application with the size system installed for safe and continuous operation. (See Table 5 and 6 for airflow delivery and minimum CFM.) Note
that airflow marked is the airflow which will be supplied in emergency heat mode and heating mode on air conditioners when electric heat is the
primary heating source. In heat pump heating mode when electric heaters are energized, the ECM motor will run the higher of heat pump heating
airflow and electric heater airflow to ensure safe heater operation. The factory selection is the largest heater range approved. (See Fig. 17, A as
indicated.)
B. AC/HP SIZE - Select system size installed
The factory setting for air conditioner or heat pump size is the largest unit meant for application with the model of fan coil purchased. Installer
needs to select air conditioner or heat pump size to ensure that airflow delivered falls within proper range for the size unit installed. This applies
to all operational modes with the exception of electric heat modes. (See Fig. 17, B as indicated.)
Fig. 14—Recommended Condensate Trap
A03002
2” MIN
2” MIN
UNIT
Fig. 15—Insufficient Condensate Trap
A03013
DO NOT USE SHALLOW RUNNING TRAPS!
Fig. 16—Condensate Trap and Unit
A03003
FILTER
ACCESS
PANEL
SECONDARY DRAIN WITH
APPROPRIATE TRAP REQUIRED
(USE FACTORY KIT OR
FIELD-SUPPLIED TRAP)
PRIMARY TRAP REQUIRED
(USE FACTORY KIT OR
FIELD-SUPPLIED TRAP OF
SUFFICIENT DEPTH.
STANDARD P-TRAPS ARE
NOT SUFFICIENT. SEE
FIGURE OF RECOMMENDED
CONDENSATE TRAP)
—11—
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