138
3
5 Ton MCHX CIRCUIT A Ch
a
rging Ch
a
rt
All Compre
ss
or
s
on
a
Circ
u
it M
us
t
b
e Oper
a
ting
All O
u
tdoor F
a
n
s
M
us
t
b
e Oper
a
ting
8
5
90
95
100
105
110
115
120
125
1
3
0
1
3
5
140
145
150
55
60
65
70
75
8
0
8
5
90
95
100
105
110
115
120
O
u
tdoor Air Temper
a
t
u
re (deg F)
Sa
t
u
r
a
ted Conden
s
ing Temper
a
t
u
re (deg F)
Red
u
ce Ch
a
rge if A
b
ove C
u
rve
Add Ch
a
rge if Below C
u
rve
S S
T = 4 5 F
S S
T = 5 5 F
S S
T =
3
5 F
3
5 Ton MCHX CIRCUIT B Ch
a
rging Ch
a
rt
All Compre
ss
or
s
on
a
Circ
u
it M
us
t
b
e Oper
a
ting
All O
u
tdoor F
a
n
s
M
us
t
b
e Oper
a
ting
8
5
90
95
100
105
110
115
120
125
1
3
0
1
3
5
140
145
150
155
55
60
65
70
75
8
0
8
5
90
95
100
105
110
115
120
O
u
tdoor Air Temper
a
t
u
re (deg F)
Sa
t
u
r
a
ted Conden
s
ing Temper
a
t
u
re (deg F)
Red
u
ce Ch
a
rge if A
b
ove C
u
rve
Add Ch
a
rge if Below C
u
rve
S S
T = 4 5 F
S S
T = 5 5 F
S S
T =
3
5 F
Fig. 51 — Charging Chart — 48/50A2,A3,A4,A5035 with R-410A Refrigerant
LEGEND
MCHX—
Microchannel Heat Exchanger
SST
—
Saturated Suction Temperature
Summary of Contents for Carrier Weathermaker 48A2
Page 105: ...105 Fig 20 Typical Main Control Box Wiring Schematic 48 50A2 A3 A4 A5 Units...
Page 106: ...106 Fig 21 Typical Auxiliary Control Box Wiring Schematic...
Page 107: ...107 Fig 22 Typical 2 Stage Gas Heat Wiring Schematic Size 060 Units Shown a48 8357...
Page 108: ...108 TO NEXT PAGE Fig 23 Typical Staged Gas Heat Wiring Schematic Size 060 Units Shown A48 7296...
Page 109: ...109 Fig 23 Typical Staged Gas Heat Wiring Schematic Size 060 Units Shown cont A48 8358...
Page 110: ...110 Fig 24 Typical Electric Heat Control Schematic 50 Series Size 060 Units Shown a50 8228...
Page 111: ...111 Fig 25 Typical Power Schematic 48 50A2 A3 A4 A5 060 Unit Shown...
Page 112: ...112 Fig 26 Typical Low Ambient Controls Option Wiring...
Page 113: ...113 Fig 27 Typical Small Chassis Component Location Size 020 035 Units...
Page 114: ...114 Fig 28 Typical Large Chassis Component Locations Size 040 060 Units...
Page 118: ...118 Fig 30 Economizer Control Board ECB1 and VAV Control Board ECB2 A48 7706...
Page 142: ...142 A48 3733 Fig 56 Main Burner Removal...
Page 176: ...176 APPENDIX C VFD INFORMATION cont Fig F Internal Enclosure Fan Replacement A48 7716...
