Carrier 58BB - Manual (Page 6)

3. When adding a low voltage humidifier to the
system, install a plug-in humidifier relay in
receptacle HR on the control center. Connect
humidifier directly to terminals H and H on the
low voltage terminal strip. Connect leads from
low voltage humidistat, in the conditioned
space, to terminals HS and HS on the low
voltage terminal strip.
IMPORTANT; Set adju.stabie heat antic­
ipator (if provided) to agree with ampere
value of combination ga.s vaive. Failure to
make adjxisiment will result in unsatisfac­
tory temperature control.
VALVE
| heat ANTSOPATOR
\ SETTWÇ
Essex XA^lpho'Taico) T;F 555
ünîftoi 700Û
i • 0.4So
1 G.20o
^ COMBUSTION AIR ^ See NFPA No. 54.
1. If furnace is installed in a confined area, such as
a closet or utility room, provide air for
combustion.
a. Provide two air openings to interior space of
equal area, one located near the top of the
enclosure and one at the bottom.
b. Make sure that openings have free area not
less than l O O s q i n . in area, plus an addi­
tional 1 sq in. for each 1000 Btuh in excess
of 100,000 Btuh input.
c. Where openings to interior spaces are im­
practical, follow the methods outlined in
NFPA No. 54.
2. If furnace is installed in an unconfined area,
such as in a full basement, it can normally be
assumed that infiltration will provide sufficient
air in building of conventional frame, brick or
stone construction. In buildings of unusually
tight construction, provide a permanent open­
ing to the outdoors with a minimum free area
of not less then 1 sq in. per 4000 Btuh total
input ratings of all appliances in space.
3. Consult local codes for special requirements.
CAUTION: Whenever gas appliance is installed
in any area where corrosive atmosphere or
chlorine or chlorinated compounds are present,
bring combustion air into combustion area of
furnace from outdoor source. Failure to do this
can cause excessive corrosion in furnace heat
exchanger.
CIRCULATING AIR SUPPLY
ordinances and NFPA No. 54. Consult local
1. Do not take circulating air from same space as
combustion air Supply may be any mixture of
outdoor and return air with minimum tempera­
ture of 50 F.
LEGEND (Common for Fig. 5 and Fig. 6)
___ Field Power Wiring (115 Volt)
. Factory Power Wiring (115 Volt)
— Printed Circuit Control Center Wiring (11 5 Volt)
----------Field Control Wiring (24 Volt)
---------- Factory Control Wiring (24 Volt)
—.— Printed Circuit Control Center Wiring (24 Volt)
0 Screw Terminal — Field-Connection Points (115 Volt and
24 Volt)
Ш ’4-in Quick-ConnectTerminal - Factory-Wired Connections
(115 Volt and 24 Volt)
NOTES;
1 To change tow speed, pull out speed selector plug and plug in with
desired speed marking facing away from motor shaft.
2 To change motor speed, move red lead to desired terminal on
motor
CAUTION: Do not move w/iire wire. Do iwt operate or>
"High" speed unless cooiiog coii ie used.
3 Wire ¿itocA: 58BD motor leads as indicated forwhiteand red 58BB
motor leads
4 Knockout provided for field installation
5 Total electrical load is less than 1 2 amps
6 Whenever replacing original wire supplied with furnace, use
AWM (90 C with 3/64-in thick insulation for 24-volt and
4/64-in thick insulation for 115-volt) wire or its equivalent
7 Motor(s) furnished with thermal overload protection
Fig. 5 — 58BB.BD Field Power and Control Wiring,
Heating Only Diagram
2. Install ducts and diverting dampers so that
volume of circulating air entering furnace is
unrestricted.
3. Bring return air connection thru top of furnace.
Where there is no complete return duct system,
run return air duct full size to location outside
enclosed area. Return air plenum must extend a
sufficient height above 14 in. required for filter
removal to provide for attachment of return air
duct or grille.
,4