20 Johnson Controls Unitary Products
ACCESSORIES
Refer to Price Manual for specific model numbers.
Application Limits
Maximum Lineset Equivalent Length
75 Ft
Outdoor Ambient Temperature Limits
Cooling Operation
Maximum DB 115ºF
Minimum DB 50ºF
Heating Operation
Maximum DB 75ºF
Minimum DB -10ºF
Long Lineset Applications - For installations with more than
75' of equivalent lineset length, refer to the current version of
the Piping Application Guide 247077-UAD-H-0209, available
in the Application Bulletins section on UPGnet.
Start Assist Kit (S1-2SA067) - Provides increased starting tor-
que for areas with low voltage. See Hard Start Kit Accessory In-
stallation Manual for Hard Start Kit part number for each model.
Blower Time Delay - Available to increase efficiency when in-
stalled. Installs on indoor section and maintains blower for ap-
proximately one minute after cooling thermostat has been
satisfied.
Low Temperature Cutout (S1-2LT06700224) - Prevents heat
pump operation below -10 °F ambient temperature.
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.
Low Ambient Pressure Switch Kit (S1-2LA06700424) - Al-
lows the use of air conditioning at low outdoor ambient temper-
atures down to +20°F (-7°C). For use with single-stage models
containing R-410A refrigerant only.
Thermostats - Compatible thermostat controls are available
through accessory sourcing. For optimum performance and in-
stallation, refer to the UPGNET “Low Voltage Wiring Diagram”
document to select and apply controls.
SOUND POWER LEVEL - TYPICAL OCTAVE BAND SPECTRUM (db re. 1-pW)
SOUND POWER LEVEL - TYPICAL OCTAVE BAND SPECTRUM (without tone adjustment)
Size Test Condition 63 125 250 500 1000 2000 4000 8000 dBA SQI
YHJD18S41S7
Cooling Mode
67 71 66 69 65 59 58 55 70 19.2
YHJD18S41S7
Heating Mode
68 70 66 68 67 61 60 57 71 19.2
YHJD24S41S7
Cooling Mode
70 70 66 70 70 64 61 58 73 19.2
YHJD24S41S7
Heating Mode
75 69 66 70 69 64 62 59 73 19.0
YHJD30S41S7
Cooling Mode
69 71 68 70 71 67 66 62 75 19.1
YHJD30S41S7
Heating Mode
70 73 67 69 70 65 64 62 74 19.1
YHJD36S41S7
Cooling Mode
72 73 71 72 73 67 66 63 76 19.0
YHJD36S41S7
Heating Mode
70 72 69 70 71 69 65 64 75 19.2
YHJD42S41S7
Cooling Mode
71 71 73 73 72 67 67 64 77 19.1
YHJD42S41S7
Heating Mode
71 71 71 72 72 69 69 65 77 19.1
YHJD48S41S7
Cooling Mode
72 71 68 69 66 62 57 53 71 19.1
YHJD48S41S7
Heating Mode
71 73 70 72 70 68 65 63 75 19.1
YHJD60S41S7
Cooling Mode
71 71 71 71 71 64 60 57 74 19.1
YHJD60S41S7
Heating Mode
70 70 70 70 70 64 62 62 73 19.2
Rated in accordance with ARI Standard 270
571209-YTG-F-0615
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