Table of Contents
Related Manuals for Lennox VESZC1
Summary of Contents for Lennox VESZC1
- Page 1 Multi-VRF Centralized Controller Owner's Manual Commercial Air Conditioners Model: VESZC1 D Thank you for selecting LENNOX air conditioners. Please read this manual carefully before operation and keep it for further reference.
- Page 2 User Notice All indoor units must be supplied with unified power. Make sure communication cord is connected with the proper port, otherwise there may occur communication malfunction. Never knock on, throw or frequently detach the centralized controller. ...
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Page 3: Table Of Contents
Contents 1 INSTALLATION ...................... 1 1.1 I NSTALLATION EQUIREMENTS ................2 1.2 W IRING NSTRUCTIONS ..................3 1.3 I NSTALLATION ROCEDURE ................6 1.4 R EMOVAL ROCEDURE ..................8 2 DISPLAY AND WORKING INSTRUCTIONS ............... 8 2.1 M ISPLAY AND UTTONS .............. -
Page 4: Installation
Multi-VRF Centralized Controller Operation Manual 1 INSTALLATION Fig.1.1 Parts of Centralized Controller ① ② ③ ④ Self-tapping screw ST4.2×9.5 Rear cover of MC （used to secure the rear cover Name Touch screen Rubber band controller of controller） ⑤ ⑥ ⑦ ⑧... -
Page 5: Installation Requirements
Multi-VRF Centralized Controller Operation Manual Fig.1.3 Dimension of Electric Box Cover 1.1 Installation Requirements (1) Communication cord of the centralized controller must be selected according to the table below. Never use the cable that is not in compliance with instructions of this manual. Cord Cord size Total length... -
Page 6: Wiring Instructions
Multi-VRF Centralized Controller Operation Manual 1.2 Wiring Instructions (1) Wiring Ports Port print G1, G2 F1, F2 A2, B2 A3, B3 L, N CAN comm. Power 【reserved port】 【reserved port】 【reserved port】 Meaning port port (2) Power Supply The centralized controller shall use independent power supply. The range of input voltage: 100～240 VAC;... - Page 7 Multi-VRF Centralized Controller Operation Manual Method 2: Connect with outdoor network Fig.1.5 Centralized Controller Connected with Outdoor Network Method 3: Connect with heat recollection mode converter Network Fig. 1.6 Centralized Controller Connected with Heat Recollection Mode Converter Network...
- Page 8 Multi-VRF Centralized Controller Operation Manual Wiring Instructions: a. The centralized controller is applicable to multi VRF units, connectable with network of indoor units or the network of outdoor units. One centralized controller can control up to 16 sets of outdoor system and up to 255 sets of indoor unit. b.
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Page 9: Installation Procedure
Multi-VRF Centralized Controller Operation Manual Address DIP1 DIP2 DIP3 DIP4 DIP5 e) The centralized control address DIP switch (SA2_Addr- CC) cannot be the same between different refrigerating systems. Otherwise, address conflicts may occur and the unit cannot run properly. 1.3 Installation Procedure Fig.1.7 Installation Diagram... - Page 10 Multi-VRF Centralized Controller Operation Manual Fig.1.8 Diagram of Wooden or Plastic Plug Fig. 1.9 Installation Holes of the Electric Box Rear Cover Fig.1.7 is a simple installation procedure of centralized controller. Please pay attention to the following matters: (1) Before installation, first cut off the power supply of indoor unit. The power must be cut off during the whole installation process.
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Page 11: Removal Procedure
Multi-VRF Centralized Controller Operation Manual (7) In step ⑦, connect the communication cords to G1, G2 terminals, and connect the neutral wire and live wire to the N, L terminal; connect the ground wire to position on the electric box rear cover. Secure it with screw M4× (8) In step ⑧, locate the controller’s rear cover onto the electric box rear cover with screw ST4.2×9.5 TC. -
Page 12: Main Page Display And Buttons
Multi-VRF Centralized Controller Operation Manual 2.1 Main Page Display and Buttons Name Instructions Time zone The present date, week and time Help button Press this button to enter Help Info page Setting button Press this button to enter setting page ... -
Page 13: Buttons Working Instructions
Multi-VRF Centralized Controller Operation Manual Press this button to Press this button Edit edit the group or Delete to delete group or schedule schedule Press this button to Press this button increase value or to decrease value Down select the previous or select the next option option... - Page 14 Multi-VRF Centralized Controller Operation Manual Thin light indicates invalid/not selectable. Sleep function is invalid and can’t be selected. Different cases for models. Light indicates off/not selected. Sleep function is off. Pressing the grey sleep button can turn on the sleep function. Dark indicates on/selected.
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Page 15: Functions Description
Multi-VRF Centralized Controller Operation Manual 3 FUNCTIONS DESCRIPTION 3.1 Help Info On the homepage, press to enter into help info page. User can view the information of the simple operation manual. 3.2 Indoor Unit On the homepage, press to enter into indoor unit page. Fig.3.1 Page of Indoor Unit Name Instructions... -
Page 16: Single Unit Control
Multi-VRF Centralized Controller Operation Manual Name Instructions ⑸ Error status Error icon will be displayed if indoor unit is malfunctioning. When indoor unit is on, the current operation mode will be displayed: ⑹ Auto Cooling Operation mode Heating Floor heating Space heating heating ⑺... - Page 17 Multi-VRF Centralized Controller Operation Manual Fig.3.2 Control Page of Single IDU (1) ON/OFF Press the on/off button to turn unit on or off. When unit is turned off, mode, temperature, fan speed and swing can’t be set. (2) Mode setting Press the Mode buttons to set unit’s operation mode.
- Page 18 Multi-VRF Centralized Controller Operation Manual Press the fan speed button to set unit’s fan speed. Note: Unit defaults to low fan speed in drying mode. Fan speed cannot be set in drying or floor heating mode. (5) Swing setting Pressing the button “Up&Down Swing” or “Left&Right Swing” can turn on or off the swing function.
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Page 19: All-Control Function
Multi-VRF Centralized Controller Operation Manual function is on, set temperature is 8℃. (4) Rapid cool function can only be effective in cool mode. Likewise, rapid heat function can only be effective in heat mode. (5) When shield all function is on, other shield buttons will be invalid. (6) Note: When centralized controller is matching with different units, some functions will also be different for different unit. -
Page 20: Group Control
Multi-VRF Centralized Controller Operation Manual increase or decrease continuously. (4) Fan speed setting Press or drag the sliding bar of fan speed to set fan speed. Note: Fan speed defaults at low speed under drying mode and it can’t be adjusted. (5) Swing setting Press “left&right”... -
Page 21: Schedule Management
Multi-VRF Centralized Controller Operation Manual Group control button ④ Press the button to enter the group control page. Group edit button ⑤ Press the button to enter the group edit page. IDU sort button ⑥ Press the button to enter the group sort page. (1) Group control Press the button to enter the page of group control. - Page 22 Multi-VRF Centralized Controller Operation Manual Fig.3.6 Page of Schedule Fig.3.7 Page of Schedule Editing (1) Open the schedule Press the zone button to open or close the schedule.
- Page 23 Multi-VRF Centralized Controller Operation Manual When the icons and texts turn bule indicating the schedule is open. When the icons and texts turn grey indicating the schedule is closed. When schedule is open, centralized controller will send out the control order automatically according to the time and parameters set by the schedule.
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Page 24: Local Setting
Multi-VRF Centralized Controller Operation Manual user to set relevant parameters. Note: User may add up to 28 schedules. (4) Delete schedule Press to delete the selected schedule. 3.7 Local Setting Fig.3.8 Setting Page On the homepage,press button to enter into the setting page. Press the “Local Setting”... - Page 25 Multi-VRF Centralized Controller Operation Manual (2) Time setting Set the date and time of the centralized controller system, can also set the VRF unit time if needed. (3) User password Press the button can activate or inactivate user password. When password is activated, it can be set or changed in 4~10 numbers or characters.
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Page 26: Engineering Setting
Multi-VRF Centralized Controller Operation Manual 3.8 Engineering Setting On the home page, press to enter into setting page. Press the “Project Setting” button to switch to engineering setting, the operation method is the same as the setting of this unit. （1）Indoor unit register Enter into the indoor unit register interface, select the chosen indoor unit according to the displayed engineering No. -
Page 27: About
Multi-VRF Centralized Controller Operation Manual 4) Press button to successfully save the setting. Then the indoor unit list in the home page will display the new name and icon of indoor units. （3）Running Time Enter into the Running Time management page.Selectting the ODU’s system number or IDU’s engineering No.,then user can view the ODU or IDU continuous time and total time. - Page 28 Contact us at +1-305-718-2901 lennoxglobalhvac@lennoxintl.com 2017 Lennox Industries Inc. For a complete list of the registered and common law trademarks owned by Lennox Industries Inc., please visit www.lennoxglobal.com...