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5.10.7 Coldroom without defrost heater - controller type UR 141 NE
The fan normally continues running during the cooling and defrost cycles. The fan is only stopped in
coolingmodewhenallfourofthefollowingconditionsaresatisfiedsimultaneously:
On-off control activated.
Thermal Fan Delay parameter set other than to --.
Temperature on defrost sensor of Zone x concerned, R1.x, greater than the set Thermal Fan Delay
parameter.Thisconditionoccurswhentemperatureistoohighonthedefrostsensor.
Cooling is stopped by the temperature setpoint plus hysteresis.
5.10.8 Heating circuit - contr. type UR 141 TE, UR 141 NE in single-zone operation
The conditions stated above for fan starting after defrosting apply together with following additions:
Zone 1 fans always starts with the heater relay.
Ifnofurtherconditiontostartthefanisineffect,Zone1fanwillstopwiththeheaterrelay.
The fan remains continuously on when the Fan Delay parameter is set to --.