QTS Submittal

QTS SERIES
470 Beauty Spot Rd. E, Bennettsville, SC 29512
INNER FRAME ASSEMBLY: The inner frame assembly shall consist of a
commercial grade galvanized steel chassis on which are mounted the
heating elements, fan motor and tangential blower, and over temperature
protectors. The inner frame assembly shall be completely prewired with a
plug connection for power wiring. Pigtail leads are provided for thermostat
wiring. The inner frame assembly shall lock into the back box without
fasteners.
HEATING ELEMENT: The heating element shall be of non-glowing
design consisting of 80% nickel, 20% chromium resistance wire enclosed
in a steel sheath to which steel plate fins are brazed. The element shall
cover the entire air discharge area to ensure uniform heating of all
discharge air. The wattage output of the unit shall be adjustable by
removing a jumper wire.
MOTOR AND CONTROLS: The fan motor shall be impedance protected
and permanently lubricated. An optional single pole thermostat accessory
shall be specified when the unit will not utilize a single pole wall
thermostat. Note: Three conductor wire is required when a two pole
thermostat is used.
The over temperature protector shall be bi-metallic, snap-action type
designed to shut off heater in the event of overheating. A pilot light shall
be provided that will illuminate if the over temperature protector operates.
A thermal fuse shall provide secondary thermal cut-out for added safety.
FRONT COVER: The front cover shall be of commercial grade steel
finished in Black polyester powder paint. It will attach to the back box with
two screws.
*
Berko reserves the right to change specifications without prior notice.
Grille
Back Box Front View
B
3-5/8"
15"
3-1/2"
1
15.350 "
DIMENSIONS (In inches)
Back Box Side View
Back Box
Top View
14-1/8
15"
8-7/8"
8-7/8"
3/4"
Knock-outs
(2)
3-1/2
1-1/2
ARCHITECT’S & ENGINEER’S SPECIFICATIONS*
The heating equipment shall include an electric QTS Series
f
an-forced air heater suitable for installing in toe space
areas under cabinets or stairs as manufactured by Berko, a
Marley Engineered Products Brand, Bennettsville, SC.
Heaters shall be cULus Listed.
BACK BOX: The back box shall be commercial grade
galvanized steel and shall contain knockouts through which
field wiring leads enter the box. A ground wire pigtail lead
shall be attached to the back box.
WIRING DIAGRAM
L
1
L
2 or N
SOCKET PLUG
GND
Thermal
F
use
240V-Black
120V-White
Fan
M
otor
Delay
Resistor
Black
Blue
Built-In Single-Pole
Thermostat
Blue
Red
Jumper
Rear Coil
Front Coil
Light
Auto
Reset
Limit
QTS1504T, QTS1500T, QTS1104 (with QTS-TS
accessory), QTS1100 (with QTS-TSP accessory)
Motor
SOCKET PLUG
GND
Thermal
Fuse
240V-Black
120V-White
Fan
Motor
Motor
Delay
Resistor
Blue
Blue
Red
Jumper
Rear Coil
Front Coil
Light
Auto
Reset
Limit
Remote double-pole wall thermostat
M
otor
SELECTION CHART
CATALOG
NUMBER VOLTS AMPS WATTS BTU/HR.
QTS1100 120 9.2/4.7 1125/563 3840/1920
QTS1104 208 4.0/2.0 844/422 2881/1440
240 4.7/2.3 1125/563 3840/1920
QTS1500T 120 12.5/6.3 1500/750 5120/2560
QTS1504T 208 5.4/2.7 1125/563 3840/1920
240 6.3/3.1 1500/750 5120/2560
QTS-TSP Single pole thermostat kit for field installation in
QTS1100 or QTS1104 heater. 25 amps @ 120-240
VAC, 45˚ to 85˚F temperature range.
QTS-AG Adapter Grille 3-1/2” H x 23-3/8” W