Water-To-Water Unit Controller | 26Greensource CDi Series TW Model
8733954853 (2020/04)Greensource CDi Series TW Model
Subject to change without prior notice
Low-Temperature Loop Application
In applications where fluid temperatures may fall
below 40
° F in a ground water or ground loop
applications using a unit equipped with a Unit
Mounted controller, the freeze stat will need to be
bypassed from the controls circuitry. To
accomplish this, follow instructions below:
1. Locate the connected High Pressure and
Freeze Stat wires labeled A and B, respectively.
(See Fig. 14).
Fig. 14 High Pressure (A) and Freeze Stat (B) Wires
2. Disconnect the yellow wire labeled A and black
wire labeled B. (See Fig. 15)
Fig. 15 Disconnect A and B
3. Locate the connected High Pressure and
Freeze Stat wires labeled D and C,
respectively. (See Fig. 16).
Fig. 16 High Pressure (D) and Freeze Stat (C) Wires
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