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Techtanium MP 20, Installation And Operation Instructions Manual

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Techtanium MP 20 Installation And Operation Instructions Manual Download Page 10

 

 

IV   Installation/Piping 

(cont’d) 

A

B

C

D

E

F

G

H

 

Legend

 

 

A

  

Ball

 

Valve—Typical

 

 

B

  

Dielectric

 

Union—Suggested

 

 

C

   

Temperature

 

&

 

Pressure

 

Relief

 

Valve

 

 

D

 

Heat

 

Trap

 

Loop—Suggested

 

 

E

  

Thermosta

�

c

 

Mixing

 

Valve

 

–Suggested

 

 

F

  

High

 

Temperature

 

Outlet

 

 

G

  

Mixed

 

Temperature

 

Outlet

 

 

H

  

Expansion

 

Tank

 

in

 

Cold

 

Water

 

Supply

  

 

 

Note: For drawing clarity, addi

Ɵ

onal  

isola

Ɵ

on valves and other accessories have 

been omi

Ʃ

ed.  Follow normal piping  

prac

Ɵ

ces when installing tank. 

 

Domes

�

c

 

Water:

 

 

A.

 

Install

 

isola

�

on

 

valve

 

between

 

the

 

water

 

supply

 

and

 

the

 

cold

 

water

 

inlet

 

of

 

the

 

tank

 

for

 

ease

 

of

 

service.

 

B.

 

Installing

 

a

 

heat

 

trap

 

in

 

the

 

domes

�

c

 

hot

 

water

 

outlet

 

piping

 

will

 

improve

 

energy

 

e

ffi

ciency

 

and

 

reduce

 

pip

‐

ing

 

heat

 

loss.

 

C.

 

A

 

Thermosta

�

c

 

Mixing

 

Valve

 

is

 

recommended

 

and

 

may

 

be

 

required

 

by

 

local

 

codes.

 

The

 

valve

 

will

 

blend

 

the

 

tank

 

output

 

water

 

with

 

cold

 

water

 

to

 

achieve

 

a

 

more

 

constant

 

mixed

 

temperature.

 

The

 

risk

 

of

 

scald

‐

ing

 

is

 

not

 

eliminated

 

by

 

use

 

of

 

a

 

mixing

 

valve.

  

Refer

 

to

 

the

 

installa

�

on

 

instruc

�

ons

 

provide

 

by

 

the

 

mixing

 

valve

 

manufacturer

 

for

 

proper

 

installa

�

on.

 

D.

 

Expansion

 

Tank:

 

When

 

a

 

back

‐

ow

 

device

 

or

 

“no

‐

return”

 

valve

 

is

 

installed

 

in

 

the

 

piping

 

system

 

a

 

Ther

‐

mal

 

Expansion

 

Tank

 

designed

 

for

 

use

 

in

 

a

 

domes

�

c

 

hot

 

water

 

system

 

will

 

be

 

required.

  

Install

 

the

 

tank

 

in

 

the

 

cold

 

water

 

piping

 

close

 

to

 

the

 

tank

 

between

 

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&P)

 

Install

 

a

 

T&P

 

relief

 

valve

 

(long

 

element

 

type)

 

into

 

the

 

separate

 

tapping

 

designated

 

for

 

the

 

T&P

 

valve.

  

Install

 

temper

‐

ature

 

and

 

pressure

 

protec

�

ve

 

equipment

 

required

 

by

 

local

 

codes,

 

but

 

no

 

less

 

than

 

a

 

combina

�

on

 

tempera

‐

ture

 

and

 

pressure

 

relief

 

valve

 

cer

�

ed

 

as

 

mee

�

ng

 

the

 

requirements

 

for

 

relief

 

Valve

 

and

 

Automa

�

c

 

Shuto

ff 

Devices

 

for

 

Hot

 

Water

 

systems,

 

ANSI

 

Z21.22,

 

by

 

a

 

na

�

onally

 

recognized

 

tes

�

ng

  

laboratory

 

that

 

main

‐

tains

 

periodic

 

inspec

�

on

 

of

 

listed

 

equipment

 

or

 

mate

‐

rials.

 

The

 

valve

 

must

 

be

 

oriented,

 

provided

 

with

 

tub

‐

ing

 

or

 

otherwise

 

installed

 

so

 

that

 

discharge

 

can

 

exit

 

only

 

within

 

six

 

(6)

 

inches

 

above,

 

or

 

at

 

any

 

distance

 

below,

 

the

 

structural

 

oor,

 

and

 

cannot

 

contact

  

any

 

electrical

 

part.

  

The

 

valve

 

must

 

be

 

piped

 

to

 

an

 

area

 

where

 

discharge

 

will

 

not

 

cause

 

personal

 

injury

 

or

 

damage

 

the

 

surrounding

 

area.

 

 

WARNING 

Install a T&P relief valve with a rated capacity equal 

or greater that the output of the energy source. 

Removal of the T&P Valve or failure to replace the 

valve will release the manufacturer from any claim 

which might result from excessive  

temperatures and pressures  

10

 

 

 

IV   Installation/Piping 

(cont’d) 

A

B

C

D

E

F

G

H

 

Legend

 

 

A

  

Ball

 

Valve—Typical

 

 

B

  

Dielectric

 

Union—Suggested

 

 

C

   

Temperature

 

&

 

Pressure

 

Relief

 

Valve

 

 

D

 

Heat

 

Trap

 

Loop—Suggested

 

 

E

  

Thermosta

�

c

 

Mixing

 

Valve

 

–Suggested

 

 

F

  

High

 

Temperature

 

Outlet

 

 

G

  

Mixed

 

Temperature

 

Outlet

 

 

H

  

Expansion

 

Tank

 

in

 

Cold

 

Water

 

Supply

  

 

 

Note: For drawing clarity, addi

Ɵ

onal  

isola

Ɵ

on valves and other accessories have 

been omi

Ʃ

ed.  Follow normal piping  

prac

Ɵ

ces when installing tank. 

 

Domes

�

c

 

Water:

 

 

A.

 

Install

 

isola

�

on

 

valve

 

between

 

the

 

water

 

supply

 

and

 

the

 

cold

 

water

 

inlet

 

of

 

the

 

tank

 

for

 

ease

 

of

 

service.

 

B.

 

Installing

 

a

 

heat

 

trap

 

in

 

the

 

domes

�

c

 

hot

 

water

 

outlet

 

piping

 

will

 

improve

 

energy

 

e

ffi

ciency

 

and

 

reduce

 

pip

‐

ing

 

heat

 

loss.

 

C.

 

A

 

Thermosta

�

c

 

Mixing

 

Valve

 

is

 

recommended

 

and

 

may

 

be

 

required

 

by

 

local

 

codes.

 

The

 

valve

 

will

 

blend

 

the

 

tank

 

output

 

water

 

with

 

cold

 

water

 

to

 

achieve

 

a

 

more

 

constant

 

mixed

 

temperature.

 

The

 

risk

 

of

 

scald

‐

ing

 

is

 

not

 

eliminated

 

by

 

use

 

of

 

a

 

mixing

 

valve.

  

Refer

 

to

 

the

 

installa

�

on

 

instruc

�

ons

 

provide

 

by

 

the

 

mixing

 

valve

 

manufacturer

 

for

 

proper

 

installa

�

on.

 

D.

 

Expansion

 

Tank:

 

When

 

a

 

back

‐

ow

 

device

 

or

 

“no

‐

return”

 

valve

 

is

 

installed

 

in

 

the

 

piping

 

system

 

a

 

Ther

‐

mal

 

Expansion

 

Tank

 

designed

 

for

 

use

 

in

 

a

 

domes

�

c

 

hot

 

water

 

system

 

will

 

be

 

required.

  

Install

 

the

 

tank

 

in

 

the

 

cold

 

water

 

piping

 

close

 

to

 

the

 

tank

 

between

 

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&P)

 

Install

 

a

 

T&P

 

relief

 

valve

 

(long

 

element

 

type)

 

into

 

the

 

separate

 

tapping

 

designated

 

for

 

the

 

T&P

 

valve.

  

Install

 

temper

‐

ature

 

and

 

pressure

 

protec

�

ve

 

equipment

 

required

 

by

 

local

 

codes,

 

but

 

no

 

less

 

than

 

a

 

combina

�

on

 

tempera

‐

ture

 

and

 

pressure

 

relief

 

valve

 

cer

�

ed

 

as

 

mee

�

ng

 

the

 

requirements

 

for

 

relief

 

Valve

 

and

 

Automa

�

c

 

Shuto

ff 

Devices

 

for

 

Hot

 

Water

 

systems,

 

ANSI

 

Z21.22,

 

by

 

a

 

na

�

onally

 

recognized

 

tes

�

ng

  

laboratory

 

that

 

main

‐

tains

 

periodic

 

inspec

�

on

 

of

 

listed

 

equipment

 

or

 

mate

‐

rials.

 

The

 

valve

 

must

 

be

 

oriented,

 

provided

 

with

 

tub

‐

ing

 

or

 

otherwise

 

installed

 

so

 

that

 

discharge

 

can

 

exit

 

only

 

within

 

six

 

(6)

 

inches

 

above,

 

or

 

at

 

any

 

distance

 

below,

 

the

 

structural

 

oor,

 

and

 

cannot

 

contact

  

any

 

electrical

 

part.

  

The

 

valve

 

must

 

be

 

piped

 

to

 

an

 

area

 

where

 

discharge

 

will

 

not

 

cause

 

personal

 

injury

 

or

 

damage

 

the

 

surrounding

 

area.

 

 

WARNING 

Install a T&P relief valve with a rated capacity equal 

or greater that the output of the energy source. 

Removal of the T&P Valve or failure to replace the 

valve will release the manufacturer from any claim 

which might result from excessive  

temperatures and pressures  

10

 

 

 

IV   Installation/Piping 

(cont’d) 

A

B

C

D

E

F

G

H

 

Legend

 

 

A

  

Ball

 

Valve—Typical

 

 

B

  

Dielectric

 

Union—Suggested

 

 

C

   

Temperature

 

&

 

Pressure

 

Relief

 

Valve

 

 

D

 

Heat

 

Trap

 

Loop—Suggested

 

 

E

  

Thermosta

�

c

 

Mixing

 

Valve

 

–Suggested

 

 

F

  

High

 

Temperature

 

Outlet

 

 

G

  

Mixed

 

Temperature

 

Outlet

 

 

H

  

Expansion

 

Tank

 

in

 

Cold

 

Water

 

Supply

  

 

 

Note: For drawing clarity, addi

Ɵ

onal  

isola

Ɵ

on valves and other accessories have 

been omi

Ʃ

ed.  Follow normal piping  

prac

Ɵ

ces when installing tank. 

 

Domes

�

c

 

Water:

 

 

A.

 

Install

 

isola

�

on

 

valve

 

between

 

the

 

water

 

supply

 

and

 

the

 

cold

 

water

 

inlet

 

of

 

the

 

tank

 

for

 

ease

 

of

 

service.

 

B.

 

Installing

 

a

 

heat

 

trap

 

in

 

the

 

domes

�

c

 

hot

 

water

 

outlet

 

piping

 

will

 

improve

 

energy

 

e

ffi

ciency

 

and

 

reduce

 

pip

‐

ing

 

heat

 

loss.

 

C.

 

A

 

Thermosta

�

c

 

Mixing

 

Valve

 

is

 

recommended

 

and

 

may

 

be

 

required

 

by

 

local

 

codes.

 

The

 

valve

 

will

 

blend

 

the

 

tank

 

output

 

water

 

with

 

cold

 

water

 

to

 

achieve

 

a

 

more

 

constant

 

mixed

 

temperature.

 

The

 

risk

 

of

 

scald

‐

ing

 

is

 

not

 

eliminated

 

by

 

use

 

of

 

a

 

mixing

 

valve.

  

Refer

 

to

 

the

 

installa

�

on

 

instruc

�

ons

 

provide

 

by

 

the

 

mixing

 

valve

 

manufacturer

 

for

 

proper

 

installa

�

on.

 

D.

 

Expansion

 

Tank:

 

When

 

a

 

back

‐

ow

 

device

 

or

 

“no

‐

return”

 

valve

 

is

 

installed

 

in

 

the

 

piping

 

system

 

a

 

Ther

‐

mal

 

Expansion

 

Tank

 

designed

 

for

 

use

 

in

 

a

 

domes

�

c

 

hot

 

water

 

system

 

will

 

be

 

required.

  

Install

 

the

 

tank

 

in

 

the

 

cold

 

water

 

piping

 

close

 

to

 

the

 

tank

 

between

 

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&P)

 

Install

 

a

 

T&P

 

relief

 

valve

 

(long

 

element

 

type)

 

into

 

the

 

separate

 

tapping

 

designated

 

for

 

the

 

T&P

 

valve.

  

Install

 

temper

‐

ature

 

and

 

pressure

 

protec

�

ve

 

equipment

 

required

 

by

 

local

 

codes,

 

but

 

no

 

less

 

than

 

a

 

combina

�

on

 

tempera

‐

ture

 

and

 

pressure

 

relief

 

valve

 

cer

�

ed

 

as

 

mee

�

ng

 

the

 

requirements

 

for

 

relief

 

Valve

 

and

 

Automa

�

c

 

Shuto

ff 

Devices

 

for

 

Hot

 

Water

 

systems,

 

ANSI

 

Z21.22,

 

by

 

a

 

na

�

onally

 

recognized

 

tes

�

ng

  

laboratory

 

that

 

main

‐

tains

 

periodic

 

inspec

�

on

 

of

 

listed

 

equipment

 

or

 

mate

‐

rials.

 

The

 

valve

 

must

 

be

 

oriented,

 

provided

 

with

 

tub

‐

ing

 

or

 

otherwise

 

installed

 

so

 

that

 

discharge

 

can

 

exit

 

only

 

within

 

six

 

(6)

 

inches

 

above,

 

or

 

at

 

any

 

distance

 

below,

 

the

 

structural

 

oor,

 

and

 

cannot

 

contact

  

any

 

electrical

 

part.

  

The

 

valve

 

must

 

be

 

piped

 

to

 

an

 

area

 

where

 

discharge

 

will

 

not

 

cause

 

personal

 

injury

 

or

 

damage

 

the

 

surrounding

 

area.

 

 

WARNING 

Install a T&P relief valve with a rated capacity equal 

or greater that the output of the energy source. 

Removal of the T&P Valve or failure to replace the 

valve will release the manufacturer from any claim 

which might result from excessive  

temperatures and pressures  

10

 

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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