Technical information
www.quietside.com 
28 
MH080FXCA4A Quad Zone Heat Pump 
 Outdoor Unit 
Matching Indoor units: MH026FNCA, MH026FECA, MH035FNCA, MH035FECA, MH052FNCA, 
MH052FECA, NJ030MHXCA, NJ035MHXCA, NJ052MHXCA, NJ0261HXCA & NJ0351HXCA 
Power 
Power Voltage : 
208/230V – 1 Ph – 60 Hz 
Control Voltage : 
DC Fuzzy Logic 
Main Breaker Size : 
25 A 
Line Sizes :    
“Liquid” (expanded gas) line 
1/4” 
Suction 
(MH026 & MH035) 3/8” 
(MH052) 1/2” 
ALL LINES MUST BE INSULATED SEPARATELY 
Interconnect Length 
Maximum Combined Length  
225 feet 
Maximum / Minimum Individual Length 
75 / 10 feet 
Vertical lift 
98 feet (Trap required at 26ft) 
(Note condenser can be above or below evaporator) 
Charging   
Unit is charged for  
131 ft (Factory Charge 98.77oz R410A) 
Additional Charge of R410A 
0.11oz/ft over 131ft 
Charge for Combined Line Run lengths 
Length 
25 
45 
65 
85 
105 
131 
150 
175 
200 
Added Charge (oz) 
0 
0 
0 
0 
0 
0 
2.1 
4.8 
5.6 
Interconnecting Wiring 
Gauge 
14 AWG Power, 1(L), 2(N) & 16 AWG Shielded Communication, F1, F2 
Number of Interconnecting Wires 
3x14 AWG Power & 2x16 AWG Control = 5 Total 










