2
THIS GUIDE MUST BE LEFT WITH THE OWNER FOR
FUTURE REFERENCE
Shipping and Packing List
Kit (10C16) consists of the following:
Quantity Part Component
1
iHarmony Damper
Control Module
(Wall fasteners are
eld-provided)
1
Discharge Air Temperature
Sensor (88K3801)
1 Warranty (W-031-L2-02)
General
The damper control module is compatible with the following Lennox equipment:
• Lennox communicating variable speed or variable capacity (modulating)
indoor and two-stage or variable capacity (modulating) outdoor units.
• Lennox communicating variable speed indoor unit and communicating or
non-communicating (conventional) single-stage outdoor unit (two zones
maximum supported).
• Lennox communicating variable speed indoor unit and communicating
or non-communicating (conventional) two-stage outdoor unit (four zones
maximum supported).
Required Items Sold Separately
The following items are also required for the zoning system to operate:
Part Description
iComfort S30 Ultra Smart
Thermostat (12U67)
Thermostat Only Power
Consumption:
24VAC, 2.96 VA
17A30 iHarmony Zone Sensor are
required for zones 2 through 4.
Power Consumption:
17A30: +10VDC TO +14VDC
(12VDC nominal). Maximum Current
Consumption: Less than 133mA
Zone damper transformer,
see “Table 1. Zone Damper
Transformer Selection Chart” for
correct size.
Optional freezestat, see “Table 7.
Available Freezestats” on page
8 for available freezestats
based on tubing sizes.
Heat Pump Applications Only:
HFC-410A high pressure switch
(550PSI) (27W13) and valve
depressor tee (87071) are
required.
27W13 Power
Consumption:
5VDC sensor supply
and 0.5-4.5VDC
sensor output
Zone dampers — recommended
zone dampers are spring-open
and power-close but you may also
use power-open and spring-close,
or power-open and power-close.
Modulating dampers are not
supported.
For extended dampers,
recommend using relay 56L68.
Power
Consumption:
56L68: 24VAC,
240mA
Damper: Manufacture
dependent.
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