Powerstream Pro Rp17Pt, Rp27Pt - Bosch GWH 715 ES Applications Manual

Applications manual

2.11 Powerstream Pro RP17PT, RP27PT

Features:
Over 90% effi ciency rating
10-year warranty on heat exchanger
Durable polymer construction
External temperature control knob
Thermal cut-out for safety
Flow sensor to provide a constant output temperature
Provides an ENDLESS supply of hot water
Weighs less than 25 pounds and fi ts virtually anywhere
No temperature/pressure relief valve necessary (unless required
by local codes)
Technical Specifi cations
Model RP17PT
Effi ciency 90%
Dimensions
15 ½" x 15 ¼" x 4 ½"
Weight 20 lbs.
Water fi ttings ¾" Male NPT
Activation rate 0.6 gpm
Electrical requirements
Volts 240
Kilowatts 17.25kW
Amps 80 (2x40 amps)
U.S.A
Canada 80 (1x80 amps)
Wire U.S.A 8 AWG
size
(4 conductors & ground)
Check Canadian
Canada
Electrical Code
(C22.1-02)
Phase Single
Maximum fl ow rate at given temperature rise
45°F Rise 2.6 gpm
50°F Rise 2.3 gpm
60°F Rise 2.0 gpm
70°F Rise 1.7 gpm
80°F Rise 1.5 gpm
Bosch Water Heating
Installation guidelines:
Electrical:
Minimum electrical service for RP17PT is 150 amps.
Minimum electrical service for RP27PT is 200 amps.
Minimum wire size for both models is 8 AWG.
Plumbing:
Do not solder directly to connections on the bottom of the unit.
Use unions to facilitate easy future maintenance.
Use full port ball valves for isolation valves.
RP27PT
94%
15 ½" x 15 ¼" x 4 ½"
22 lbs.
¾" Male NPT
0.8 gpm
240
26.85kW
120 (3x40 amps)
120 (1x120amps)
2 independent
40 amp double-pole
8 AWG
circuit breakers
(4 conductors & ground)
Fig. 5 RP17PT Electrical Connections
Check Canadian
Electrical Code
(C22.1-02)
Single
4.0 gpm
3.7 gpm
3.0 gpm
2.6 gpm
2.2 gpm
3 independent
40 amp double-pole
circuit breakers
Fig. 6 RP27PT Electrical Connections
RP17PT terminal block
RP27PT terminal block
Applications manual | 11.2007
| 15