18
The gas supply pressure shall be within the maximum and minimum inlet
supply pressures marked on the rating plate with the furnace burners and
in Table 7 Gas pressure.
6.1- GAS PIPE GROMMET
For direct vent (2 pipes) applications, the hole for the gas pipe on the
cabinet must be sealed to prevent air leakage. Install the grommet in the
hole, then insert the gas pipe and apply fillet paste.
7- ELECTRICAL CONNECTIONS
WARNING
FIRE HAZARD
Failure to follow this warning could result in personal injury, death, or
property damage.
Do not connect aluminium wire between disconnect switch and
furnace. Use only copper wire.
Check all factory and field electrical connections for tightness.
Supplied field wiring shall conform to the limitations of 63
°
F (33°C) rise.
7.1- 120 V WIRING
Furnace must have a 120 V power supply properly connected and
grounded.
NOTE:
Proper polarity must be maintained for 120 V wiring. If polarity is
incorrect, control LED status indicator light will flash rapidly and
furnace will
NOT
operate.
Verify that the voltage, frequency, and phase correspond to that specified
on unit rating plate. Also, check to be sure that service provided by utility
is sufficient to handle load imposed by this equipment. Refer to rating plate
or Table 8 Electrical data for equipment electrical specifications.
U.S.A. Installations:
Make all electrical connections in accordance with the current edition of
the National Electrical Code (NEC) ANSI/NFPA 70 and any local codes or
ordinances that might apply.
Canada Installations:
Make all electrical connections in accordance with the current edition of
the Canadian Electrical Code CSA C22.1 and any local codes or
ordinances that might apply.
Use a separate, fused branch electrical circuit with a properly sized fuse
or circuit breaker for this furnace. See Table 8 Electrical data for wire size
and fuse specifications. A readily accessible means of electrical
disconnect must be located within sight of the furnace.
.
Table 8 Electrical data
Max.
Min.
45 000
120-60-1
127
104
10.7
12,6
14
29 (8.8)
15
60 000
120-60-1
127
104
13.1
15,6
12
36 (11.0)
20
75 000
120-60-1
127
104
13.1
15,6
12
36 (11.0)
20
105 000
120-60-1
127
104
15.8
19
12
36 (11.0)
20
120 000
120-60-1
127
104
15.8
19
12
36 (11.0)
20
Max.
Min.
45 000
120-60-1
127
104
10.7
12.6
14
29 (8.8)
15
60 000
120-60-1
127
104
12.6
15
14
29 (8.8)
15
75 000
120-60-1
127
104
12.6
15
14
29 (8.8)
15
105 000
120-60-1
127
104
15.8
19
12
36 (11.0)
20
120 000
120-60-1
127
104
15.8
19
12
36 (11.0)
20
Max.
Min.
45 000
120-60-1
127
104
12.8
15.3
14
36 (11.0)
20
60 000
120-60-1
127
104
12.5
14.9
12
29 (8.8)
15
75 000
120-60-1
127
104
12.5
14.9
14
29 (8.8)
15
105 000
120-60-1
127
104
15.8
19.1
12
36 (11.0)
20
120 000
120-60-1
127
104
15.8
19.1
12
36 (11.0)
20
Max.
Min.
45 000
120-60-1
127
104
13.4
15.9
12
36 (11.0)
20
60 000
120-60-1
127
104
13.1
15.5
12
36 (11.0)
20
75 000
120-60-1
127
104
13.1
15.5
12
36 (11.0)
20
105 000
120-60-1
127
104
16.4
19.6
12
36 (11.0)
20
120 000
120-60-1
127
104
16.4
19.6
12
36 (11.0)
20
1 stage PSC motor
Unit Size
Volts-Hertz-
Phase
Operating Voltage
Range
Maximum
Unit Amps
Unit
Ampacity
Minimum
Wire Size
AWG
Maximum
Wire Length
Ft( m)
Maximum Fuse
or CKT BKR
Amp
2 stage PSC motor
Unit Size
Volts-Hertz-
Phase
Operating Voltage
Range
Maximum
Unit Amps
Unit
Ampacity
Minimum
Wire Size
AWG
Maximum
Wire Length
Ft( m)
Maximum Fuse
or CKT BKR
Amp
2 stage variable speed
Unit Size
Volts-Hertz-
Phase
Operating Voltage
Range
Maximum
Unit Amps
Unit
Ampacity
Minimum
Wire Size
AWG
Maximum
Wire Length
Ft( m)
Maximum Fuse
or CKT BKR
Amp
Modulating furnace
Unit Size
Volts-Hertz-
Phase
Operating Voltage
Range
Maximum
Unit Amps
Unit
Ampacity
Minimum
Wire Size
AWG
Maximum
Wire Length
Ft( m)
Maximum Fuse
or CKT BKR
Amp
Summary of Contents for c105-1-d
Page 20: ...20 Figure 16 Wiring diagram One stage PSC ...
Page 21: ...21 Figure 17 Two Stage PSC Furnace Control ...
Page 22: ...22 Figure 18 Two Stage ECM Furnace Control ...
Page 26: ...26 Figure 21 Direct venting Figure 22 Multi venting ...
Page 37: ...37 Figure 25 Part list 1 Stage PSC ...
Page 38: ...38 Figure 26 Part list 1 Stage PSC continued ...
Page 41: ...41 Figure 27 Part list 2 Stage PSC ...
Page 42: ...42 Figure 28 Part list 2 stage PCS continued ...
Page 45: ...45 Figure 29 Part list X13 ...
Page 46: ...46 Figure 30 Part list X13 continued ...
Page 49: ...49 Figure 31 Part list 2 Stage ECM ...
Page 50: ...50 Figure 32 Part list 2 Stage ECM continued ...