MTS Hydraulic Power Unit Model 506-92 - Manual (Page 37)

Installation 4-6
4.3 Cooling Water Connections
Specifications The differential pressure required between the water inlet and outlet
connections is 30 to 45 psid (0.2 to 0.3 MPa). The maximum allowable
water pressure is 120 psi (0.83 MPa). The water supply must be capable of
providing water flow at a rate indicated in Table 1-1. See Table 1-2 for the
maximum cooling water heat load.
Water connections To connect the water supply and drain to the heat exchanger water
connections , use a 1.5 in. (38 mm) water service hose for the 506.82 HPU.
Use a 2 in. (50.8 mm) water service hose for the 506.92 HPU.
water out
water in
hot fluid - from supercharge pump
cold fluid - to low pressure filter
VW-G055
Heat Exchanger – Top View
water
regulating
valve