Seresco CWT Series Installation, Operation And Maintenance Manual page 10

Dehumidifier External Systems Connection
Pic. C.1 shows provisions for external systems connections, including ductwork, electric power and control wires
and various piping connections.
CAUTION!
Current manual shows general/default connections' location. For details regarding specific
dehumidifier's connections (actual location, piping sizes and position dimensions, circuit type and flow direction
etc.), refer to the dehumidifier's submittal documentation as well as dehumidifier's labels and stickers.
 Except for the condensate, all other piping systems are optional and may not be present in each
dehumidifier
Condensate Drain Line – side, bottom (through the dehumidifier base).
•
NOTE.
Dehumidifier MUST be equipped with a P-trap at the condensate connection for proper operation! If
dehumidifier is requested from the factory without P-trap, one MUST be installed on site prior to dehumidifier
being commissioned. Refer to the Installation Manual for details.
• Air Conditioning (AC) Connection.
o Packaged AC option (outdoor dehumidifier with outdoor fluid cooler (OAFC) incorporated with the
dehumidifier), does not require piping connection to external AC system or device.
Pic 1.C. shows packaged outdoor model with OAFC mounted at the end of the dehumidifier;

alternatively, if requested, OAFC could be mounted on the roof of the dehumidifier.
o Remote ("split") AC option (indoor or outdoor dehumidifier, connected to external cooled
water/glycol system or remote fluid cooler) – side connection.
• Pool Water Heating – bottom, side.
Space heating (Hot Water connection) – bottom, side.
•
Some connection location options for both, pool and space, heating pipelines, are limited to indoor
o
installation only – refer to submittal documentation
• Space Heating (Gas Heater connection, gas line). If the dehumidifier is equipped with a gas heater (boiler, gas
furnace etc.) for space heating purposes, the gas line connection is to be brought to the gas heater directly.
WARNING!
Gas Line. The gas line must be installed in accordance with respective device documentation
(boiler, furnace, etc.) and local codes and regulations.
Electric Power and Control Connection. Electric power is normally brought to the dehumidifier disconnect,
•
normally incorporated with main electric panel (see Pic. C.1). If dehumidifier is not equipped with the
disconnect, power lines to be brought directly to the main electric panel.
OMM
10
December 2024