SPECIFICATIONS (Approx.)
Model
PH-28RIFSN (NAT)
PH-28RIFSP (L.P.)
PH-28CIFSN (NAT)
PH-28CIFSP (L.P.)
PH-28ROFN (NAT)
PH-28ROFP (L.P.)
PH-28COFN (NAT)
PH-28COFP (L.P.)
PH-28RDVSN (NAT)
PH-28RDVSP (L.P.)
PH-28CDVSN (NAT)
PH-28CDVSP (L.P.)
Purpose
Domestic Hot Water Supply & Circulating
Rated Gas Input
(Btu/Hr.)
19,000 (Min.)
199,900 (Max.)(Modulating)
19,000 (Min.)
199,900 (Max.)(Modulating)
19,000 (Min.)
199,900 (Max.)(Modulating)
Dimensions (in.)
14 7/8 (W) x 25 3/8 (H) x 11 1/8 (D)
Net Weight (lbs.)
65
Installation
Indoor Wall Mounting Type
Can be vented either hori-
zontally or vertically
Outdoor Wall Mounting
Type
Direct Vent Indoor Wall
Mounting Type
Can be vented either hori-
zontally or vertically
Working Water Pressure
14 psi ~ 150 psi
Minimum Water Flow
0.66 GPM
Maximum Flow Rate
7.4 GPM at 45ºF Temperature Rise
Gas Connection
3/4” NPT Female (w/supplied Gas Shutoff Valve)
Water Connection
3/4” NPT Male
Vent Size
4” Special Venting
(Category III)
N/A (Outdoor Installation)
4” Special Venting
(Category III)
Max. Vent Length
37.5 Feet Three 90º Elbow
N/A (Outdoor Installation)
37.5 Feet Three 90º Elbow
Effi ciency Rating
84%
Energy Factor
0.82
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. 14.0” w.c. (Do not exceed maximum pressure.)
Hot Water Supply
Factory Setting
100ºF
Adjusting Range
R:100ºF ~ 120ºF (140ºF); C: 100°F ~ 180°F
Max. Setting
Up to 140ºF(R) or 180°F(C)(w/ Main Remote Control &
Dip Switch Adj.)
Electrical Portion
Electrical Rating
120VAC/60Hz, Less than 2 Amps
Power Supply Cord
3 Pin Power Supply Cord 10 Feet (Indoor & Direct Vent)
Safety Devices
Oxygen Depletion Safety
Sensing Burner (Indoor & 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-180 for Multi-Unit System Controller (2 to 6 units); MICS-180 for Expansion Board
(Up to 20 units); MIC Communication Cables (16, 32 & 65 feet)
High Altitude Adjustment Chips for use at altitudes above 3,280 feet, and up to 9.840 feet
Hot Water Flow Rate and Temperature Rise
Temp. Rise (ºF)
45
50
60
70
80
90
100
Water Flow (GPM)
7.4
6.7
5.6
4.8
4.2
3.7
3.4
- 3 -
Note: Special Venting: The adapter, vent pipe, elbow, vent terminal, etc. Should be UL 1738 Certifi ed Category III Stainless
Steel Venting Material (e.g. AL29-4C).
“B” vent is not permitted.
Since we are constantly improving our products, all specifi cations are subject to change without notice.
Содержание PH-28RIFSN
Страница 16: ...Operational Flow Chart Maintenance Information 16...
Страница 18: ...18...
Страница 19: ...MAINTENANCE INFORMATION SHOWN IN LED DISPLAY OF REMOTE CONTROL ABOVE 19...
Страница 44: ...44...
Страница 53: ...Schematic Disassembly PH 28RIFS 53...
Страница 54: ...Schematic Disassembly PH 28ROF 54...
Страница 55: ...Schematic Disassembly PH 28RIFS PH 28ROF 734 55...
Страница 58: ...Schematic Disassembly PH 28CIFS 58...
Страница 59: ...Schematic Disassembly PH 28COF 59...
Страница 60: ...Schematic Disassembly PH 28CIFS PH 28COF 734 60...
Страница 63: ...Schematic Disassembly PH 28RDVS 63...
Страница 64: ...Schematic Disassembly PH 28CDVS 64...
Страница 65: ...Schematic Disassembly PH 28RDVS PH 28CDVS 65...