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York YHJF18 Technical Manual page 21

Lx series split-system heat pumps 14.5 seer – r-410a – 1 phase 1.5 thru 5 nominal tons
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ACCESSORIES
Refer to Price Manual for specific model numbers.
Start Assist Kit - Provides increased starting torque for areas
with low voltage.
See Hard Start Kit Accessory Installation
Manual for Hard Start Kit part number for each model.
Blower Time Delay - Available to increase efficiency when
installed. Installs on indoor section and maintains blower for
approximately one minute after cooling thermostat has been
satisfied.
Low Temperature Cutout (S1-2LT06700224) - Prevents heat
pump operation below -10°F ambient temperature.
SOUND LEVEL - TYPICAL OCTAVE BAND SPECTRUM (without tone adjustment)
Size
Test Condition
Cooling Mode
18
Heating Mode
Cooling Mode
24
Heating Mode
Cooling Mode
30
Heating Mode
Cooling Mode
36
Heating Mode
Cooling Mode
42
Heating Mode
Cooling Mode
48
Heating Mode
Cooling Mode - High Stage
60
Heating Mode - High Stage
Rated in accordance with ARI Standard 270.
Johnson Controls Unitary Products
Compressor Blanket - Designed to further reduce the normal
operating sound.
TXV Kits - S1-1TVM series thermal expansion valves precisely
meter refrigerant for optimum performance over a wide range of
conditions. See System Charge table for TXV part number for
each model.
Outdoor Thermostat (S1-2TD06700124) - Provides additional
staging of supplemental electric heat.
Thermostats - Compatible thermostat controls are available
through accessory sourcing. For optimum performance and
installation, refer to the UPGNET "Low Voltage Wiring Diagram"
document to select and apply controls.
63
125
250
500
67
69
65
67
69
69
64
66
70
73
64
65
72
72
65
68
71
69
64
65
72
70
68
67
72
73
71
72
70
72
69
70
72
70
72
69
73
73
68
71
71
71
68
68
74
73
74
74
71
69
71
73
72
73
70
71
1000
2000
4000
8000
66
62
58
52
67
60
56
53
66
61
59
52
68
62
60
53
66
60
56
51
69
63
58
53
73
67
66
63
71
69
65
64
71
61
57
54
71
63
59
57
68
60
56
51
76
64
63
57
71
61
58
53
72
63
62
57
561923-YTG-E-0613
dBA
SQI
70
19.2
70
19.2
70
19.0
72
19.0
69
19.0
72
19.0
76
19.0
75
19.1
73
19.0
74
19.0
71
19.1
78
19.1
75
19.1
75
19.1
21

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