Table 7 - Electrical Data
FURNACE
MODEL
045-08 / 024045
070-16 / 048070
090-16 / 048090
110-20/060110
135-20 / 060135
VOLTS-
HERTZ-
PHASE
115-60-1
115-60-1
115-60-1
115-60-1
115-60-1
OPERATING
VOLTAGE*
(VOLTS)
MAX MIN
127 104
127 104
127 104
127 104
127 104
MAX UNIT
(AMPS)
8.1
9.5
10.3
13.1
13.1
* Permissible limits of the voltage range at which the unit operates satisfactorily.
UNIT
AMPACITY#
(AMPS)
10.9
12.6
13.4
16.9
16.9
MAX WIRE
LENGTH_
FT. (M)
34 (10)
29 (9)
27 (8)
34 (10)
34 (10)
MAX FUSE/
CKT BKRt
(AMPS)
15
15
15
2O
2O
MIN WIRE
GAGE
14
14
14
12
12
# Unit ampacity = 125 percent of largest operating component's full load amps plus 100 percent of all other potential operating components' (EAC, humidifier,
etc.) full load amps.
1- Time-delay type isrecommended.
Length shown is as measured 1way along wire path between unit and service panel for maximum 2 percent voltage drop.
GAS
SUPPLY/qf
MANUAL _/ II
SHUTOFF J_ _
VALVE L_
(REQUI RED)j)q¢,N
SEDIMENT-- ]
TRAP ]
UNION _
H
Fig. 22 - Typical Gas Pipe Arrangement
A02035
ELECTRICAL CONNECTIONS
ELECTRICAL SHOCK HAZARD
Failure to follow this warning could result in personal
iniury or death.
Blower access panel door switch opens l15-v power to
control. No component operation can occur. Do not bypass
or close switch with panel removed.
See Fig. 25 for field wiring diagram showing typical field 115-v
wiring. Check all factory and field electrical connections for
tightness.
Field-supplied wiring shall conform with the linfitations of 63 °F
(35 ° C) rise.
ELECTRICAL SHOCK AND FIRE HAZARD
Failure to follow this warning could result in personal
iniury, death, or property damage.
The cabinet MUST have an uninterrupted or unbroken
ground according to NEC ANSI/NFPA 70-2008 and
Canadian Electrical Code CSA C22.1 or local codes to
nfininfize personal iniury if an electrical fault should occur.
This may consist of electrical wire, conduit approved for
electrical ground or a listed, grounded power cord (where
pernfitted by local code) when installed in accordance with
existing electrical codes. Refer to the power cord
manufacturer's ratings for proper wire gauge. Do not use
gas piping as an electrical ground.
21
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