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Commercial Solar Applications - Bosch C 1210 ES Applications Manual

Bosch therm tankless water heaters
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THERM Tankless Water Heater Applications Manual

11 Commercial Solar Applications

Introduction
This section provides a general overview for commercial hot water
systems in conjuction with solar water heating (e.g. schools, fi tness
centers). For additional system details, consult the Bosch Solar
Technical Guide.
Solar
Twin
Controller
tube
Solar
Pump
Station
BOSCH THERMOTECHNOLOGY CORPORATION
Collector
sensor
Domestic
Hot
Water
Thermostatic valve
Setpoint 120°F
Aquastat
or tank sensor
Aquastat
or tank sensor
Hot water
recirculation
return line
DHW
recirculation
pump
Pressure
Honeywell
relief
Am-1 series
valve
thermostatic
mixing
valve
Well
Service
thermometer
valve
System parameters:
Honeywell AM101 Thermostatic Valves required for proper
operation.
For optimal performance, the fl ow through the water heater
should be between 3.5 -5 gpm
See Chapter 5.1 and 5.2 for recirculation pump parameters
Applicable Bosch Models: •Bosch C 1210 ES/ESC
Symbols
Solar
Potable
Flow
storage
water
direction
tank
expansion
tank
Expansion
Drain
tank
valve
Circulator
Flow
check
valve
Data subject to change without notice | 01.2011
| 27
Cold
Water
Supply

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