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Instruction Manual for Domestic
Solar Water Heating System
Numbers:

SUN HoM DB-8040
SUN HoM DB-8042
SUN HoM DB-8048
SUN HoM DB-8064
SUN HoM DBSA-8040
SUN HoM DBSA-8042
SUN HoM DBSA-8048
SUN HoM DBSA-8064
SUN HoM DBSA-12063
SUN HoM DBSA-12064
SUN HoM DBSA-12072
SUN HoM DBSA-12080

This Manual Contains:

Installation Instructions

Operating Instructions

Maintenance Procedures

Safety Precautions

PLEASE READ THIS ENTIRE MANUAL BEFORE BEGINNING

INSTALLATION OR ATTEMPTING TO OPERATE THIS SYSTEM

All

Safety Precautions

are posted as

WARNINGS

CAUTIONS

in text boxes.

Figure 1. Tank System Assembly, DB type

Figure 2. Tank System Assembly, DBSA type

Содержание DB-8040

Страница 1: ...12063 SUN HoM DBSA 12064 SUN HoM DBSA 12072 SUN HoM DBSA 12080 This Manual Contains Installation Instructions Operating Instructions Maintenance Procedures Safety Precautions PLEASE READ THIS ENTIRE MANUAL BEFORE BEGINNING INSTALLATION OR ATTEMPTING TO OPERATE THIS SYSTEM All Safety Precautions are posted as WARNINGS or CAUTIONS in text boxes Figure 1 Tank System Assembly DB type Figure 2 Tank Sys...

Страница 2: ...ve the heat collection fluid from the heat exchanger to the collector Table 1 shows the flow rate curves for these pumps If the distance from the pump to the top of the collectors is sufficient to keep the flow at or below 4 gpm then no flow control is required If not it may be necessary to install flow metering devices in the collector loop Only a licensed certified contractor should do this This...

Страница 3: ...ons to the solar collector Serious injury and damage can occur DO NOT introduce heat transfer fluids to potable water lines Refer to Figures 1 2 for the following Install the T P relief valve in the 3 4 NPT fitting provided and marked for the purpose on the water heater The outlet of the relief valve should be directed to a suitable open drain so that the discharge water cannot contact live electr...

Страница 4: ... household use If water of different temperature is required set indicator on thermostat to the desired temperature NOTE Households with small children elderly people or invalids may require lower temperature settings to prevent accidental contact with HOT water Adjustments to the temperature setting of the electrical element can be made through the access panel located on the front panel of the w...

Страница 5: ... Drainback tank has been filled Do Not plug in the controller prior to this WATER HEATER TANK SERVICE It is recommended that a few gallons of water be drained from the water heater every two months This will flush lime and sediment deposits from the bottom of the water heater and lengthen the water heater s service To flush the tank 1 first attach a hose to the 3 4 hose connection on the Drain Val...

Страница 6: ...N HōM solar System can be mounted in either a vertical or horizontal orientation on the roof Figure 3 Because the freeze protection method is Drainback it is strongly recommended the collector always be mounted in vertical orientation It is still important to slope the collectors just slightly to allow for complete drainage during off mode The required slope is at least 1 4 vertical rise per foot ...

Страница 7: ...ial series collectors are available upon request The collector must be raised from the roof surface to allow for rainwater and debris to pass under the collectors and for proper ventilation of the roofing material There should be at least 1 1 2 of clearance between the roof surface and the bottom of the solar collectors In selecting mounting hardware and fasteners it is extremely important to avoi...

Страница 8: ...8 8 Fig 6 Fig 8 Fig 7 Fig 9 ...

Страница 9: ...on material is Rubatex Insul Tube 180 or equal Fig 11 To the extent possible slide the insulation material over the pipe without cutting or taping All butt joints must be sealed with contact adhesive The use of rigid polyethylene pipe insulation is prohibited The temperatures generated by your collector in the summer months or under stagna tion conditions can melt this type of material Any above g...

Страница 10: ...or piping is 5 8 OD copper Piping in new solar installations can be covered with dirt grease solder flux or other impurities that over time affect the quality of the distilled water heat transfer fluid HTF A thorough cleaning is required before charging the system Carefully review the cleaning procedures in Charging The System All vertical piping between the storage tank and the collector shall be...

Страница 11: ...o connect the collector sensor to the controller should be a minimum18 AWG The wiring should be bare or tinned copper two conductor PVC insulated with a PVC UV rated gray jacket suitable for exterior use Use Eastman Wire Cable No 5704 Belden Wire and Cable No 8461 or equal The system comes pre wired for the tank sensor Do not attempt to install a tank sensor Interconnect Plumbing Piping to and fro...

Страница 12: ...ollectors can reach temperatures over 3000 F under the right conditions Always be cautious when working around flat plates that are exposed to sun light Water passing through tube incorporated in the plate picks up heat to transfer to the water heater This completes the system installation procedure OPERATING INSTRUCTIONS Refer to Figures 1 and 2 or the system schematics at the end of this manual ...

Страница 13: ...and the collector comparing them to see if the collector is hotter then the tank When the collector reaches a 120 F higher temperature than the water heater tank the controller energizes the pump As stated above the pump will continue to run until the differential temperature the difference between the collector and the tank drops to 40 F When this happens the pump is turned off and the heat trans...

Страница 14: ...r is the recommended fluid Use of potable tap water is prohibited As described earlier propylene glycol can be added at a ratio of 8 1 8 parts water to one part propylene glycol This is not required SERVICE START UP PROCEDURE At this point the water heater tank should already be filled and on line for hot water This includes the electric element connections 1 Fill the Drainback Tank to the level i...

Страница 15: ...hut Down Procedure and drain the HTF Then repeat the Start Up Procedure See also Charging Procedure MAINTENANCE WATER HEATER TANK Once each year it is recommended that the water heater tank be purged To do this follow the steps below 1 Disconnect power to the electric element DO THIS BY THROWING THE CIRCUIT BREAKER 2 Attach a hose to the Drain Valve on the bottom of the water heater tank 3 See Fig...

Страница 16: ...r is too HOT Check high limit setting on solar controller Reduce setting if too high If solar supplied water is at preferred temperature Install optional tempering valve between cold and hot lines on water heater SYMPTOM CHECK REPAIR Check for thermostat failure on electric element If bad replace it NO lights on on controller Check to insure unit is plugged in If plugged in replace unit or call te...

Страница 17: ...t became defective as result of normal use This Limited Warranty does not extend any Warranty written or implied by others with respect to time or limits of coverage This Limited Warranty does not cover valves How To File a Claim A Warranty Card is supplied with the system when it is sold THIS CARD MUST BE FILLED OUT AND RETURNED AT THE TIME OF SALE The Warranty Card has two sections Fill out both...

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