Environmental Engineering Reference
In-Depth Information
TABLE 9.14
Performance Requirements for Water-Heating Equipment
Subcategory or
Rating
Condition
Equipment
Type
Size Category
(Input)
Performance
Required
Test
Procedure
Electric water
heaters
12 kW
Resistance
≥75.7L
0.93-0.00132V EF
DOE 10 CFR
Part 430
>12 kW
Resistance
≥75.7L
20 + 35 V.5 SL,
Btu/h
ANSI
Z21.10.3
24 Amps and
≤250 Volts
Heat Pump
0.93-0.00132V EF
DOE 10 CFR
Part 430
Gas storage
water heaters
≤75,000 Btu/h
Resistance
≥75.7L
0.62-0.0019V EF
DOE 10 CFR
Part 430
>75,000 Btu/h
<310.1 (kW/L)
80% Et (Q/800 +
110 V.5) SL, Btu/h
ANSI
Z21.10.3
Gas
instantaneous
water heaters
>50,000 Btu/
hand <2000,000
Btu/h
≥310.1 kWQ/L
and <7.56 L
0.62-0.0019V EF
DOE 10 CFR
Part 430
≥200,000 Btu/h
≥310.1 kWQ/L
and <37.8 L
80% Et
ANSI
Z21.10.3
≥200,000 Btu/h
≥310.1 kWQ/L
and <37.8 L
80% Et (Q/800 +
110 V.5) SL, Btu/h
Oil storage
water heaters
≤105,000 Btu/h
Resistance
≥75.7L
0.59-0.0019V EF
DOE 10 CFR
Part 430
>105,000 Btu/h
<310.1 (kW/L)
78% Et (Q/800 +
110 V.5) SL, Btu/h
ANSI
Z21.10.3
Oil
instantaneous
water heaters
≤210,000 Btu/h
≥310.1 kWQ/L
and <7.56 L
0.59-0.0019V EF
DOE 10 CFR
Part 430
>210,000 Btu/h
≥310.1 kWQ/L
and <37.8 L
80% Et
ANSI
Z21.10.3
>210,000 Btu/h
≥310.1 kWQ/L
and <37.8 L
78% Et (Q/800 +
110 V.5) SL, Btu/h
Hot water
supply boilers,
gas and oil
300,000 Btu/hand
<12,500,000
Btu/h
≥310.1 kWQ/L
and <37.8 L
80% Et
ANSI
Z21.10.3
Hot water
supply boilers,
gas
≥310.1 kWQ/L
and <37.8 L
80% Et (Q/800 +
110 V.5) SL, Btu/h
Hot water
supply boilers,
oil
≥310.1 kWQ/L
and <37.8 L
78% Et (Q/800 +
110 V.5) SL, Btu/h
Pool heaters oil
and gas
All
78% Et
ASHRAE
146
Heat pump
pool heaters
All
4.0 COP
ASHRAE
146
Unfired storage
tanks
All
R-12.5
(None)
Source:
EEECBC EGYPTIAN Energy Efficiency Code, HBRC, 2012.
