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Warranty Information

Thank you for choosing the Ceiling Mount Air 

Handler by Surna.  Because your air handler is 

built with leading technologies and the highest 

quality components, with proper care and 

maintenance, it will provide you with years of 

worry free service.  Please examine the unit upon 

arrival to be sure there is no damage as a result 

of shipping.  If shipping damage has occurred, 

please note the damage on the receiving slip, 

and contact Surna immediately.

If you are missing parts or believe that you have 

a warranty issue, DO NOT return this item to the 

store of purchase.  You must contact Surna at 

303-993-5271 for troubleshooting and service 

instructions.  

Limited Warranty

A 90-day all-inclusive warranty for: parts, labor, 

and shipping.  Choice of repair facility and 

technician is at the discretion of Surna.

A 1-year warranty on any defective part is also 

provided.  Choice of repair facility and 

technician is at the discretion of the air handler 

owner, although Surna is happy to assist with 

locating a technician.  If Surna chooses the 

technician, limited labor coverage may apply.  

Note: Extended warranty for parts, labor and 

shipping are available for purchase for a 

nominal fee.  Contact Surna within 15 days of 

your air handler’s arrival if you would like to pur-

chase an extended warranty.  

Product Suitability

Many jurisdictions have codes and regulations 

governing sales, construction, installation, 

and/or use of products for certain purposes, 

which may vary from those in neighboring areas.  

While Surna attempts to ensure that its products 

comply with such codes, it cannot guarantee 

compliance, and cannot be responsible for how 

the product is installed or used.  Before purchase 

and use of a product, review the product 

applications, and all applicable national and 

local codes and be sure that the product, 

installation and use will comply with them.

Service Under Warranty

This product is warranted by Surna against 

defects due to fault in workmanship or materials.

If the product has been damaged under 

normal use, it will be entitled to warranty service 

of the type described and within the timeframes 

outlined.  Damage caused by abnormal use, or 

after the timeframes outlined have expired, carry 

no such guarantee.  Service under warranty is 

provided only upon presentation of reasonable 

evidence (purchase receipt) that the date of 

claim is within the warranty period.

Service NOT 

Under Warranty

The warranty is not valid if the defect is due to 

accidental damage, misuse, shipping damage, 

neglect, or in the case of alterations or repair 

carried out by unauthorized persons.  Surna can, 

at its discretion, assist the consumer with shipping 

claims in the case of damage incurred during 

shipping, so long as the customer follows the 

instructions outlined above.

Warranty Disclaimer

Surna provides product information in this 

literature for the sole purpose of identification, 

and does not state or imply that the products are 

merchantable, or fit for a particular purpose, or 

that the products will conform to the descriptions.    

Limitation of Liability

To the extent allowable under applicable law, 

Surna’s liability for consequential and incidental 

damages is expressly disclaimed.  Surna’s liability 

in all events is limited to and shall not exceed the 

cost of repair.  Shipping damage is not covered 

under warranty.  In the event that the item(s) 

arrive with shipping damage, Surna will assist with 

the repair or replacement of the damaged item 

ONLY if the damage is noted on the delivery 

receipt.    

Summary of Contents for Surna IsoStream SCMAHV-42

Page 1: ...Surna IsoStreamTM Air Handler Operating Maintenance Manual www surna com 303 993 5271 Models SCMAHV 42 Revised September 2015 ...

Page 2: ......

Page 3: ...mer 4 Product Suitability 4 Service Under Warranty 4 Service NOT Under Warranty 4 Parts List 5 Routine Maintenance 5 Warnings 6 Safety Symbols 6 Air Handler Safety Guide 6 Installation Instructions 8 Mechanical 8 Electrical 8 Wiring 9 Plumbing 10 Plumbing Tips 11 System Specifications 12 Wiring Diagram 14 ...

Page 4: ... product is installed or used Before purchase and use of a product review the product applications and all applicable national and local codes and be sure that the product installation and use will comply with them Service Under Warranty This product is warranted by Surna against defects due to fault in workmanship or materials If the product has been damaged under normal use it will be entitled t...

Page 5: ... provide many years of dependable trouble free comfort when properly maintained Proper maintenance will consist of routine heat exchanger cleanings biannual check ups that include but are not limited to heat exchanger inspections electric heater inspections cleaning of the internal electrical and heat transfer components by a qualified service technician Failure to provide periodic check ups and c...

Page 6: ...ure wire and cable routing to protect personnel from shock hazards Only operate the equipment with an appropriately sized breaker in place and wire sizes with adequate current carrying capacity Consult with an electrician before attempting electrical installation Using Surna Air Handler equipment in a manner not described in this manual may void its warranty and any safeties provided herein Follow...

Page 7: ...rotective earthing system prior to operation DO NOT remove the grounded connection while power is being supplied to the Surna air handling equipment Doing so presents an electric shock hazard to users and service personnel Care must be taken to ensure the structural integrity of the supporting members when mounting these devices Verify that the load bearing capacity of any mounting surface is rate...

Page 8: ...cing of the unit Ensure that a minimum of 24 of clearance be provided around all lateral edges of the air handler unit and that adequate space is available to facilitate servicing of the electrical box coil connections and condensate drain A dust shroom dust cover was provided with your air handler unit To install the equipment should be de energized at the breaker or main disconnect Attach the du...

Page 9: ...lation Connections connections could cause damage to the equipment or servicing personnel When installing the power wiring verify that the line conductor is connected to the terminal marked L and the Neutral conductor is connected to the terminal marked N A thermostat was provided installed on your unit If you elect to use an alternate thermostat or control device you can remove the pre installed ...

Page 10: ...e supplied to each air handler is 2 5 gallons per minute per ton of air handler capacity The unit will operate most efficiently with higher flow rates while low flow rates will not provide enough cooling for the unit to perform optimally The air handler s condensate drain has a built in slope for proper drainage It is important to verify that the air handler mounting surface is level so that the e...

Page 11: ...r requires 12 5 GPM to operate efficiently A higher flow rate in this range will increase the cooling efficiency of the unit Important Plumbing Tips 8 The air handler water inlet and outlets are NPT 9 The air handler is marked with IN and OUT water connections for proper direction of flow The unit will not operate properly if these connections are reversed 11 Propylene Glycol should be utilized at...

Page 12: ...12 System Specifications Dimensional and Electrical Data Elevation and Glycol Derating ...

Page 13: ...13 Cooling Data ...

Page 14: ... 1 TB1 Low Voltage Terminal Block L1 Phase Conductor Connection L2 Neutral Conductor Connection GND Ground Connection Primary Circuit Conductors Class 2 Secondary Circuit Conductors Thermostat Switch Connections 120 VAC T1 24 VAC FM L1 L2 GND BLK WHT BLK WHT RD GRN GRN C1 SO1 TB1 Use Only Copper Supply Wires ...

Page 15: ...15 ...

Page 16: ...303 993 5271 info surna com surna com 1780 55th Street Suite A Boulder CO 80301 ...

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