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Johnson Controls Unitary Products 13
3. Set the appropriate jumper settings to insure proper control functionality (See table below).
HUMIDIFIER CONNECTION
A bypass or fan powered humidifier may be installed with the communicating system. The installer
should physically install the humidifiers according to the instructions that are included with the
humidifier being installed. For information on the wiring of the humidifier, see below diagrams.
Unit Control Jumpers which must be set
Modulating Furnace
Heat Pump
Humidistat
Zone Control
Air Handler (AHV) No Jumpers Required
Air Handler (AV/MV)
Heat/No Heat
AC/HP
Hum Stat
2-Stage Variable Speed Furnace No Jumpers Required
Jumpers listed here are required and if set incorrectly will flag an error upon installation. While the
other jumpers can be set from the Touch Screen Communicating Control, it is good practice to ini-
tially set all jumpers at the respective control. This will avoid any confusion that may occur with
future service at the units. The Hum Stat jumper on the air handler must be set to “YES”.
For installation of a non-communicating indoor unit with the Touch Screen Communicating Con-
trol, the installer should reference the indoor and outdoor unit installation instructions. If informa-
tion is not provided, there may be a need for use of an Communicating Interface Control Field
Kit(S1-33102953000).
Do Not Use a traditional humidistat to control humidifier operation. If a humidifier is installed, the
Touch Screen Communicating Control will operate humidifier.
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