background image

www.lennoxemea.com

PCUS Thermostat - User Manual - 0821EN

8

9. 

Press the Mode key again to go to time band 2. Leaving the desired action on for now, proceed with setting the 

switch-off time which in our example is 12.00, ignoring the setting of the speed and temperature.
The photo below shows what is indicated in this point

10. 

Press the Mode key to move to the setting of band 3 and select the ON value as the desired action, the desired 

set at 20.0 ° C and the low speed as speed.
The photo below shows what is indicated in this point

11. 

Press the Mode key to move to setting band 4. Leaving the desired action to On for now, proceed with setting 

the switch-off time which in our example is 5.30 pm, ignoring the setting of the speed values and temperature.
The photo below shows what is indicated in this point

12. 

Press the Mode key to switch to the setting of band 1 on Saturday identified by the wording Week 6 and set 

the desired action to OFF

13.

 By pressing the Mode key again, you move to setting band 2 on Saturday identified by the wording Week 6 

and set the desired action to OFF

14.

 By pressing the Mode button again, you move to setting band 3 on Saturday identified by the wording Week 6 

and set the desired action to OFF

15.

 By pressing the Mode button again, you move to setting the band 4 on Saturday identified by the wording Week 

6 and set the desired action to OFF

16.

 By pressing the Mode button again, you move to setting band 1 on Sunday identified by the word Week 7 and 

set the desired action to OFF

17.

 By pressing the Mode button again, you move to setting band 2 on Sunday identified by the word Week 7 and 

set the desired action to OFF

Summary of Contents for PCUS

Page 1: ...CUS Thermostat User Manual Before starting to work with the machine operation read the installation use and maintenance manual PCUS PCUSM Thermostat User manual Installation use and maintenance manual...

Page 2: ...ATURE REGULATION 3 3 OPERATION OF HEAT RECOVERY DEFROST 3 5 AIR INLET OUTLET DAMPER OPERATION 3 6 FREE HEATING COOLING LOGIC OPERATION 3 7 DIRTY FILTER INLET SIGNAL 3 8 REMOTE ON OFF SIGNAL 3 9 EXTERN...

Page 3: ...self 1 COMPOSITION OF PCUS CONTROLLER 1 1 PCUS UNIT The PCUS control system consists of two parts an LCD display and setting and a control unit which contains the interface relays to be connected to t...

Page 4: ...Button 2 Mode Button 3 Ventilation Button 4 Button 5 Button 6 Ventilation Symbol Area Graphical Area 1 Probe indicator displayed on line 2 2 Room temperature and fan icons display 3 Visualization of r...

Page 5: ...and the key 5 allow you to modify the temperature set point 2 6 ELECTRICAL CONNECTION Refer to the attached connection diagram 2 7 PCUS DESCRIPTION The PCUS control system is a thermostat capable of c...

Page 6: ...mode adjustment is envisaged this mode will be fixed with the 10C icon always active and pressing the Mode key will have no effect Similarly if at the manufacturer level only adjustment in cold mode i...

Page 7: ...set for week 1 which identifies the days from Monday to Friday week 6 which identifies Saturday and week 7 which identifies Sunday The following can be selected ventilation speed temperature set poin...

Page 8: ...values and temperature The photo below shows what is indicated in this point 12 Press the Mode key to switch to the setting of band 1 on Saturday identified by the wording Week 6 and set the desired...

Page 9: ...firming all the previously set values by pressing the Mode button several times 22 Change the setting of the desired action from ON to OFF with the or keys The photo below shows what is indicated in t...

Page 10: ...the and keys and then press M to confirm the values The user parameters table is shown below Meaning U0 0 Temperature set point C min 15 max 35 U0 1 Temperature differential C min 0 max 5 U0 2 Antifre...

Page 11: ...0 6 from 0 to 1 The adjustment can be only hot only cold hot and cold In the case of heating only adjustment the 10C icon will be lit and the actual activation of the water valve or the electric heati...

Page 12: ...be activated when the contact is opened The activation of the dirty filters function activates the signal given by the 4th icon however by default it does not perform any action allowing normal operat...

Page 13: ...return air fan speed 1 9 V 40004 R W L0 c Maximum return air fan speed da L0 9 10 V 40016 R W U0 0 Set temperature 15 0 35 0 C 40017 R W U0 1 Temperature differential 0 0 5 0 C 40018 R W U0 2 Antifree...

Page 14: ...to the electronic board before proceeding with the modification The following table shows the meaning of the DIP switches NUMBER MEANING VALUE 1 Unit with three speed fans 0 NO 1 YES 2 Unit with EC fa...

Page 15: ...mmitment to quality the specifications ratings and dimensions are subject to change without notice and without incurring liability Improper installation adjustment alteration service or maintenance ca...

Reviews: