AMST Installation Manual

6
NOTE: If removing only the coil access panel from
must
Failure to do so will result in panel damage.
6.4 Humid Environment Installations
NOTE: Each service kit mentioned in this instruction
is available through your local distributor. The kits are
not supplied with the air handler and must be used
to assist with condensation management in humid
environment applications. The individual installation
instructions provided with each kit must be followed.
6.4.1 ALL INSTALLATIONS – HUMID ENVIRONMENTS
Installations in areas where the return air environment
sees humidity levels above 65% relative humidity, a High
Humidity Kit (HHK) must be used. See Table 2 for Model
and Kit assignment.
HHK0004 HHK0005 HHK0006 HHK0007 HHK0008
AMST24B
AMST30B
AMST36B
AMST36C
AMST42C
AMST48C
AMST48C
AMST48D
AMST60D

6.4.1.2 Downflow Installations – Humid
Environments
The Side Drain Pan must be removed when the unit is


Kit (DFK) must also be used in addition to the High
Humidity Kit (HHK). See Table 3 for the correct DFK for
each model.
DFKE-02 DFKE-03
AMST24B
AMST30B
AMST36B
AMST36C
AMST42C
AMST48C
AMST48D
AMST60D

6.4.1.3 Horizontal Installations – Humid
Environments
In addition to the High Humidity Kit (HHK), in applications
where the air handler is installed in the horizontal position
(Left or Right), and the return air environment sees
humidity levels above 65% relative humidity, a Condensate

Applicable Kit and Model listing can be found in Table 4.
CMK0018 CMK0019 CMK0020
AMST24B
AMST36C
AMST30B
AMST36B
AMST42C
AMST48C
AMST48D
AMST60D

UPFLOW

DOWNFLOW
