Bosch C1210ESC - Specifications (Technical Data)

Appliance details | 7
6 720 644 887 (2013/02)C 1210 ES/ESC
3.2 Specifications (Technical data)
Approved in US/Canada
Safety devices
• Flame failure device (ionization flame rod sensor)
• Overheat prevention (temperature limiter/ECO)
• Inlet temperature sensor
• Outlet temperature sensor
• Back flow temperature sensor
• Exhaust gas temperature sensor
Technical characteristics Units C 1210 ES/ESC
Capacity
Maximum flow rate at a 45 °F
(25 °C) rise
GPM (l/min) 9.2 (35)
Maximum flow rate at a 63 °F
(35 °C) rise
GPM (l/min) 6.6 (25)
Maximum flow rate at a 99 °F
(55 °C) rise
GPM (l/min) 4.2 (16)
Maximum flow rate at a 135 °F
(75 °C) rise
GPM (l/min) 3.1 (12)
Maximum flow rate at a 162 °F
(90 °C) rise
GPM (l/min) 2.6 (10)
Maximum output BTU/hr (kW) 210,000 (61.5)
Maximum input BTU/hr (kW) 225,000 (65.9)
Thermal efficiency (Efficiency
in %)
% > 94%
Minimum Input BTU/hr (kW) 25,000 (7.3)
Temperature Control
C 1210 ES - Selection range °F ( °C) 100 - 140 (38) - (60)
C 1210 ESC - Selection range °F ( °C) 100 - 180 (38) - (82)
Default temperature °F ( °C) 122 (50)
Stability °F ( °C)  2 ( 1)
Gas Requirement
Gas connection inches ¾"
Inlet gas pressure under operation (with a high hot water flow rate)
1)
Propane water column 8” - 13”
Natural Gas water column 3.5” - 10.5”
Water
Hot water connection inches ¾"
Cold water connection inches ¾"
Minimum water flow
2)
GPM (l/min) 0.5 (1.9)
Minimum recommended water
pressure
PSI (bar) 30 (2.07)
Minimum well pressure PSI 40
Water valve material Polymer (PPS)
(Polypropylene
Sulfide)
Connections: Bottom of heater
Combustion
CO level ppm  290 (measured)
CO
2
level (set from factory) % see table 33
Dimensions
Depth inches (mm) 11 ¼ (286)
Width inches (mm) 17
7
/
8
(452)
Table 3
Height inches (mm) 30½ (775)
Weight pounds (kg) 74 (33.5)
Gas types
Natural Gas
LP Gas
Voltage
Tension V AC 120
Frequency Hz 60
Amperage
Idle mA 40
Operation A  2.5
Noise db (A) 45 - 65
Water protection
3)
IP X4D
1) To measure Gas Pressure, see Measuring Gas Pressure, chapter 4.14, page page
31.
2) Activation varies with inlet water temperatures from 0.5 - 1.6 gallon/minute (1.9
- 6.1 l/m).
3) Protection against water drops.
If appliance is installed at elevations above 2000ft, refer
to chapter 4.3.7 Fan speed adjustment.
Technical characteristics Units C 1210 ES/ESC
Table 3