Qmark HBB User Manual
Electric/Hydronic
Baseboard Heaters
(Model D)
Dear Owner,
Congratulations! Thank you for purchasing this new heater manufactured by Marley Engineered
Products. You have made a wise investment selecting the highest quality product in the heating industry.
Please carefully read and follow the installation and maintenance directions shown in this manual. You
should enjoy years of efficient heating comfort with this product from Marley Engineered Products... the
industry’s leader in design, manufacturing, quality and service.
... The Employees of
Marley Engineered Products
Read Carefully - This instruction sheet contains vital information for the proper installation, use and efficient operation of the heater. Carefully read the manual before installation, operation, or cleaning of the heater. Failure to
adhere to the instructions could result in fire, electric
shock, death, serious personal injury or property damage.
Save these instructions and review frequently for continuing safe operation and instructing future users.
WARNING: HAZARD OF FIRE OR ELECTRICAL SHOCK.
1. Keep all electrical cords, foam filled articles, drapes,
bedding and other household furnishings away from
contact with heater. It is recommended all items be
kept a minimum of six (6") inches (152mm) from heater.
2. Do not install baseboard heater below electrical convenience receptacles (outlets).
3. Do not install baseboard heater against vinyl wallpa-
per, paperboard or low density fiberboard surface. Do
not install vinyl drapes or vinyl blinds above heater.
4. Do not recess heater in wall.
5. The installation must comply with applicable local, and
National Electrical Code and utility requirements.
6. Do not remove or by-pass thermal cutout.
7. To reduce the risk of fire, do not store or use gasoline
or other flammable vapors and liquids in the vicinity of
the heater.
8. Personal injury or death could result from electric
shock. Disconnect all power to heater at main panel
before attempting to install or service this heater.
9. Supply voltage must
be the same as heater voltage.
Check heater nameplate and supply voltage before
energizing.
10. Supply wiring must be suitable for 90°C.
Installation & Maintenance Instructions
FILE #E37116
SAVE THESE INSTRUCTIONS
1
!
WARNING
CERTAIN FABRICS DISCOLOR IN TIME FROM INDIRECT SUNLIGHT AND
NORMAL ROOM TEMPERATURE - MOSTLY ORGANIC AND SYNTHETIC
MATERIAL. THEY WILL DISCOLOR MORE RAPIDLY WHEN EXPOSED TO
DIRECT SUNLIGHT AND WARM CURRENTS. HANG DRAPES TO PROVIDE
MINIMUM OF 2 INCHES (51mm) AIR SPACE BETWEEN HEATER FRONT
AND NEAREST DRAPE FOLD AS SHOWN IN EXAMPLE 1, FIGURE 1, OR 6
INCHES (152mm) AIR SPACE BETWEEN TOP OF HEATER AND BOTTOM
OF DRAPES AS SHOWN IN EXAMPLE 2, FIGURE 1. ALLOW MINIMUM
CLEARANCE OF 1 INCH (25mm) FROM DRAPES TO CEILING AND TO TOP
OF FLOOR COVERING TO PERMIT AIR CIRCULATION.
CLEARANCES
FLOORS & CARPETING: HEATERS MAY BE MOUNTED DIRECTLY ON ANY
FLOOR SURFACE, INCLUDING CARPETING. WHERE WALL-TO-WALL CARPETS ARE INSTALLED AFTER THE BASEBOARD INSTALLATION, THE CARPETING CAN BE RUN UP TO THE FRONT AND AROUND THE HEATER BODY.
FULL LENGTH DRAPES: FOR THE MOST SATISFACTORY OPERATION OF
HEATERS, THE FOLLOWING CLEARANCES MUST BE MAINTAINED:
1. HANG DRAPES SO THAT, IN USE, THEY EXTEND BELOW THE CENTER
LINE OF THE HEATER, BUT WITH AT LEAST 1” (25mm) CLEARANCE FROM
THE TOP OF THE FINISHED FLOOR COVERING, SUCH AS CARPET, TILE,
ETC.
2. HANG DRAPES SO THERE IS AT LEAST 2” (51mm) BETWEEN THE
EXTREME FRONT OF THE HEATER AND THE NEAREST FOLD OF
DRAPES, IN THE FOLDED BACK POSITION (OPEN DRAPE POSITION).
3. HANG DRAPES SO THERE IS AT LEAST 1” (25mm) BETWEEN THE TOP OF
THE DRAPES AND THE CEILING.
SHORT DRAPES: HANG DRAPES SO THERE IS AT LEAST 6” (152mm) CLEARANCE ABOVE THE TOP OF THE HEATER.
FURNITURE: DO NOT PLACE FURNITURE AGAINST HEATER. IT IS RECOMMENDED ALL ITEMS BE KEPTA MINIMUM OF 6” (152mm) FROM HEATER.
INSTALLATION OF SINGLE UNIT
Liquid filled baseboard heaters are designed for installation in new or existing construction. In existing construction, baseboard molding should be removed and the
heaters mounted flush against the wall surface. When replacing molding allow 1/16”
(1 mm) clearance between molding and ends of heaters.
NOTE: This heater can be wired in either the right or left hand junction box.
See Table 1 for wiring compartment volumes.
Table 1. Field Wiring Compartment Volumes
Est. Net Total Volume
Description CM
3
In
3
Heater Wiring Compartment (One End) 200 13.25
Heater Wiring Compartment with
T1 or T2 Thermostat Accessory 175 11.25
Accessory Blank Section (No Controls) 2400 145
AC Accessory Section 2300 140
DR Accessory Section 2300 140
CDS2 Accessory Section 2300 140
LVR Accessory Section 2100 130
CAUTION
TO PREVENT POSSIBLE DAMAGE TO INTERNAL HEATER WIRING, ALL
DRILLING OF END CAPS MUST BE DONE WITH END CAPS REMOVED
FROM HEATER.
CAUTION
CAUTION
IMPORTANT
!
2
!
!
!
HEATER MAY BE INSTALLED ABOVE THE FLOOR SUCH AS ATOP A BASEBOARD. HOWEVER, THE POWER SUPPLY MUST ENTER THE HEATER
THROUGH THE KNOCKOUT IN THE BACK OF THE HEATER IF INSTALLED
ABOVE THE FLOOR.
Figure 1. Positioning Drapery Near Heater
Figure 2. Installation of Heater
1. Position the heater at the desired location on the wall as shown in Figure 2. For
maximum heating comfort, position the heater under a window.
2. Mark the location on the wall or floor for the power supply entry into the heater.
Remove the heater from the wall and drill appropriate hole in the wall or floor.
3. Remove the left or right junction box end cap by removing the screw in the end
of the heater and sliding the cap outward from the heater (Figure 3).
4. Remove the front cover of the heater by removing the screws in the lower cor-
ners. Pull the bottom of the cover outward and lift the top of the cover off the
junction box. Repeat for the opposite end. Snap the top of the cover off the center bracket and off the intermediate supports. See Figure 4.
5. Remove the appropriate electrical knockout from the back of the heater or
accessory if necessary. Supply wiring may also enter the raceway through the
floor or wall without using a knockout.
CEILING
1" (25mm) CLEARANCE
(MIN)
DRAPERY
EXAMPLE 1
WALL
2" (51mm) CLEARANCE
(MIN)
1" (25mm) CLEARANCE
(MIN)
FLOOR
BASEBOARD HEATER
CEILING
1" (25mm) CLEARANCE
(MIN)
DRAPERY
EXAMPLE 2
6" (152mm) CLEARANCE
(MIN)
WALL
BASEBOARD HEATER
FLOOR
NOTE: ALLOW 1/8" (3mm) MINIMUM
CLEARANCE AT ENDS OF HEATER FOR
EXPANSION AND CONTRACTION
NAIL POINTS
FLOOR
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