Technical data

9.2 Safety Switch Settings
9.3 Operational Limits
9-4 035B40022-000
YCWM/YCRM
60 75 90 120 150 170 200 240 280
Low Pressure Switch
bar 0,5
High Pressure Switch
bar 22 28
TüV High Pressure Switch
bar 25
Oil Pressure Switch
bar 0,8
Anti Freezing Thermostat
°C 5
Safety Valve
bar 24
Evaporator Water
Differential Pressure Switch
50% of Nominal
Capacity
YCWM/YCRM
60 75 90 120 150
Min.
Max. Min. Max. Min. Max. Min. Max. Min. Max.
Chilled
Evaporator Water outlet °C 5 to 15 (R22) 6 to 15 (R407C)
Liquid
Water outlet Brine outlet °C -10 to 15 (R22) -5 to 15 (R407C)
temperature
Temp. spread °C 3 to 8
Flow rate (1)
m³/h 4,3 20,3 5.0 24,0 6,9 32,7 8,6 42,1 10,4 50,4
Pressure drop (1)
R22 kPa 7,8 149,5 10,4 205,6 9,6 191,6 5,9 125,6 6,7 130,6
R407C
kPa 6,3 112,9 6,7 125,1 6,1 113,8 4,7 93,0 5,3 103,4
Max. working pressure
bar 10
Cooling
Liquid outlet Water outlet °C 25 to 50 (R22) 30 to 50 (R407C)
Liquid
temperature Temp. spread K 3 to 8
(2)
Flow rate (1) m³/h 6,1 24,4 7,2 29,5 8,3 39,2 12,6 50,7 15,2 61,2
Pressure drop (1)
kPa 15,2 212,2 15,7 230,7 13,8 271,4 18,2 265,0 17,7 258,2
Max. working pressure
bar 10
Power supply voltage 400 V, 3 Ø, 50 Hz (nominal)
V 360 to 440
Recommended system water volume (3)
l 730 860 1050 1550 1750
(1) Total unit flow rate and pressure drop are given
(2) YCWM-B & YCWM only
(3) Table shows minimum water / brine volume of system
YCWM/YCRM
170 200 240 280
Min.
Max. Min. Max. Min. Max. Min. Max.
Chilled
Evaporator Water outlet °C 5 to 15 (R22) 6 to 15 (R407C)
Liquid
Water outlet Brine outlet °C -10 to 15 (R22) -5 to 15 (R407C)
temperature
Temp. spread °C 3,5 to 8
Flow rate (1)
m³/h 13,7 31,0 23,0 51,1 23,4 52,6 27,4 61,6
Pressure drop (1)
R22/R407C kPa 8,1 39,4 10,1 46,9 10,8 51,3 12,4 60,4
Max. working pressure
bar 10
Cooling
Liquid outlet Water outlet °C 25 to 50 (R22) 30 to 50 (R407C)
Liquid
temperature Temp. spread K 3 to 8
(2)
Flow rate (1) m³/h 21,6 50,4 27,4 62,0 31,6 67,8 36,0 82,0
Pressure drop (1)
kPa 15,0 77,7 16,9 80,2 17,7 74,6 18,6 89,6
Max. working pressure
bar 10
Power supply voltage 400 V, 3 Ø, 50 Hz (nominal)
V 360 to 440
Recommended system water volume (3)
l 960 1160 1280 1536
(1) Total unit flow rate and pressure drop are given
(2) YCWM-B & YCWM only
(3) Table shows minimum water / brine volume of system