SPX Cooling Technologies MARLEY MH MHF702 User Manual page 19

Note
Operation
Coil Volume
Model
MHF702__061
MHF702__081
MHF702__101
MHF702__121
MHF702__062
MHF702__082
MHF702__102
MHF702__122
MHF703__061
MHF703__081
MHF703__101
MHF703__121
MHF703__062
MHF703__082
MHF703__102
MHF703__122
MHF704__061
MHF704__081
MHF704__101
MHF704__121
MHF704__062
MHF704__082
MHF704__102
MHF704__122
When the use of industrial antifreeze solutions is not possible, the system
must be operated to meet both of the following conditions.
1. Maintain sufficient flow rate through the coil.
2. Maintain sufficient heat load on the process fluid. Fluid exiting the
coil must be maintained at or above 7°C. Cycling of the recirculation
pump should not be used to control process temperatures.
Draining the coil is not acceptable as a normal method of freeze
protection—draining promotes corrosion inside the coil tubes. Drain-
ing is acceptable in an emergency if the coil is not protected by an
antifreeze solution.
It is recommended that you discuss your freeze prevention options with
your local Marley sales representative.
Model
Liters
246 MHF705__061
322 MHF705__081
397 MHF705__101
473 MHF705__121
284 MHF705__062
379 MHF705__082
454 MHF705__102
568 MHF705__122
322 MHF706__061
435 MHF706__081
530 MHF706__101
644 MHF706__121
379 MHF706__062
492 MHF706__082
625 MHF706__102
757 MHF706__122
606 MHF707__061
795 MHF707__081
984 MHF707__101
1173 MHF707__121
719 MHF707__062
946 MHF707__082
1192 MHF707__102
1420 MHF707__122
Coil Volume
Liters
890
1192
1476
1760
1079
1438
1779
2139
1476
1893
2309
2744
1798
2309
2839
3350
1703
2196
2688
3180
2158
2801
3426
4054
19