KDB-GOM
Series
- 43 -
5. Gas piping connections
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The heating water supply piping should be 3/4". An isolation (ball-type) valve should be installed before the piping is
connected to the units.
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Black iron piping or 3/4" flexible connector (approved by the local authorities for gas) should be used for gas piping.
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Do not use Teflon tape for gas pipe connections.
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Install a gas drip leg at the unit.
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Gas piping should be kept at the required distance away from any electric lines and the main service panel(check
with local authorities).
Items Distance (mm)
1. Distance from electric lines 150
2. Distance from electric heaters and electric panels 600
3. Distance from flue pipes and outlets 300
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Install the ball valve(cut-off valve) before connecting the gas piping to the unit (Allow space for the lever’s full
movement, install valve as close to the units as possible).
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After the gas pipe has been completed, all connections must be checked with soapy water.
Note!
- Do not test for
gas leaks by pumping air-pressure into the line without first disconnecting the gas line to the unit. Pressuring the
unit will void the manufacturers warranty. Releasing this pressure into the unit will cause immediate and severe
damage to the gas valve and its internal pressure regulating device and could result in property damage and/or
personal injury.
6. Installation of the room thermostat
6.1 Choosing the Best Location
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Never locate the thermostat near or above a heat producing source(lamp, TV, fireplace, radiator, direct sunlight,
etc.).
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Never locate in areas with drafts(stairwells, vestibules, foyers, against an outside/exterior wall, etc.).
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Never locate in a room, which will be shut-off from the other living areas of the home.
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On multi-story homes, locate thermostat on the ground floor.
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Install at a height of about 1.2M to 1.5M above the floor.
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Keep out of reach from children.
6.2 Installation
1. Remove the back plate from the FR-5 thermostat by grasping the faceplate with one hand and sliding the back plate
downward with the other hand.
2. Pull the thermostat wire through the back plate.
3. Connect 2(orange colored/stranded) wires from unit to the 2 screws located on the FR-5 thermostat.
Consult with your gas provider to determine the proper diameter of gas pipe. This will vary due to
input capacity, the number of elbows and length of pipe.
[On Hollow Plaster or Drywall]
[On Recessed Outlet]
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