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T
ankless Water Heater
®
Instant-Pak
Tankless Water Heater
®
Instant-Pak
Tankless Water Heater
®
Raypak Tankless
Commercial Applications
Our NH-188 and NH-208 series models are for
HIGH-VOLUME COMMERCIAL USE!
Restaurants Hotels Laundromats
Instant-Pak
Tankless Water Heater
Multiple-Family
Housing
®
Tankless Commercial water heaters
Continuous hot water
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Commercial Tankless from Raypak
Instant-Pak
Tankless Water Heater
®
Instant-Pak
Tankless Water Heater
OUTDOOR
Instant-Pak
Tankless Water Heater
INDOOR DIRECT VENT
208DV indoor direct vent and 208X outdoor
natural and LP models – 11,000 - 199,900 BTU max.
®
9.5 gal./min at 35° F rise max., 7.4 gal./min. at 45° F rise
188DV indoor direct vent and 188X outdoor
natural and LP models – 11,000 - 180,000 BTU max.
8.4 gal./min at 35° F rise max., 6.7 gal./min. at 45° F rise
Limited Warranty:
5-Year on heat exchanger and parts, 1-Year on labor
See Warranty Information Certificate for complete warranty information.
Integral Connection 3"/5" Concentric Vent System with Integrated Condensate Collector
•
Connects to Metal Fab®Inc., 3"/5" Concentric Venting without an adapter
•
Next Generation Burner Technology
•
Industry Best! .26 GPM Minimum Flow Rate, .40 GPM Minimum
•
Activation Flow Rate
®
UMC-117 remote controller and 10 ft. of thermostat wire is included
•
EZ-Link cable available for high demand applications to connect
•
two tankless heaters to operate as one
Manifold up to 6 units with an optional MIC-6 manifold control board
•
Manifold up to 20 units with optional MIC-185 and MICS-185 assemblies.
•
High-altitude capability – up to 9,840 ft. elevation above sea level - the program chip does not
•
need to be substituted.
Exclusive! Guardian OFW overheat film wrap
•
All Raypak tankless models are third-party efficiency certified by AHRI
•
Continuous hot water, energy saving and compact, space saving design
•
Easy to install
•
Intelligent electronic controls designed to increase energy efficiency and safety
•
Self Diagnostic System
•
Digital display shows temperature setting and maintenance codes
•
Integral electric blower
•
Environmentally friendly Low NOx burner meets SCAQMD’s stringent new requirements for 2012
•
Freeze protection to -30° F
•
Product appearances may differ.
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Instant-Pak
Tankless Water Heater
®
Instant-Pak
Tankless Water Heater
®
0
1
2
3
4
5
6
7
8
9
10
10203545506070778090100
120
140
5.7
11.5
19.5
25.1
27.9
33.43942.9
44.5
50.1
55.7
66.8
77.9
Water Heater Flow R ate Curves
GPM
208 Series
188 Series
Litre/
min.
37.8
34.1
30.3
26.5
22.7
18.9
15.1
11.4
7.6
3.8
°F
°C
Delta-T
Raypak COMMERCIAL TANKLESS
Specifications
DESCRIPTION
MODEL
NUMBER
GAS INPUT
TYPE
BTU/HR.
(kw)
TYPE
TEMP.
RISE MAX.
°F
FEATURES UNIT DIMENSIONS
GPM @ 77°
RISE MAX.
(*L/Min.)
WATER FLOW RATE
GPM @ 45°
RISE MAX
(*L/Min.)
GPM @ 35°
RISE MAX.
(*L/Min.)
CONNECTION
GAS
WATER
(IN.)
(*mm)
(*mm)
HEIGHT
(IN.)
(*mm)
WIDTH
(*mm)
(IN.)
DEPTH
(IN.)
(*mm)
VENT
DIAMETER
(IN.)
(*mm)
SHIP.
WEIGHT
(LBS.)
(*kg)
ENERGY INFO.
ENERGY
FACTOR
NH-208DV
3.22 -58.3 16.3* 28.0* 36.0* N/A N/A 651* 352* 251* 80X125* 24.5* .82
NH-208X
3.22 -58.3 16.3* 28.0* 36.0* N/A N/A 651* 352* 225* N/A 24.5* .82
NH-188DV
3.22 -52.7 14.7* 25.3* 31.8* N/A N/A 651* 352* 251* 80X125* 24.5* .82
NH-188X
3.22 -52.7 14.7* 25.3* 31.8* N/A N/A 651* 352* 225* N/A 24.5* .82
Model
35°
NH-208 Flow (GPM) 9.5 7.4 6.6 5.5 4.7 4.3 4.1 3.7 3.3
NH-188
11,000-199,900
11,000-199,900
11,000-180,000
11,000-180,000
Flow (GPM) 8.4 6.7 6.1 5.1 4.3 3.9 3.8 3.4 3.0
Indoor 85 to 185
Outdoor 85 to 185
Indoor 85 to 185
Outdoor 85 to 185
45° 50° 60° 70° 77° 80° 90° 100°
Model
19.5°
NH-208 Flow (L/Min) 36 28 25 20.8 17.8 16.3 15.5 14 12.5
NH-188
Flow (L/Min) 31.8 25.3 23.1 19.3 16.3 14.7 14.4 12.9 11.4
Above estimates are for sizing purposes only.
25.1° 27.9° 33.4° 39° 42.9° 44.5° 50.1° 55.7°
4.3 7.4 9.5 3/4 3/4 25-5/8 13-7/8 9-7/8 3X5 54 .82
4.3 7.4 9.5 3/4 3/4 25-5/8 13-7/8 8-7/8 N/A 54 .82
3.9 6.7 8.4 3/4 3/4 25-5/8 13-7/8 9-7/8 3X5 54 .82
3.9 6.7 8.4 3/4 3/4 25-5/8 13-7/8 8-7/8 N/A 54 .82
Temperature Rise (° F)
These units are designed to meet or exceed ANSI (American
National Standards Institute) requirements and have been
tested according to D.O.E. test procedures and meet or
exceed the energy efficiency requirements of NAECA,
Temperature Rise (° C)
ASHRAE standard 90.1, ICC Code and all state energy efficiency performance criteria for energy consumi
appliances.
Before purchasing this appliance, read important energy
cost and efficiency information available from your supplier.
ng
Energy Factor D.O.E. (Department of Energy) test procedures.
All models are available in Natural Gas and Propane (LP).
For Propane replace the N with P when ordering.
• Factory set maximum temperature is 120° F. See Use and Care Manual
for setting.
• Consult factory for information on sizing the application.
• Vent Termination Kits are required for Direct Vent models.
Contact your distributor for details.
Proper gas pressure must be ensured to supply tankless gas water heaters – up to 199,900 BTU for
208 models, and up to 180,000 BTU for 188 models. (Consult your gas supplier)
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Water Heater Flow Rate Curves
5.7
11.5
19.5
25.1
27.9
33.43942.9
44.5
50.1
55.7
66.8
77.9
°F
°C
GPM
Litre/
Raypak COMMERCIAL TANKLESS
Instant-Pak
Tankless Water Heater
®
Instant-Pak
Tankless Water Heater
®
Do You Need A Bigger BTU Tankless Unit?
EZ-Link
• Double the system
capacity
• System redundancy
• ASME NOT required
™
TWO Tankless Water Heaters Together!
With (2) NH-208 units you get 399,800 BTU and a flow rate
of 14.8 GPM at a 45°F rise
With (2) NH-188 units you get 360,000 BTU and a flow rate
of 13.4 GPM at a 45°F rise
E-Z Link will allow two tankless water heaters to communicate as one. A perfect solution
for the light commercial application.
min.
37.8
20.0
34.1
18.0
30.3
16.0
26.5
14.0
12.0
22.7
10.0
18.9
8.0
15.1
6.0
11.4
4.0
7.6
3.8
2.0
0.0
10 20 35 45 50 60 70 77 80 90 100 120 140
(2) 208 Series
(2) 188 Series
Delta-T
Model
10° 20° 35°
(2) 208 Flow (GPM) 19.0 19.0 19.0 14.8 13.2 11.0 9.4 8.6 8.2 7.4 6.6 5.6 4.8
(2) 188 Flow (GPM) 16.8 16.8 16.8 13.4 12.2 10.2 8.6 7.8 7.6 6.8 6.0 5.1 4.3
Model
5.7° 11.4° 19.5°
(2) 208 Flow (L/min.) 71.9 71.9 71.9 56 50 41.7 35.6 32.6 30.3 28 25 21.2 18.2
(2) 188 Flow (L/min.) 63.7 63.7 63.7 50.8 46.2 38.6 32.6 29.5 28.8 25.7 22.7 19.3 16.3
Above estimates are for sizing purposes only.
45° 50° 60° 70° 77° 80° 90° 100° 120° 140°
25.1° 27.9° 33.4° 39° 42.9° 44.5° 50.1° 55.7° 66.8° 77.9°
Temperature Rise (° F)
Temperature Rise (° C)
Need More Heat?
Manifold Mul
• Systems from 180,000 BTU to 3,998,000 BTU
• Up to 20 tankless InstantPak
• Flow rates from .26 GPM to 190 GPM
In keeping with its policy of continuous progress and product improvement,
Raypak reserves the right to make changes without notice.
Raypak Inc.
2151 Eastman Ave. Oxnard CA 93030
1-805-278-5300 • www.raypak.com
Tankless Commercial water heaters
tiple Units Systems! (with optional sequencing controller)
• Multi-unit redundancy
• Direct recirculation capable – no tank needed
• External sequencing controller
Continuous hot water
© 2010 Raypak, Inc. Cat. No. 1000.23-D Effective: 05-01-15 Replaces: 02-15-14
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