Carrier 58CVA, Инструкции по установке, запуску, эксплуатации, обслуживанию и техническому обслуживанию, Страница: 33 / 53

k. Proceed to Step 7,
″
Set Blower Off Delay
″
before installing
blower access door.
9. Set Blower Off Delay
a. Remove blower access door if installed.
b. Turn Dip switch SW-7 or SW-8 ON or OFF for desired
blower off delay. See Table 8 and Fig 32 and 51.
10. Set thermostat heat anticipator.
TABLE 10–Orifice Size and Manifold Pressure for Gas Input Rate(Tabulated Data Based On 22,000 Btuh
High-Heat/14,500 Btuh for Low-Heat Per Burner,
Derated 4 Percent For Each 1000 Ft Above Sea Level)
ALTITUDE
RANGE
(FT)
AVG GAS
HEAT VALUE
(BTU/CU FT)
SPECIFIC GRAVITY OF NATURAL GAS
0.58 0.60 0.62 0.64
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifold
Pressure
U.S.A.
and
Canada
0
to
2000
900 42 3.5/1.5 42 3.6/1.6 42 3.7/1.6 41 3.5/1.5
925 42 3.3/1.4 42 3.4/1.5 42 3.5/1.5 42 3.7/1.6
950 43 3.8/1.7 42 3.3/1.4 42 3.4/1.5 42 3.5/1.5
975 43 3.6/1.6 43 3.8/1.6 42 3.2/1.4 42 3.3/1.4
1000 43 3.5/1.5 43 3.6/1.6 43 3.7/1.6 43 3.8/1.7
1025 43 3.3/1.4 43 3.4/1.5 43 3.5/1.5 43 3.6/1.6
1050 44 3.6/1.6 43 3.2/1.4 43 3.4/1.5 43 3.5/1.5
1075 44 3.4/1.5 44 3.5/1.5 43 3.2/1.4 43 3.3/1.4
1100 44 3.3/1.4 44 3.4/1.5 44 3.5/1.5 43 3.2/1.4
ALTITUDE
RANGE
(FT)
AVG GAS
HEAT VALUE
(BTU/CU FT)
SPECIFIC GRAVITY OF NATURAL GAS
0.58 0.60 0.62 0.64
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifold
Pressure
U.S.A.
and
Canada
U.S.A.
Altitudes
2001
to
3000
or
Canada
Altitudes
2001
to
4500
800 42 3.4/1.5 42 3.5/1.5 42 3.6/1.6 42 3.7/1.6
825 42 3.2/1.4 42 3.3/1.4 42 3.4/1.5 42 3.5/1.5
850 43 3.7/1.6 43 3.8/1.6 42 3.2/1.4 42 3.3/1.4
875 43 3.5/1.5 43 3.6/1.6 43 3.7/1.6 43 3.8/1.7
900 43 3.3/1.4 43 3.4/1.5 43 3.5/1.5 43 3.6/1.6
925 44 3.5/1.5 43 3.2/1.4 43 3.3/1.4 43 3.4/1.5
950 44 3.4/1.5 44 3.5/1.5 44 3.6/1.6 43 3.2/1.4
975 44 3.2/1.4 44 3.3/1.4 44 3.4/1.5 44 3.5/1.5
1000 45 3.7/1.6 45 3.8/1.7 44 3.2/1.4 44 3.4/1.5
ALTITUDE
RANGE
(FT)
AVG GAS
HEAT VALUE
(BTU/CU FT)
SPECIFIC GRAVITY OF NATURAL GAS
0.58 0.60 0.62 0.64
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifold
Pressure
U.S.A. Only
3001
to
4000
775 42 3.2/1.4 42 3.3/1.4 42 3.4/1.5 42 3.5/1.5
800 43 3.6/1.6 43 3.8/1.6 42 3.2/1.4 42 3.3/1.4
825 43 3.4/1.5 43 3.5/1.5 43 3.7/1.6 43 3.8/1.6
850 43 3.2/1.4 43 3.3/1.4 43 3.4/1.5 43 3.6/1.5
875 44 3.5/1.5 44 3.6/1.6 43 3.3/1.4 43 3.4/1.5
900 44 3.3/1.4 44 3.4/1.5 44 3.5/1.5 43 3.2/1.4
925 45 3.8/1.6 44 3.2/1.4 44 3.3/1.5 44 3.4/1.5
950 46 3.8/1.6 45 3.7/1.6 45 3.8/1.7 44 3.3/1.4
ALTITUDE
RANGE
(FT)
AVG GAS
HEAT VALUE
(BTU/CU FT)
SPECIFIC GRAVITY OF NATURAL GAS
0.58 0.60 0.62 0.64
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifold
Pressure
U.S.A.
Only
4001
to
5000
750 43 3.6/1.6 43 3.8/1.6 42 3.2/1.4 42 3.3/1.4
775 43 3.4/1.5 43 3.5/1.5 43 3.6/1.6 43 3.8/1.6
800 43 3.2/1.4 43 3.3/1.4 43 3.4/1.5 43 3.5/1.5
825 44 3.4/1.5 44 3.6/1.5 43 3.2/1.4 43 3.3/1.4
850 44 3.2/1.4 44 3.4/1.5 44 3.5/1.5 44 3.6/1.6
875 45 3.7/1.6 45 3.8/1.7 44 3.3/1.4 44 3.4/1.5
900 46 3.7/1.6 46 3.8/1.7 45 3.7/1.6 44 3.2/1.4
925 46 3.5/1.5 46 3.6/1.6 46 3.7/1.6 46 3.8/1.7
* Orifice numbers 43 are factory installed
32