Trane Axiom EXHF006 Installation, Operation And Maintenance Manual page 40

I I n n s s t t a a l l l l a a t t i i o o n n
Figure 36. Step 6
7. Verify the control board for the water side
economizer is located at the back of the control box.
The temperature rating of this board is factory set
to 55ºF.
For units with boilerless (electric heat) control and
water side economizer, the boilerless control board
is factory set to 45ºF.
Figure 37. Step 7
8. Thread the bulb and wire through the low voltage
hole of the water-source heat pump. Refer the
figure below.
40
Figure 38. Step 8
9. Wire-tie the sensor to the water SUPPLY side of the
piping (ON, or BEFORE) the 2-position valve. Refer
the figure below.
Figure 39. Step 9
10. Bundle excess sensor wire, and wire tie the bundle
neatly. Refer the figure below.
WSHP-SVX014F-EN