Trane GEV, GEH manual Installation Waterside Economizer, Step

Installation Waterside Economizer

8Thread the bulb and wire through the low voltage hole of the water- source heat pump.

Step 8

9Wire-tie the sensor to the water SUPPLY side of the piping (ON, or BEFORE) the 2-position valve.

Step 9

10Bundle excess sensor wire, and wire tie the bundle neatly.

11Thread the valve’s wire lead through the low voltage hole of the heat pump.

Step 11

12Wire the valve to the terminal strip according to the unit wire diagram located on the service control panel.

RED = 1TB1-14

BLK = 1TB1-18

WHT = 1TB1-15

13Bundle excess valve wire, and wire tie the bundle neatly.

14 Install control side service panel.

15Install the six hanging isolation grommets into the hanging brackets The unit isolators were located in the return-air section of the unit. See Step 2. Isolators for the economizing package are located with the economizer.

Step 15

16Insulate the economizing piping package and the supply/return/ by-pass hoses (3-hoses) via field provided pipe insulation. Insu- lating the piping will stop con- densation from forming on the pipe and dripping onto the ceil- ing tiles.

Note: Trane does not provide in- sulation on the economizing piping package. This insulation must be field provided and field installed.

17Install filter rack (top and bottom) to the economizing package. The filter rack is located in the unit’s packaging along with the filter.

18Hang Unit. See page 51 for hang- ing of the packaged unit. Bottom screws referenced in step 4 must be installed at this time.

Step 10

Step 13

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