Eemax EX144TC, EX144TC S, EX144TC ML, EX144TC FS, EX190TC User Manual

Series Two™, "TC"

In USA

Assembled

Staged Models (Two Heating Modules) with Thermostatic Control

Applications

•

Single or multi-xture

•

Commercial/Industrial

•

Adjustable temperature setting with +/–1°F temperature stability

•

Solar backup with FS option

Performance Features

•

Turns on in stages based on hot water demand

•

On demand hot water

•

Continuous hot water. No storage capacity to run out

•

Reduces installation cost and material. No T&P relief valve
needed (check local codes) or venting

•

Easy installation with integral 3/4" NPT ttings

•

Cut energy waste. Flow switch activates heater only on demand
(no standby heat loss)

•

Two glass-ber reinforced heater bodies and nichrome
elements – a unique, patented ow path ensures optimum heat
transfer and extended element life

•

Warranty, ve (5) years limited on leaks, one (1) year parts

•

Field serviceable replaceable cartridge element

•

Unit mounts on wall

•

High temperature limit switch

Optional Features

•

Factory set ambient to 180°F (FS)

•

Multi lavs 0.3 turn on. Staged up to 4 lavs 105°F-110°F temp
setting (ML)

•

Sanitation 180°F (S)

•

N4, N4X (304SS) enclosures

Product Specications

Dimensions: 10.25" x 10.75" x 4.5"

Weight: 10.5 lb

Cover: Enameled steel

Color: White

Element: Dual replacement cartridge inserts

Thermostatic control (+/-1°F) accuracy at steady

state

Fittings: 3/4" NPT ttings at bottom of unit

Min. Dynamic Operating Pressure: 40 PSI

Max. Dynamic Operating Pressure: 150 PSI

UL listed le number: E86887

U.S. Patent #'s: 4,762,980 and 4,960,976

Suggested Specication

Tankless water heater shall be an Eemax Series Two model
number EX_________________________.

Heater shall have two heating modules. Element shall be
replaceable cartridge insert. Unit shall have a replaceable lter
in the inlet connector. Heater shall be tted with 3/4" NPT water
connections. Maximum operating pressure of 150 PSI. Hot water
storage tanks prohibited. Unit shall be Eemax or approved equal.
NOTE: Refer to rating chart for product information.

Enclosure to be tted with the following features:

_____ FS Factory set ambient to 180°F
_____ ML Multi lavs 0.3 turn on. Staged up to

_____ S Sanitation 180°F
_____ N4 NEMA 4 steel cabinet with powder coat nish
_____ N4X NEMA 4 stainless steel, corrosion-resistant cabinet

*The wetted surface of this product
contacted by water contains less than

0.25% lead and meets NSF/ANSI 372

4 lavs 110°F temp setting

Specications

Tankless Electric Water Heater

Special Design Service

Inquiries for units for unique applications are welcome.
Call our Technical Service department at 1-800-543-6163.

Information and product specications contained in this document are subject to change without notice. REV 2020-01

21

Series Two, "TC"

10.68

10.12

20.00

1.97

8.78

NEMA 4/4X

Staged Models (Two Heating Modules) with Thermostatic Control

Specications

Tankless Electric Water Heater

Sux Denitions

FS Factory set ambient to 180°F
ML Multi lavs 0.3 turn on. Staged up

S Sanitation 180°F

4.32

18.50

to

4 lavs 105°F-110°F temp setting

UTLET

1.77

1.41

4.00

.94

OUTLET

2.80

4.07 4.00

INLET

ELECTRICAL
CONNECTION (2)

16.00

14.50

4XØ .500

MOUNTING HOLES

INLET

MODEL NUMBER

VOLTS 240*

C

EX144TC

C

EX144TC (derated 208V performance)

C

EX144TC S

C

EX144TC ML

C

EX144TC FS

C

EX190TC

C

EX190TC (derated 208V performance)

C

EX190TC S

C

EX190TC FS

C

EX190TC ML

EX023240TC

EX023240TC (derated 208V performance)

EX023240TC S

EX023240TC FS

EX023240TC ML

VOLTS 208 Single Phase

C

EX1608TC

C

EX1608TC S

C

EX1608TC FS

C

EX1608TC ML

VOLTS 277

EX160TC

EX160TC S

EX160TC FS

EX160TC ML

EX200TC

EX200TC S

EX200TC FS

EX200TC ML

CNL Models

C

EX144TC CNL

C

EX144TC S CNL

C

EX144TC FS CNL

C

EX144TC ML CNL

C

EX190TC CNL

C

EX190TC S CNL

C

EX190TC FS CNL

C

EX190TC ML CNL

C

EX1608TC CNL

C

EX1608TC S CNL

C

EX1608TC FS CNL

C

EX1608TC ML CNL

* 240V units can be used on 208V single phase with 25% reduced temperature output. Please note per UL standards the rating plate and installation instructions will all be according

to a 240V applied voltage. Check with local ofcials prior to derating the electrical infrastructure.

"C" indicates evaluation and compliance to either Underwriters Laboratories (UL) or Intertek (ETL) under CAN/CSA-C22.2 No. 64/No. 88. CNL SKUs are Canada specic.

kW AMPS

15.0 64(2x32) 10 AWG 0.7 3.0 68° 51° 41° 34°

11.2 54(2x27) 10 AWG 0.7 3.0 51° 38° 31° 25°

15.0 64(2x32) 10 AWG 0.7 3.0 68° 51° 41° 34°

15.0 64(2x32) 10 AWG 0.3 3.0 68° 51° 41° 34°

15.0 64(2x32) 10 AWG 0.7 3.0 68° 51° 41° 34°

19.0 80(2x40) 8 AWG 0.7 3.0 87° 65° 52° 43°

14.0 68(2x34) 8 AWG 0.7 3.0 64° 48° 38° 32°

19.0 80(2x40) 8 AWG 0.7 3.0 87° 65° 52° 43°

19.0 80(2x40) 8 AWG 0.7 3.0 87° 65° 52° 43°

19.0 80(2x40) 8 AWG 0.3 3.0 87° 65° 52° 43°

23.0 96(2x48) 8 AWG 0.7 3.0 105° 79° 63° 52°

17.3 83(2x50) 8 AWG 0.7 3.0 79° 59° 47° 39°

23.0 96(2x48) 8 AWG 0.7 3.0 105° 79° 63° 52°

23.0 96(2x48) 8 AWG 0.7 3.0 105° 79° 63° 52°

23.0 96(2x48) 8 AWG 0.3 3.0 105° 79° 63° 52°

16.6 80(2x40) 8 AWG 0.7 3.0 76° 57° 45° 38°

16.6 80(2x40) 8 AWG 0.7 3.0 76° 57° 45° 38°

16.6 80(2x40) 8 AWG 0.7 3.0 76° 57° 45° 38°

16.6 80(2x40) 8 AWG 0.3 3.0 76° 57° 45° 38°

16.0 58(2x29) 10 AWG 0.7 3.0 73° 55° 44° 36°

16.0 58(2x29) 10 AWG 0.7 3.0 73° 55° 44° 36°

16.0 58(2x29) 10 AWG 0.7 3.0 73° 55° 44° 36°

16.0 58(2x29) 10 AWG 0.3 3.0 73° 55° 44° 36°

20.0 72(2x36) 8 AWG 0.7 3.0 91° 68° 55° 46°

20.0 72(2x36) 8 AWG 0.7 3.0 91° 68° 55° 46°

20.0 72(2x36) 8 AWG 0.7 3.0 91° 68° 55° 46°

20.0 72(2x36) 8 AWG 0.3 3.0 91° 68° 55° 46°

15.0 64(2x32) 6 AWG 0.7 3.0 68° 51° 41° 34°

15.0 64(2x32) 6 AWG 0.7 3.0 68° 51° 41° 34°

15.0 64(2x32) 6 AWG 0.7 3.0 68° 51° 41° 34°

15.0 64(2x32) 6 AWG 0.3 3.0 68° 51° 41° 34°

19.0 80(2x40) 4 AWG 0.7 3.0 87° 65° 52° 43°

19.0 80(2x40) 4 AWG 0.7 3.0 87° 65° 52° 43°

19.0 80(2x40) 4 AWG 0.7 3.0 87° 65° 52° 43°

19.0 80(2x40) 4 AWG 0.3 3.0 87° 65° 52° 43°

16.6 80(2x40) 4 AWG 0.7 3.0 76° 57° 45° 38°

16.6 80(2x40) 4 AWG 0.7 3.0 76° 57° 45° 38°

16.6 80(2x40) 4 AWG 0.7 3.0 76° 57° 45° 38°

16.6 80(2x40) 4 AWG 0.3 3.0 76° 57° 45° 38°

RECOMMENDED

WIRE SIZE

(75° C/CU)

TURN ON

(GPM)

MAX FLOW

(GPM)

1.5

GPM

TEMPERATURE RISE °F

2.0

GPM

2.5

GPM

3.0

GPM

22

Information and product specications contained in this document are subject to change without notice. REV 2020-01

Series Two™, "T2"

In USA

Assembled

Parallel Models (Two Heating Modules) with Thermostatic Control

Applications

•

Single high volume xture

•

Booster (Solar backup)

•

Commercial/Industrial

•

Adjustable temperature setting with +/–1°F temperature stability

Performance Features

•

Parallel turn on

•

On demand hot water

•

Continuous hot water. No storage capacity to run out

•

Reduces installation cost and material. No T&P relief valve
needed (check local codes) or venting

•

Easy installation with integral 3/4" NPT ttings

•

Cut energy waste. Flow switch activates heater only on demand
(no standby heat loss)

•

Meets ANSI Z358.1 tepid water requirement (EE option)

•

Two glass reinforced heater bodies and Nichrome elements – a
unique, patented ow path ensures optimum heat transfer and
extended element life

•

Warranty, ve (5) years limited on leaks, one (1) year parts

•

Field serviceable replaceable cartridge element

•

Unit mounts on wall

•

High temperature limit switch

Optional Features

•

Emergency eye/face wash ANSI Z358.1 (EE)

•

Factory set ambient to 180°F (60°F-180°F) (FS)

•

Sanitation 180°F (S)

•

N4, N4X (304SS) enclosures

Product Specications

Dimensions: 10.25" x 10.75" x 4.5"

Weight: 10.5 lb

Cover: Enameled steel

Color: White

Element: Dual replacement cartridge inserts.

Thermostatic control (+/-1°F) accuracy at steady

state

Fittings: 3/4" NPT ttings at bottom of unit

Min. Dynamic Operating Pressure: 40 PSI

Max. Dynamic Operating Pressure: 150 PSI

UL Listing: E86887

U.S. Patent #'s: 4,762,980 and 4,960,976

Suggested Specication

Tankless water heater shall be an Eemax Series Two model
number EX_________________________.

Heater shall have two heating modules. Element shall be
replaceable cartridge insert. Unit shall have a replaceable lter
in the inlet connector. Heater shall be tted with 3/4" NPT water
connections. Maximum operating pressure of 150 PSI. Hot water
storage tanks prohibited. Unit shall be Eemax or approved equal.
NOTE: Refer to rating chart for product information.

Enclosure to be tted with the following features:

_____ EE Emergency Eyewash. Meets ANSI tepid water

_____ FS Factory Set. Customer specied factory-set not to

_____ S Sanitation. Factory preset not to exceed

_____ N4 NEMA 4 steel cabinet with powder coat nish
_____ N4X NEMA 4 stainless steel, corrosion-resistant cabinet

Specications

Tankless Electric Water Heater

*The wetted surface of this product
contacted by water contains less than

0.25% lead and meets NSF/ANSI 372

requirements. Max. temperature of 90°F

exceed temperature ambient to 180°F (60°F-180°F)

temperature of 180°F

Special Design Service

Inquiries for units for unique applications are welcome.
Call our Technical Service department at 1-800-543-6163.

Information and product specications contained in this document are subject to change without notice. REV 2020-01

23

Series Two, "T2"

10.68

10.12

20.00

1.97

8.78

NEMA 4/4X

Parallel Models (Two Heating Modules) with Thermostatic Control

Specications

Tankless Electric Water Heater

Sux Denitions

EE Meets ANSI Z358.1 emergency

FS Factory set ambient to 180°F
S Sanitation 180°F

4.32

18.50

eye/face wash tepid water require­ments

UTLET

1.77

1.41

4.00

.94

OUTLET

2.80

4.07 4.00

INLET

ELECTRICAL
CONNECTION (2)

16.00

14.50

4XØ .500

MOUNTING HOLES

INLET

RECOMMENDED

MODEL NUMBER kW AMPS

VOLTS 240*

C

EX144T2

EX144T2 (derated 208V performance)

C

EX144T2 EE

C

EX144T2 FS

C

EX144T2 S

C

EX190T2

EX190T2 (derated 208V performance)

C

EX190T2 EE

C

EX190T2 FS

C

EX190T2 S

EX023240T2

EX023240T2 (derated 208V performance)

EX023240T2 EE

EX023240T2 FS

EX023240T2 S

VOLTS 208 Single Phase

C

EX1608T2

C

EX1608T2 EE

C

EX1608T2 FS

C

EX1608T2 S

VOLTS 277

EX160T2

EX160T2 EE

EX160T2 FS

EX160T2 S

EX200T2

EX200T2 EE

EX200T2 FS

EX200T2 S

CNL Models

C

EX144T2 CNL

C

EX144T2 EE CNL

C

EX144T2 FS CNL

C

EX144T2 S CNL

C

EX190T2 CNL

C

EX190T2 EE CNL

C

EX190T2 FS CNL

C

EX190T2 S CNL

C

EX1608T2 CNL

C

EX1608T2 EE CNL

C

EX1608T2 FS CNL

C

EX1608T2 S CNL

* 240V units can be used on 208V single phase with 25% reduced temperature output. Please note per UL standards the rating plate and installation instructions will all be according

to a 240V applied voltage. Check with local ofcials prior to derating the electrical infrastructure.

† Temperature electrically limited to factory preset temperature.

"C" indicates evaluation and compliance to either Underwriters Laboratories (UL) or Intertek (ETL) under CAN/CSA-C22.2 No. 64/No. 88. CNL SKUs are Canada specic.

15.0 64(2x32) 10 AWG 1.5 4.0 68° 51° 41° 34° 26°

11.2 54(2x27) 10 AWG 1.5 4.0 51° 38° 31° 25° 19°

15.0 64(2x32) 10 AWG 1.5 4.0 † 51° 41° 34° 26°

15.0 64(2x32) 10 AWG 1.5 4.0 68° 51° 41° 34° 26°

15.0 64(2x32) 10 AWG 1.5 4.0 68° 51° 41° 34° 26°

19.0 80(2x40) 8 AWG 1.5 4.0 87° 65° 52° 43° 32°

14.0 68(2x34) 8 AWG 1.5 4.0 64° 48° 38° 32° 24°

19.0 80(2x40) 8 AWG 1.5 4.0 † † 52° 43° 32°

19.0 80(2x40) 8 AWG 1.5 4.0 87° 65° 52° 43° 32°

19.0 80(2x40) 8 AWG 1.5 4.0 87° 65° 52° 43° 32°

23.0 96(2x48) 8 AWG 1.5 4.0 105° 79° 63° 52° 39°

17.3 83(2x50) 8 AWG 1.5 4.0 79° 59° 47° 39° 30°

23.0 96(2x48) 8 AWG 1.5 4.0 † † † 52° 39°

23.0 96(2x48) 8 AWG 1.5 4.0 105° 79° 63° 52° 39°

23.0 96(2x48) 8 AWG 1.5 4.0 105° 79° 63° 52° 39°

16.6 80(2x40) 8 AWG 1.5 4.0 76° 57° 45° 38° 28°

16.6 80(2x40) 8 AWG 1.5 4.0 † 57° 45° 38° 28°

16.6 80(2x40) 8 AWG 1.5 4.0 76° 57° 45° 38° 28°

16.6 80(2x40) 8 AWG 1.5 4.0 76° 57° 45° 38° 28°

16.0 58(2x29) 10 AWG 1.5 4.0 73° 55° 44° 36° 27°

16.0 58(2x29) 10 AWG 1.5 4.0 † 55° 44° 36° 27°

16.0 58(2x29) 10 AWG 1.5 4.0 73° 55° 44° 36° 27°

16.0 58(2x29) 10 AWG 1.5 4.0 73° 55° 44° 36° 27°

20.0 72(2x36) 8 AWG 1.5 4.0 91° 68° 55° 46° 34°

20.0 72(2x36) 8 AWG 1.5 4.0 † † 55° 46° 34°

20.0 72(2x36) 8 AWG 1.5 4.0 91° 68° 55° 46° 34°

20.0 72(2x36) 8 AWG 1.5 4.0 91° 68° 55° 46° 34°

15.0 64 6 AWG 1.5 4.0 68° 51° 41° 34° 25°

15.0 64 6 AWG 1.5 4.0 † 51° 41° 34° 25°

15.0 64 6 AWG 1.5 4.0 68° 51° 41° 34° 25°

15.0 64 6 AWG 1.5 4.0 68° 51° 41° 34° 25°

19.0 80 4 AWG 1.5 4.0 87° 65° 52° 43° 32°

19.0 80 4 AWG 1.5 4.0 † † 52° 43° 32°

19.0 80 4 AWG 1.5 4.0 87° 65° 52° 43° 32°

19.0 80 4 AWG 1.5 4.0 87° 65° 52° 43° 32°

16.6 80 4 AWG 1.5 4.0 76° 57° 45° 38° 28°

16.6 80 4 AWG 1.5 4.0 † 57° 45° 38° 28°

16.6 80 4 AWG 1.5 4.0 76° 57° 45° 38° 28°

16.6 80 4 AWG 1.5 4.0 76° 57° 45° 38° 28°

WIRE SIZE

(75° C/CU)

TURN ON

(GPM)

MAX FLOW

(GPM)

1.5

GPM

TEMPERATURE RISE °F

2.0

2.5

GPM

GPM

3.0

GPM

4.0

GPM

24

Information and product specications contained in this document are subject to change without notice. REV 2020-01