Weather-Rite XT112, Installation, Operation & Service Manual

Page: 7 / 98

SECTION 1: A
IR
H
ANDLER
S
AFETY
1
SECTION 1: AIR HANDLER SAFETY
Yo u r Safety is Important to Us!
This symbol is u sed thro u gho u t
the man u al to notify yo u of
possible fire, electrical or b u rn
hazards. Please pay special
attention
w hen reading and
follo w ing the w arnings in these
sections.
Installation, ser v ice and, at a minim u m, ann u al
inspection of air handlers m u st be done by a
contractor q u alified in the installation and ser v ice of
gas-fired heating eq u ipment.
Read this man u al caref u lly before installation,
operation or ser v ice of this eq u ipment.
This air handler is designed for heating non-
residential indoor spaces. Do not install in residential
spaces. These instr
u ctions, the layo u t dra w ing, local
codes and ordinances and applicable standards that
apply to gas piping, electrical
w iring, v entilation, etc.
m u st be thoro u ghly u nderstood before proceeding
w ith the installation.
Protecti v e gear is to be w orn d u ring installation,
operation and ser v ice in accordance to the
Occ u pational Safety and Health Administration
(OSHA). Gear m u st be in accordance to NFPA 70E,
latest re v ision w hen w orking w ith electrical
components. Thin sheet metal parts ha v e sharp
edges. To pre v ent inj u ry, the u se of w ork glo v es is
recommended.
Before installation, check that the local distrib u tion
conditions, nat u re of gas and press u re and
adj u stment of the appliance are compatible.
The eq u ipment m u st be applied and operated u nder
the general concepts of reasonable u se and installed
u sing the best b u ilding practices.
This piece of eq u ipment is not intended for u se by
persons (incl u ding children) w ith red u ced physical,
sensory or mental capabilities, or lack of experience
and kno
w ledge, u nless they ha v e been gi v en
s u per v ision or instr u ction concerning u se of the
eq u ipment by a person responsible for their safety.
Children sho u ld be s u per v ised to ens u re that they do
not play w ith the eq u ipment.
For additional copies of the Installation, Operation
and Ser
v ice Man u al, please contact Weather-Rite
LLC.
Gas-fired eq u ipment is not designed for u se in
atmospheres containing flammable v apors or d u st or
atmospheres containing chlorinated or halogenated
hydrocarbons. Recirc
u lated room air may be
hazardo u s if containing flammable solids, liq u ids,
and gases; explosi v e materials; and/or s u bstances
w hich may become toxic w hen exposed to heat (i.e.
refrigerants, aerosols, etc.).
1.1 Description of Operation
This air handler is a direct, gas-fired, fresh-air piece
of eq
u ipment. It is designed for indoor or o u tdoor
installation w ith fresh o u tdoor air deli v ered to the
b u rner. Air handlers are designed to operate in
temperat u res as lo w as -30° F (-34° C). The air
handler is factory-tested to fire w ith nat u ral gas or
LPG (check the air handler's rating plate for
information on the appropriate gas). The b
u rner
flame w ill mod u late to maintain the selected
discharge air temperat u re or room air temperat u re,
depending on the selected controls. See Page 49,
Section 17.2 . For maxim u m temperat u re rise, See
Page 66, Table 18 .
The air handler may be pro v ided w ith se v eral
different controls and options to meet v ario u s
application req u irements. Be s u re to read this entire
man u al before installation and start- u p.
1.2 Inspection and Setup
The air handler is shipped f u lly assembled. The air
handler w as inspected and operated prior to
shipment. Immediately u pon receipt of the air
handler, check the f u el and electrical characteristics
of the air handler and v erify that they match the f u el
and electrical s u pply a v ailable. Verify that the
specifications on the air handler rating plate match
the order. Check the air handler for any damage that
may ha
v e occ u rred d u ring shipment. If any damage
is fo u nd, file a claim w ith the transporting agency. Do
not ref u se shipment. Check the installation location
to ens u re proper clearances to comb u stibles. See
Page 5, Section 3.1 .
Any small options w hich do not come attached to the
air handler (i.e. remote panel) w ill be fo u nd inside the
air handler.
Larger accessories (i.e. legs, stand, filter section,
inlet hood) may either ship
w ith the air handler or
separately. Check the bill of lading for information.
If the air handler m u st be temporarily stored (i.e. job
site is not ready for installation of the air handler), the
air handler sho
u ld be set on 4" x 4" (10 cm x 10 cm)
pieces of timber on the gro u nd in a protected area.
Co v er the air handler to protect it from the
en v ironment. Weather-Rite LLC w ill not be held
responsible for any damages that may occ u r from
o u tdoor storage.