47
9.  MPA, MPB and MLA Outdoor Unit 
Connections and Line Set Usage
Outdoor 
Model
No. of 
Zones
Indoor Unit 
Capacity 
(Unit No.)
Line Set 
Required 
(Liquid x Gas)
MPA018S4M
MPB018S4M
IndoorUnitA 
1/4”liq+3/8”gas
IndoorUnitB 
1/4”liq+3/8”gas
1 012 (A)
1
1/4in.x1/2in.
2
009 (A) 1/4in.x3/8in.
009(B) 1/4in.x3/8in.
2
009(B) 1/4in.x3/8in.
012 (A)
1
1/4in.x1/2in.
2
012 (A)
1
1/4in.x1/2in.
012(B)
1
1/4in.x1/2in.
MPA030S4M 
MPB030S4M
IndoorUnitA 
1/4”liq+3/8”gas
IndoorUnitB 
1/4”liq+3/8”gas
IndoorUnitC 
1/4”liq+3/8”gas
1 018 (A)
1
1/4in.x1/2in.
2
009 (A) 1/4in.x3/8in.
009(B) 1/4in.x3/8in.
2
009(B) 1/4in.x3/8in.
012 (A)
1
1/4in.x1/2in.
2
009(B) 1/4in.x3/8in.
018 (A)
1
1/4in.x1/2in.
2
012 (A)
1
1/4in.x1/2in.
012(B)
1
1/4in.x1/2in.
2
012(B)
1
1/4in.x1/2in.
018 (A)
1
1/4in.x1/2in.
2
018 (A)
1
1/4in.x1/2in.
018(B)
1
1/4in.x1/2in.
3
009 (A) 1/4in.x3/8in.
009(B) 1/4in.x3/8in.
009 (C) 1/4in.x3/8in.
3
009(B) 1/4in.x3/8in.
009 (C) 1/4in.x3/8in.
012 (A)
1
1/4in.x1/2in.
3
009 (C) 1/4in.x3/8in.
012 (A)
1
1/4in.x1/2in.
012(B)
1
1/4in.x1/2in.
3
009(B) 1/4in.x3/8in.
009 (C) 1/4in.x3/8in.
018 (A)
1
1/4in.x1/2in.
3
012 (A)
1
1/4in.x1/2in.
012(B)
1
1/4in.x1/2in.
012 (C)
1
1/4in.x1/2in.
1
  3/8 x 1/2 in. gas pipe adaptor is required for line set connection to outdoor unit 
(furnishedwithoutdoorunit).
2
1/4x3/8in.liquidpipeadaptorisrequiredforlinesetconnectiontothe048
outdoorunit(furnishedwithoutdoorunit).
3
1/2x5/8in.gaspipeadaptorisrequiredforlinesetconnectiontothe048outdoor
unit(furnishedwithoutdoorunit).
4
NotavalidcombinationwhenusingtheMPA036S4M.
Outdoor 
Model
No. of 
Zones
Indoor Unit 
Capacity 
(Unit No.)
Line Set 
Required 
(Liquid x Gas)
MPA036S4M 
MPB036S4M
IndoorUnitA 
1/4”liq+1/2”gas
IndoorUnitB 
1/4”liq+3/8”gas
IndoorUnitC 
1/4”liq+3/8”gas
IndoorUnitD 
1/4”liq+3/8”gas
2
009(B)
018 (A)
1/4in.x3/8in.
1/4in.x1/2in.
2 
4
009(B)
024(A)
1/4in.x3/8in.
2,3 
3/8 in. x 5/8 in.
2
012 (A)
012(B)
1/4in.x1/2in.
1
1/4in.x1/2in.
2 
4
012(B)
024(A)
1
1/4in.x1/2in.
2,3 
3/8 in. x 5/8 in.
2
012(B)
1
1/4in.x1/2in.
018 (A) 1/4in.x1/2in.
2
018 (A) 1/4in.x1/2in.
018(B)
1
1/4in.x1/2in.
3
009(B) 1/4in.x3/8in.
009 (C) 1/4in.x3/8in.
009(D) 1/4in.x3/8in.
3
009(B) 1/4in.x3/8in.
009 (C) 1/4in.x3/8in.
012 (A) 1/4in.x1/2in.
3
009(B) 1/4in.x3/8in.
009 (C) 1/4in.x3/8in.
018 (A) 1/4in.x1/2in.
3
009 (C) 1/4in.x3/8in.
012 (A) 1/4in.x1/2in.
012(B)
1
1/4in.x1/2in.
3
009 (C) 1/4in.x3/8in.
012(B)
1
1/4in.x1/2in.
018 (A) 1/4in.x1/2in.
3
009 (C) 1/4in.x3/8in.
018 (A) 1/4in.x1/2in.
018(B)
1
1/4in.x1/2in.
3
012 (A) 1/4in.x1/2in.
012(B)
1
1/4in.x1/2in.
012 (C)
1
1/4in.x1/2in.
3
012 (C)
1
1/4in.x1/2in.
012(B)
1
1/4in.x1/2in.
018 (A) 1/4in.x1/2in.
3
012 (C)
1
1/4in.x1/2in.
018 (A) 1/4in.x1/2in.
018(B)
1
1/4in.x1/2in.
3 
4
012(B)
1
1/4in.x1/2in.
012 (C)
1
1/4in.x1/2in.
024(A)
2,3 
3/8 in. x 5/8 in.
4
009(B) 1/4in.x3/8in.
009 (C) 1/4in.x3/8in.
009(D) 1/4in.x3/8in.
009 (A)
1
1/4in.x3/8in.
1
  3/8 x 1/2 in. gas pipe adaptor is required for line set connection to outdoor unit 
(furnishedwithoutdoorunit).
2
1/4x3/8in.liquidpipeadaptorisrequiredforlinesetconnectiontothe048
outdoorunit(furnishedwithoutdoorunit).
3
1/2x5/8in.gaspipeadaptorisrequiredforlinesetconnectiontothe048outdoor
unit(furnishedwithoutdoorunit).
4
NotavalidcombinationwhenusingtheMPA036S4M.