Eco Power Equipment IAQH Series, Installation And User Instructions Manual

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IAQH-1000 Manual
Step by Step Commissioning Instruction:
1. Use only 1-1/4” NPT gas pipe, the unit is designed for 10 inH20 or 25 mBar or
2.5 kPa inlet pressure operating under load
2. Seal all connections using a thread joining compound approved for natural gas &
propane
3. Ensure the orifice selector valve, found in figure GT1, Item number 17 is in the
correct position for your selected fuel either natural gas or vapour propane
4. Prior to the first startup, check all connections for leaks:
a. Tighten all fittings
b. Close manifold and pilot manual valves
c. Pressurize system
d. Test connections with soapy water and watch for bubbles,
e. Repair joints and repeat as necessary
5. Set inlet pressure to unit while off, the recommended range of 10-14 inH20
(25-35 mBar). It is important to size your gas regulation and line sizes to match
the volumes of the heater. During operation, the inlet pressure must not drop
below recommended range. See Figure GT1, Item 12.
6. At the main control panel, enter the commissioning password: GASPOWER, then
change the HX Control Loop to manual power mode, by pressing the three dots
in the top right corner of the control loop widget.
7. On the main control panel, select “Fan Delay” to prevent the fans from blowing
during the commissioning process. If they turn on at any point, reselect the “Fan
Delay” button.
8. Purge system:
a. Pressurize system
b. Open the supply tap for 5–10 seconds (item 12). More purge time may
be required depending on the gas system design, sizing, and length of
new installation
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