D
–EIMAC01905-23_00EN - 21/53
EWFH-TZD
OAT
Outside ambient air temperature
ELWT
Evaporator leaving water temperature
Ref 1
Operation with ELWT < 4 °C requires Option 08 (brine) and glycol
Ref 2
Operation with ELWT > 18 °C requires Option 187 (high evaporator leaving water temperature)
Ref 3
Operation requires option 142 (High ambient temperature kit)
The charts shown in these pages constitute a guideline on operating limits in the range.
Refer to the CSS selection software
for the actual operating limits in the working conditions for each model.
Fig. 14
– EWFH-TZD Blue and Silver unit envelope
Fig. 15
– EWFH-TZD Gold and Platinum unit envelope