whl-648 Rev. 001 Rel. 003 Date 10.8.19
14
I. Technical Specifications
Model
140
199
Installation
Indoor, Wall Mounted Model or Floor Model, Fully Condensing
Minimum /
Maximum Input
(Btu/Hr)
Central Heating (CH)
14,000 / 140,000
19,900 / 140,000*
Domestic Hot Water
(DHW)
19,900 / 199,000*
Flue System
Category IV, Sealed Combustion Direct Vent, Power Vent
Vent Run
2” (50 feet), 3” (100 feet), Schedule 40 PVC, CPVC, PP
AFUE
96%
95%
Hot Water
Capacity
35
o
F Rise
7.1 GPM
9.9 GPM
45
o
F Rise
5.5 GPM
7.7 GPM
77
o
F Rise
3.2 GPM
4.8 GPM
Weight (lbs) Wall Mount Model
110
120
Weight (lbs) Floor Model
140
150
Orifice Size
NG
-
0.327” (8.3mm)
LP
-
0.244” (6.2mm)
Gas Supply
Pressure
NG
3.5” to 14” WC
LP
Power
Supply
Main Supply
120V 60 Hz, 6A
Maximum Power
Consumption
160W
General Operating Conditions
Ambient Temperature Range: 33 – 104
o
F (0.6 – 40
o
C)
Operating Relative Humidity: Up to 90% at 140
o
F (40
o
C)
Shipping and Storage Temperature Range: -4 – 176
o
F (-20 – 80
o
C)
Power Supply and Communication (CN4): 14V DC
Product Approvals and Requirements
EMC: 89/336/EEC
LVD: 73/23/EEC
Ignition System
Direct Electronic Ignition / Automatic Flame Sensing
Burner System
Premixed Fuel Modulation / Ceramic Fiber Infrared
Gas Valve System
Combination Modulating (Current Proportional)
Internal Pipe Material
Copper
Wall Mount Model Dimensions
W 17.5” - H 34” - D 15.4”
W 19.7” - H 37” - D 16.8”
Floor Model Dimensions
W 19” - H 45” - D 17”
W 22” - H 48” - D 18”
Internal Storage Tank Water Capacity (DHW)
1 Gallon
1.5 Gallons
Heat Exchanger Capacity
4 Gallons
3.5 Gallons
Minimum Flow Rate
0.5 GPM
Total Water Capacity
5 Gallons
Control Panel / Main Controller
NGTX-900C / P-920C_CB-HTP
CH Water Pressure
Min 12 - Max 30 PSI
DHW Water Pressure
Max 150 PSI
Connection
Sizes
DHW Inlet / Outlet
3/4” NPT
CH Supply / Return
1” NPT
Gas Inlet
3/4” NPT
Materials
Cabinet
(Wall Mount Model)
Painted Cold Rolled Carbon Steel
Cabinet (Floor Model)
Galvaneal
Heat Exchanger
316L Stainless Steel
Safety Devices
Optical Flame Sensor, Burner Plate High Limit (392
o
F), Water Temperature High Limit Sensor (200
o
F),
Freeze Protection (Three Stage Operation - Activates at 46
o
F – See Freeze Protection in Installer Menu
for Details), Exhaust Temperature High Limit Sensor (190
o
F), Blocked Flue Switch, Condensate Switch,
Built-In Low Water Cut-Off Probe
Table 8 - Technical Specifications - *NOTE: 199 Models offer a maximum BTU/Hr Input of 140,000 as shipped. Maximum BTU/Hr can be increased up
to 199,000 BTU/Hr with a larger external pump installed in the primary loop.
Summary of Contents for WBRC 140 Series
Page 21: ...whl 648 Rev 001 Rel 003 Date 10 8 19 21 E Applications Figure 10 Piping Symbol Legend ...
Page 40: ...whl 648 Rev 001 Rel 003 Date 10 8 19 40 Figure 33 Electrical Wiring Diagram ...
Page 41: ...whl 648 Rev 001 Rel 003 Date 10 8 19 41 Figure 34 Ladder Diagram ...
Page 81: ...whl 648 Rev 001 Rel 003 Date 10 8 19 81 Notes ...
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