85 0067-b5 8600 series installation rev.1

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HydroQuip
13345 Estelle Street
Corona, CA 92879
On the Web: www.hydroquip.com
Email: hq@hydroquip.com
Phone: (909) 273-7575 Fax: (909) 273-7550
“T H E S M A R T C H O I C E”

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85-0067-B5 Rev.0 03.01 Wholesale Pool and Spa Parts 920-925-3094

HT-2 / 8600 Spa Control Contents HT-2 / 8600 Troubleshooting Pressure Switch

HT-2 / 8600 Installation Considerations If your System is equipped with a pressure switch, the function of the pressure switch is to shut the
heater off if the pump is turned off or if there is restricted water flow (dirty filter, obstruction in the
Typical Layout 2 spa plumbing etc.).
Pump Considerations 2
Blower Considerations 3 If the heater is installed more than two (2) feet below the spa water level, adjustment of the
pressure switch may be necessary. The following procedures and illustrations outline the
adjustment of the pressure switch.
HT-2 / 8600 Installation Configuration
CAUTION: Remove all power to the unit prior to completing the steps below:
Gas Heater 3

HT-2 / 8600 Installation Electrical Connection

Circuit Breaker and Rating 4
Four Wire Input 4
Input Terminal Block 5

HT-2 / 8600 Installation Special Considerations

Spaside Control 5
In-House Remote 6
Auxiliary Control 6
Infrared Sensor 7
Air Blower 7
Spa Light 8

HT-2 / 8600 Programming Low Level Programming Adjustment • Shut off power to the
System prior to
Parameters 9 accomplishing any
adjustments to the
HT-2 / 8600 Operation Start Up & Test pressure switch.
• Remove wires from
Power Up 10 pressure switch terminals.
Pump 1 Key 10 • Place an Ohmmeter across
Pump 2 Key 10 the pressure switch
Accessory Key 11 terminals to verify an
Light Key 11 OPEN circuit.
Light Key (with Fiber Optic) 11 • Rotate the pressure switch
Temperature Set Keys 12 adjustment screw counter-
clockwise until the
HT-2 / 8600 Troubleshooting Error Messages Ohmmeter indicates a
CLOSED circuit.
• Finally, rotate the pressure
FLO Message 12 switch adjustment screw
FLC Message 12 clockwise until the
Prr Message 13 Ohmmeter indicates an
PrH Message 13 OPEN circuit again.
HL Message 13 • Apply power to the unit at
Pressure Switch Adjustment 14 this time and operate the
spa or hot tub as normal.

http://www.MyPoolSpas.com Wholesale Pool and Spa Parts 920-925-3094
1 14

HT-2 / 8600 Troubleshooting Error Messages HT-2 / 8600 Installation Special Considerations
Hydro-Quip 8000 Series Solid State Equipment Systems were designed for indoor or outdoor
Prr • This error indicates a installations. This equipment may be used for in-ground as well as aboveground spas.
problem with the
Temperature sensor. • The Equipment System must be installed on a firm, level surface. (Example, concrete pad)
• Unplug the sensor from the
system circuit board and • Locate the Equipment System as close to the spa as practical but no more than 25’ away
verify that there are no form it. Consult local codes for minimum distance between equipment and spa.
bent pins.
• Plug sensor back into the • The area where the Equipment System is mounted must have adequate drainage to prevent
circuit board. flooding the equipment under all circumstances.
• Press any key to reset the
system. • Provide adequate access around and above the Equipment System for service and
• If the problem persists, maintenance. Three feet (3’) of clearance around the equipment is recommended.
replace the sensor.
• The pump(s) provided with the Equipment System may be self-priming or non self-priming.
Non self-priming pump(s) must be installed below the normal water level.
HL • This error indicates an over
temperature condition. • All components such as the pump(s), air blower and light are connected using J & J
• Check the heater housing. connectors located inside the component connection compartment below the control box.
If the housing is hot to the
touch there is not adequate Typical Installation Layout
water flow.
• Ensure that all water shut-
off valves are open and
that the air has been
adequately purged from
the plumbing.
• Press any key to reset the
system.

For extreme “Hot” or “Cold” climates, the temperature and high-limit sensor must be located per
the layout callouts above. The temperature sensor can be installed either below grade in the
suction plumbing or in a sensing well installed within the spa. The high-limit sensor may remain in
its factory-installed location for “Cold” climates (below 35°F) but must be installed below grade
when the equipment will be subjected to high temperatures (above 95°F).

http://www.MyPoolSpas.com 13 Wholesale Pool and Spa Parts 920-925-3094
2

HT-2 / 8600 Installation Considerations HT-2 / 8600 Operation Start Up & Test
Pump Considerations Temperature • Press the Up Arrow Key
to obtain a temperature
To assure adequate performance, the spa plumbing must be 1 ½ “ minimum. The use of 2” is higher than the present
recommended. A good grade of fresh PVC-to-PVC primer and solvent should be used for all water temperature: The pump
plumbing connections. low speed will activate.
The Heater Icon will flash
There may be three separate plumbing systems in the spa. Verify the function of each pipe. on the Spa-Side control for
5 seconds, the Heater will
• Suction Side Plumbing – this plumbing will connect to the spa’s skimmer, main drain and then activate and the Icon
suction fittings. This plumbing connects to the open end of the pump on your Equipment will appear solid. On
System. systems equipped with a
• Discharge Side Plumbing – this plumbing will go to the spa’s hydrotherapy jet and message circulation pump, the
fittings. This plumbing connects to the open end of the heater on your Equipment System. system will act as above
• Air Blower Plumbing – this plumbing will go to an air channel under the floor or to an air without the pump turning
distribution manifold of the spa. This plumbing connects only to an air blower. on. (The circulation pump
will be operating.)
• Press the Down Arrow
Blower Considerations Key to achieve a
CAUTION: The air blower must be connected ONLY to the spa’s air distribution plumbing. temperature lower than
Connecting the air blower to any air piping associated with the hydrotherapy jets will create a the present temperature:
hazard by providing a path for high-pressure water to be forced into the blower motor. This will Heater will turn off, Pump
result in damage to the air blower and create an electrical shock hazard. will operate in low speed
for 20 seconds.
• The air blower must be installed to ensure that water cannot enter the air blower motor.
This can be accomplished by installing a single or double air loop that incorporates a check
valve. (See Illustration on Page 6) HT-2 / 8600 Troubleshooting Error Messages
Gas Heater Considerations If at any time during start up and error message appears in the lower spaside control window, use
the following procedures to identify and correct the problem:
Congratulations on your purchase of the 8600 Series Solid State Equipment System from
HYDROQUIP. This series of controls has been developed to allow you complete flexibility and FLC • This error is an indication
remote installation. that the pressure or flow
switch is closed prior to
When connecting input power, adding components not included with your Equipment System or pump operation.
making gas heater connections, refer to the wiring diagram located on the inside cover of the field- • Remove the pressure/flow
wiring compartment. Note that all pumps are connected utilizing the black wire for the high speed switch plug from the
and the red wire for the low speed of the pumps (black wire only for single a speed pump). system circuit board, an
FLO should appear.
• A Fireman’s Switch receptacle has been provided. It is located in the accessory compartment
• Adjust the pressure or flow
below the control box.
switch.
• The System will control the thermostat on the gas-fired heater to regulate the spa water
temperature. To accomplish this, connect the heater thermostat in parallel and set the heater
FLO • This error is an indication
thermostat to its highest setting.
that the pressure or flow
switch is open while the
pump is operating.
• Short the pressure/flow
switch terminals, an FLC
should appear.
• Adjust the pressure or flow
switch.

Refer to the section on pressure switch adjustment for proper calibration procedures.

3 12

HT-2 / 8600 Operation Start Up & Test HT-2 / 8600 Installation Special Considerations
Accessory Key • Press the Accessory • The heater can also be connected in parallel with the flow or pressure switch installed on the
Key: Blower will activate in gas heater. (Set the heater to its highest setting.)
high speed. Accessory
Icon will appear solid on
the Spa-Side control.
• Press Accessory Key
Again: Blower will switch
from high to medium
Speed. Accessory Icon will
flash.
• Press the Accessory Key
again: Blower will switch to
low speed. Accessory Icon
will flash. • The rocker switch can be removed on some models and connected in series. (Set the heater
• Press the Accessory Key to its highest setting.)
Again: Blower will shut
Off.

NOTE: On multiple speed components, the Icon associated with it will flash when it is in Low and
Medium speed and come on solid in High speed. On single speed components, the Icon
associated with it will come on solid while it is running.

Light Key • Press the Light Key: Light
High intensity will activate.
Light Icon will appear solid
on Spa-Side control.
• Press the Light Key
again: Light Medium
intensity will activate. Light
Icon will flash on Spa-Side
control.
• The input power can also be interrupted and the thermostat set to its highest setting.
again: Light Low intensity
will activate. Light Icon will
flash on Spa-Side control.
again: Light will shut Off.

Light Key • Press the Light Key: “L1”
(With Fiber Optic) will be displayed. Pressing
the Up Arrow Key will allow
you to set the intensity to
High, Medium, Low and The type of connection will depend on the application. Always refer to the instructions
Off. provided by the heater manufacture.
Again: “F1” will be
displayed. Pressing the Up
Arrow Key will allow you to
select Fiber Optic light and
color wheel On, Light Only,
then both Off.
Again: The Spa-Side will
return to the normal mode,
showing the temperature
and time.
11 4

HT-2 / 8600 Installation Electrical Connection HT-2 / 8600 Operation Start Up & Test
A qualified and licensed electrician in accordance with the National Electric Code (NEC)
• Read and familiarize yourself with the Equipment System Operation.
Article 680, Canadian Electric Code, and with any local codes must accomplish the
• Turn the electrical power “OFF” at the service or breaker panel.
electrical installation at the time of the installation.
• Open all WATER shut-off valves.
All connections must be made according to the electrical installation label inside the control box. • For spas equipped with a hose bib or drain valve, make sure that it has been closed.
Follow the instructions from the label if they are different than the instructions in this manual. If • For spas equipped with in-line or pressure water filters, make sure that the filter nut, housing
your electrician is not absolutely sure how to connect your system correctly, call your dealer. Any drain plug, and air relief valve are closed and tight.
mistake may be costly and invalidate your equipment warranty. • Using a standard water hose to fill the spa with fresh tap water to the level recommended by
the spa manufacturer.
The Ground Fault Circuit Interrupter (GFCI) is a mandatory electrical safety device required for all • Inspect all plumbing connections and lines for any sign of water leaks.
portable spas and hot tubs as specified in the National Electrical Code Article 680-42. A High- • Connect a garden hose to the bib or drain-valve and run it away from the equipment
Current GFCI has been built into your Equipment System. compartment. Open the hose bib or drain valve to bleed off any air that may have been
trapped in the plumbing system during the filling operation. After a steady flow of water
Your spa equipment requires a DEDICATED CIRCUIT. No other appliances or lights can be on appears, close the hose bib. After closing the hose bib, remove the garden hose from the
this circuit. Refer to equipment data label for power supply requirements of your spa equipment. hose bib. Be sure to dry off any excess water around the electrical compartment before
Use copper conductors only. Grounding – See National Electric Code Table 250-95 for ground. proceeding to the next step.
• Close all Air Control Valves. Warning – Do not confuse with Water shut-off valves.
• Turn on the breaker at the electrical service panel.
Circuit Breaker and Rating
• On units with a Ground Fault Circuit Interrupter (GFCI), check the GFCI by pressing the
15A 20A 30A 40A 50A 60A 70A 80A
“Test” button on the face of the device. The “Reset” button should pop out. The equipment
Maximum Amps should not operate.
12A 16A 24A 32A 40A 48A 56A 64A • Activate the equipment by pressing the “Reset” button on the GFCI.
Maximum Amps
14 12 10 8 6 4 4 4 You have now completed all of Hydro-Quip’s steps for start up. You are now ready to enjoy your spa.

Four Wire Input • 240-volt / four wire
electrical service including The following is a Test procedure designed to assure the Equipment System will operate properly
ground is required, upon initial start up.
consisting of Line 1
(Black), Line 2 (Red), •
Neutral (White) and
Power Up Apply power to system:
Display shows temperature
Ground (Green). flashing. Press any key to
continue.
Input • A terminal block has been
Terminal Block provided for the input •
power connection. Insure
Pump 1 Key Press the Pump 1 Key:
Pump 1 low speed will
that connections are made activate, Pump1 Icon will
as shown. HYDROQUIP flash on Spa-Side control.
cannot be held responsible • Press Pump 1 Key again:
for mis-wire related Pump 1 high speed will
damage. activate. Pump 1 Icon will
• Prior to operating the spa appear solid.
Equipment System, check • Press Pump 1 Key again:
all circuit board Pump 1 will shut Off.
connections. Verify the
Spaside control (as well as
any other controls) is Pump 2 Key • Press the Pump 2 Key:
properly connected. Verify Pump 2 low speed will
that the Temperature activate, Pump 2 Icon will
sensor, Hi-Limit sensor, flash on Spa-Side control.
Pressure switch and all • Press Pump 2 Key again:
fuses are in place and Pump 2 high speed will
secured properly. activate. Pump 2 Icon will
appear solid.
• Press Pump 2 Key again:
Pump 2 will shut Off.
5 10

HT-2 / 8600 Programming Special Considerations HT-2 / 8600 Installation Special Considerations
• The air blower must be Select the desired location for the Spaside control.
installed to ensure that water
cannot enter the air blower
Spaside Control • Cut out a hole 2 5/8” X 6
motor. This can be
3/8”.
accomplished by installing a
• Clean the area and insert
single or double air loop that
Spaside control and cable.
incorporates a check valve.
• Rotate the spaside locks
inward and install the
spaside control.
HT-2 / 8600 Programming Low Level Programming • With the spaside control
installed, rotate the
It is possible to change the parameters of the Equipment System by completing the following mounting screws clockwise
steps. This is to be accomplished by Hydro-Quip factory or authorized personnel. to engage the locks.
• After Spaside installation is
To access the Low Level Programming, press and hold the Program Key for 20 seconds. After this complete, connect spaside
period you will enter the first Parameter Code of “P1” followed by a value. Use the Light Key to cable to the system circuit
move from one parameter to the next. Use the Up & Down Arrows to change the Value. You must board.
go through all parameters to exit this mode. If you do not want to change a value, press the
Program Key to enter the next Parameter Code.

P1 Pump 1 Value 1 = Single Speed Pump Value 2 = Dual Speed Pump

P2 Pump 2 Value 0 = No Second Pump Value 1 = Single Speed In-House Remote • Select the location in which
Value 2 = Dual Speed to install the control. The
control can be installed up
bL Blower Value 0 = No Blower Value 1 = Single Speed 20 min. timeout to 300 feet away from the
Value 2 = Two Speed 20 min. timeout Value 3 = Three Speed 20 min. Equipment System inside
timeout Value 4 = Single Speed 2 hour timeout Value 5 =Single Speed the home or pool cabin.
6 hour timeout Value 6 = Single Speed 12 hour timeout • Using the back plate as a
template, mark the
L1 Light Value 1 = No Light Value 1 = 12V Light (one intensity) openings with a pencil.
Value 2 = 12V Light (three intensities) Value 3 = 120V Light • Make the rectangular
opening in the wall as large
03 Ozone Value 0 = No Ozonator Value 1 = On during filtration Value 2 = Always as the opening in the back
On plate. For plaster walls, drill
two ¼” holes and insert
AU Fiber Optic Value 0 = No Fiber Optics Value 1 = Fiber Optics Installed plastic anchors for the
mounting screws.
Ti Time Value 12 = Standard Format Value 24 = Military Time (24 hour clock) • Install the back plate onto
the wall and run the
Cu Current Value 0 = Heater Off with high speed pump or blower Value 1 = No connecting cable.
Heater Restriction • Connect the cable, making
sure to follow the color
CP Circ. Pump Value 0 = No Circulation Pump Installed Value 1 = Regulated with spa code, and snap the control
Temperature Value 2 = Always On into place.

r Calibration Value can be adjusted from 46.0 to 55.9

9 6

HT-2 / 8600 Installation Special Considerations HT-2 / 8600 Installation Special Considerations
Auxiliary Control • Drill two 1” (25.4mm) An optional 12V-spa light is available with Hydro-Quip Equipment systems.
diameter holes, 2 5/8”
(66mm) apart. Cut the Spa Light • Select a mounting location
material between the two for the spa light in a flat area
holes. on the spa wall. Make sure
there is no plumbing, wiring or
other obstructions, that will
interfere with the installation
on the outside spa wall.
• Clean the area and insert
• Using a suitable 2 ½ “
auxiliary control panel and
(65mm) diameter hole-saw,
cable. Secure using the
cut the hole in the spa wall.
mounting plate provided. If
Cut from inside the spa wall
utilizing rectangular
toward the outside to prevent
control, peel off protective
splintering the inner surface.
paper and secure to
• Remove any insulation
mounting surface.
material from around the hole
for a distance of ½ “ (13mm)
at the outside spa wall.

• Install the gasket onto the
light body and insert into the
hole. Take care not to over
tighten the nut securing the
light body. Silicone sealant
may be used in place of the
gasket. Allow adequate time
for sealant to cure before
filling the spa.
The Hand Held remote control has an effective range of 15 feet. It must be pointed in the direction
of infrared sensor. It should be installed on the interior wall of the spa above the water level at a • Note: It is recommended
location easily reached by the infrared beam. that the water level be
stopped just above the level
Infrared Sensor • Select a location for the of the spa light until a
sensor and drill a 7/8” thorough inspection for leaks
diameter hole in the edge can be completed.
of the spa above the water
level. Air Blower • CAUTION: The air blower
• Apply silicone around the must be connected ONLY to
hole and insert the sensor the spa’s air distribution
and tighten the nut plumbing. Connecting the air
securely. blower to any air piping
• Wipe off any excess associated with the
silicone. Connect the hydrotherapy jets will create a
infrared cable to the hazard by providing a path for
system board. high-pressure water to be
forced into the blower motor.
This will result in damage to
the air blower and create an
electrical shock hazard.

7 8

85 0067-b5 8600 series installation rev.1

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