Hot water coil, Down flow units only | Trane TSH 060, TSD guide

Unit Options

Hot water coil

(Down flow units only)

In order to prevent water to freeze up in the coil during unoccupied period or shutdown limited period, a thermostat opens when there is a risk of freeze-up. The services of a water treatment specialist are recommended if water used can cause scaling deposits or erosion. Insulate all the water piping likely to be exposed to freezing temperatures in order to avoid freeze up of the coil and heat losses. The water distribution network must be fitted with vents in places where air is likely to be trapped.

The hot water coil is factory mounted in the discharge section. Two holes are provided to connect the hot water coil. They are located at the base of the unit. Remove the central panel to access the coil, using an 8 mm wrench (the bolts are located on the bottom part of the panels). The tubes for entering and leaving water are equipped with a threaded female connector.

Water connection inlet/outlet: 1 ¼" ISO R7.

Installation and connection

In order to prevent water to freeze up in the coil during unoccupied period or shutdown limited period, it is recommended to use ethylene glycol. The services of a water treatment specialist are recommended if water used can cause scaling deposits or erosion. Insulate all the water piping likely to be exposed to freezing temperatures in order to avoid freeze up of the coil and heat losses. The water distribution network must be fitted with vents in places where air is likely to be trapped.

Table 43 - Ethylene glycol percentage

Ethylene glycol

percentage

Freezing point

Figure 26 - Hot water coil connections

(%)(°C)

10-4

20-10

44	RT-SVX20A-E4

TSD, TSH 060 specifications

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