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INDIREC T WATER  HE ATERS 

 

DIVERSIFIED HEAT TRANSFER, INC.

 

LIMITED WARRANTY  FOR DIVERSIFIED  HEAT TRANSFER, INC. TECHTANIUM™  INDIRECT-

FIRED  WATER HEATER

 

Your Techtanium™ indirect-fired water heater is protected  by 

these warranties. These warranties are applicable to 

original 

residential  or commercial purchasers only.

 

THE FOLLOWING  WARRANTIES ARE EXCLUSIVE AND  ARE GIVEN  AND  ACCEPTED  IN  LIEU  OF  ANY  AND  ALL  OTHER  WARRANTIES,  

EXPRESS OR IMPLIED, INCLUDING  WITHOUT  LIMITATION  THE IMPLIED  WARRANTIES OF MERCHANTABILITY  AND  FITNESS FOR A 

PARTICULAR  PURPOSE, AND  ANY  OBLIGATION, LIABILITY,  RIGHT, CLAIM  OR REMEDY IN CONTRACT  OR TORT, WHETHER  OR NOT 

ARISING  FROM  DIVERSIFIED HEAT TRANSFER’S NEGLIGENCE, ACTUAL  OR IMPUTED.

 

THE REMEDIES OF THE 

ORIGINAL  PURCHASER 

SHALL BE LIMITED TO THOSE PROVIDED HEREIN TO THE EXCLUSION OF ANY OTHER 

REMEDIES INCLUDING WITHOUT LIMITATION, SPECIAL, INDIRECT, INCIDENTAL AND/OR  CONSEQUENTIAL DAMAGES INCLUDING, 

BUT NOT LIMITED TO PROPERTY DAMAGE,  LOST PROFIT, OR DAMAGES   ALLEGED  TO HAVE  BEEN CAUSED  BY ANY  FAILURE OF 

DIVERSIFIED HEAT TRANSFER TO MEET ANY  OBLIGATION  UNDER  THIS AGREEMENT INCLUDING  THE OBLIGATION  TO REPAIR AND  

REPLACE SET FORTH  BELOW.

 

NO  AGREEMENT  VARYING OR EXTENDING THE FOREGOING WARRANTIES, REMEDIES, OR THIS LIMITATION  WILL  BE BINDING  UPON 

DIVERSIFIED HEAT TRANSFER UNLESS IN WRITING  AND  SIGNED  BY A DULY  AUTHORIZED  OFFICER OF DIVERSIFIED HEAT 

TRANSFER. DIVERSIFIED HEAT TRANSFER DOES NOT ASSUME OR AUTHORIZE  ANY  OTHER PERSON TO ASSUME  FOR IT ANY  OTHER 

LIABILITY  IN CONNECITON  WITH  THE SALE OF ITS PRODUCTS.

 

THIS WARRANTY  EXTENDS ONLY TO THE FIRST (ORIGINAL)  RETAIL PURCHASER OF THE TANK AND ONLY WHILE THE TANK IS 

OWNED  BY THAT PURCHASER AND REMAINS  AT ITS ORIGINAL  LOCATION. CHANGE IN OWNERSHIP  OR RELOCATION OF THE 

TANK SHALL FOREWITH  TERMINATE  THIS WARRANTY WITHOUT  FURTHER NOTICE.

 

WARRANTY  COVERAGE FOR RESIDENTIAL 

USAGE - 7 YEARS

 

The Warranties listed in this section shall apply to Diversified  Heat Transfer Techtanium™ indirect-fired  water heaters used in a 

residential setting by 

original  purchasers only

. A “residential  setting” as used herein  shall mean  usage either  (a) in a single family 

dwelling in which the original consumer purchaser of the indirect-fired  water heater resides on a permanent  basis or (b) in a 

multiple  family  dwelling  provided  that  such Techtanium  indirect-fired water heater services only one family  unit  in a multiple 

family dwelling; provided that the term “residential setting” shall not include any usage of the Techtanium indirect-fired  water 

heater above 150 degrees Fahrenheit.

 

During the specified warranty period of the indirect-fired  water heater, Diversified  Heat Transfer Inc., will repair or replace, at its 

option, without  charge, any indirect-fired  water heater having a defect or malfunction  that results in a water leak from the outside 

jacket, inner  tank, or heat  exchanger  as a result  of normal use and service. It is expressly agreed between  Diversified  Heat Transfer 

and the original  residential  purchaser that repair or replacement  is the exclusive and sole remedy of the original  purchaser.

 

Any claim under this warranty  must be verified  by an authorized  Diversified Heat Transfer (also referred  to as DHT ) representative: if 

the claim is found to be valid, DHT will  repair  or replace  the  tank  as set forth  herein, within  a reasonable time after verification. If DHT 

chooses in its discretion to repair any indirect-fired  water heater for which there is a valid warranty  claim, DHT shall provide  parts that 

are compatible with the subject indirect-fired water heater, which parts need not be identical to the original. If DHT chooses, in its 

discretion, to replace any indirect-fired  water heater for which there is a valid warranty claim, DHT shall replace the subject indirect-

fired water heater with the same model  or, if such model is not available, with a model which is, in  DHT’s reasonable judgment, the 

nearest compatible  model available at the time of replacement. Removal of the Techtanium water heater and replacement with a

 

If Diversified  Heat Transfer is unable to repair or replace or otherwise comply with its liability  under these warranties, after a 

reasonable number  of attempts, then the original  consumer purchaser’s sole and exclusive remedy for such breach shall be either 

a replacement product  or a full refund of the purchase price (exclusive of freight, labor and installation), as determined by 

Diversified Heat Transfer.

 

If the original  purchaser cannot  provide  proof  of purchase than DHT may request proof  of residency dating  back to the date of 

manufacture of the tank. In such case the warranty  period  will  begin  from  the date of manufacture  as determined  by the tank serial 

number.

 

WARRANTY  COVERAGE FOR COMMERCIAL 

USAGE - (THREE YEARS)

 

 VII Warranty 

18

different brand will fully invalidate this warranty coverage.

Summary of Contents for MP 20

Page 1: ...intenance can cause injury or property damage Refer to this manual For assistance or addi onal informa on consult a quali ed Installer or Service Agency Do not store or use gasoline or other amma ble vapors and liquids in the vicinity of this or any other appliance Installa on and service must be performed by a quali ed Installer or Service Agency WARNING FOR YOUR SAFETY INDIRECT WATER HEATERS Ins...

Page 2: ...table piping shall connect the drain pan to a properly operating floor drain Relief Valve Requirements Caution To reduce the risk of excessive pressures and temperatures in this water heater install temperature and pressure protective equipment required by local codes It should be no less than a combination tempera ture and pressure relief valve certified by a nationally recognized testing laborat...

Page 3: ...wers require large quantities of hot water in a short period of time Contact fixture manufacturer for quantity of water required Generally speaking these circumstances can only be met with larger storage volumes c Domestic Water Temperature Most residential usage will be satisfied with 119ºF water the temperature setting recommended by the Consumer Product Safety Commission Some applications s uc ...

Page 4: ...4 22 4 22 4 B 31 1 39 47 9 56 C 27 6 36 44 4 53 2 Boiler Supply Boiler Return Drain Thermometer Cold Water Inlet Hot Water Outlet T P Relief Valve Drain Valve Boiler Supply Boiler Return Front of Tank Tank Thermostat located under cover Dimensions A B C 4 ...

Page 5: ...t 5 GPM 8 GPM 12 GPM MP 20 1 2 2 9 6 2 hd MP 32 1 6 3 8 8 0 hd MP 40 1 6 3 6 7 6 hd MP 50 1 8 4 2 8 8 hd Pressure Drop Graph 2 0 4 0 6 0 8 0 10 0 5 GPM 8 GPM 12 GPM Primary Flow Rate Head Loss FT HD PressureDrop Graph MP 20 MP 32 MP 40 MP 50 5 50 32 40 20 ...

Page 6: ...134 95 156 111 140 000 134 95 156 111 165 000 168 119 195 000 Performance Data MP 32 Con nuous Draw Ra ngs Based Upon Boiler s Ability to Maintain 180º F Model MP 32 Circulator Flow GPM 5 5 8 8 12 12 DHW Temperature 120ºF 140ºF 120ºF 140ºF 120ºF 140ºF Boiler Hea ng Capacity in Btu Hr Output 45 000 106 78 106 78 60 000 134 97 134 97 75 000 162 116 162 116 95 000 168 120 188 134 198 141 115 000 168 ...

Page 7: ...24 192 138 223 159 140 000 192 138 223 159 165 000 240 171 195 000 Performance Data MP 50 Con nuous Draw Ra ngs Based Upon Boiler s Ability to Maintain 180º F Model MP 50 Circulator Flow GPM 5 5 8 8 12 12 DHW Temperature 120ºF 140ºF 120ºF 140ºF 120ºF 140ºF Boiler Hea ng Capacity in Btu Hr Output 45 000 117 91 117 91 60 000 142 108 142 108 75 000 167 125 167 125 95 000 201 148 201 148 201 161 115 0...

Page 8: ... water leakage The floor or area where the tank is installed must be capable of suppor ng the tank when filled with water Refer to the Specifica ons Table on the page 3 FOR YOUR SAFETY Do not store or use gasoline or other flammable vapors or liquids in the vicinity of this or any other appliance Controls on this appliance could ignite vapors causing an explosion IV Installation Piping General a A...

Page 9: ...changer Pressure Drop hd Domes c Water Connec on Sizes MP 20 5 GPM 1 2 3 4 MP 32 8 GPM 3 8 3 4 MP 40 12 GPM 7 6 3 4 MP 50 12 GPM 8 8 3 4 Tubing Type Flow Rate 10 GPM Flow Rate 15 GPM Type K 3 1 psi 6 5 PSI Type L 2 7 psi 5 7 psi Type M 2 3 psi 4 7 psi Fi ng Wrought Cast 90º Elbow 1 4 45º Elbow 1 2 Tee Run 1 2 1 2 Tee Branch 3 5 Long radius 90º Elbow 2 180º Bend 2 Gate Valve 1 ...

Page 10: ...n the tank and the back ow device see piping diagram Refer to Thermal Expansion Tank manufacturer s lit erature for sizing and installa on informa on E Vacuum Breaker DHT recommends that a vacuum breaker be installed on the domes c piping to the heater The vacuum breaker protects the heater in the event that the tank pressure falls below atmos pheric pressure F Temperature Pressure Relief Valve T ...

Page 11: ... or its own circulator The heater temperature is maintained by the use of an immersion type aq uastat The aquastat is installed into the im mersion well on the heater The aquastat operates in much the same way as a thermostat When the temperature falls inside the tank the set of contacts make close and when the temperature rises the contacts break open The aquastat should be ed into the boiler sys...

Page 12: ...ntrols The con tacts open break on temperature rise when the tank reaches the set temperature Connect system wires to wiring block located under cover Auxiliary contacts Terminals C 1 purple brown for solar hea ng or other applica ons are normally closed and open break on temperature decrease This opera on is opposite most water heaters and should only be used for auxiliary equipment Set the tempe...

Page 13: ... all other zones will stop opera on un l zone 6 is sa s ed When Zone 6 is not switched to priority all zones will operate independently Jumper Placement REMOVE the jumper between terminals ZC and ZR Connect termi nal ZC to ZC terminal on the aquastat control Connect terminal ZR to ZR terminal on the aquastat control Con rm polarity is con sistent between the boiler aquastat and the switching relay...

Page 14: ...ed to the priority se ng and is ac vat ed all other zones will stop opera on un l zone 6 is sa s ed When Zone 6 is not switched to priority all zones will operate independently Jumper Placement The jumper should be placed between terminals ZC and ZR Con nect the isolated end switch to the aquastat on the boiler Power input Connect 120 volt as power input to terminals N and H Neutral wire to termin...

Page 15: ...Wiring Diagrams 15 ...

Page 16: ...Wiring Diagrams 16 ...

Page 17: ...t water taps 4 A ach a hose to the drain valve located at the bo om of the heater and allow the heater to drain 5 Unscrew the anodes EXAMINE THE ANODES AND REPLACE IF THEY SHOW SIGNS OF DETERIORATION 6 Replacement of the Anodes The use or P T F E tape is recommended to ensure water ght connec on of the anodes Failure to inspect the anodes may result in premature failure of the heater and could voi...

Page 18: ...ium indirect fired water heater services only one family unit in a multiple family dwelling provided that the term residential setting shall not include any usage of the Techtanium indirect fired water heater above 150 degrees Fahrenheit During the specified warranty period of the indirect fired water heater Diversified Heat Transfer Inc will repair or replace at its option without charge any indi...

Page 19: ...da 12 Service calls not involving any malfunction or defects and maintenance in the ordinary course 13 Components of an indirect fired water heater which are not manufactured expressly for Diversified Heat Transfer such components are subject only to those warranties if any given by their manufacturers Diversified Heat Transfer does not adopt and has no responsibility for those warranties 14 Any T...

Page 20: ... to the model and dimensions in the diagrams below When fastening the brackets to the wall make sure to use appropriate fasteners capable of suppor ng the full tank weight as speci ed below Please note that the tank may only be installed in the upright ver cal posi on Follow the piping and wiring instruc ons found in the installa on manual Optional Wall Mount Installation Instructions Models MP 20...

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