Air Movement: 150 CFM
Note: 480 volts heaters are 3-phase only.
See Selection Chart for all Options
Project Information
Heater Specifications
| TAG/ITEM | QTY. | CATALOG NUMBER | KW | VOLTS | Ø | AMPS | WEIGHT |
|---|---|---|---|---|---|---|---|
Accessories and Controls
| TAG/ITEM | QTY. | CATALOG NUMBER | DESCRIPTION |
|---|---|---|---|
Approvals
Architect's and Engineer's Specifications
The heating equipment shall include a ceiling mounted EFF electric automatic fan-forced heater suitable for large area heating as manufactured by QMark®, A Marley Engineered Products® Brand, Bennettsville, SC. The heater shall be designed for ceiling surface, recess or T-Bar mounting. Heaters shall be cETLus Listed.
HEATER ASSEMBLY
The heater assembly, which fits in the back box, shall consist of a fan panel upon which is mounted all of the operational parts of the heater.
HEATING ELEMENT
The heating element shall be of the non-glowing design consisting of 80/20 NiCh resistance wire enclosed in a steel sheath to which plate fins are copper brazed. It shall be warrantied for 5 years.
FAN AND FAN MOTOR
The fan shall be five-bladed aluminum. The fan motor shall be totally enclosed.
FAN DELAY SWITCH
Fan control shall be of bi-metallic, snap-action type and shall activate fan after heating element reaches operating temperature. The fan shall continue to operate after the thermostat is satisfied and until the heating element is cool.
THERMAL CUTOUT
A thermal cutout shall be built into the system to shut off the heater in the event of overheating.
DISCONNECT SWITCH
A double-pole single throw disconnect switch shall be mounted on the back box for positive disconnect of power supply. It will be completely concealed behind the faceplate.
BACK BOX
The back box shall be designed for duty as a recessed rough-in box either masonry or frame installations, and is also used with the surface mounting frame in surface mounting installations. The back box shall be 20-gauge galvanized steel and shall contain knockouts through which power leads are brought.
FACEPLATE
The louvered faceplate shall be of 14-gauge cold-rolled steel, phosphatized, then electrostatically painted Beige by a powder coat process. A 1/4-inch mesh screen shall be installed beneath the faceplate to deter the insertion of foreign objects. The face plate shall be secured to the heating unit with tamper-resistant screws.
THREE-PIECE DESIGN
The heater shall be made up of a back box, a heater assembly and a faceplate.
OPTIONS
THERMOSTAT
The optional tamper-resistant thermostat shall be of the bi-metallic, snap-action type with enclosed contacts. It shall be completely concealed behind the faceplate to become tamper-resistant (EFFT1 or EFFT2).
LOW VOLTAGE TIME DELAY RELAYS
24 volt and 120 volt low voltage time delay relays are available as optional equipment to control 208, 240 or 277 volt heaters (with an external supplied 24 or 120 volt control circuit) in conjunction with central energy control systems. The built-in thermostat can then be used as one of the thermostats in an automatic night set back operation (EFFR2 or EFFR12).
LOW VOLTAGE TRANSFORMER/RELAYS
(Primary or Secondary) Transformer/Relays shall be available as optional equipment to control 208, 240 or 277 volt heaters (with single point supply connection and internal supplied 24 volt control circuit) in conjunction with central energy control systems. The built-in thermostat can then be used as one of the thermostats in an automatic night set back operation (EFFTR4 OR EFFTR7).
SURFACE MOUNTING FRAME
The surface mounting frame, designed to allow full surface mounting, shall be of 14-gauge cold-rolled steel, phosphatized, then electrostatically painted by a powder coat process (EFFSM).
T-BAR FRAME
For T-Bar mounting, a 14-gauge cold-rolled steel frame, phosphatized and electrostatically painted by a powder coat process, shall be available. Frame shall be designed to mount in a standard 2' x 2' ceiling grid (EFFTBF).
*QMark reserves the right to change specifications without prior notice.
Models & Specifications
| CATALOG NO. | UPC | VOLTS | PHASE | WATTS | AMPS | BTU/HR | SHIP WT. |
|---|---|---|---|---|---|---|---|
| EFF1500 | 685360148106 | 120 | 1 | 1500 | 12.5 | 5120 | 23 lbs |
| EFF3007 | 68536059075 | 277 | 1 | 3000/1500 | 10.8/5.4 | 10239/5120 | 23 lbs |
| EFF4008 | 68536059136 | 208 | 1 | 4000/2000 | 19.2/9.8 | 13652/6826 | 23 lbs |
| EFF4004 | 68536059099 | 240 | 1 | 4000/2000 | 16.7/14.4 | 13652/10239 | 23 lbs |
| EFF4007 | 68536059129 | 208 | 1 | 3000/1500 | 14.4/12.5 | 10239/5120 | 23 lbs |
| 277 | 1 | 4000/2000 | 13652/10239 | ||||
| EFF4804 | 68536059167 | 240/208 | 1 | 4800/3600 | 20.0/17.3 | 16382/12287 | 23 lbs |
| EFF4807 | 68536059198 | 277/240 | 1 | 4800/3600 | 17.3/15.0 | 16382/12287 | 23 lbs |
| EFF48483 | 685360155845 | 480 | 1 | 4800 | 5.8 | 16382 | 23 lbs |
| EFF48483LV | 685360155869 | 480 | 1 | 4800 | 5.8 | 16382 | 23 lbs |
| EFF3003 | 68536021089 | 347 | 1 | 3000 | 8.6 | 10239 | 23 lbs |
| EFF3006 | 68536021096 | 600 | 1 | 3000 | 5 | 10239 | 23 lbs |
| EFF4003 | 68536021119 | 347 | 1 | 4000 | 11.5 | 13652 | 23 lbs |
| EFF4006 | 68536021140 | 600 | 1 | 4000 | 6.7 | 13652 | 23 lbs |
| EFF4803 | 68536021188 | 347 | 1 | 4800 | 13.8 | 16382 | 23 lbs |
| EFF4806 | 68536021218 | 600 | 1 | 4800 | 8 | 16382 | 23 lbs |
NOTE: Factory-wired for highest wattage, field-convertible to lower wattages. Orders above 7500' sea level require special order.
Optional Accessories:
| CATALOG NO. | UPC | DESCRIPTION | COLOR | SHIP WT. |
|---|---|---|---|---|
| EFFSM | 685360020983 | Surface Mounting Sleeve | Beige | 6 lbs |
| EFFR2 (24V) | 685360020976 | Time delay relay, 45-60 seconds to close when energized; Uses remote 24V or 120V power source | 1 lbs | |
| EFFR12 (120V) | 685360020969 | 1 lbs | ||
| EFFTBF | 685360020990 | T-Bar Frame Kit | 4.5 lbs | |
| EFFT1 | 685360021027 | Single Pole T-Stat. (Field Installed) | 1 lbs | |
| EFFTR4 | 685360021003 | 208/240V Primary Transformer 24V Relay | 1 lbs | |
| EFFTR7 | 685360021010 | 277V Primary 24V Sec. Transformer Relay | 1 lbs |
Dimensions and Clearances:
TOP VIEW
Diagram showing top view dimensions: 18-1/4" length, 15-3/8" width, with cutouts at 1-5/8" from one side and 3-3/4" from the other, and 2-1/2" from the top and bottom edges.
SIDE VIEW
Diagram showing side view dimensions: 19-1/8" height, 3-3/4" depth, with a front recessed box of 18-1/4" height and 1-5/16" depth.
FRONT VIEW
Diagram showing front view dimensions: 19-1/8" height, 15-3/8" width, with a front cover (louvers not shown).
Company Information
No matter the industry or application, Marley Engineered Products has a robust portfolio of innovative, reliable, high-performance comfort heating and ventilation solutions for all your heating needs.
For more information or assistance on your next project, contact Technical Services at 800-642-4328.
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