Ma
Int
E
nan
CE
Maintenance
74
English
Water temperature range
Operate the product within the following range. For
product protection, compressor operation may be
limited.
Classification
Rated
condition
(inlet/
outlet)
Range (water outlet)
Water
Brine
Cooling
12/7 °C
5 °C ~
25 °C
-10 °C ~
25 °C
Heating
40/45 °C
25 °C ~ 55 °C
f
When using in brine condition in cooling mode,
maintain concentration of brine properly. Also, the
product should be set in low temperature usage. (Refer
to page 46 for how to set hydro controller option.)
f
Apply freeze prevention (such as pump operation,
inserting brine, using brine, etc.) to use water that is
not brine when outdoor temperature is below zero.
f
To use low temperature function, hydro controller
option and Seg23 "E" should be all set.
f
Anti-freeze standard data
- Make sure if brine is charged enough in water
system.
Water outlet
temperature, °C
- 10
~ - 5
- 5 ~
0
0 ~ 2 2 ~ 5
5 ~
20
Ethylene glycol,
%
40
30
20
10
0
Propylene glycol,
%
40
35
25
15
0
Minimum
water outlet
temperature, °C
-10
-5
0
2
5
Cooling
48 °C
43 °C
-15 °C
-10 °C
5 °C
25 °C
Outlet
temperature
Outdoor temperature
Anti-freeze
condition
Water
condition
Heating
43 °C
-5 °C
-25 °C
25 °C
55 °C
45 °C
Outdoor temperature
Outlet
temperature
Freeze prevention
necessity of freeze prevention
When outdoor temperature is low or in winter time,
water in pump and water pipe may freeze and may
cause damage to the product and the pipe. Insulate
the pump and pipe to prevent freezing. If there are
possibility of freezing, operate the pump while the
product is off and drain water inside the pump and
water pipe.
DB68-05916A-09_IM_DVM Chiller Outdoor_EU_EN_.indd 74
2022-05-02 오전 9:00:15
