9. Commissioning & Recommissioning
Installer reference guide / Mono tank integrated type 178
9.6 Check operation measured data
Test Operation Measured Data Collection (after min. 15 minutes, preferred via S-NET Pro/ MWR-WW10N)
Ambient Temperature
°C
Compressor speed (actual)
Hz
Running amps on power supply at the outdoor unit
A
Discharge Temperature
°C
Target Discharge Temperature
°C
Condenser Out Temperature
°C
Evaporator In Temperature
°C
Evaporator Out Temperature
°C
Heating Set Temperature
°C
Heating - Flow (l/min)
l/min
°C
DHW Set Temperature
°C
DHW - Flow (l/min)
l/min
9.7 Recommissioning
• Cold or tepid water discharge from tundish
– The tundish should be installed away from electrical devices.
1
Close cold water supply valve.
2 Open a hot tap.
3 Repressurize the expansion vessel air charge to its set level.
4 Close hot tap.
5 Open the cold water supply valve.
NOTE
Hot water discharge from the tundish :
This indicates a malfunction of a thermal cut-out, operating thermostat or the combined temperature and
pr
essure relief valve. Turn off the electrical supply to the immersion heater and also isolate an indirect unit
from the boiler. Contact the installer or the service agent.
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