Part no.:
Delta model no.: HEX110QA
Page 11
1-5. Configuration & Maintenance
Make sure the heat exchanger surface sealed with mounting flange to avoid water
penetrates into shelter through mounting interface. It is suggested to use gaskets sticking
on the mounting flange and seal the gap between flange and cabinet with silicone gel
during installation. There should be
NO
any gap surround gaskets to avoid water
penetrates into enclosure.
The HEX is composed of the key components as the following: Chassis, Heat Exchange
Core, Controller and Fan tray, user can slide out the fan tray easily for replacement of
the controller and fans.
1
3
2
4
7
8
5
6
In order to assure the heat exchanger running at optimal condition, the core should be
cleaned once annually at least; user can clean the core with water directly. The external
side fan blade can also be cleaned with normal pressure water if there is dust
accumulation. Please do not use strong water jet to impact the center of fan and the
surface of core. The bottom hole of the heat exchanger should be clear when the
maintenance. Please also notice that:
1. Check wires are connected correctly, and the insulation is not cracking or broken.
2. Use Self-test to check the unit running correctly or not. And the supplied air of internal
side should be as cooled air.
3. Do not wipe the product with organic solvent, volatile substances like toluene or gasoline,
it will destroy the powder-coated surface.
4. Turn off the power before maintaining.
5. Please turn off power and remove dry contact connector while non-operating for a long
time.
NO. Q'TY
DESCRIPTION
1
1
Case Cover
2
1
Heat exchange (Core)
3
1
Case Body
4
2
External Fans
5
1
External Case Cover
6
1
Internal Case Cover
7
2
Internal Fans
8
1
Controller
