5545023-YTG-G-1121
Johnson Controls Ducted Systems 135
APPLICATIONS AND ACCESSORIES
Refer to Price Manual for specific model numbers.
* For Long Lineset Applications, please see the accessories listed below.
Unit is factory equipped for low ambient operation down to 35F. There are no
additional low ambient kits available for this model. Compressor crank case
heater required for operation below 55F.
Non-Standard Lineset Applications - For installations with
reduced diameter or long linesets, refer to the current version of
the Piping Application Guide P/N 247077, available in the Appli-
cation Bulletins section on
www.simplygettingthejobdone.com.
Start Assist Kit S1-2SA067*****: Provides increased compres-
sor starting torque for areas with low supply voltage. Required
for all units when applied with long linesets. See Price Pages or
Source1 SmartSearch for the correct kit for each application.
Compressor Crankcase Heater Kit (S1-325-*****-***): A
wrap-around electrical resistance heater that warms the com-
pressor sump, reducing the chance of liquid slugging on
startup. Required on all long lineset applications. See Price
Pages or Source1 SmartSearch for the correct part for each
application.
Support Feet S1-HPRKIT-**: Kit of 5 support feet to raise unit
above snow or landscaping. Available in heights of 3", 6" or 12".
Anchor Bracket Ground Mount Kit S1-1HK0701: Firmly
anchors unit to pad or support structure. When properly
installed, approved for ground-mounted applications.
Anchor Bracket Roof Mount Kit S1-1HK0901: Firmly anchors
unit to pad or support structure. When properly installed,
approved for roof-mounted applications.
Indoor TXV Kit S1-1TVM***: Thermal expansion valves pre-
cisely meter refrigerant for optimum performance over a wide
range of conditions. See System Charge Table & Price Pages
for TXV part number for each AC & HP model.
Wall Mount Kit (S1-ACB-**): Includes two brackets to allow
outdoor unit to be securely mounted to a vertical wall. Mounting
hardware is field sourced according to the specific application.
Winter Cover Kit S1-CCVRE***: Custom fit winter cover pro-
tects AC condensing unit from debris during the off-season.
Must be removed prior to unit operation. See Price Pages for
the correct cover for each application.
Cold Weather Charging Tent S1-CHGTENT01: Provides
warm environment to accurately service AC & HP systems in
ambient conditions 55ºF (13ºC) or colder.
Touch-up Paint S1-5130153****: Color matched aerosol paint
for touching up unit chassis and panels. See Price Pages or
Source1 SmartSearch for the correct color for each application.
Compressor Sound Blanket S1-010-07xxx-000: A field
installed dense foam cover that provides 2dBA sound level
reduction. See Price Pages or Source1 SmartSearch for the
correct blanket for each application.
Thermostat: Compatible thermostat controls are available
through accessory sourcing. For optimum performance, these
outdoor units are fully compatible with our YORK Hx™ Touch-
screen Thermostats available through Source1. For more infor-
mation, see the thermostat section of the Product Equipment
Catalog.
SOUND POWER RATINGS
Rated in accordance with ARI Standard 270.
Standard Application Limits*
Maximum Lineset Equivalent Length 80 Ft
Outdoor Ambient Temperature Limits
Cooling Operation
Maximum DB 125°F
Minimum DB 35°F
Stage 1 Cooling Octave Band Sound Power Level (db re. 1-pW)
Model Number 63 125 250 500 1000 2000 4000 8000 dBA SQI
YFK24B21S 62 63 76 62 60 54 48 43 71 19.2
YFK36B21S 65 69 66 70 71 60 55 54 73 19.1
YFK48B21S 75 69 65 70 71 62 59 53 73 19.1
YFK60B21S 71 69 74 74 70 63 62 58 75 19.1
Stage 2 Cooling Octave Band Sound Power Level (db re. 1-pW)
Model Number 63 125 250 500 1000 2000 4000 8000 dBA SQI
YFK24B21S 64 66 69 68 65 59 55 53 70 19.1
YFK36B21S 65 68 66 68 67 59 56 54 70 19.1
YFK48B21S 66 69 66 72 67 61 58 54 72 19.1
YFK60B21S 67 68 70 73 71 64 62 58 75 19.1
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