Bosch Gwh C 800 Es - Bosch GWH 715 ES Applications Manual

Applications manual

2.3 Bosch GWH C 800 ES

Features:
Electronic ignition and built in power vent
Condensing technology with 92% thermal effi ciency
Vents vertically or horizontally with 3" or 4" PVC, CPVC or ABS
(Schedule 40) vent pipe.
Direct vent room-sealed combustion with concentric venting
option
Computerized temperature control — ensures temperature stability
Model GWH C 800 ES N for natural gas (NG) supply
Model GWH C 800 ES L for liquid propane (LP) supply
15-year warranty
Qualifi es for $300 tax credit
GWH C 800 ES Technical Specifi cations
Gas input
Minimum fl ow to activate
Flow rates
Thermal Effi ciency
Dimensions
Weight
Modulating gas valve
Ignition
Accessories
GWH C 800 ES Installation Specifi cations
Gas connection
Water connections
NG gas pressure
LP gas pressure
Water pressure
(Static)
Electrical supply
Venting
Bosch Water Heating
Natural Gas: 19,900 - 199,000 BTU
LP Gas: 19,900 - 199,000 BTU
0.65 gallons per minute (gpm)
45˚F rise @ 8.0 gpm
55˚F rise @ 6.4 gpm
65˚F rise @ 5.5 gpm
77˚F rise @ 4.6 gpm
90˚F rise @ 3.9 gpm
NG: 92% LP: 92%
30½" h x 17⅞" w x 11¼" d
74 lbs.
yes
Electronic
Outdoor kit (PTOK)
Wireless Remote (TSTAT2)
Tankless Link Cascading Kit (TLINK)
Freeze Prevention Kit (8700400022)
Water Filter Kit (8703305356)
Concentic Termination Kit
(BWH60L46)
¾" Male NPT
¾" Male NPT
Minimum: 4" W.C.
Maximum: 14" W.C.
Minimum: 9" W.C.
Maximum: 14" W.C.
Minimum: 30 PSI
Minimum well pressure: 40 PSI
Maximum: 150 PSI
120VAC - plugs in
3" or 4" PVC, CPVC, or ABS
(Schedule 40) direct vent sealed
combustion
GWH C 800 ES Installation Clearances
Top (A) 12"
Front (B) 1"
Back 0"
Sides 1"
Floor (C) 12"
MAINTAIN 12 IN
.
(1 8 IN. FOR CANADA)
VENT
MINIMUM CLEARANCE
ABOVE
HIGHEST ANTICIPATED
SNOW LEVEL.
COMBUSTION
MAXIMUM OF 24 IN.
AIR
ABOVE ROOF.
ROOF BOOT/
FLASHING (FIELD
SUPPLIED
INTAKE
EXHAUST
DRAIN TEE
Fig. 1 Venting confi gurations
Installation guidelines:
Venting:
Must be 3" or 4" PVC, CPVC or ABS (Schedule 40) vent pipe.
Attach drain for internal condensate siphon and dispose of
according to local codes.
Do not combination vent with any other appliance.
Install an external condensate drain where applicable.
See manual for vent terminator clearances.
Gas piping:
Heater will not function properly without adequate supply gas
pressure.
Any appliance connector should be ¾" minimum diameter
Plumbing:
Install the included pressure relief valve and pipe to suitable
drain.
Minimum piping diameter is ¾".
Do not solder directly to the bottom of the unit.
Use unions to facilitate easy future maintenance.
Use full port ball valves for isolation valves.
Partially fi ll condensate drain tube loop (where applicable)
INTAKE
EXHAUST
COMBUSTION
DRAIN TEE
Applications manual | 11.2007
| 7
MINIMUM
1"
VENT
AIR