Trane Axiom GEH-E035, Installation, Operation And Maintenance Manual

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The following steps were sequenced to aid in the
installation and mating of a water side economizer to a
0.5–5 ton horizontal water-source heat pump.
1. Remove the control side service panel of the water-
source heat pump unit.
2. Remove rubber isolation grommets from the
return-air section. Place them in a convenient
location.
3. Attach ducted panel to the water-source heat pump
unit with six factory provided screws. This panel is
shipped loose with the water-source heat pump but
must be field installed to the unit.
Figure 64. Step 3
4. Attach the water side economizing unit to the
ducted panel of the water-source heat pump with
10-factory provided screws. The economizing
package fits to the outside of the of the water-
source heat pump. Trane recommends the mating
of the systems be made via 3-screws spaced evenly
across the top, 3-screws spaced evenly across the
bottom (installed immediately after hanging the
unit), and 2-screws on each side.
N No otte e:: Waterside economizer option is configured for
right return. Left return requires additional field
piping.
Figure 65. Step 4
5. Install the 18-inch steel braided hose between the
upper most piping connection of the economizer,
and the water-in of the heat pump. The hose is
shipped loose with the water-side economizer.
Figure 66. Step 5
6. Install the SUPPLY and RETURN hoses to the:
a. position valve’s threaded connection.
b. water-out threaded connection of the water-
source heat pump.
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