Roberts Gorden Blackheat BH15 UT Installation & Servicing Instructions Manual page 3

S S e e c c t t i i o o n n 1 1 . . I I n n t t r r o o d d u u c c t t i i o o n n
1 1 . . 1 1 W W H H A A T T I I S S A A B B L L A A C C K K H H E E A A T T U U N N I I T T A A R R Y Y H H E E A A T T E E R R S S Y Y S S -
T T E E M M ? ?
The Blackheat BH is a gas-fired, vacuum-assisted, low-
intensity radiant heating system. The BH was devel-
oped by Blackheat
Roberts-Gordon, who pioneered low-intensity heating
in 1962 with their revolutionary CoRayVac system.
Please note that the Blackheat BH is available in sev-
eral configurations. This manual describes the single
burner and double linear versions. The single burner
systems are available in both linear tube and U-tube
configurations. The double linear systems are com-
prised of two linear heaters with a common fan
assembly.
Optionally, HiLo models are available that incorporate
an extra solenoid valve to operate at a low (approx
80%) rate. Linked to a secondary thermostat, this pro-
vides a low rate at an intermediate setting below the
"off" stat. These models are described in manual
174900UK.
Multi-burner systems are covered in manual
172101UK. These systems manifold several heaters
to a single vacuum pump.
1 1 . . 2 2 A A B B O O U U T T R R A A D D I I A A N N T T H H E E A A T T
Radiant heat is the most effective way of providing
comfortable environmental conditions in large open
spaces. Radiant energy operates like light, travelling in
straight lines and can be directed to specific individu-
als and areas which require heating. Comfort levels
are created when the radiant energy is absorbed by
the floor, plant and machinery, and lower walls without
initially losing energy to the air space between.
The objects which have absorbed the radiant energy in
turn release heat to the air and act as low power radi-
ators. In this way, all useable energy is absorbed and
utilised in the occupied zone – the lower 2 metres –
not in the entire structure and roof space. Comfort
conditions are achieved using lower air temperatures
and as a result lower heat losses with a subsequently
lower fuel bill.
1 1 . . 3 3 U U S S E E O O F F A A C C C C R R E E D D I I T T E E D D I I N N S S T T A A L L L L E E R R
Installation of this equipment must only be carried out
by a registered installer. (In the United Kingdom,
installer must be CORGI registered.)
1 1 . . 4 4 G G E E N N E E R R A A L L R R E E Q Q U U I I R R E E M M E E N N T T S S
P
LEASE NOTE THAT
INSTALLATION AND SERVICING INSTRUCTIONS MAY INVALIDATE THE
LIMITED WARRANTY SET OUT IN SECTION
.
TIONS
B
EFORE PROCEEDING WITH THE INSTALLATION OF THE
B
LACKHEAT UNITARY SYSTEM IT WILL BE HELPFUL TO CHECK
* Halogenated Hydrocarbons are a family of chemical compounds characterized by the presence of halogen elements (fluorine, chlorine,
bromine, etc.). These compounds are frequently used in refrigerants, cleaning agents, solvents, etc. If these compounds enter the air
supply of the burner, the lifespan of the heater components will be greatly reduced. An outside air supply must be provided to the burn-
ers whenever the presence of these compounds is suspected. Warranty may be invalidated if the heater is exposed to halogenated hydro-
carbons.
in partnership
FAILURE TO COMPLY STRICTLY WITH THESE
11
OF THESE INSTRUC
THAT THE FOLLOWING POINTS HAVE BEEN CAREFULLY CONSID
.
ERED
1.4.1
Highly elevated installations:
1. Do you have the proper equipment to install and
with
maintain the system in the proposed location?
2. Do you have suitable equipment to access the sys-
tem for maintenance after the system is installed?
3. Will the proposed location allow future access to
the system (i.e., will machinery be erected at a later
date that may make access to the system difficult
or impossible)?
NOTE: D D O O N N O O T T lean ladders against a suspended
4. Is the installed height within the parameters speci-
fied by the manufacturer?
1.4.2
Ventilation/Air Supply:
1. Will a flue be added to the system? If so, have you
checked the flue recommendations specified by
the manufacturer?
2. Is there an adequate supply of fresh air to support
combustion
1.4.3
Environment of the Facility:
1. Are there halogenated hydrocarbons* and/or other
combustible materials (i.e., cleaning agents, wood,
paper, rubber, etc.) within the area to be heated?- If
so, is there adequate exhaust ventilation and clear-
ances?
NOTE: In poorly vented, dusty areas, fresh outside
1.4.4
Clearances to Combustibles:
1. Be sure that the clearances (as recommended by
the manufacturer) to halogenated hydrocarbons
and/or other combustible materials is observed.
2. Be sure that the manufacturer recommended
clearances between the heater system and vehi-
cles parked below are maintained.
3. Be sure that signs are posted in storage areas to
specify maximum stacking height below the heater
system.
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4. If the radiant tubes must pass through the building
structure, be sure that adequate sleeving and fire
stop is installed to prevent scorching and/or risk of
heater system. The BH unitary systems
employ a non-rigid attachment system that
will not support external apparatus.
air should be provided to prevent premature
aging of the equipment.
In very dusty areas (i.e., woodworking facili-
ties) regular dusting of the tubes and reflec-
tors is essential as a fire preventative
measure.
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