9
WHL-004 REV. 12.17.14
PART 3 – TECHNICAL SPECIFICATIONS
MODEL
WGRTNG199 / WGRTLP199
Installation
Indoor, Wall Hung, Fully Condensing
Minimum / Maximum Input (Btu/Hr)
19,900 / 199,000
Hot Water Capacity
35
o
F Rise
11 Gal
45
o
F Rise
8.5 Gal
77
o
F Rise
5 Gal
Flue System
Sealed Combustion Direct Vent
Vent Run
2” (15 feet), 3” (100 feet), Schedule 40 PVC, CPVC, PP
Weight (lbs)
88
Orifice Size
NG
.374” (9.5 mm)
LP
Consult Factory
Gas Supply Pressure
NG
3.5
” to 14” WC
LP
3.5
” to 14” WC
Manifold Pressure
Min (3”)
NG: -0.01
” / LP: -0.11” WC
Max (3”)
NG: -0.05
” / LP: -0.06” WC
Power Supply
Main Supply
120V 60 Hz
Maximum Power
Consumption
135W
General Operating Conditions
Temperature
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)
Input Ratings
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
Single Orifice Premixed Fuel Modulation Metal Fiber Infrared
Gas Valve System
Air Ratio Valve
Minimum Flow Rate
0.5 GPM
Internal Pipe Material
Stainless Steel
Dimensions
W 17.3
” – H 27.6” – D 14.8”
Sub Heat Exchanger Water Capacity (DHW)
Under 2 Gallons
Main Controller / Control Panel
P-920C / GTH-9500C
Water Pressure
Min 15
– Max 150 PSI
Connection Sizes
Cold Water Inlet /
Hot Water Outlet
¾” NPT
Gas Inlet
¾” NPT
Materials
Cabinet
Cold Rolled Carbon Steel
Heat Exchanger
Primary Heat Exchanger: Stainless Steel
Secondary Heat Exchanger: Stainless Steel
Safety Devices
Flame Rod, Burner Overheat Cut Off Device 302
o
F (150
o
C), Gas Leak Detector,
Flue High Limit Switch 149
o
F (65
o
C), Water Temperature High Limit Switch 199
o
F
(93
o
C), Freeze Protection Ceramic Heater (Turns on at 41
o
F / 5
o
C, Turns off at
59
o
F / 15
o
C)
Table 3
– Technical Specifications
