Lochinvar 2072, 502 operation manual Runtime Contacts 2BOARDCONNECTION Outdoor S5SENSOR POOL2ND

Page 65

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Installation & Operation Manual

 

 

 

10 Ladder diagram (continued)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONNECTION BOARD1 1-CN4

 

ALARM CONTACTS

 

 

 

RELAYALARM

ALARM SILENCE

 

1BOARDCONNECTION

CN5-5

 

 

RUNTIME CONTACTS

 

 

 

2BOARDCONNECTION

 

OUTDOOR S5SENSOR

POOL2ND

SUPPLY S8SENSOR

 

POOL/SYSTEM

SUPPLY S6SENSOR

 

POOL/SYSTEM

RETURN S7SENSOR

 

 

 

 

 

S2SENSORINLET

 

S1SENSOROUTLET

 

S9SENSOROUTLET2ND

 

 

 

 

 

1BOARDCONNECTION

TANK S4SENSOR

CASCADE SHIELD

8-CN6

SHIELD

3-CN11-X6

A

MODBUS RTU

B

MODBUS

INTERFACE BOARD

 

1

4-CN4

2

 

 

 

RELAYLOUVER

 

 

 

 

 

 

20K

10K

 

 

 

CN1

-1

 

 

 

 

 

CN6

-1

1-CN13-X6

2-CN12-X6

 

 

 

 

 

 

 

 

 

 

 

CN5-11

 

CN4-5

CN4-6

 

 

 

 

 

 

CN1-2

 

 

 

 

CN1-5

 

 

CN1-6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CN6-6

 

 

X4-3

X4-1

 

X4-2

 

 

 

 

X3-3

 

X3-4

 

 

 

 

 

 

 

X6-13

 

X3-1

X3-2

 

X6-10

 

 

 

BOILER

X8-11

 

X8-19

POOL

 

X8-14

 

 

X8-13

 

 

 

 

 

X8-3

 

X8-2

 

X8-8

X8-1

 

 

 

 

 

X8-12

 

X8-18

 

X8-10

 

X8-20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

X4

 

X11

 

 

 

 

 

X6-3

 

 

 

 

PROBE

 

X6-12

X6-5

X6-1

 

 

 

 

X6-7

 

X6-16

 

X6-2

X13-1

 

X6-6

X6-15

 

X6-11

X6-14

X8-5

X8-15

 

X7-8

 

 

X7-4

 

X8-7

 

X8-17

 

 

X8-6

 

 

X8-16

 

 

 

 

 

 

 

 

 

 

 

SWITCHFLOW

 

TEST

 

 

 

 

 

 

 

 

 

 

1

 

CN5-7

 

CN5-8

CN5-9

 

CN5-3

CN5-10

 

CN5-12

4

CN6-4

CN6-9

 

5

 

 

CN6-10

 

7

 

CN6-3

 

 

7

 

 

CN1-8

 

 

 

 

 

 

 

 

 

 

J3-2

J3-4

 

3-J2J3-3

 

LOWWATER

J2J2

(

(

FLUEBLOCKED

 

GASHIGH

SWITCHPRESS

BOARDCONNECTION1

VALVEWAY3

24V

CN5-

OPEN

COM24V

CLOSE

ENABLE/1STAGE

2STAGE

3STAGE

4STAGE

TSTATTANK

CN5-

PROVINGLOUVER

0-10V

BMS

INPUT

CN6-

0-10V

RATE

OUTPUT

CN6-

A

CASCADE

B

CONNECTIONBOARD2

CN1-

+

SYSTEMPUMP

SPEEDINPUT -

 

DISPLAYBOARD

 

 

 

 

COMPUTER

 

 

 

 

 

2-1-

RESET

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(

(

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+

 

-

 

+

 

 

-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CUTOFF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J3-6

J3-5

 

 

 

 

 

 

 

PRESSURE

GAS PRESS

 

 

 

 

 

 

CN5-6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AIR

LOW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LBL20083 REV B

 

65

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Contents Save this manual for future reference Installation & Operation Manual Models 502Contents Removal of Combustion Chamber Lining or Base Panels Please read before proceedingSpecial instructions Owner warning Safety informationCopper-fin2- How it works Copper-fin2- How it works Copper-fin2- How it works Ratings SpecificationsLocation of unit Determine unit locationIndoor clearances from combustible construction Freeze protectionLocation Outdoor pool heater installationHydronic systems anti-freeze Combustion and ventilation airMinimum Recommended Combustion AIR Supply to Equipment Room Outside Combustion Air Using Direct VentingCombustion air filter Exhaust fansIdentify your appliance’s vent system VentingCAT IV Flue pipe materials CAT I Negative pressure non-condensingDraft Venting Vent system optionsBarometric damper location General informationVenting support Negative draft Conventional negative draft venting seeFlue outlet piping Common Venting SystemsInspection of a masonry chimney Masonry chimney installationsVertical vent termination clearances and location 1Vent Termination from Peaked Roof 10 ft. or Less From Ridge Combustion air inlet piping Vertical DirectAire venting seeLength of air inlet pipe Sidewall air inletClearances Vertical Rooftop Air InletCombined air inlet points Directaire Kits Model Horizontal KIT Vertical KIT Venting of flue productsSidewall with fan Sidewall venting seeSidewall venting termination Sidewall vent termination clearances and locationSidewall venting without fan Drain tee installationModels 502 Venting of flue products Horizontal DirectAire venting Powered Venting seeVertical DV venting termination Direct venting seeFlue outlet piping Horizontal DV venting termination Masonry chimney installationHorizontal Vent Termination Clearances and Location Combustion air inlet pipingAir inlet piping materials Connecting the air inlet pipe to the unitLength of air inlet pipe Sealing PVC, CPVC, ABS, dryer vent, and flex duct vent pipeVertical and sidewall combustion air inlet Multiple sidewall direct vent installationsHorizontal combustion air inlet clearances Vertical Combustion Air Inlet ClearancesOutdoor vent cap kit Outdoor installation seeOutdoor vent/air inlet location Gas connections Connecting to gas supplyGas connection Gas pressure testCombination gas valves Suggested GAS Pipe Size for Single Unit Installations ModelGas train and controls Venting of combination gas valvesChecking gas supply pressure GAS Piping Size ChartCirculating pump Water connections502 752 Models 992 1442 ModelsInitial set-up of maximum water flow Heat exchangerMinimum Pump Performance Auxiliary Mixed Water Limit Control3Heater Within 15 feet of Pool Piping 6Cascaded Heaters Beyond 15 feet of Pool Piping Pool Return Sensor Location MIN Primary Outdoor operation 3-way valve cover Automatic bypass valve cover installationPumped Automatic Bypass Pump purge delay Water flow switchPump purge pre-running delay Relief valveWay Automatic Bypass Valve Wiring Way automatic bypass valve wiringRemote Wire Connection Electrical connectionsPool heater operating control module Installation must comply withLine voltage connections AMP Draw DataPool return sensor 2-wire Louver proving switchPool supply/limit sensor 4-wire Low voltage connectionsWiring of the cascade Alarm contactsStartup Pre-start checklistStarting the filter system Check for gas leaksCheck vent and air piping Check thermostat circuitsPlacing the pool heater in operation Start the pool heater2Operating Instructions Set clock Configuration of the cascadeGeneral Operating informationPool heater temperature regulation Sequence of the cascade DAY Switching on SequenceCascade Sequence of operation Copper-fin2control module MENU/EXIT Display Screen ENTER/RESET UpdownInstaller Access modesUser To save parameters and exit programmingStatus display screens Sysrtn Open Unit Pump DelaySysrtn Shorted STG DemandOwner maintenance Maintenance Maintenance and annual startupService technician Address reported problems MaintenanceInspect appliance area Inspect appliance interiorCheck control settings Check all wiringCheck relief valve Inspect/replace hot surface igniter Ignition system checkoutCheck flue gas passageways Inspect and clean burnerPerform start-up and checks Check burner flame Oiled bearing circulators Review with ownerDigital Harness Connection diagramController LOW Voltage Ladder diagramRuntime Contacts 2BOARDCONNECTION Outdoor S5SENSOR POOL2ND Page
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Manual 44 pages 17.92 Kb Manual 16 pages 36.89 Kb

2072, 502 specifications

Lochinvar 2072,502 is an innovative and robust water-heating solution tailored for residential and commercial applications. This model represents a significant advancement in energy efficiency and performance, catering to the dynamic heating requirements of modern buildings.

One of the standout features of Lochinvar 2072,502 is its advanced thermal efficiency. With an impressive AFUE (Annual Fuel Utilization Efficiency) rating, the unit delivers exceptional heat output while minimizing energy consumption. This not only reduces utility bills for homeowners and businesses but also supports sustainability efforts by decreasing carbon footprints.

The Lochinvar 2072,502 incorporates cutting-edge technologies that set it apart in the market. It is equipped with advanced control systems that allow users to precisely manage heating outputs, ensuring optimal comfort while conserving energy. The user-friendly digital display provides real-time data, allowing for efficient monitoring and control.

Another significant characteristic of the Lochinvar 2072,502 is its robust stainless-steel construction. This feature enhances the unit's durability and longevity, ensuring reliable performance even in challenging conditions. The high-quality materials also contribute to maintaining consistent water temperatures, which is essential for both residential and commercial heating needs.

The Lochinvar 2072,502 operates silently, making it ideal for installations in areas where noise is a concern. Its compact design allows for flexible installation options, fitting seamlessly into various spaces, whether it’s a utility room, basement, or outdoor area.

Furthermore, the unit supports multiple venting options, accommodating different building architectures and layouts. This versatility makes it an ideal choice for new builds and retrofitting existing systems.

Maintenance is streamlined with the Lochinvar 2072,502, as it features a self-diagnostics system that simplifies troubleshooting. Regular service check-ups are made easier with accessible components, allowing technicians to perform maintenance tasks efficiently.

In summary, the Lochinvar 2072,502 stands out for its high efficiency, advanced technology, durability, and flexible installation options. It is an ideal choice for those seeking a reliable and technologically advanced water-heating solution that meets the challenges of contemporary heating demands while promoting energy savings and environmental responsibility.