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F5M4: Installation Instructions
Install traps in the condensate lines as close to the coil as possible.
(Fig.
18). Make sure that the outlet of each trap is below its connection
to the condensate pan to prevent condensate from overflowing the drain
pan. Prime all traps, test for leaks, and insulate traps if located above a
living area. Condensate drain lines should be pitched downward at a
minimum slope of 1" (25 mm) for every 10' (3 m) of length. Consult
local codes for additional restrictions or precautions.
Accessories
Humidifier
Connect the humidifier and humidistat to the fan coil unit as shown in
Fig.
19. The cooling lockout relay is optional.
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)
Fig. 18 – Condensate Drain
Sequence of Operation
Continuous Fan
Thermostat closes the R to G connection. G energizes the fan relay on
the PCB which completes the circuit to the indoor blower motor. When
G is de-energized, there is a 90-second delay before the relay opens.
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
FILTER
ACCESS
PANEL
SECONDARY DRAIN WITH
APPROPRIATE TRAP REQUIRED
(USE FACTORY KIT OR
FIELD-SUPPLIED TRAP)
A03003
Fig. 19 – Wiring Layout of Humidifier to Heat Pump
Fig. 20 – Wiring Layout of 1-Stage AC Unit with Dehum
10
A95294A
A95295A
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