Ecoer E-EHK05, Руководство по установке, Страница: 7 / 23

Manufacturer reserves the right to change specifications or designs without notice. 10.2019
www.ecoer.com Air Handler Unit Installation Instruction 7/20
3. Applications
3.1 Vertical up-flow
Vertical up-flow configuration is the factory setting on all models.
If return air is to be ducted, install duct flush with floor. Use fireproof resilient gasket 1/8 to 1/4 in. thick
between the ducts, unit and floor. Set unit on floor over opening.
IMPORTANT
Lightly tighten the drain connections so it won’t leak.
Using excessive force may cause damage to the drain connections. Torque applied to drain connections
should not exceed 10.ft.lbs.
Figure 3-1 Dimensions for front connection coil
3.2 Vertical down-flow
A vertical up-flow unit may be converted to vertical down-flow. Remove the front panel and take out the
indoor coil assembly with drain pan, reinstall 180
°
from original position (Figure 3-2 and 3-3).
IMPORTANT
To comply with safety standards and the National Electrical Code for down-flow application, the circuit
breaker(s) on field-installed electric heat kits must be re-installed so that the breaker switch “ON” position
marking is up and “OFF” position marking is down.
CAUTION
Do not install this air handler to vertical down-flow when the motor speed must be TAP4 or TAP5.
When using the unit with electric heat kits, the switch is used only for electric heat on the front of panel.
3.0”
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