Installation
1Pitch the liquid lines
2Provide one expansion valve per distributor.
3Slightly pitch the outlet line from the suction header toward the suction
10 feet [1 cm/3 m] in the direction of flow. Use the tube diameter that matches the
4The top of the Circuit 1 suction riser must be higher than the bottom evaporator coil. Use the tube diameter recommended by the condensing unit manufacturer for the riser.
5Arrange the suction line so the refrigerant gas leaving the coil flows downward, past the lowest
6The top of the Circuit 2 suction riser must be higher than the top evaporator coil. Use the tube diameter recommended by the condensing unit manufacturer for the riser.
7Pitch the suction lines slightly— 1 inch/10 feet [1 cm/3
8Insulate the suction lines.
Figure 38. Dual-circuit evaporator coil with two distributors
38 |
|
