12
Table 3 – Required Charge Adjustment for Indoor Coil Model
F urnace or Fan Coil Model
Number
25VNA824A003 25VNA825A003 25VNA836A003 25VNA848A003
CNPV*36** 0 0 0 N/A
CAP**36** 0 0 0 N/A
CSPH*36** 0 0 0 N/A
FE4A or FV4(A,B,C)NF002 0 0 0 N/A
FE4A or FV4(A,B,C)N(B,F)003 0 0 0 N/A
CNPV*42** 0 0 0 N/A
CAP**42** 0 0 0 N/A
CNPV*48** +0.75 +0.75 +0.75 0
CAP**48** +0.75 +0.75 +0.75 0
CSPH*48** +0.75 +0.75 +0.75 0
FE4A or FV4(A,B,C)N(B,F)005 +0.75 +0.75 +0.75 0
CNPV*60** N/A N/A N/A 0
CSPH*60** N/A N/A N/A 0
CAP**60** N/A N/A N/A +2.2
FE4A or FV4(A,B,C)NB006 N/A N/A N/A +2.2
(53ºC) (56ºC)(47ºC) (50ºC)(42ºC) (44ºC)(36ºC) (39ºC) (58ºC)
Liquid Service Valve Subcooling - For all AHRI listed indoor combinations
CHARGING IN COOLING MODE - 24, 25
13
9
9.5
10
10.5
11
11.5
12
12.5
14
13.5
Outdoor Ambient Temperature ºF (ºC)
SUBCOOLING TEMPERATURE º F
7.2
5.0
5.3
5.6
5.8
6.1
6.4
6.7
7.0
7.8
7.5
SUBCOOLING TEMPERATURE º C
65 70 75 80 85 90 10595 100
Fig. 13 -- Charging in Cooling Mode 25VNA824/25
Fig. 14 -- Charging in Cooling Mode 25VNA836
Fig. 15 -- Charging in Cooling Mode 25VNA848
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