Brivis
50
ICE Fixed Speed OIM
FAILURE TO COMPLETE PROPER START UP AND COMMISSIONING MAY VOID BRIVIS PRODUCT
WARRANTY
7.1 SEQUENCE OF OPERATION
Check correct sequence of operation, then proceed to instruct customer on correct thermostat operation for
refrigerated cooling. Refer to the thermostat operating instructions. .
Ventilation
Set the thermostat to the fan only mode. The fan only will start and operate continuously.
Cooling
On a call for cooling the compressor and outdoor fan/s will start and cycle in response to the thermostat to maintain
the desired room temperature. The heater’s fan will operate continuously or will cycle with compressor depending
on the selected fan mode.
Fault Lockout
When the high or low pressure limiting switch trips the compressor and outdoor fan/s are disabled. The compressor
and outdoor fan will remain off until the system is reset via thermostat or on/off switch.
7.2 COOLING CAPACITY / AIR FLOW
Table 6.
Expanded Ratings (DO-SC22Z91 / DI-XU22) Based on 1100L/s Rated Airflow
Air Temperature Entering
Outdoor Unit °C
Return Air Temperature
Dry Bulb
°C
Wet Bulb
°C
Dry Bulb
°C
Wet Bulb
°C
Dry Bulb
°C
Wet Bulb
°C
21
15
27
19
32
23
27
TC kW
20.7
23.9
24.9
SC kW
17.1
19.6
24.5
30
TC kW
20.2
23.2
24.3
SC kW
16.8
19.4
24.3
35
TC kW
19.2
22.2
23.2
SC kW
16.3
18.8
23.6
40
TC kW
18.3
21.0
22.0
SC kW
15.7
18.2
23.0
43
TC kW
17.1
19.8
21.2
SC kW
14.8
17.2
22.5
46
TC kW
15.5
17.8
20.4
SC kW
13.2
15.5
22.1
TC: Total Cooling Capacity
SC: Sensible Cooling Capacity