Installation
8
DryCool HD Operator and Maintenance Manual
P00960167-1
3.2.1. Positioning the Unit
It is important that the intended installation site meets the location and space requirements for the unit in order
to achieve the best possible performance and trouble-free operation.
MAKE SURE THE UNIT IS LEVEL.
The appendix section shows the dimensional drawings for units. Allow specified clearances around the unit on
all sides for maintenance access. Units should have free access to all access panels and doors.
3.2.2. Installation
Requirement
Checklist
Check all items in this listing to insure proper installation prior to unit startup.
1.
Check all electrical service and wiring.
All electrical service must be provided to accommodate the unit MCA (Minimum Circuit
Ampacity). It must be suitably protected against short circuit and ground fault by a suitable means
using the MOP (Maximum Overcurrent Protection).
2.
Check and install all Duct connections.
Duct connections for supply and return air are adequate for the unit.
On supply discharge ductwork, allow for adequate length of 6ft or more of acoustical flex ducting
on the outlet side is available. See the installation section for detailed information. Details on
ducting standards can be found in
SMACNA
publication "HVAC Systems – Duct Design" and
Chapter 18 of
2008 ASHRAE HVAC
Systems and Equipment Handbook.
3.
Install and/or Check external piping, condensate drains, and drip pans make sure they are cleaned of
any debris.
The drain trap needs to be primed with water prior to start-up and after
extended periods of unit shut down (winter months).
4.
Install and/or Check approved “P” trap on cooling and drain pan as required per local installations.
5.
Install all humidistats; sensors, damper actuators, remote sensors and/or other humidity control
devices.
Do not
install the humidistat where it may not accurately sense the relative humidity, such as
near HVAC supply registers, exterior doors, or near a pool or spa.
6.
Check installed ducting and connections for tightness.
3.2.3. Connecting Air Supply Duct
1.
Air duct connections must be completed according to
U.M.C., A.M.C.A., S.M.A.C.N.A.,
and/or state
and local code requirements. Refer to the plans and specifications supplied with the unit.
2.
Where all flex-ducting is required be sure it is all UL listed. (This prevents ductwork from transmitting
vibrations).
3.2.4. Connecting
Electrical
Service
The DRYCOOL™ HD plugs into a common grounded outlet on a 15 Amp circuit. It draws between 6 and 7
Amps under normal operating conditions. If used in a wet area, a ground fault interrupter protected circuit is
required.
