Function of UA 410 D
27
Firmware V1.40 - Doku 2.1 06. April 2016
Manual defrosting
Manual defrosting (as required for example in servicing) can be initiated with
S
Operator Terminal
S
System centre / store computer
by choosing Menu 5 Remote Operation – Select Refrigeration Point (CAN bus address) - 3 Timer - 2 Defrost
Timer and setting ON in the line
Man. Defrost
or with
S
Host Computer (see description of PC software LDSWin)
When defrosting is initiated (by the controller or in LDSWin) and is terminated or prevented by de
mand defrosting or termination by defrost sensor, the full safe defrost time must first expire before
defrosting can again be initiated manually.
If a second manual defrost cycle is to initiated directly following, the previous cycle
must
first be ter
minated:
Termination by controller:
Menu 5 Remote Operation – Select Refrigeration Points (CAN bus ad
dress) - 3 Timer - 2 Defrost Timer – Set ”Man . Defrost” parameter (Menu 3-2) to OFF.
Termination in LDSWin:
Click on Terminate Defrost button.
Manual defrosting can then be initiated again immediately.
On the UR 141, parameters cannot be set for a second defrost stage or heating circuit control..
Compressor control during defrosting
Controller type: UA 111 X
Compressors are operated the same as the cooling relays during defrosting.
Controller type: UA 111 XP
Compressors are
not
stopped during defrosting. Compressor control continues through the neutral zone pres
sure switch alone during this time.
4.2.4
Fan control with case controllers
Fan control in multidecks (controller type UR 111 X and UA 111 XP)
The fan continues running during cooling and defrosting. Fans are stopped for an adjustable interval when ex
ternal setpoint toggle is made from Setpoint Set 1 to Setpoint Set 2, but not conversely. This is necessary to en
sure trouble-free closing of the roller blind (e.g. at Lighting OFF).
Operation of the fan relay is inverted, meaning that the contact is open when the fan is running and closed when
the fan is off.
Summary of Contents for UA 410 D
Page 8: ...vi Firmware V1 40 Doku 2 1 06 April 2016 Notice ...
Page 22: ...Application of UA 410 D 14 Firmware V1 40 Doku 2 1 06 April 2016 Notice ...
Page 74: ...Pin and Terminal Assignments of UA 410 D 66 Firmware V1 40 Doku 2 1 06 April 2016 Notice ...
Page 84: ...Operation of UA 410 D 76 Firmware V1 40 Doku 2 1 06 April 2016 Notice ...
Page 132: ...Decommissioning and disposal 124 Firmware V1 40 Doku 2 1 06 April 2016 Notice ...
Page 140: ...Specifications of UA 410 D 132 Firmware V1 40 Doku 2 1 06 April 2016 Notice ...
Page 142: ...Order numbers and accessories of UA 410 D 134 Firmware V1 40 Doku 2 1 06 April 2016 Notice ...