Table of Contents Contacts Safety Instructions 1 - Operation 1.1 Wake Up Heat Pump 1.2 Display Panel 1.3 Activate Heat Mode, or Deactivate Equipment 1.4 Set Temperature 1.5 Set Up Programming 1.5.a Setting Date and Time 1.5.b Using Entry Code to Access Heat Pump 1.5.c Setting Entry Code Option 1.5.d Disabling Entry Code Option 1.6 External Equipment...
Repair and service of heat pump must be performed by an authorized service center. Warranties may be voided if the equipment has been improperly installed, maintained or serviced. 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.
Page 5
Failure to heed the following may result in injury or death. WARNING Installation and repairs must be performed by a qualified technician. The heat pump contains refrigerant under pressure. Repairs to the refrigerant circuit must not be attempted by untrained and/or unqualified individuals. Service must be performed only by qualified HVAC technicians. Recover refrigerant before opening the system.
1 - Operation IN THIS SECTION: 1.1 Wake Up Heat Pump 1.2 Display Panel 1.3 Activate Heat Mode, or Deactivate Equipment 1.4 Set Temperature 1.5 Set Up Programming 1.5.a Setting Date and Time 1.5.b Using Entry Code to Access Heat Pump 1.5.c Setting Entry Code Option 1.5.d Disabling Entry Code Option 1.6 External Equipment...
Page 7
Buttons Buttons Description Slowly slide a finger across the buttons from left to right to disable the sleep mode. Sleep mode will automatically reactivate after three minutes have passed. Select either the pool or the spa thermostat. Enter the user menu for heat pump options. Used to increase temperature set point and navigate through menu options.
Display Display Description The heat pump has a user lock enabled. Entry code required See "Using Entry Code to Access Heat Pump" on page 8. No water flow is detected. The filter No water flow pump is off or the heat pump is not receiving the correct water flow.
1.4 Set Temperature Select the pool or spa thermostat. Then press the up or down arrow to set the desired temperature (setpoint) for the water. The heating indicator will illuminate when heating the water. 1.5 Set Up Programming 1.5.a Setting Date and Time Set the heat pump's time and date using the following steps.
1.5.b Using Entry Code to Access Heat Pump If a user entry code has been enabled in the user menu, an entry code will be required to access heat pump options. PLEASE NOTE - If the entry code has been misplaced, the heat pump will need to be reset to factory defaults. After three minutes of inactivity, the heat pump's sleep mode will activate.
1.5.d Disabling Entry Code Option PLEASE NOTE - KEYPAD LOCKED If the heat pump displays a message, the heat pump is in sleep mode. See "Wake Up Heat Pump" on page 3. If an entry code has already been activated, the code must be entered before proceeding to disable.
1.6 External Equipment 1.6.a Operating Heat Pump with a Call Flex When a Call Flex has been installed and configured for a heat pump, the circulation pump will respond to commands from the heat pump. Confirm with the installer if a Call Flex accessory has been installed on the system.
Page 15
Using Flex Mode: When the accessory is in FLEX (or extend) mode, the heat pump will start to heat if the set temperature is lower than the water temperature and the heat pump has water flow. The circulation pump does not automatically activate in this mode.
1.6.b Operating Heat Pump (With an External Controller) If the display indicates the unit is under remote control, an external control device has been configured to control the heat pump. See the external control device manual. Or contact installer or manufacturer of that device. PLEASE NOTE: When using a SMART external control device, the time-out and service modes will deactivate the Heat Pump.
Scheduled Mode When heating the Pool: The heat pump will operate for one hour. Then a calculation is made on how fast the water temperature is rising (a rate of rise). If an insufficient amount of time is provided for the heat pump to heat the water, the gas backup heater will be activated.
1.6.e Operating Multiple Connected Heat Pumps Each heat pump will indicate whether it is a master or slaved unit on the display. Changes in mode and operation are made on the master (primary) heat pump only. The master heat pump will automatically start and stop the slaved heat pumps in a timed and controlled sequence. Master Heat Pump Slaved Heat Pump 01 Slaved Heat Pump 02...
2 - Maintenance IN THIS SECTION: 2.1 Water Chemistry 2.2 Cleaning Equipment 2.3 Clearances 2.4 Irrigation and Storm Run-Off 2.5 Water Flow Rates 2.6 Adjusting Water Flow Using ΔT (Delta-T) 2.7 Planned Maintenance 2.8 Winterizing 2.1 Water Chemistry Check water chemistry regularly and maintain within recommended levels. Standards vary in different residential and commercial applications.
Formula 409 ® Cascade ® All Power Plain Detergent (3% Solution) Table 1 - Cleaning Agents • The trademarks used in approved cleaning agents are the property of their owners and are not related to Leisure Temp. Page - 19...
• The trademarks used in approved polishing agents are the property of their owners and are not related to Leisure Temp. 2.3 Clearances Proper air circulation is required for the heat pump to operate efficiently. The following diagrams show the minimum clearances required for the proper operation of the heat pump.
(Top View) (Top View) LT55 LT400, LT600, LT700, LT800, LT1000 2.4 Irrigation and Storm Run-Off Irrigation water may damage heat pump components. Direct irrigation water away from the heat pump. The heat pump will withstand normal rainfall. Do not allow a roof slope to direct rainwater onto the heat pump.
PLEASE NOTE - If minimum flow rates are not met, heat pump performance is reduced and performance will suffer. Internal safety devices may deactivate the heat pump with the following errors: HIGH PRESSURE FAULT HP5 SYSTEM LOCKOUT LOW PRESSURE FAULT LP5 SYSTEM LOCKOUT Operate water filtration devices per manufacturer's specifications.
Temperature differences are based on pool water temperatures of 69° to 75° F. (20.5° to 23.8° C) For water temperatures outside this range, contact Leisure Temp. See "Contacts" on page 1. 2.7 Planned Maintenance An annual inspection and maintenance program is strongly recommended starting no later than one year after installation of the heat pump.
Page 28
Light Freeze Conditions A light freeze is when the ambient air temperature falls below 32 degrees Fahrenheit (0° C) for less than 8 hours. Typically during light freeze conditions circulating (or moving) water will not freeze. Temporarily activate the filter pump for continuous operation during light freeze conditions. Hard Freeze Conditions A hard freeze is when the ambient air temperature falls below 32 degrees Fahrenheit (0°...
3 - Troubleshooting IN THIS SECTION: Fault Codes AIR TEMP SENSOR OPEN or AIR TEMP SENSOR SHORT CLOCK LOW BATTERY DEFROST1 SENSOR OPEN or DEFROST2 SENSOR OPEN DEFROST1 SENSOR SHORT or DEFROST2 SENSOR SHORT ERROR AT MASTER UNIT HIGH PRESSURE FAULT HIGH WATER TEMPERATURE HP5 SYSTEM LOCKOUT LOW PRESSURE FAULT...
A fault code indicates a specific issue or condition that will require action before the equipment can resume operating. Please perform the following troubleshooting. If the issue reoccurs, please contact Leisure Temp. See "Contacts" on page 1. Failure to heed the following will result in injury or death. DANGER Deactivate power while routing wiring to control board.
DEFROST1 SENSOR SHORT DEFROST2 SENSOR SHORT ISSUE Shorted defrost sensor. RESOLUTION A qualified technician should replace the defrost sensor. ERROR AT MASTER UNIT ISSUE The heat pump is slaved to a master heat pump that is displaying a fault code. RESOLUTION The error at the master heat pump must be corrected before the slaved unit will resume operation.
Heat and Cool Units (Reversing) Place heat pump in heating mode and perform the following troubleshooting. 1. Check for proper fan operation. If the fan is not operating, contact Leisure Temp Technical Support. 2. Check for obstructed airflow around the heat pump.
Failure to heed the following may result in damage to equipment. NOTICE Service by unauthorized personnel will void the factory warranty. Please perform the following troubleshooting. For further assistance, please contact Leisure Temp. See "Contacts" on page 1. Blank Display ISSUE The Heat Pump may have an incoming power problem.
Display Panel Not Responding ISSUE The heat pump's display panel will not respond to user input. RESOLUTION 1. If heat pump display shows " UNDER REMOTE CONTROL ", use the external control device to control the heat pump. 2. If needed, check with the external controller manufacturer for further assistance using that device. Displays Defrosting Displays "DEFROSTING"...
"SET TO SWITCH REMOTELY" Displays ISSUE "SET TO SWITCH If when pressing the "Pool / Spa" button the display flashes the message REMOTELY", the heat pump is using a remote relay switch or a 3-wire controller. RESOLUTION The Pool and Spa thermostat automatically switch when using these modes. Operation manually will not be available when using these external devices.
Heat Pump's Tripping Breaker ISSUE The heat pump breaker(s) keeps tripping. RESOLUTION 1. If heat pumps have been connected using a multiple heat pump configuration, the configuration may be incorrect. Please confirm settings or contact installer of equipment. 2. Have an electrician confirm breakers are correct type, in good condition, and properly sized for the heat pump.
Heat Pump Is Running, Not Heating ISSUE The heat pump is running. But the water is not heating. RESOLUTION 1. If the heat pump is using an external controller, confirm it is set correctly. See "Operating Heat Pump (With an External Controller)" on page 14. If the heat pump is still not running correctly with this device, contact the installer of the device or the device’s manufacturer for further assistance.
Heat Pump Is Running, Not Cooling ISSUE The heat pump is running. But the water is not cooling. RESOLUTION 1. If the heat pump is using an external controller, confirm the heat pump is programmed properly to allow for cooling. See "Operating Heat Pump (With an External Controller)"...
"Pool / Spa" Button Will Not Work ISSUE The "Pool / Spa" button is disabled if the following devices have been configured on the heat pump. Check with installer if unsure of devices enabled on heat pump. RESOLUTION A 2-wire external controller. A 3-wire external controller.
4 - Appendix IN THIS SECTION: 4.1 Factory Defaults 4.2 Identifying Model Specifications 4.3 Weights 4.4 Heating Recommendations 4.5 Available Accessories 4.1 Factory Defaults Certain programming options have been preset at the factory. These options can be overwritten for site- specific conditions.
Installer Menus MENUS DEFAULT OPTIONS SET MULTI-UNIT MODE MASTER SLAVED SMART SET EXT. CTRL MODE 2WIRE 3WIRE 12 Hour SET TIME FORMAT 12 Hour 24 Hour SET DATE FORMAT Fahrenheit SET TEMPERATURE UNITS Fahrenheit Celsius SET BACKUP HEAT MODE SCHEDULED 24HR SET ENTRY CODE ENABLED SET USER ENTRY CODE...
Model Number Example 4.3 Weights NOTE: Specifications subject to change. Model Type Model Number Install Weight 180 Pounds Leisure Temp LT55 (81.6 kg) Leisure Temp 175 Pounds LT400 (79.4 kg) Leisure Temp 200 Pounds LT600 (90.7 kg) Leisure Temp 240 Pounds LT700 (108.9 kg)
4.5 Available Accessories Accessories may be purchased through an authorized dealer of Leisure Temp products. Bypass Valve Kit (# STK0135) When high flow rates are outside recommended specifications, please use this kit or an alternative bypass valve system. This kit can be used to control excessive water flow through the heat pump.
Page 44
Plumbing Unions 2 Inch Unions - (# PLS2627) Temperature Port Kit (# STK0096) This port can be used to adjust water flow using Delta-T. The kit comes with port, installation components, and a temperature probe. Page - 41...
Need help?
Do you have a question about the LT55 and is the answer not in the manual?
Questions and answers