Lennox International Inc LZP-2, Zone Control Panel Application, Features, Installation

Page 2

Application

Two zones

Single-stage electric or gas furnace

Single-stage air conditioner

Multi-stage equipment can be used provided that it stages on it’s own internal controls

Not applicable to heat pump systems

Features

Adjustable high and low discharge air temperature limits

ON/OFF duct air purge control

LED indicators for outputs

Time Delay Override

2 or 3-wire damper compatibility

Installation

The above illustration shows a typical two zone control system.

Install the control panel indoors only.

Do not install the control panel where the tempera- ture will exceed 140°F or will drop below 32°F.

Do not install the control panel on foundation walls, HVAC equipment or duct system where moisture may condense on the enclosure.

Do not install the control panel in a room where it will be exposed to elevated humidity levels such as a laundry room.

1.Remove the cover. Replace the cover when installation is complete.

2.There are eight slots on the base of the enclosure (see Figure 2).

3.Use #8 screws (field supplied) to install the base.

WARNING

Improper installation, adjustment, alteration, service or maintenance can cause property damage, personal injury or loss of life. Installation and service must be performed by a qualified installer, service agency or the gas supplier.

CAUTION

Electrostatic discharge can damage the control. Touch a grounded metal object before touching the circuit board, and then only touch the circuit board on the edges when handling.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D2

R3

R4

R5

R6

 

 

 

 

EQUIP.

 

D1

 

W

 

 

 

 

 

 

 

 

 

 

 

 

 

R2

 

 

 

 

 

 

ZONE 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+

C2

 

 

 

 

 

 

 

 

 

 

G

 

 

 

 

 

 

 

24VDC

GND

5VDC

 

 

 

 

 

 

 

J2

Y

 

W

 

D3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C1

NORMAL

D4

 

+

C4

 

 

 

 

 

 

G

 

D5

 

Y

 

 

 

 

 

 

 

 

FLASHING

D8

R7

 

 

 

 

 

 

 

 

G

 

 

 

 

 

 

 

 

 

 

 

 

+

 

D7

R8

 

 

D6

 

R9

 

 

(8) Mounting

Y

 

 

 

 

K1

 

 

 

 

 

 

 

C3

 

 

D9

D10

 

 

 

 

 

 

 

 

R

 

 

 

 

RV1

 

 

 

 

 

 

U1

 

 

 

 

 

 

 

 

 

 

 

RC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R12

C6

+

 

 

 

 

 

 

NO

Slots

 

 

 

 

 

 

+

 

 

 

 

 

 

R10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C5

D13

D14

 

C7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NC

 

RH

 

 

 

 

 

 

D12

 

 

 

 

 

 

 

 

R13

R14

R15

R16

 

 

 

 

 

 

 

 

 

 

R17

 

 

+

 

 

 

 

 

R11

 

RV2

 

 

 

J1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

K4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C

 

 

 

 

 

 

 

 

 

 

 

 

D11

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C9

U3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

K2

 

 

 

 

 

 

W

 

 

 

 

 

 

 

 

 

 

 

 

R18

 

 

 

 

 

 

 

 

 

 

 

 

RV3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D15

 

 

 

 

 

 

U4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R19

 

 

 

 

 

 

 

 

 

 

 

 

 

DamperZ1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D16

 

 

 

 

 

 

 

 

 

 

 

D17

 

 

 

TP4

 

 

 

 

 

D19

 

 

 

 

 

ZONE 2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D18

R23

 

 

 

 

 

 

 

 

 

K3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SW1

 

 

 

 

 

 

 

U5

 

 

 

+C11

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C10

U2

 

 

 

 

 

 

 

 

 

 

 

J5

Y

 

 

 

 

 

 

RV4

RV5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R21

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TDO

 

 

 

 

 

 

 

D20

R22

 

+

R24

R25

R26

R27

 

 

 

 

24VAC

 

 

 

 

 

 

 

Y1

 

 

 

 

 

 

 

 

 

G

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R28

C14

 

 

 

 

 

 

 

J3

 

 

 

 

F1

 

 

 

 

 

 

 

 

C13

 

 

 

 

 

 

 

 

 

R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D21

R29

 

 

R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R30

D22

D23

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SPARE FUSE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C

 

 

 

 

 

 

C12

 

U6

 

 

 

 

 

 

 

R36

+

 

 

 

 

 

 

NO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C17

 

 

 

 

 

 

 

 

 

 

 

 

F2

 

 

 

C16

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C15

 

 

 

 

 

 

 

 

K5

R31

R32

R33

R34

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NC

 

 

 

 

 

 

 

MAIN FUSE

 

 

 

 

 

 

 

 

 

R35

R41

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RV6

 

GAS

ELECT.

R37

R38

R39

R40

 

 

 

 

 

 

RV7

 

 

C

 

DAS

J4

R43

R44

C18

 

 

 

 

 

 

 

R47 R42

 

 

 

 

 

 

 

 

R45

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LENNOX

 

 

PURGE

NoPURGE

 

 

 

 

 

 

 

 

 

 

 

 

W

 

 

 

 

 

 

LZP-2

 

 

HT-160

140

 

 

 

 

 

 

 

 

 

 

RV8

D24

 

 

 

 

 

 

 

 

X3785 REV. 1

 

 

 

CL-45

40

 

 

 

 

R46

 

 

 

 

 

 

 

DamperZ2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C19

C20

C21

C22

 

 

 

 

 

 

 

 

 

FIGURE 2 – CONTROL PANEL AND ENCLOSURE BASE

Page 2

Image 2
Contents Required Components ordered separately Shipping & Packing ListPackage 1 of 1 contains the following TransformersApplication FeaturesInstallation Discharge AIR Sensor Location Thermostat Requirements HEAT/COOLRound Rectangular Bypass Damper SizingExample Field Wiring Pin Jumper Settings see Figure LEDsHeating Operation Sequence of OperationHeating and Cooling Equipment Operation Cooling OperationContinuous FAN Operation Damper OperationSymptom Possible Solution TroubleshootingDetecting Hvac System Problems Detecting HEATING, Cooling and FAN Problems Discharge AIR Sensor Checkout Detecting Damper ProblemsChecking Thermostat Voltages Resistance ohms
Related manuals
Manual 8 pages 60.06 Kb

Zone Control Panel, LZP-2 specifications

Lennox International Inc, a leader in the HVAC industry, has made significant strides in advancing climate control technologies, particularly with their innovative HVAC Zone Control System, designated LZP-2. This system is designed to provide enhanced comfort and energy efficiency in residential and commercial settings by allowing for precise temperature control across different zones within a building.

One of the main features of the LZP-2 HVAC Zone Control System is its ability to operate multiple zones independently. This zoning capability means that different rooms or areas can be set to different temperatures based on usage patterns or individual preferences. Homeowners can enjoy a cooler environment in living spaces while maintaining a warmer temperature in less frequently used zones, such as guest rooms or basements. This tailored approach not only improves comfort but also leads to significant energy savings.

Another key characteristic of the LZP-2 is its smart technology integration. The system can be connected to a comprehensive home automation network, allowing users to manage their HVAC settings remotely. With mobile applications, users can adjust their zone temperatures from anywhere, ensuring optimal comfort when they return home. Integration with smart thermostats also enables the LZP-2 to learn household occupancy patterns, optimizing heating and cooling schedules for maximum efficiency.

The LZP-2 also employs advanced sensor technology to monitor temperature and airflow in various zones. These sensors provide real-time data, enabling the system to make adjustments to maintain desired conditions effectively. This responsiveness not only ensures comfort but also prevents energy waste, leading to reduced utility bills.

In terms of installation and operation, the LZP-2 is designed for user-friendly implementation. Compatible with most HVAC systems, the zoning panel can be integrated seamlessly during the initial setup or retrofitted into existing systems. The modular design allows for expansion, meaning additional zones can be added as needed without significant disruptions.

Lastly, the LZP-2 HVAC Zone Control System is backed by Lennox's longstanding reputation for quality and reliability. With robust build quality and excellent customer support, users can be assured of a dependable solution for their climate control needs.

In summary, the Lennox LZP-2 HVAC Zone Control System represents a significant leap forward in home and commercial climate management, combining advanced zoning capabilities, smart technology, and user-friendly design to create a superior indoor environment with enhanced energy efficiency.