Specifications

Appliance details | 7
6 720 644 936 (2013/01)830 ES
3.2 Specifications (Technical data)
Approved in US/Canada
Safety devices
• Flame failure device (ionization flame rod sensor)
• Overheat prevention (temperature limiter)
• Inlet temperature sensor
• Outlet temperature sensor
• Back flow temperature sensor
3.3 Unpacking the heater
Before installing the unit, be certain you have the correct heater for
your type of Gas - Propane or Natural Gas. Identification labels are
found on the shipping box, and on the rating plate which is located on the
right side panel of the cover.
Fig. 2 Rating plate
[A] Serial number
[B] Type of gas
Technical characteristics Units 830 ES
Capacity
Maximum flow rate at a 25 °F
(13.9 °C) rise
GPM (l/min) 11.6 (43.8)
Maximum flow rate at a 35 °F
(19.4 °C) rise
GPM (l/min) 8.3 (31.3)
Maximum flow rate at a 45 °F
(25 °C) rise
GPM (l/min) 6.4 (24.4)
Maximum flow rate at a 55 °F
(30.6 °C) rise
GPM (l/min) 5.3 (19.9)
Maximum flow rate at a 75 °F
(41.7 °C) rise
GPM (l/min) 3.9 (14.6)
Maximum flow rate at a 90 °F
(50 °C) rise
GPM (l/min) 3.2 (12.2)
Maximum output BTU/hr (kW) 147,000 (43)
Maximum input BTU/hr (kW) 175,000 (51.2)
Thermal efficiency (Efficiency
in %)
% > 83%
Minimum Input BTU/hr (kW) 19,900 (5.8)
Temperature Control
Selection range °F ( °C) 100 - 140 (38 - 60)
Default temperature °F ( °C) 122 (50)
Stability °F ( °C)  2 ( 1)
Gas Requirement
Gas connection inches ¾"
Peak load inlet gas pressure
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  250 (measured)
CO
2
level (set from factory) % see table 35
Dimensions
Depth inches (mm) 11 ¼ (286)
Width inches (mm) 17
7
/
8
(452)
Height inches (mm) 30½ (775)
Table 3
Weight pounds (kg) 67 (30.5)
Gas types
Natural Gas
LP Gas
Voltage
Nominal 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 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 4.3.8 Fan speed adjustment.
Technical characteristics Units 830 ES
Table 3