Paloma PH2-20R OFN, Engineering Handbook

Page: 99 / 172

SPECIFICATIONS (Approx.)
Model PHH-25ROFN, PHH-25ROFP
PHH-32ROFN, PHH-32ROFP PHH-25RDVN, PHH-25RDVP
PHH-32RDVN, PHH-32RDVP
Purpose Domestic Hot Water Supply
Rated Gas Input
(Btu/Hr.) 11,000 (Min.) ~ 157,000 (Max.) (PHH-25R Series) Modulating
11,000 (Min.) ~ 199,900 (Max.) (PHH-32R Series) Modulating
Dimensions (in.) 18 1/2 (W) x 27 5/8 (H) x 9 3/4 (D) 18 1/2 (W) x 30 3/8 (H) x 9 3/4 (D)
Net Weight (lbs.) 76
Installation Outdoor Wall Mounting Type Direct Vent Indoor Wall Mounting Type
Can be vented either horizontally or vertically
Working Water Pressure 14 psi ~ 150 psi
Minimum Water Flow 0.40 GPM
Maximum Flow Rate 8.5 GPM (PHH-25R); 9.5 GPM (PHH-32R) at 35ºF Temp. Rise
Gas Connection 3/4” NPT Female (w/supplied Gas Shutoff Valve)
Water Connection 3/4” NPT Male
Vent Size N/A (Outdoor Installation) 2” or 3” PVC or CPVC
Max. Vent Length N/A (Outdoor Installation) 35 Feet with Three 90º Elbow (3” PVC)
5 Feet with One 90º Elbow (2” PVC)
Effi ciency Rating 93% (PHH-25ROF, PHH-32ROF, PHH-32RDV); 94% (PHH-25RDV)
Energy Factor 0.93 (PHH-25ROF); 0.94 (PHH-25RDV, PHH-32ROF, PHH-32RDV)
Inlet Gas Pressure
before water heater Natural Gas: Min. 4.0” w.c. Max. 10.5” w.c.
L.P. Gas: Min. 8.0” w.c. Max. 13.0” w.c. (Do not exceed maximum pressure.)
Hot Water Supply Adjusting Range 85ºF ~ 120ºF (140ºF) (Residential)
Adjusting Range 85ºF ~ 185ºF (Commercial) (By conversion kit)
Max. Setting W/ Main Remote Control (UMC-117) & Adjustment
Electrical Portion Electrical Rating 120VAC/60Hz, Less than 2 Amps
Power Supply Cord 3 Pin Power Supply Cord 10 Feet (Direct Vent)
Safety Devices Oxygen Depletion Safety Flame Rod (Direct Vent)
Over Heat Limiter Film Type for Entire Heat Exchanger
Flame Failure Safety Flame Rod Type
Freeze Protection Minus 30ºF (Without Wind-Chill Factor)
Optional Accessory First Bath Remote Control (USC1-117); Second Bath Remote Control (USC2-117)
DUOnex ™ for 2-Unit Manifolding
MIC-185 for Multi-Unit System Controller (2 to 6 units); MICS-180 for Expansion Board
(Up to 20 units); Communication Cables for MIC-185 (16, 32 & 65 feet)
MIC-6 for Manifold Controller (2 to 6 units); Manifold Cables for MIC-6 (6 & 18 feet)
High Altitude Setting High Altitude DIP Switch Adjustment
Hot Water Flow Rate and Temperature Rise
Temp. Rise (ºF)
35
45 50 60 70 80 90 100
Water Flow (GPM) PHH-25R 8.5 6.6 5.9 4.9 4.2 3.7 3.3 3.0
Water Flow (GPM) PHH-32R 9.5 8.4 7.6 6.3 5.4 4.7 4.2 3.8
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Note: Venting: Schedule 40 (PVC), Schedule 40 (CPVC) or Category III Stainless Steel . “B” vent is not permitted.
Since we are constantly improving our products, all specifi cations are subject to change without notice.