Leisure Temp LT1000 Page 12 Installation Manual Download

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1.4.b Plumbing Diagrams

Plumbing diagrams are provided in this section as a planning guide to the sequence of equipment, valves, and
fittings.

The basic plumbing configurations for typical installations are shown.

If the installation does not closely follow any of the supplied plumbing diagrams, Leisure Temp Technical
Support is available for installation advice and guidance.

Confirm water provided to the heat pump is clean and filtered.

Heat Pump with water flows equal or less than maximum listed flow rate

See "

Water Flow Rates

" on page 13.

Heat Pump with water flows greater than maximum listed flow rate

See "

Water Flow Rates

" on page 13.

Ins

ion

Summary of Contents for LT1000

Page 1: ...Installation Manual Firmware Version 1 xxx LTP0131 REV C project rel 7 02 Important Read this document before operating installing this product ...

Page 2: ......

Page 3: ...cting a Call Flex 21 1 6 b Connecting External Controllers to Heat Pump 23 b 1 Connecting Smart Bus Controllers 24 b 2 Connecting Two wire Controllers with internal thermostat 27 1 6 c Connecting Gas Backup Heater to Heat Pump 30 1 6 d Connecting Multiple Heat Pumps Primary Secondary 35 1 6 e Connecting a Pool Spa Switching Relay 40 1 7 Program Heat Pump for the Customer 43 1 7 a Setting Date and ...

Page 4: ... l Warranties may be voided if the equipment has been improperly installed maintained or serviced l If service is deemed necessary please contact Leisure Temp See Contacts above SAFETY SIGNALS Throughout this document safety signals have been placed where particular attention is required DANGER Failure to heed the following will result in injury or death WARNING Failure to heed the following may r...

Page 5: ...ard failure to perceive heat failure to recognize the need to exit the pool or spa and unconsciousness The use of alcohol drugs or medication can greatly increase the risk of fatal Hyperthermia People having an adverse medical history or pregnant women should consult a physician before using a hot tub or spa Children and the elderly should be supervised by a responsible adult l This appliance is n...

Page 6: ... Line Chlorine Feeders 13 1 4 e Water Flow Rates 13 1 4 f Adjusting Water Flow Using ΔT Delta T 14 1 4 g Maintaining Ability to Winterize 15 1 4 h Adjusting Water Pressure Switch Select Units 15 1 5 Electrical 17 1 5 a Electrical Requirements 17 1 5 b Incoming Power Access Holes 18 1 5 c Access Panels 19 1 5 d Verifying Transformer Setting Select Units 20 1 5 e Schematic Location 20 1 6 External E...

Page 7: ...w for water drainage l Plan for water drainage as needed Mounting Pad Requirements l The heat pump s base must be installed on a flat and level surface that completely supports the entire base l Build the heat pump pad out of concrete or other code approved material l Confirm the pad can support the weight of the heat pump See Weights on page 66 l Elevate the pad enough to allow for drainage l Mak...

Page 8: ...n of the heat pump l Avoid storing chemical containers near the heat pump The chemicals can cause equipment damage l Avoid placing objects near or on top of the heat pump This includes shrubbery and lawn furniture These objects will reduce performance and efficiency and hinder maintenance access Overhead Clearance Top View LT55 Top View LT400 LT600 LT700 LT800 LT1000 1 Installation ...

Page 9: ...Page 6 1 3 Dimensions Leisure Temp LT55 Leisure Temp LT400 1 Installation ...

Page 10: ...Page 7 Leisure Temp LT600 Leisure Temp LT700 LT800 1 Installation ...

Page 11: ...lter l Failure to provide clean filtered water to the heat pump can void the product warranty l Water flow exceeding maximum flow rates will negatively affect the total pool filtration performance and may damage the heat pump This will not be covered under the equipment warranty See Water Flow Rates on page 13 l Install a bypass valve whenever water flow may exceed the maximum rating l See Bypass ...

Page 12: ...stallation does not closely follow any of the supplied plumbing diagrams Leisure Temp Technical Support is available for installation advice and guidance l Confirm water provided to the heat pump is clean and filtered Heat Pump with water flows equal or less than maximum listed flow rate See Water Flow Rates on page 13 Heat Pump with water flows greater than maximum listed flow rate See Water Flow...

Page 13: ...Page 10 Heat Pump with Spillover Spa One filter Pump Heat Pump with Spillover Spa Two filter Pumps Heat Pump with Solar Panels in Plumbing Circuit 1 Installation ...

Page 14: ...agrams l Connections to site plumbing are made via PVC solvent cement to the female slip socket of the plumbing unions NOTICE Failure to heed the following may result in damage to equipment l Do not use glue on the threaded portion of the equipment s unions A glued in place union will prevent the equipment from being properly winterized 1 Installation ...

Page 15: ...Page 12 Leisure Temp LT55 Leisure Temp LT400 and LT600 Leisure Temp LT700 LT800 and LT1000 1 Installation ...

Page 16: ...result in damage to equipment l Water flow exceeding maximum flow rates will negatively affect the total pool filtration performance and may damage the heat pump This will not be covered under the equipment warranty MODEL FLOW RATES MINIMUM MAXIMUM LT55 20 GPM 75 7 L min 45 GPM 170 L min LT400 20 GPM 75 7 L min 45 GPM 170 L min LT600 20 GPM 75 7 L min 45 GPM 170 L min LT700 30 GPM 113 6 L min 70 G...

Page 17: ...ater lines approximately six inches away from the heat pump PLEASE NOTE l The installation of temperature ports is required for all commercial applications l The installation of temperature ports is strongly recommended for residential installations Temperature Port Shown with Probe 1 Adjust the thermostat to its lowest setting with the unit in heating mode 2 Deactivate the water filtration pump 3...

Page 18: ...the following may result in damage to equipment l Do not use glue on the threaded portion of the equipment s unions A glued in place union will prevent the heat pump from being properly winterized 1 4 h Adjusting Water Pressure Switch Select Units Adjust the water pressure switch when heat pump attempts to operate without water flow Before attempting any adjustments confirm the following l The fil...

Page 19: ...ustment wheel on the switch Keep turning the wheel until the heat pump indicates it is receiving water The display will no longer indicate NO POOL SPA WATER FLOW 6 Deactivate filter pump If correctly adjusted the heat pump will deactivate and the display will show NO POOL SPA WATER FLOW 7 Re install heat pump access panel 8 If the heat pump continues to operate without water flow the installation ...

Page 20: ...o use copper conductors only Do not use aluminum wire l If multiple heat pumps are on site confirm that the multiple heat pump configuration has been utilized See Connecting Multiple Heat Pumps Primary Secondary on page 35 This will prevent multiple heat pumps attempting to start at the same time causing an excessive power drop at start up Electrical Standards Standards Title NFPA 70 Nat l Elec Co...

Page 21: ... voltage conditions may result in damage to your compressor motors or other electrical components This damage will not be covered by the product warranty 1 Measure site voltage The site voltage MUST be measured under FULL LOAD conditions Activate all equipment using the same electrical panel as the heat pump 2 If measured site voltage is outside listed ranges immediately deactivate equipment until...

Page 22: ...ng will result in injury or death l Deactivate power while routing wiring to control board l Follow all National Electric Codes NEC and or State and Local guidelines Leisure Temp LT55 Leisure Temp LT400 and LT600 Leisure Temp LT700 LT800 and LT1000 1 Installation ...

Page 23: ... for use by qualified technicians familiar with electrical service industry safety standards and methods Example of heat pump transformer Varies between models 1 Turn heat pump on by adjusting the thermostat to call for heating If more than one heat pump is on site turn them all on Allow time for all heat pump compressors to activate 2 Measure the running site voltage 3 Confirm transformer tap is ...

Page 24: ...owing may result in injury or death l This section is only for qualified installers who are familiar with the swimming pool and spa safety standards l The installer must be familiar with service industry techniques NOTICE Failure to heed the following may result in damage to equipment l The wire size connecting the controller must be 22 gauge minimum 2 conductor low voltage wire Connection Points ...

Page 25: ...Page 22 Configure Call Flex Enter Installer Menus then proceed 1 Installation ...

Page 26: ...jury or death l This section is only for qualified installers who are familiar with the swimming pool and spa safety standards l The installer must be familiar with service industry techniques NOTICE Failure to heed the following may result in damage to equipment l Do not use an electric heater connection on external controllers for heat pump wiring This can cause damage to external controllers he...

Page 27: ...power or ground wire Figure 1 4 Connect control wires to the heat pump s Port B of the microprocessor as indicated See Figure 1 and Figure 2 l It is OK to double up wires at the external controller connection if necessary l If for example the external controller is using the data port for an indoor controller add wires to the existing configuration Connectors can be removed from terminals for ease...

Page 28: ... 6 If additional sensors are required on the external controller install them on the external controller now Example Pentair EasyTouch and Pentair IntelliTouch Some controllers require an additional sensor be connected to the external controller s power supply circuit board at the solar connection point The sensor is not used but will show an error if not connected 7 Reinstall electrical access pa...

Page 29: ...Page 26 1 Installation ...

Page 30: ...ss panel 7 Reactivate power to the controller 8 Reactivate power to the heat pump C If fault continues to occur check with the manufacturer of the external controller for additional advice on using a heat pump with the controller 11 After establishing a connection from the external controller to the heat pump further programming will be required at the external controller l See external controller...

Page 31: ... supersede 4 Connect the controller wires to the microprocessor port labeled Ext Controller with the terminals labeled Y and Z as follows See Figure 4 l Connect one wire to Y l Connect other wire to Z l The polarity of the wire is not important 5 Reattach heat pump access panel 6 Apply power to heat pump 7 Configure the heat pump to accept a 2 wire external controllers signal as shown See Configur...

Page 32: ...Page 29 1 Installation ...

Page 33: ...amiliar with service industry techniques NOTICE Failure to heed the following may result in damage to equipment l The wire size connecting the gas heater to the heat pump must be 22 gauge minimum 2 conductor low voltage wire l Use direct connection dry contact provided on the microprocessor for the gas heater l Failure to follow the manufacturer s installation requirements for a fireman cool down ...

Page 34: ...ckup below Configuring Gas Backup There are two different ways the gas backup heater can be configured l 24 hour mode commonly used for commercial applications n The circulation pump operates continuously n The gas heater will activate if the water temperature falls two degrees below the set temperature When the set temperature is reached the gas heater will be deactivated See Configure for 24 Hou...

Page 35: ...Page 32 Configure for 24 Hour Mode Enter Installer Menus then proceed 1 Installation ...

Page 36: ...Page 33 Configure for Scheduled Mode Enter Installer Menus then proceed 1 Installation ...

Page 37: ...Page 34 1 Installation ...

Page 38: ... connection point l Do not attempt to connect heat pump equipment in multiple configurations with previous HP7 and HP7R versions of the microprocessor See Figure 7 No onboard port is provided for heat pumps with these microprocessor versions An Automatic Sequencing Controller ASC accessory is required for those types of heat pumps DO NOT CONNECT HP7 or HP7R boards Figure 7 Connecting Multiple Heat...

Page 39: ...simplify configuration and future operation 9 Reattach access panels Multiple Heat Pump Connection Points to Port C Figure 9 10 Apply power to primary heat pump Confirm the mode is set to SYSTEM OFF 11 Apply power to the next heat pump and confirm the mode is set to SYSTEM OFF Do this for each heat pump 12 Program heat pumps with assigned addresses See Configuring Multiple Heat Pumps below Configu...

Page 40: ...Page 37 1 Installation ...

Page 41: ... the next connected heat pump and configure it as a secondary unit with a heat pump address of 01 Each additionally connected heat pump will require a unique heat pump address 02 03 etc Enter Installer Menus then proceed 1 Installation ...

Page 42: ...Page 39 1 Installation ...

Page 43: ...g will result in injury or death l Deactivate power while routing wiring to control board l Follow all National Electric Codes NEC and or State and Local guidelines WARNING Failure to heed the following may result in injury or death l This section is only for qualified installers who are familiar with the swimming pool and spa safety standards l The installer must be familiar with service industry...

Page 44: ...led switch route wires to the low voltage side of the electrical enclosure The third wire is not used Follow all National Electric Codes NEC unless State or Local guidelines supersede 5 Connect the wires to the jumper provided Polarity is not important 6 Reattach heat pump access panel 7 Apply power to heat pump 8 Configure the heat pump to accept the pool spa relay switch See Configuring Switch b...

Page 45: ...Page 42 1 Installation ...

Page 46: ...Page 43 1 7 Program Heat Pump for the Customer 1 7 a Setting Date and Time Set the heat pump s time and date using the following steps 1 Installation ...

Page 47: ... Time and Date Format The heat pump s time and date format can be customized Customize Time The time can be displayed in 24 hour military time the default display is 12 hour Enter Installer Menus then proceed 1 Installation ...

Page 48: ...Page 45 1 Installation ...

Page 49: ...Page 46 Customize Date The date can be displayed as Day Month Year the default is Month Day Year Enter Installer Menus then proceed 1 Installation ...

Page 50: ...Page 47 1 Installation ...

Page 51: ...Page 48 1 7 c Selecting Celsius or Fahrenheit Set the water temperature to show in either Fahrenheit default or Celsius Enter Installer Menus then proceed 1 Installation ...

Page 52: ...he heat pump goes into the sleep mode for the first time NOTICE Failure to heed the following may result in damage to equipment l Before enabling the entry code feature be sure to record the code If lost the heat pump will require a program reset to regain access This reset may require additional configuration by the installer 1 Installation ...

Page 53: ...Page 50 1 Installation ...

Page 54: ...isplaced the heat pump will need to be reset to factory defaults l After three minutes of inactivity the heat pump s sleep mode will activate 1 7 f Resetting Factory Defaults If needed the installer can reset programming to the heat pump s factory default settings See Factory Defaults on page 64 PLEASE NOTE This will reset any external device configurations Enter Installer Menus then proceed 1 Ins...

Page 55: ...Page 52 1 Installation ...

Page 56: ...the heat pump damage to components may result l Do not use chemicals on the display panel Cleaning 1 Wash cabinet using a low pressure water hose A high pressure water stream will cause damage to the aluminum fins of the heat pump This damage is not covered under the product warranty 2 While the heat pump is still wet use an approved cleaning agent to clean the exterior of the heat pump Do not use...

Page 57: ...ls with fresh water wipe and buff panels using a dry soft cloth 3 Allow heat pump interior and surrounding equipment to air dry for several hours prior to restoring electrical power APPROVED POLISHING AGENTS Simoniz Wax Glo Coat Armor All Protectant Table 4 Polishing Agents The trademarks used in approved polishing agents are the property of their owners and are not related to Leisure Temp 1 Insta...

Page 58: ... COMM FAULT 58 OTA SYSTEM LOCKOUT 59 SMART COMM FAULT 59 WATER TEMP SENSOR SHORT or WATER TEMP SENSOR OPEN 59 Issues and resolutions Blank Display 60 Display Panel Not Responding 60 Displays DEFROSTING 60 Displays NO SYSTEM FIRMWARE 60 Displays NO POOL SPA WATER FLOW 60 Displays SET TO SWITCH REMOTELY 61 Displays SET UNIT MODEL NUMBER 61 Heat Pump Not Running 61 Heat Pump s Tripping Breaker 61 Hea...

Page 59: ...lified individuals Service must be performed only by qualified HVAC technicians Recover refrigerant before opening the system NOTICE Failure to heed the following may result in damage to equipment l Service by unauthorized personnel will void the heat pump warranty AIR TEMP SENSOR OPEN or AIR TEMP SENSOR SHORT ISSUE Open or shorted air sensor RESOLUTION A qualified technician should replace the ai...

Page 60: ...r the model 3 Confirm water is not being diverted away from the heat pump l See Water Flow Rates on page 13 l See Adjusting Water Flow Using ΔT Delta T on page 14 4 The water pressure switch may be incorrectly calibrated l See Adjusting Water Pressure Switch Select Units on page 15 HIGH WATER TEMPERATURE ISSUE Incoming water temperature has exceeded 110 F 43 C and the unit has been deactivated The...

Page 61: ...5 3 Check for a dirty or blocked evaporator coil l See Cleaning Equipment After Installation on page 53 4 Check for signs of heavy ice buildup on the coil LP5 SYSTEM LOCKOUT ISSUE The heat pump has locked due to five low pressure faults during one call for heating RESOLUTION 1 Deactivate then reactivate power to the heat pump to clear error 2 Troubleshoot the low pressure issue causing the error l...

Page 62: ...d with the external controller WATER TEMP SENSOR SHORT or WATER TEMP SENSOR OPEN ISSUE Shorted or open water sensor RESOLUTION A qualified technician should replace the water sensor 2 2 Issues and Resolutions DANGER Failure to heed the following will result in injury or death l Deactivate power while routing wiring to control board l Follow all National Electric Codes NEC and or State and Local gu...

Page 63: ...the coil the compressor will stop operating while the fan continues to operate l The coil will begin to warm to the surrounding air temperature When the coil s temperature rises above 38 F 3 3 C the compressor is restarted and heating resumes l If the coil s temperature remains below 38 F 3 3 C the compressor will remain off Displays NO SYSTEM FIRMWARE ISSUE The heat pump has encountered a softwar...

Page 64: ...y panel and the disconnect switch located near the heat pump are both turned on l If the display still does not illuminate it is recommended that the heat pump installer or electrician confirm the heat pump is receiving power 2 Confirm correct mode is selected 3 Confirm thermostat is set correctly l When heating the water is desired the thermostat should be set above the current water temperature ...

Page 65: ...sistance 2 Confirm heat pump mode is set to heat 3 Confirm thermostat is set to the desired water temperature 4 Confirm valves are positioned to heat the correct body of water either the pool or the spa If heating a spa that overflows into a pool confirm the spa is isolated when being heated not flowing into the pool 5 Confirm heat pump is transferring heat into the water l Measure the temperature...

Page 66: ...l Spa button is disabled if the following devices have been configured on the heat pump RESOLUTION l A 2 wire external controller l A 3 wire external controller l An external flow switch Water Coming From Heat Pump ISSUE The water may be normal condensation produced as a by product of the heat pump s refrigeration process The heat pump can produce up to 8 to 10 gallons 30 to 38 liters of condensat...

Page 67: ...ed the following may result in damage to equipment l Unauthorized adjustments in Service Menus not shown may void the heat pump s warranty User Menus MENUS DEFAULT OPTIONS SET GAS BOOST OFF OFF ON SET TIME DATE USER TO SET SET BACKUP HEAT MODE OFF OFF SCHEDULED 24HR SET ENTRY CODE ENABLED OFF OFF ON SET USER ENTRY CODE 01 SET CALL FLEX MODE OFF OFF CALL FLEX Installer Menus MENUS DEFAULT OPTIONS S...

Page 68: ...SET CALL FLEX INSTALLED NO YES NO SET CALL FLEX MODE OFF OFF CALL FLEX 3 2 Identifying Model Specifications 1 Find Data Plate The data plate is usually posted on the side of the equipment or the inside of the heat pump s access plate 2 Find the model number on the data plate The first letters and numbers indicate the model type 3 The complete model number identifies the equipment s specifications ...

Page 69: ...ns will reduce the amount of time required to heat a pool If unsure of equipment heating capability review equipment data plate See Identifying Model Specifications on the previous page 1 Confirm heat pump mode has been set to heating mode 2 Set the desired temperature set point for the water 3 Temporarily set the filter pump for continuous operation l This will allow the Heat Pump the time requir...

Page 70: ...ations Call Flex Accessory 0030 LEDS l This accessory will override a circulation pump to provide water to the heat pump when the set temperature is not met Grid Flow Switch 0040S l Used for automatic pool spa thermostat switching l This switch can also be used in place of the water pressure switch This may be needed when the pool spa elevation is higher than the heat pump A higher elevation of th...

Page 71: ... to surpass a safe level l This kit is strongly recommended for all spa applications n Single Phase Heat Pump STK0221 n Three Phase Heat Pump STK0222 Plumbing Unions l 2 Inch Unions PLS2627 Temperature Port Kit STK0096 l This kit can be used to adjust water flow using Delta T l The kit comes with a port installation components and a temperature probe 3 Appendix ...

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