Univex 318258-000 Manual Do Utilizador

10

Centrally located with the water piping system.

 

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The fl ooring beneath the water heater must be able to 

 

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support the weight of the water heater when fi lled with 
water (967 lbs. full).

Located indoors (such as a basement or garage) 

 

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and in a vertical position. Sheltered from freezing 
temperatures.
Provisions made to shelter the area from water    

 

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damage. Metal drain pan installed and piped to an 
adequate drain.
Sufficient room to service the water heater.

 

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Sufficient air for the heat pump to function. 

 

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The water 

heater must be located in a space 750 cubic feet or 
larger, and must have unrestricted airfl ow.  As an 
example, a room that has an 8 foot tall ceiling and is 
10 feet long by 9-1/2 feet wide would contain 760 cubic 
feet. 

 

 For optimal effi ciency and serviceability, the 

following clearances should be maintained: 3 feet on 
the air inlet side, 5 feet on the air outlet side, 6 inches in 
the back, and 2 feet in the front.

 

The unit cannot be placed into any type of closet or 

 

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small enclosure.
The site location must be free from any corrosive 

 

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elements in the atmosphere such as sulfur, fl uorine, 
and chlorine. These elements are found in aerosol 
sprays, detergents, bleaches, cleaning solvents, air 
fresheners, paint, and varnish removers, refrigerants, 
and many other commercial and household products. 
In addition excessive dust and lint may affect the 
operation of the unit and require more frequent 
cleaning (See “Cleaning the Heat Pump” section).
Ambient air temperature must be above 45°F and 

 

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below 109°F. If the ambient air temperature falls 
outside these upper and lower limits the electrical 
elements will activate to meet the hot water demand.

Temperature and pressure relief valve properly    

 

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installed with a discharge pipe run to an adequate drain  
and sheltered from freezing (See Figure 5).
All piping properly installed and free of leaks.

 

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Heater completely filled with water (See “Water Piping 

 

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System” section).
Closed system pressure buildup precautions installed 

 

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(See “Closed System/Thermal Expansion” section).
Mixing valve (when applicable) installed per 

 

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manufacturer’s instructions (See “Water Temperature 
Regulation” section).

Must be located with access to an adequate drain or 

 

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condensate pump.
Condensate drain lines installed and piped to an 

 

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adequate drain or condensate pump (See Figure 4).

The water heater requires 240 VAC for proper 

 

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operation.
Wiring size and connections comply with all applicable  

 

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codes or in the absence of local or state codes follow 
NFPA-70, the National Electrical Code-current edition.
Water heater and electrical supply are properly    

 

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grounded.
Wiring enclosed in approved conduit (if required by 

 

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local codes).

Proper overload fuse or circuit breaker protection 

 

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installed.

Understand how to use the User Interface Module to 

 

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set the various modes and functions (See “Adjusting 
the User Interface Module/Operating Modes” section). 
Hybrid Mode is the recommended Operating Mode. 

 

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Understand the various Operating Modes and which 
mode may be best based on season, ambient 
temperature, and usage (See “Operating Mode 
Description” section). 
NOTE:

 It may be necessary to temporarily change 

modes if for example filling a spa or hot tub.
Understand the importance of routine inspection/

 

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maintenance of the condensate drain pan and lines 
(See “

Inspection/Cleaning of the Condensate Drain 

Pan & Condensate Drain Lines” section)

.  This is to 

help prevent any possible drain line blockage resulting 
in the condensate drain pan overflowing. 
IMPORTANT:

 Water coming from the plastic shroud is 

an indicator that both condensation drain lines may be 
blocked. Immediate action is required.
To maintain optimal operation check, remove and clean 

 

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the air filter (See “Air Filter Cleaning/Replacement” 
section).
The Installation Instructions and Use & Care Guide 

 

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should be kept with the water heater for reference.