Nordyne Outdoor Heat Pump T3BN - Manual (Page 12)

12
REFRIGERANT CHARGING CHART
Heating Mode of Operation
PR
OCEDURE FOR CHARGING 10-T
ON HEA
T PUMP IN HEA
TING MODE.
1.
Ev
acuate the refr
iger
ant system.
2.
Charge the system b
y
w
eighing in 30 lbs R-22 refr
iger
ant.
This is the recommended charge f
or 5/8 inch 15 f
oot line set.
F
or line sets other than 15 f
eet add 9.0 oz.
R-22 per additional 5 f
eet of 5/8 inch liquid line o
v
er 15 f
eet and remo
v
e
9.0 oz
per 5 f
eet less than
15 f
eet of liquid line
.
3.
Ensure that the unit is oper
ating proper
ly per the heating functional chec
k
out in these installation instr
uctions
.
7.5
T
o
n
OUTDOOR
TEMPERA
TURE (DEG.
F)
0
1
0
2
03
04
0
5
0
6
0
Suc.
Liquid
Disc
h.
Suc.
Liquid
Disc
h.
Suc.
Liquid
Disc
h.
Suc.
Liquid
Disc
h.
Suc.
Liquid
Disc
h.
Suc.
Liquid
Disc
h.
Suc.
Liquid
Disc
h.
Press
Press.
T
emp.
Press.
Press.
T
emp.
Press.
Press.
T
emp.
Press.
Press.
T
emp.
Press.
Press.
T
emp.
Press.
Press.
T
emp.
Press.
Press.
T
emp.
19
134
135
20
140
135
21
146
136
22
152
136
32
162
157
51
199
198
61
248
179
20
141
133
21
146
133
22
151
134
23
156
134
33
169
154
52
206
193
62
255
185
21
148
131
22
152
131
23
156
132
24
160
132
34
176
151
53
213
189
63
262
191
22
155
129
23
158
129
24
160
130
25
163
130
35
183
148
54
220
184
64
269
198
23
162
127
24
163
127
25
165
128
26
167
128
36
190
146
55
227
180
65
276
204
24
169
125
25
169
125
26
170
126
27
171
126
37
197
143
56
234
175
66
283
210
25
176
123
26
175
123
27
175
124
28
174
124
38
204
140
57
241
171
67
290
216
*Note:
All pressures are listed in psig.
and all temper
atures in deg.
F
.
- Shaded Bo
x
es indicate fl
ooded conditions
- Rated Design
V
alues
. Suction Pressure will be lo
w
er than design
v
alue if indoor air fl
o
w
, enter
ing dr
y b
ulb
, or enter
ing w
et b
ulb
temper
atures are lo
w
er than design.
- Discharge temper
atures g
reater than char
ted v
alues indicates a
refr
iger
ant undercharge
.