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2.6 Adjusting Water Flow Using ΔT (Delta-T)

The Delta-T is the temperature difference between 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 approximately six inches away from the
heat pump.

PLEASE NOTE -

l

The installation of temperature ports are required for all Great Big Bopper

®

installations on

both inlet and outlet piping.

n

See "Temperature Port Kit (# STK0133) " on page 46.

Temperature Port

(Shown with Probe)

1. Adjust thermostat to its lowest setting with unit in heating

mode.

2. Deactivate the water filtration pump.

3. Confirm that the filters leading to the heat pump are clean.

4. Adjust the valves controlling water headed towards the heat

pump to the half open position.

5. Adjust the valves controlling water leading away from the

heat pump to a fully open position.

6. Activate the pool water filtration pump.

7. Slowly raise the thermostat temperature until the heat pump

activates.

l

After a four-minute delay, the heat pump's compressor will start.

8. With the heat pump running, confirm the filtration pump is operating properly with adequate flow and no short

cycling.

9. Wait for water temperatures to stabilize (approximately 5 minutes).

12. Adjust valves in the following order using the temperature chart provided.

a. Adjust the valve that controls water exiting the heat pump until the correct temperature differential is

achieved. Match the temperature measured with a temperature probe to the chart.

b. Wait for water temperatures to stabilize. Then check temperature again. Re-adjust the valve as needed.

13. Mark valves at these positions for future reference.

HEAT EXCHANGER

TYPE

MODEL

TEMPERATURE

Titanium ThermoLink

®

BB500 50 Hz 380 - 415
V

3° to 7° F

Titanium ThermoLink

®

BB500 60 Hz 208 - 230
V

4° to 8° F

Titanium ThermoLink

®

BB500 60 Hz 460 V

4° to 8° F

Table 3 - Temperature Chart

2

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Содержание GBB BB500

Страница 1: ...Manual SMART CONTROLLER ENABLED Important Read this document before operating installing this product For additional product manuals and operation installation procedures please visit www AquaCal com...

Страница 2: ......

Страница 3: ...all Flex 16 1 6 b Operating Heat Pump With an External Controller 19 1 6 c Operating Heat Pump With an External Flow Switch 19 1 6 d Operating Heat Pump With a Gas Back Up 19 d 1 Using Gas Boost 20 d...

Страница 4: ...d service of heat pump must be performed by an authorized service center l Warranties may be voided if the equipment has been improperly installed maintained or serviced l If service is deemed necessa...

Страница 5: ...n persons 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 Prolonged...

Страница 6: ...al Flow Switch 19 1 6 d Operating Heat Pump With a Gas Back Up 19 1 6 e Operating Multiple Connected Heat Pumps 24 1 1 Wake Up Heat Pump The display back light will be off when the heat pump is in sle...

Страница 7: ...vigate through menu options Used to decrease temperature set point and navigate through menu options Used to select heat pump s operating mode Also used to edit or confirm options in a menu Indicator...

Страница 8: ...controlled by another connected heat pump Remote Controlled by external controller Heat Pump is set to be controlled by an external controller Set to 75 F Maintaining Maintaining a water temperature...

Страница 9: ...red Heating light will activate l COOLING MODE After fan and compressor starts the blue Cooling light will activate l AUTO MODE After fan and compressor starts the heat pump will maintain the set temp...

Страница 10: ...Up Programming 1 5 a Factory Defaults Certain options have been preset at the factory These options can be overwritten for site specific conditions NOTICE Failure to heed the following may result in d...

Страница 11: ...SCHEDULED 24HR SET BACKUP GAS START 9 00 AM SET BACKUP GAS END 5 00 PM SET ENTRY CODE ENABLED OFF OFF ON SET USER ENTRY CODE 01 SET CALL FLEX MODE OFF OFF CALL FLEX 1 5 b Selecting Celsius or Fahrenh...

Страница 12: ...Page 9 1 5 c Setting Date and Time Set the heat pump s time and date using the following steps 1 Operation...

Страница 13: ...e 10 1 5 d Setting Date and Time 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 1 Operat...

Страница 14: ...Page 11 Customize Date The date can be displayed as Day Month Year the default is Month Day Year 1 Operation...

Страница 15: ...Page 12 1 Operation...

Страница 16: ...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 foll...

Страница 17: ...Page 14 1 Operation...

Страница 18: ...n 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...

Страница 19: ...rator 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 se...

Страница 20: ...n 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 T...

Страница 21: ...Page 18 Configure for Flex mode 1 Operation...

Страница 22: ...as been installed and enabled the heat pump thermostat will automatically switch between pool and spa depending on how the water flow actuators are set The Pool Spa button will be disabled when this d...

Страница 23: ...the water temperature falls 2 F below the set temperature and the ambient air temperature is below 60 F l When the set temperature is reached the gas heater deactivates The heat pump then maintains th...

Страница 24: ...Page 21 1 Operation...

Страница 25: ...e gas heater s schedule must match the circulation pump s schedule l Setting a gas backup heater schedule is only necessary when the gas backup heater has been configured in scheduled mode Example bel...

Страница 26: ...Page 23 1 Operation...

Страница 27: ...r 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 c...

Страница 28: ...equipment l Do not allow water to flow through heat pump when refinishing or acid washing a pool Either use an installed bypass to route water away from heat pump or deactivate filter pump l To avoid...

Страница 29: ...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 outside cabinet using a low pressure water hose...

Страница 30: ...olishing Agents The trademarks used in approved polishing agents are property of their owners and are not related to AquaCal 2 3 Clearances l Proper air circulation is required for the heat pump to op...

Страница 31: ...30 V Titanium ThermoLink 120 GPM 280 GPM BB500 60 Hz 460 V Titanium ThermoLink 120 GPM 280 GPM PLEASE NOTE If minimum flow rates are not met heat pump performance is reduced and performance will suffe...

Страница 32: ...r headed towards the heat pump to the half open position 5 Adjust the valves controlling water leading away from the heat pump to a fully open position 6 Activate the pool water filtration pump 7 Slow...

Страница 33: ...prevent physical injury or damage to equipment For tasks requiring handling refrigerant an HVAC license is required Recommended Inspection Checklist 1 Clean Evaporator Coil As Applicable 2 Check Conta...

Страница 34: ...oving water will not freeze Temporarily set the filter pump s time clock for continuous operation during light freeze conditions Hard Freeze Conditions A hard freeze is when the ambient air temperatur...

Страница 35: ...FAULT 36 WATER TEMP SENSOR SHORT or WATER TEMP SENSOR OPEN 36 Issues and resolutions A Front Panel Warning Indicator is Red Select Units 36 Blank Display 36 Display Panel Not Responding 37 Displays D...

Страница 36: ...sult 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 t...

Страница 37: ...e 29 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 incoming water temperature drops to 100 F 38...

Страница 38: ...w pressure faults during one call for heating or cooling 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...

Страница 39: ...irs 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 unqualifi...

Страница 40: ...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 p...

Страница 41: ...splay 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...

Страница 42: ...SSUE The heat pump will not deactivate RESOLUTION PLEASE NOTE When 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...

Страница 43: ...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...

Страница 44: ...ving heat out of the water 7 Confirm that filter pump has a sufficient run time The heat pump will not run or cool the water without water flow l See Cooling Recommendations on page 44 Ice Forming on...

Страница 45: ...uced as a by product of the heat pump s refrigeration process The heat pump can produce up to 30 gallons of condensation per hour depending on the humidity of the ambient air Determine if the water is...

Страница 46: ...4 1 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...

Страница 47: ...se a pool cover or blanket to reduce heating time 4 4 Cooling Recommendations The following recommendations will reduce the amount of time required to cool a pool or cold plunge application If unsure...

Страница 48: ...xtend the swimming season l AquaCal recommends Lo Chlor Aqua Blanket Over Temperature Alarm Kit l This kit is an additional safety device It disables the heat pump if any malfunction occurs that allow...

Страница 49: ...Page 46 Temperature Port Kit STK0133 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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