aquatherm Omni-Swim OS140 User manual

Installation Manual
SMART CONTROLLER ENABLED
LTP0130 REV 1.06
Important
Read this document before operating / installing this product

Table of Contents
Contacts 1
Safety Instructions 1
1 - Installation 3
1.1 Positioning Equipment 4
1.2 Clearances 5
1.3 Dimensions 5
1.4 Plumbing 6
1.4.a Plumbing Requirements 6
1.4.b Plumbing Diagrams 6
1.4.c Water Connections to Heat Pump 8
1.4.d In-Line Chlorine Feeders 11
1.4.e Water Flow Rates 11
1.4.f Adjusting Water Flow Using ΔT (Delta-T) 13
1.4.g Maintaining Ability to Winterize 13
1.5 Electrical 14
1.5.a Electrical Requirements 14
1.5.b Incoming Power Access Holes 15
1.5.c Access Panels 16
1.5.d Schematic Location 16
1.6 External Equipment 17
1.6.a Connecting a Call Flex 17
1.6.b Connecting External Controllers to Heat Pump 19
b.1 Connecting Smart Bus Controllers 19
b.2 Connecting Two-wire Controllers (with internal thermostat) 24
1.6.c Connecting Gas Backup Heater to Heat Pump 26
1.6.d Connecting Multiple Heat Pumps (Master / Slaved) 32
1.6.e Connecting Optional Automatic Thermostat Switching 38
1.7 Program Heat Pump for the Customer 40
1.7.a Setting Date and Time 40
1.7.b Setting Date and Time Format 42
1.7.c Selecting Celsius or Fahrenheit 44
1.7.d Setting Entry Code Option 45
1.7.e Using Entry Code to Access Heat Pump 47
1.7.f Resetting Factory Defaults 48
1.8 Cleaning Equipment After Installation 49
2 - Troubleshooting 51
2.1 Fault Codes 51
2.2 Issues and Resolutions 55
3 - Appendix 60
3.1 Identifying Model Specifications 60
3.2 Weights 60
3.3 Heating Recommendations 61
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Contacts
For further assistance, please contact the installing dealer of this product.
To better assist you, please have the heat pump model and serial number available.
lSee "Identifying Model Specifications" on page 60.
Product Information:
Website http://omniswimpoolheater.com/
Phone [phone]
Hours 8:30 am – 5:00 pm Eastern US time
Service Information:
Website http://omniswimpoolheater.com/
Phone [phone]
Hours 8:30 am – 5:00 pm Eastern US time
SAFETY INSTRUCTIONS
lFor personal safety, and to avoid damage to equipment, follow all safety instructions displayed on the equipment
and within this manual. Repair and service of heat pump must be performed by an authorized service center.
lWarranties may be voided if the equipment has been improperly installed, maintained or serviced.
lIf service is deemed necessary, please see "Contacts" on page 1.
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 result in injury or death.
NOTICE
Failure to heed the following may result in damage to
equipment.
When installing and using your heat pump basic safety precautions must always be followed, including the
following:
DANGER Failure to heed the following will result in injury or death.
lThe heat pump utilizes high voltage. Use caution when servicing.

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WARNING Failure to heed the following may result in injury or death.
lInstallation and repairs must be performed by a qualified technician.
lThe 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.
lImproper water chemistry can present a serious health hazard. To avoid possible hazards, maintain pool / spa water
per standards as detailed in the product's operation manual.
lProlonged immersion in water warmer than 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. In addition, 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.
NOTICE
Failure to heed the following may result in damage to equipment.
lMaintain proper water chemistry in order to avoid damage to pump, filter, pool shell, etc.
lWater flow exceeding maximum flow rate requires a bypass. Damage due to excessive water flow will void
warranty.
SAVE THESE INSTRUCTIONS

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1 - Installation
WARNING Failure to heed the following may result in injury or death.
lInstallation of this equipment by anyone other than a qualified installer can result in a safety hazard.
lThe information contained throughout the "Installation" section is intended for use by qualified installation
technicians familiar with the swimming Pool / Spa safety standards.
NOTICE
Failure to heed the following may result in damage to equipment.
lFailure to protect equipment against corrosive conditions will adversely affect the life of the equipment and will
void equipment warranty.
IN THIS SECTION:
1.1 Positioning Equipment 4
1.2 Clearances 5
1.3 Dimensions 5
1.4 Plumbing 6
1.4.a Plumbing Requirements 6
1.4.b Plumbing Diagrams 6
1.4.c Water Connections to Heat Pump 8
1.4.d In-Line Chlorine Feeders 11
1.4.e Water Flow Rates 11
1.4.f Adjusting Water Flow Using ΔT (Delta-T) 13
1.4.g Maintaining Ability to Winterize 13
1.5 Electrical 14
1.5.a Electrical Requirements 14
1.5.b Incoming Power Access Holes 15
1.5.c Access Panels 16
1.5.d Schematic Location 16
1.6 External Equipment 17
1.6.a Connecting a Call Flex 17
1.6.b Connecting External Controllers to Heat Pump 19
1.6.c Connecting Gas Backup Heater to Heat Pump 26
1.6.d Connecting Multiple Heat Pumps (Master / Slaved) 32
1.6.e Connecting Optional Automatic Thermostat Switching 38
1.7 Program Heat Pump for the Customer 40
1.7.a Setting Date and Time 40
1.7.b Setting Date and Time Format 42
1.7.c Selecting Celsius or Fahrenheit 44
1.7.d Setting Entry Code Option 45
1.7.e Using Entry Code to Access Heat Pump 47
1.7.f Resetting Factory Defaults 48
1.8 Cleaning Equipment After Installation 49
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1.1 Positioning Equipment
NOTICE
Failure to heed the following may result in damage to equipment.
lDo not install equipment inside of a building.
Outdoor Use Only
Do not install equipment inside of a room or building.
lHeat Pumps require unobstructed air flow for proper operation. Heat Pumps should never be installed indoors or
in a location where air flow is restricted.
lSee "Clearances" on page 5.
Controlling Irrigation and Rainwater Runoff
lIrrigation water may damage heat pump components. Direct irrigation water away from the heat pump.
lThe heat pump will withstand normal rainfall. Do not allow a roof slope to direct rainwater onto the heat pump.
Have a gutter installed on the roof edge to direct this water away from the heat pump. Or install the heat pump in
another location.
Planning for Condensation
The heat pump can produce a large amount of condensation. The amount of water depends on air temperature
and humidity.
lInstall the heat pump with enough height to allow for water drainage.
Mounting Pad Requirements
lThe heat pump's base must be installed on a flat and level surface that completely supports the entire base.
lBuild the heat pump pad out of concrete or other code-approved material.
lConfirm the pad can support the weight of the heat pump. See "Weights" on page 60.
lElevate the pad enough to allow for drainage.
lMake sure the pad is flat and level.
lHave the pad extend at least 6 inches from the heat pump base in all directions.
lDo not install the heat pump on soil or grass.
lDo not allow the heat pump base to touch the building's foundation.
lDo not place the heat pump directly on a concrete floor. This can case noise to be transmitted to an occupied
space. If necessary install vibration dampers between the heat pump base and floor.
lEquipment pad must meet all requirements of authorities having code-related jurisdiction.
Anchoring to Pad
lFollow all applicable local, state, and national requirements regarding wind load anchoring.
lThe shipping brackets used to secure the heat pump to the pallet are approved mounting (hurricane) brackets.
They should be used to anchor the heat pump to the pad.
lIf needed, contact Omni-Swim®to obtain anchoring kit information. Please have the heat pump model number and
serial number when requesting support. See "Identifying Model Specifications" on page 60.
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1.2 Clearances
lProper 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.
lAvoid storing chemical containers near the heat pump. The chemicals can cause equipment damage.
lAvoid 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)
Omni-Swim®
(Top View)
Omni-Swim®
1.3 Dimensions
(Omni-Swim®OS115) (Omni-Swim®OS140)
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1.4 Plumbing
1.4.a Plumbing Requirements
NOTICE
Failure to heed the following may result in damage to equipment.
lDo 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.
lThe heat pump must receive water flow within the specified minimum ranges under worst-case conditions such as a
fouled water filter.
lFailure to provide clean filtered water to the heat pump can void product warranty.
lWater 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 equipment warranty. See "Water Flow Rates" on page 11.
lInstall a bypass valve whenever water-flow may exceed maximum rating.
lFor additional guidance testing water flow rates, please contact Omni-Swim®.
lA safety enhancing "Over Temperature Alarm"kit is strongly recommended for all spa applications.
1.4.b Plumbing Diagrams
Plumbing diagrams are provided in this section as a planning guide to the sequence of equipment, valves, and
fittings. These diagrams are for installations with a direct solar thermal system.
lThe basic plumbing configurations for typical installations are shown.
lConfirm water provided to 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 11.
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Heat Pump with water flows greater than maximum listed flow rate
See "Water Flow Rates" on page 11.
Heat Pump with Spillover Spa (One filter Pump)
Heat Pump with Spillover Spa (Two filter Pumps)
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Heat Pump with Gas Heater backup
Multiple Air Source Heat Pumps
1.4.c Water Connections to Heat Pump
lPlumbing unions are to be used on the pool-in, pool-out, solar-in, and solar-out plumbing lines running from the
heat pump. This will allow the heat pump to be winterized as needed.
lHeat Pump union sizes are specified on diagrams.
lUnused plumbing connections are to remain capped.
lConnections 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.
lDo 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.
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Connection Points to Heat Pump
Only one connection to and from pool is used. The other in and out pool connections are capped.
Shown with an Actuator Installed and Solar ON
Actuator Water Flow Direction
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Shown with an Actuator Installed and Solar OFF
Actuator Water Flow Direction
Plumbing Locations - Omni-Swim®OS115 and OS140
Only one connection to and from pool is used. The others are capped.
View from Top of Heat Pump Back of Heat Pump
Solar Side Connection Points
Left Side of Heat Pump
Pool Side Connection Points
Right Side of Heat Pump
Pool Side Connection Points
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1.4.d In-Line Chlorine Feeders
Place in-line chlorinators downstream from the heat pump and as low in elevation as possible.
lIf an erosion type feeder is used, it is recommended that a Hartford Loop be installed to protect internal heat
pump components.
lA Hartford Loop is not necessary with a Salt Chlorine Generator.
Heat Pump with Hartford Loop
1.4.e Water Flow Rates
Maintain water flow rates as 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.
lWater 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 equipment warranty.
MODEL HEAT EXCHANGER TYPE FLOW RATES
MINIMUM MAXIMUM
OS115 Titanium ThermoLink®30 GPM 70 GPM
OS140 Titanium ThermoLink®30 GPM 70 GPM
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:
lHIGH PRESSURE FAULT
lHP5 SYSTEM LOCKOUT
lLOW PRESSURE FAULT
lLP5 SYSTEM LOCKOUT
lOperate water filtration devices per manufacturer's specifications. Dirty filters can cause a reduction of water flow
to the heat pump. An increase of 7-10 psi higher than the clean filter pressure typically reduces flow rates. This
requires the filter to be cleaned or back-washed.
lKeep baskets free of debris. A large quantity of debris in the pump and skimmer baskets can reduce water flow.
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lCheck for improper valve settings. A partially closed valve after the filter, or a full-open bypass around the heat
pump, will cause insufficient water flow through the heat pump.
lThe maximum static pressure (or operating pressure) is 50 pounds-per-square-inch (PSI). These specifications
relate to the heat pump only.
lCode-specified whole system turnover rates must be satisfied.
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1.4.f 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 and solar system set to
OFF.
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.
lAfter a four-minute delay, the heat pump's compressor will start.
8. With the heat pump running, confirm the water 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..
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
Omni-Swim®OS115 3° to 7° F
Omni-Swim®OS140 3° to 7° F
Table 1 - Temperature Chart
PLEASE NOTE -
lTemperature differences are based on pool water temperatures of 69° to 75° F.
lFor water temperatures outside this range, contact Omni-Swim®.See "Contacts" on page 1.
1.4.g Maintaining Ability to Winterize
Do not glue the threaded portion of the unions or plumbing line caps. The unions are used to decouple the
heat pump from the plumbing system during hard freeze conditions.
NOTICE
Failure to heed the following may result in damage to equipment.
lDo not use glue on the threaded portion of the equipment’s unions or plumbing line caps. A glued-in-place union or
cap will prevent the heat pump from being properly winterized.
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1.5 Electrical
1.5.a Electrical Requirements
WARNING Failure to heed the following may result in injury or death.
lThe information contained in this section is intended for use by qualified electricians familiar with electrical
service-industry safety standards and methods.
lLocate the equipment disconnect as near to the heat pump as possible. Always satisfy applicable codes and
standards.
lNever mount power-disconnects directly to the heat pump.
lIn sizing power wiring, be especially aware of up-sizing requirements necessary due to wiring distances. Always
satisfy applicable codes and standards.
lOmni-Swim®heat pumps are designed to use copper conductors, only. Do not use aluminum wire.
lIf multiple heat pumps are on site, confirm that the multiple heat pump configuration has been utilized. See
"Connecting Multiple Heat Pumps (Master / Slaved)" on page 32. 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 2005 The electrical installation must conform to the current
version of the National Electric Code (NEC), and all
applicable local and state codes
IEC 60335-1 Household and similar electrical appliances - Safety -
General Requirements
IEC 60335-2 Household and similar electrical appliances - Safety –
Particular requirements for electrical heat pumps, air-
conditioners, and dehumidifiers
UL 1995 & CSA C22.2
No. 236-15 Standard for Safety - Heating and cooling equipment
Table 2 - Standards
Grounding and Bonding
Follow local code requirements for properly grounding and bonding heat pump equipment.
lA bonding lug has been provided on the lower right hand corner of the front access panel.
Surge Suppression
The use of approved commercial surge protectors is strongly recommended.
Sizing the Electrical Service
Refer to equipment data plate for specific information required to size electrical service and over-current
protection of heat pump. Sizing is based on data plate information, wire size, wiring devices, and over-current
protection per applicable local codes and standards. See "Identifying Model Specifications" on page 60.
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Minimum and Maximum Operating Voltage
The heat pump must operate within specified voltages.
NOTICE
Failure to heed the following may result in damage to equipment.
lOperating equipment under higher or lower voltage conditions may result in damage to your compressor, motors or
other electrical components. This damage will not be covered by 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 site conditions have been
corrected. If unsure of heat pump equipment rating, please see "Identifying Model Specifications" on page 60.
Equipment Rating Minimum
Site Voltage
Maximum
Site Voltage
A Voltage
(208 to 230 Volts)
Single Phase 60 hertz
200 Volts 253 Volts
H Voltage
(200 to 240 Volts)
Single Phase 50 hertz
180 Volts 264 Volts
1.5.b Incoming Power Access Holes
(Omni-Swim®OS115 and OS140)
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1.5.c Access Panels
(Omni-Swim®OS115 and OS140)
1.5.d Schematic Location
Schematics are located on the inside of the electrical panel.
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1.6 External Equipment
1.6.a Connecting a Call Flex
To support a direct connection to a call flex accessory, Omni-Swim®heat pumps are equipped with optional
terminal blocks on the microprocessor. The microprocessor is located on the low-voltage side of the electrical
enclosure.
The call flex accessory can override a circulation pump to provide water flow to the heat
pump when the set temperature is not met. For ordering information on the accessory,
Connecting a Call Flex
DANGER Failure to heed the following will result in injury or death.
lDeactivate power while routing wiring to control board.
WARNING Failure to heed the following may result in injury or death.
lThis section is only for qualified installers who are familiar with swimming pool and spa safety standards.
lThe installer must be familiar with service industry techniques.
NOTICE
Failure to heed the following may result in damage to equipment.
lThe wire size connecting the controller must be 22-gauge (minimum), 2-conductor, low-voltage wire.
Connection Points to the Microprocessor
1. Deactivate power to heat pump.
2. Remove heat pump electrical access panel.
3. Route 22-gauge (minimum), 2-conductor, low-voltage wires
to the low voltage side of the electrical enclosure. Follow all
National Electric Codes (NEC) unless State or Local
guidelines supersede.
4. Connect the controller wires to the port labeled "Call Flex"
on the microprocessor as indicated.
5. Reattach heat pump access panel.
6. Apply power to heat pump.
7. Configure heat pump to indicate an installed Call Flex.
1 - Installation