background image

www.lennoxemea.com

PCUS Thermostat - User Manual - 0821EN

10

Example: Time band 3

To activate the operation of the time bands, press and hold the ventilation button until the clock icon with the 
number of the currently active time band appears in the lower part of the display.
The photo below illustrates the operation with time band 1
active.
To disable the operation of the time bands and return to normal operation, press the ventilation button until the 
clock icon disappears.

2.13 USER PARAMETERS

Press at length the M and + key until the first parameter 0.0 is displayed and then with the M key pressed again 
you pass to the next parameter, if you press it at length you pass to the next menu.
You can modify the parameters with 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  Antifreeze set point (°C)

min -10 

max 5

U0.3  Antifreeze differential (°C)

min 0 

max 10

U0.4  Set Point Defrost (°C)

min -10 

max 5

U0.5  Defrost differential (°C)

min 1 

max 10

U0.5  Analog regulation band for heating and cooling (°C)

min 0 

max 10

U0.7  Delay on fans (s)

min 0 

max 180

U0.8  Shut-off delay (s)

min 0 

max 180

U0.9  Defrost type

0 - 7 
nobody

1 - speed 
variation

2 - recirculation

U1.0   CO2 sensor range (ppm) 

min 0 

max 2000

U1.1    RH sensor range (%)

min 20 

max 90

U1.2   VOC sensor range

min 0 

max 50

U1.3   PM2.5 sensor range

min 0 

max 900

U1.4   CO2 Adjustment band

400

U1.5   RH Adjustment band

min 1 

max 10

U1.6   VOC Adjustment band

min 10 

max 10

U1.7   PM2.5 Adjustment band

min 200       max 200 

U1.8   FAN adjustment band in AUTO mode (V)

min 1            max 10 

Example: Time band 4

Содержание PCUS

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Отзывы: