Envicool EMW90HDNC1A - 2.3 Specifications and Modes

User Manual
2 Product Description
EMW90HDNC1A Air-cooled Chiller
9
2.2.3 Operating Mode
The chiller supports the operating modes shown
in Table 2-3.
Table 2-3 Operating mode
Operating
Mode
Description
Stop
When the chiller is working in the
Stop mode, except for the
electronic control part to keep
running, other parts such as the
internal circulating pump are not
running.
Cycle
When the chiller is in the Cycle
mode, only the circulation pump
runs, and the pump runs at a low
speed, and other devices are not
running.
Cool

When there is a refrigeration
demand, the refrigeration
function is turned on, and the
internal circulating pump,
compressor and fans are all
running, and the pump runs at
a high speed.

When there is no refrigeration
demand, the compressor is
turned off, the fans stop
running, and the internal
circulating pump runs at low
speed.

When there is heating
demand, only the internal
circulating pump is turned on.
The pump is running at low
speed, and other components
such as electrical heater is not
running.
Heat

When there is a heating
demand, the heating function
is turned on, the internal
circulating water pump and the
electrical heater run, and the
water pump runs at a high
speed.

When there is no heating
demand, the electrical heater
is turned off and the internal
circulating water pump runs at
low speed.

When there is a cooling
Operating
Mode
Description
demand, only the internal
circulating pump is turned on.
The pump is running at low
speed, and other components
such as the compressor are
not running.
Auto
In the Auto mode, the chiller
automatically enters the Cycle,
Cool and Heat modes according
to actual needs.
2.3 Specifications
Parameter Specifications
The parameter specifications of the
EMW90HDNC1A chiller are shown in Table 2-4.
Table 2-4 Parameter specifications
Parameter
Specification
Operating
voltage range
220V±10% 50/60Hz
Operating
environment
temperature
range
-30°C - +55°C
Operating
relative
humidity range
5% - 95%
Storage
environment
temperature
range
-40°C - +70°C
Storage
environment
relative
humidity range
5% - 95%
Transport
performance
Adapt to land, air and sea
transportation, etc.
Working
altitude
0m - 4000m
The performance will be
reduced by 5% for every
1000m increase when the
altitude is 2000m~ 4000m.
Unit size
(W×D×H)
275mm×1150mm×1040mm
Max. coolant
flow
50L/min