(1) Includes coil, 3 port valve and pipework.
(2) To calculate 3 port valve pressure drop
∆P valve =
2
M
Q
where ∆P = Pressure Drop in kPa, Q = Water Flow Rate in l/s and M =
36
Kv
(3) Fluid 100% water, for glycol use, refer to Ethylene Glycol Correction Factors.