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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.

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Operating Heat Pump (With an External Controller)

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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.

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.

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Measure the temperature of air discharge coming out of the heat pump fan. If discharge air is
between 8° to 10° F (4.4° to 5.6° C) colder than the outside ambient air, the heat pump is moving
heat into the water.

6. If an error code is displayed, diagnose and correct cause of code.

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7. Confirm that the filter pump has a sufficient run-time. The heat pump will not run (or heat the

water) without water flow.

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Heating Recommendations

8. If heating a spa, deactivate air blower or venturi (if equipped) to allow for quicker heating times. For

pools, deactivate water features, such as slides, waterfalls, or fountains to allow water to retain heat.
Use of a liquid pool blanket product can also compensate for excessive heat loss.

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Содержание LT1000

Страница 1: ...Operation Manual LTP0147 REV 1 02 project rel 7 02 Important Read this document before operating installing this product ...

Страница 2: ......

Страница 3: ...xternal Controller 14 1 6 c Operating Heat Pump With an External Flow Switch 14 1 6 d Operating Heat Pump With a Gas Back Up 14 d 1 Using Gas Boost 15 1 6 e Operating Multiple Connected Heat Pumps 17 2 Maintenance 18 2 1 Water Chemistry 18 2 2 Cleaning Equipment 19 2 3 Clearances 20 2 4 Irrigation and Storm Run Off 21 2 5 Water Flow Rates 21 2 6 Adjusting Water Flow Using ΔT Delta T 22 2 7 Planned...

Страница 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...

Страница 5: ...n normal body temperature may cause a condition known as Hyperthermia The symptoms of Hyperthermia include unawareness of impending hazard failure to perceive heat failure to recognize the need to exit the 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 phy...

Страница 6: ... 14 1 6 e Operating Multiple Connected Heat Pumps 17 1 1 Wake Up Heat Pump The display s backlight will be off when the heat pump is in sleep mode To wake up the heat pump slowly slide a finger across the buttons l The display will illuminate l The message KEYPAD UNLOCKED will briefly appear l Then the water temperature and mode will display 1 2 Display Panel Display Panel The following informatio...

Страница 7: ...ease temperature set point and navigate through menu options Used to decrease temperature set point and navigate through menu options Used to select the heat pump s operating mode Also used to edit or confirm options in a menu Indicator Lights Indicators Description Heating Red LED indicates the unit is heating the water When calling for heating up to a three minute delay may occur before the comp...

Страница 8: ...ther connected heat pump Remote Controlled by external controller Heat Pump is set to be controlled by an external controller Set to 75 F Heating Heating water to point set on the thermostat In this example the pool thermostat has been set to 75 F Set to Off The heat pump has been deactivated using the Mode Enter button 1 3 Activate Heat Mode or Deactivate Equipment Press Mode Enter button until t...

Страница 9: ... press the up or down arrow to set the desired temperature setpoint for the water l 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 Operation ...

Страница 10: ...Page 7 1 Operation ...

Страница 11: ...de Option The entry code feature can prevent unauthorized temperature adjustments This feature initiates after the 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 a...

Страница 12: ...Page 9 1 Operation ...

Страница 13: ...on PLEASE NOTE l If the heat pump displays a KEYPAD LOCKED message the heat pump is in sleep mode See Wake Up Heat Pump on page 3 l If an entry code has already been activated the code must be entered before proceeding to disable 1 Operation ...

Страница 14: ...erator has the option of changing how this accessory works using either CALL mode FLEX mode or OFF Default Using Call Mode When the accessory is in CALL or override mode the circulation pump will be set to periodically activate This allows the heat pump to sample the water temperature l The default is 2 hours between each activation l The water temperature will be sampled for 30 seconds l If the w...

Страница 15: ...on pump does not automatically activate in this mode l If the desired water temperature has not been met by the end of the circulation pump s schedule the normal time off setting will be overridden l The circulation pump will continue to operate until the set temperature has been met l The circulation pump will then deactivate until the next normally scheduled start time Configure for Call mode 1 ...

Страница 16: ...Page 13 Configure for Flex mode 1 Operation ...

Страница 17: ...n installed and enabled the heat pump will automatically switch from pool to spa temperature settings when there is flow through the external flow switch The Pool Spa button will be disabled when this device is configured in the system Confirm with the installer if an external flow switch has been installed on the system 1 6 d Operating Heat Pump With a Gas Back Up If a gas backup heater is instal...

Страница 18: ... gas heater will activate when the water temperature falls 2 F 16 7 C below the set temperature and the ambient air temperature is below 60 F 15 6 C l When the set temperature is reached the gas heater deactivates The heat pump then maintains the water to the set temperature If the water temperature again falls 2 F 16 7 C below the set temperature the gas backup will reactivate d 1 Using Gas Boost...

Страница 19: ...Page 16 1 Operation ...

Страница 20: ...or slaved unit on the display Changes in mode and operation are made on the master primary heat pump only l 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 Slaved Heat Pump 03 1 Operation ...

Страница 21: ...en refinishing or acid washing a pool Use an installed bypass to route water away from the heat pump or deactivate the filter pump l To avoid damage to equipment monitor and maintain chemistry within recommended levels CHEMISTRY LEVEL CHART RESIDENTIAL CHEMICAL POOLS SPAS Chlorine 1 0 3 0 ppm 1 3 mg L 3 0 5 0 ppm 3 5 mg L Bromine 2 0 6 0 ppm 2 6 mg L 2 0 6 0 ppm 2 6 mg L Cyanuric Acid 30 50 ppm 30...

Страница 22: ...y l Do not spray water directly into the interior of 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 ag...

Страница 23: ...tant Table 2 Polishing Agents The trademarks used in approved polishing agents are the property of their owners and are not related to Leisure Temp 2 3 Clearances l 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 l Avoid storing chemical containers near the heat pump Th...

Страница 24: ...s indicated Please note these specifications relate to the heat pump only Code specified whole system turnover rates must be satisfied NOTICE Failure to heed the following may 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 FL...

Страница 25: ... the water temperatures entering and leaving the heat pump The equipment can be fine tuned for maximum performance by balancing water flow rates to maintain an ideal T The adjustment procedure must be completed with the unit in heating mode l Installed temperature ports are required to perform the following procedures l These ports are typically located on the pool in and pool out water lines appr...

Страница 26: ...perature differences are based on pool water temperatures of 69 to 75 F 20 5 to 23 8 C l 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 In harsh environments or coastal areas a bi annual inspection is...

Страница 27: ...ating Orientation As Applicable 2 8 Winterizing Failure to properly winterize the heat pump as needed may result in serious equipment damage 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 guidelines WARNING Failure to heed the following may result in injury ...

Страница 28: ...nel Then follow the procedure for the appropriate heat exchanger Titanium Tube in Tube Exchanger Titanium Tube in Tube 6 Disconnect the plumbing to the heat pump at connection unions removal is counter clockwise 7 Allow water to drain completely from the heat pump Expect to see a lot of water drain out at first and then a small amount to continue to drain out over a long period 8 Place an air hose...

Страница 29: ...SYSTEM LOCKOUT 29 SMART COMM FAULT 30 WATER TEMP SENSOR SHORT or WATER TEMP SENSOR OPEN 30 Issues and resolutions Blank Display 30 Display Panel Not Responding 31 Displays DEFROSTING 31 Displays NO SYSTEM FIRMWARE 31 Displays NO POOL SPA WATER FLOW 31 Displays SET TO SWITCH REMOTELY 32 Displays SET UNIT MODEL NUMBER 32 Heat Pump Not Running 32 Heat Pump s Tripping Breaker 33 Heat Pump Won t Shut O...

Страница 30: ...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...

Страница 31: ...r pump at a higher speed Do not exceed the maximum flow rate for the model 3 Confirm water is not being diverted away from the heat pump l See Water Flow Rates on page 21 l See Adjusting Water Flow Using ΔT Delta T on page 22 HIGH WATER TEMPERATURE ISSUE Incoming water temperature has exceeded 110 F 43 C and the unit has been deactivated The heat pump will not operate until the incoming water temp...

Страница 32: ...ator coil l See Cleaning Equipment on page 19 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 See LOW PRESSURE FAULT above MULTI UNIT COMM FAULT ISSUE ...

Страница 33: ...ctivate 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 Repairs must not be attempted by untrained or unqualified individuals l The heat pump contains refrigerant under pressure Repairs to the refrigerant circuit must not be attempted by untrained or unqualif...

Страница 34: ...be sent through the coil to rapidly remove ice or frost During this process the melting of the ice may appear as steam coming off the heat pump This is normal Displays NO SYSTEM FIRMWARE ISSUE The heat pump has encountered a software error RESOLUTION Call for service Displays NO POOL SPA WATER FLOW ISSUE Low or no water detected This is normal when the circulation pump is deactivated RESOLUTION 1 ...

Страница 35: ... heat pump display illuminated l If not confirm the main breaker located at the power supply 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 l See Activate Heat Mode or Deactivate Equipment...

Страница 36: ... The heat pump will not deactivate RESOLUTION PLEASE NOTE When the heat pump is set to off the display will show the current water temperature or no water flow indicator 1 Confirm the correct mode has been set on the heat pump l See Activate Heat Mode or Deactivate Equipment on page 5 2 Confirm the heat pump has reached the desired temperature set on the thermostat The heat pump will continue to r...

Страница 37: ...lated when being heated not flowing into the pool 5 Confirm heat pump is transferring heat into the water l Measure the temperature of air discharge coming out of the heat pump fan If discharge air is between 8 to 10 F 4 4 to 5 6 C colder than the outside ambient air the heat pump is moving heat into the water 6 If an error code is displayed diagnose and correct cause of code l See Fault Codes on ...

Страница 38: ...is moving heat out of the water 7 Confirm that the filter pump has a sufficient run time The heat pump will not run or cool the water without water flow l See Cooling the water for the first time Ice Forming on the Heat Pump Ice Forming on the Heat Pump ISSUE When conditions are too cold for proper operation the heat pump will enter a defrost mode This prevents ice from building up on the evaporat...

Страница 39: ... product of the heat pump s refrigeration process The heat pump can produce up to 8 to 10 gallons 30 to 38 liters of condensation per hour depending on the humidity of the ambient air Determine if the water is condensation or a possible leak RESOLUTION 1 Deactivate heat pump leaving the filter pump on After several hours determine if the water is still coming from the heat pump 2 If using chlorine...

Страница 40: ...ilure to heed 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 PLEASE NOTE Changing setting...

Страница 41: ... 24HR SET ENTRY CODE ENABLED OFF OFF ON SET USER ENTRY CODE 01 SET CALL FLEX INSTALLED NO YES NO SET CALL FLEX MODE OFF OFF CALL FLEX 4 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 c...

Страница 42: ...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...

Страница 43: ...lve system l This kit can be used to control excessive water flow through the heat pump It provides automatic flow adjustments for most applications 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 kit is not to be use...

Страница 44: ...lumbing Unions l 2 Inch Unions PLS2627 Temperature Port Kit STK0096 l This port can be used to adjust water flow using Delta T l The kit comes with port installation components and a temperature probe 4 Appendix ...

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