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WATER TREATMENT INSTRUCTIONS

NORDIC HOT TUBS     |     OWNER’S MANUAL     |     

23

WATER QUALITY

As the owner of a Nordic Hot Tub it is important to maintain 

proper water quality to keep your hot tub and equipment 

in excellent condition. Please consult your Spa and Pool 

Professional on how to maintain proper water quality. If your 

spa is equipped with an Ozone Generator, it will produce 

ozone only when the hot tub is running on low speed or 

during a filter cycle (2-pump systems). It cannot be used as 

the sole means to maintaining safe spa water- you will need 

to use sanitizers to keep your water sparkling and clean.
 

 

OZONATOR

Some models include an ozonator.  Ozone reduces the 

required amount of sanitation chemicals required to keep 

your water clean, but it does not completely eliminate it. 

Any time pump 1 is running, ozone is being generated 

and injected into your hot tub via a small jet located in the 

footwell. The 2-pump systems only turn the ozonator on 

when it is running in a filter cycle.
 

 

SANITATION

Sanitizers are intended to kill bacteria and keep water 

clean. Nordic recommends Dichlor Granular Chlorine as 

a sanitizer. You will need to decide which brand sanitizer 

you wish to use. Please consult with your spa retailer for 

what is available and its proper use. They will have the best 

understanding of what is required to keep the water in your 

area balanced.   
 

 

WARNINGS: 

•  The improper use of any sanitizing system including 

Dichlor Granular Chlorine could negate our warranty. 

WHY?

o  Undissolved granules left on the shell surface can 

discolor, chemically burn, and blister the shell surface. 

This includes areas of the shell above the water line.

o  Slowly sprinkle the correctly measured granular 

products into the water. Directly over the filter basket 

or floating weir is an ideal location. For the Bella, slowly 

pour the granules near the side-mounted skimmer face.

•  WARNING:  Do not confuse the term “Dichlor” with 

“Trichlor”- they are not the same. Trichlor is very 

acidic and will damage several components of your 

new hot tub.

•  The use of a floater can potentially damage the shell of 

your hot tub and is not covered under warranty.  Why?
o  Floating dispensers have a tendency to end up staying 

in 1 spot (near the filter). This causes the chemicals to 

disperse very quickly and it will be hard to manage the 

proper levels. Once the chemicals are gone, algae and 

bacteria can grow quickly.

o  The increased chemicals getting continually drawn into 

the filter can stain or fade the shell. This is not covered 

under warranty.

o  Floaters are typically loaded with larger tablets or bars. 

Small pieces of the chemicals (larger than granular 

products) can break off and settle on the seats and floors. 

Those can chemically burn, stain, or blister the surface.

•  Nordic does not recommend the use of any Bromine 

product. Why?

o  Bromine can fade or discolor your shell surface.  This is 

not covered under warranty

o  Bromine off-gassing combined with ozone can be 

dangerous in higher concentrations

•  Do not use pool chemicals including muriatic acid or 

household bleach (liquid sodium hypochlorite)

•  Do not use tablets or sticks.  Only use granular products. 
•  Do not use polyhexamethylene biguanide products 

(hydrogen peroxide)

•  Failure to maintain proper chemical balance (pH, 

Alkalinity, and Hardness) could also negate your warranty. 

•  The use of Salt Systems will void the warranty.
Remember: Your Nordic dealer is a trained chemical 

specialist and can assist you with your questions and water 

analysis if requested.
 

 

ADDING CHEMICALS

1. Lift the cover and fold it back and out of the way.
2. Turn the pumps on high speed.
3. Slowly sprinkle the correctly measured granular products 

into the water. Directly over the filter basket or floating 

weir is an ideal location. For the Bella, slowly pour the 

granules near the side-mounted skimmer face.

4. Let the spa run until it reaches the time-out time (ap-

proximately 15 minutes) at which point it will drop to low 

speed.  Let it run on low speed for an additional 15-20 

minutes before reinstalling the cover to allow all of the 

off-gassing to finish. 

  Note: Chemical off-gassing can damage your cover and 

void its warranty.

5. Reinstall the cover and latch or lock it.
Note: Chemical off-gassing can damage your cover and 

void its warranty.

Summary of Contents for Nordic Hot Tubs IMPULSE

Page 1: ...als including propylene oxide which is known to the State of California to cause cancer and birth defects or other reproductive harm For more information go to www P65Warnings ca gov 113579 Conforms t...

Page 2: ...sting and quality control is the lifeblood of our company Along with the craftsmanship our team goes to extreme measures to only select the finest components from industry leading vendors who believe...

Page 3: ...s 17 Operating the rest of the Hot Tub 18 Troubleshooting 22 Water Treatment Instructions 23 Understanding Hot Water Chemistry 24 Common Water Q A 26 Periodic Cleaning and Care 27 Winterizing Your Hot...

Page 4: ...ater temperatures have a high potential for causing fetal damage during the early months of pregnancy pregnant or possibly pregnant women should limit spa water temperatures to 38 C 100 F Before enter...

Page 5: ...ce personnel This unit should be subjected to periodic routine maintenance for example once every 3 months to make sure that the unit is operating properly WARNING When using this electrical equipment...

Page 6: ...w melt is directed away from the base of your new hot tub External water damage from flooding may damage the electronics and pump which will void your warranty 4 ACCESS if you have decided to drop you...

Page 7: ...the center of the access panel and 6 from the edge of the cabinet Access Panel 84 Diameter NORDIC HOT TUBS OWNER S MANUAL 7 WIRING LOCATIONS Some installations work best to drill a hole in the side p...

Page 8: ...12 24 8 10 24 28 4 6 A good location for the wire to enter through the bottom is 4 6 from the left side and 24 28 from the front A good location for the wire to enter through the bottom is 8 10 from t...

Page 9: ...dius 96 84 75 16 Access Panel 6 8 A good location for the wire to enter through the bottom is 16 from the left side and 6 8 from the front 10 radius 62 75 84 75 Access Panel 12 12 20 6 Clear area for...

Page 10: ...T BE COPPER and properly insulated A suitable ground fault circuit interrupter GFCI as required by the local building and electrical inspection authority must be included in the electrical circuit sup...

Page 11: ...ORDIC HOT TUBS OWNER S MANUAL 11 240V WIRING SCHEMATIC IMPORTANT Copper wires must be stripped back 3 4 for terminal block inside hot tub control box Failure to do so may result in poor connection 3 4...

Page 12: ...r following the steps below Electrical installation should be performed by a qualified licensed electrician Warning Make sure that cord is unplugged from the wall socket prior to proceeding with the f...

Page 13: ...r the filter skimmer Note CITY OR WELL WATER IS PREFERRED DO NOT USE WATER THROUGH A WATER SOFTENER If your hot tub has a floating weir pull the weir straight up and then rotate the filter counter clo...

Page 14: ...the top side control A second press push will put the pump on high speed Repeat this process until water flows from the jets When the jets are working set the pump to low speed 8 Add chemicals to your...

Page 15: ...l will adjust the set temperature After three seconds the display will stop flashing and begin to display the current spa temperature JETS Press Jets to turn the pump on or off and to shift between lo...

Page 16: ...er 15 minutes Low speed may run automatically at times during which it cannot be deactivated from the panel but high speed may be operated JETS 2 Press Jet 2 to turn pump 2 on and off This pump will t...

Page 17: ...ng with spa temperature it may just be a temporary condition If flashing by itself spa is shut down If the problem persists contact your dealer or service organization A significant difference between...

Page 18: ...l needs 2 WAY DIVERTER With a 2 way diverter the whirlpool jet will either be on or off If the whirlpool jet is on the flow to the wall jets will be off and all the water will flow out of the whirlpoo...

Page 19: ...and control certain seats The top diverter has 4 positions 1 Only the Whirlpool Jet On 2 Only Seat 1 On 3 Only Seat 4 and 5 On 4 Seats 1 4 and 5 On The Bottom Diverter has 3 positions 1 Only the Whir...

Page 20: ...r replacement by turning them fully counter clockwise till you feel the stop and then continue an additional 1 16th turn to force it past the stopping point Now the jet insert should be able to be pul...

Page 21: ...rmance of equipment supplied with this hot tub The manufacturer recommends cleaning your filters with high pressure water flow once a week It is recommended filters be soaked in a quality filter clean...

Page 22: ...t area Check drain cap pump and heater unions pump plug Only a portion of the jets work Check that jets are open rotate Whirlpool Diverter jet Note If problems persist after performing the suggested s...

Page 23: ...tub The use of a floater can potentially damage the shell of your hot tub and is not covered under warranty Why o Floating dispensers have a tendency to end up staying in 1 spot near the filter This c...

Page 24: ...s vary between 6 6 and 8 2 with between 7 2 and 7 8 being ideal NOTE After adding pH up or pH down it is important to wait at least 2 hours before re testing the water STEP 3 CALCIUM HARNESS CH Calciu...

Page 25: ...ntrol instructions earlier in this manual for further instructions on setting the filter cycles Additional Note Your dealer or authorized service representative will be your best resource for water ch...

Page 26: ...e Low calcium hardness Inadequate oxidation Addition of incompatible chemicals Buildup of body oils and or contaminants Add an anti foam agent Add shock Adjust chlorine level Test pH adjust if necessa...

Page 27: ...spray pool and spa cleaner that is low in suds and is applied then wiped off will most of the time be sufficient With stubborn stains or marks a soft scrub cleaner with very low abrasion elements wil...

Page 28: ...a small amount of NON TOXIC antifreeze into each jet Usually the side jets will take around one ounce and the whirlpool jet s will take several ounces about 5 squirts per whirlpool jet DO NOT FORGET...

Page 29: ...rand Rapids MI 49512 5337 Model Shell Color Delivery Date Serial Number Located in the equipment compartment and outside warning label OWNER INFORMATION Name Address City State Province Zip Code Count...

Page 30: ...uipment and or battery by handling it over to the applicable take back scheme for the recycling of electrical and electronic equipment and or battery For more information about recycling of this equip...

Page 31: ...t 30 40 amps Luxury Series 220Volt 42 50 amps 15 or 20 amp when converted for 110 volt use 15 amp when 1 0HP pump installed 20 amp when 1 5HP pump installed Model Measurements Operating Capacity US Ga...

Page 32: ...nordichottubs com...

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