TriangleTube Marquis TWH180, Руководство по установке

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20
Control System
General Description
P920C is a Display Interface with a Liquid Crystal
Display.
It will be used to navigate and to change temperature set
point, and change controller parameters.
Operating Conditions
• Temperature
- Operating Ambient Temperature Range: 50 to
140°F.
- Operating Relative Humidity up to: 90% at
104°F.
- Shipping & Storage Temperature Range of: 0 to
170°F.
• There is one set of DIP switches on the control module
• The number 6,7 DIP switch has to be OFF when
operating the water heater at the normal state.
This unit is only approved for installation up to 10,000ft.
above sea level.
Note:
This water heater may be installed at elevation up to
10,000ft for use with Natural Gas or Propane. To use the
water heater at a specific altitude, Setting in Installer
Mode should be set as describe below.
Above 2,000ft (610m), the water heater will de-rate by
4% for each 1,000ft (305m) of altitude gain.
Figures below are available within range of 2,000 ~4,500
ft (610~1350 m)
CAUTION
High Altitude Setting
Level Value
9:HA
Choose an altitude from the following
four options where water heater is
installed
0~2 0~1,999 ft (0~609m)
2~5 2,000~4,999 ft (610~1,523m)
5~8 5,000~7,999 ft (1,524~2,438m)
8~10 8,000~10,000 ft (2,439~3,048m)
Propane CO Natural Gas CO
3” VENT 2” VENT 3” VENT 2” VENT
100 ~ 300 ppm (Low - High Fire)
High
Altitude
Setting
Firing Rate
Propane CO2 Natural Gas CO2
3”/2” VENT 3”/2” VENT
0~2
Max. fire +/- 0.1% 10.7 10
Min. fire +/- 0.1% 9.7 8.5
2~5
Max. fire +/- 0.1% 10.2 9.1
Min. fire +/- 0.1% 10.3 9.7
5~8
Max. fire +/- 0.1% 10.3 9.1
Min. fire +/- 0.1% 10.4 9.8
8~10
Max. fire +/- 0.1% 10.5 9
Min. fire +/- 0.1% 10.6 9.8
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