Submittal Sheet
ARCHITECT’S AND ENGINEER’S SPECIFICATIONS*
The heating equipment shall include an electric automatic
fan forced air heater suitable for small area heating, as
manufactured by QMark®, a Marley Engineered Products®
Brand, Bennettsville, SC. The heater shall be designed for wall
mounting, recess or surface. Heaters shall be cETLus listed.
BACK BOX: The back box shall be designed as a recessed
rough-in box in either masonry or frame installations and is
also used when surface mounting frames are used in surface
mounting installations. The back box shall be heavy gauge
galvanized steel and shall contain knockouts through which
power leads enter.
INNER FRAME ASSEMBLY: The heater assembly, which ts
into the back box, shall consist of a heavy gauge steel fan
panel to which all of the operational parts of the heater are
mounted. The inner frame assembly shall be completely pre-
wired.
HEATING ELEMENT: The heating element shall be of the
non-glowing design consisting of an 80/20 nickel-chromium
resistance wire. The element shall cover the entire air
discharge area to ensure uniform heating of all discharged air.
It shall be warrantied for 5 years.
MOTOR AND CONTROLS: The fan motor shall be impedance
protected and permanently lubricated. Fan control shall be
of the bi-metallic, snap-action type and shall activate fan
after heating element reaches operating temperature, and
continue to operate the fan after the thermostat is satised
and until all heated air has been discharged. The thermostat
shall be single-pole type on all models. Thermal cutout shall be
bi-metallic, snap-action type designed to shut o heat in the
event of overheating.
SURFACE MOUNTING FRAME: The surface mounting frame
shall be of heavy gauge steel designed to mount around the
back box for a nished surface installation. Slot knock outs
shall be provided for power supply conduit.
FRONT COVER: The louvered front cover shall be of heavy
gauge steel with a powder paint nish. A plug button will be
provided to replace the thermostat knob and render the unit
tamper-resistant.
FINISH: All sheet metal parts, except the galvanized steel
back box, shall be phosphatized, then completely painted by a
powder paint process.
*In the interest of continual improvements in product and performance,
Marley Engineered Products reserves the right to change specications
without notice.
ZSS-QCOSE | 8-2015
Catalog Number Volts Amps Watts TStat BTU/HR
CZBB Back box only (Used with “IF” sux models)
CZBB6 Back box multi-pack (Used with “IF” sux models)
CZTDP D.P. Thermostat Kit (Range: 40°-85°) (Used with “IF” sux models)
CZSM Surface mounting frame
CRA2CZKIT Retrot kit for CRA
Accessories
CZ1512T
CZ1012T
CZ1548T
CZ1048T
CZ2048T
CZ1512IF
CZ1012IF
CZ1548IF
CZ1048IF
CZ2048IF
120
120
240/208
240/208
240/208
120
120
240/208
240/208
240/208
1500 / 750
1000 / 750
1500/750 - 1125/563
1000/500 -750/375
2000/1000 -1500/750
1500 / 750
1000 / 750
1500/750 - 1125/563
1000/500 -750/375
2000/1000 -1500/750
12.5/6.3
8.4/4.2
6.3/3.1 - 5.4/2.7
6.3/2.0 - 3.6/1.8
8.3/4.2 - 7.2/3.6
12.5/6.3
8.4/4.2
6.3/3.1 - 5.4/2.7
6.3/2.0 - 3.6/1.8
8.3/4.2 - 7.2/3.6
Double Pole
Double Pole
Double Pole
Double Pole
Double Pole
No
No
No
No
No
5115/2558
3410/2558
5115/2558 - 3499/1920
3410/1705 - 2558/1279
6820/3410 - 5115/2558
5115/2558
3410/2558
5115/2558 - 3499/1920
3410/1705 - 2558/1279
6820/3410 - 5115/2558
All models have Northern White Grille.