Figure C. Air Pressure Chart.
X45 Compressor Pressure Altitude Setpoint
Altitude Feet (m)
0 1000
(305)
2000
(610)
4000
(1219)
3000
(914)
5000
(1524)
6000
(1829)
7000
(2134)
8000
(2438)
9000
(2743)
10000
(3048)
11000
(3353)
12000
(3678)
13000
(3962)
14000
(4267)
15000
(4572)
Air Pressure PSI (kPa)
3.5
(24.1)
4.0
(27.6)
4.5
(31.0)
5.0
(34.5)
5.5
(37.9)
6.0
(41.4)
6.5
(44.8)
7.0
(48.3)
ACCEPTABLE RANGEACCEPTABLE RANGE
For sustained operation above 7000 feet
(2134 m) the compressor must be adjusted
in order to maintain proper combustion.
NOTICE
Figure B.
5. Select the DC Volts range of a multimeter and connect as per
Figure B. The positive lead of the multimeter should be attached to
the positive coil lead. The negative lead of the multimeter should
be attached to the heater chassis.
6. With the heater running in full output (flame on and ignition is
off) read the voltage at the coil to ensure voltage is nominally
12 +/- 1V for 12 V models and 24+/- 1V for 24 V models. Check
air pressure reading using the correct altitude for your location.
7. The reading must be within the range of the shaded area as
shown in figure C.
Copy Part# SB0060, Rev. B, 08/2014 Page 2 of 3
© 2011 Marine Canada Acquisition Inc. DBA SEASTAR SOLUTIONS 3831 No. 6 Road, Richmond, B.C. Canada V6V 1P6 Tel: 604.270.6899 Web: www.proheat.com
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