CLEARING THE LAST 6 FAULTS:
To clear the stored faults, scroll to the last 6 faults
menu (L6F), enter the menu by scrolling to the right
and hold the “OPTION” key for at least 5 seconds.
Release and a set of 3 dashes will be seen 3 !mes.
This confirms the faults have been cleared.
SETTING UP YOUR SYSTEM:
To change any factory default value, first remove any “call”
from the furnace and allow any fan off delays to finish. (
should be seen on the display.)
Scroll to the selected Menu item by momentarily depressing
the “MENU” key and then depress the “OPTION” key to the
desired se$ng. Then momentarily depress the “MENU” key
again to save the change.
CFM per Ton selec!ons range from 290 – 450
Important:
When applied with zoning or a VSPD outdoor unit,
the CFM/Ton must be set to 400
Gas Hea!ng CFM shown is 2
nd
stage airflow. 1
st
stage
airflow is ~80% of the selected 2
nd
stage airflow and
cannot be adjusted.
Gas hea!ng CFM can be adjusted while the unit is
opera!ng in gas heat mode to enable the technician to
quickly adjust to the manufacturer's suggested heat
rise across the heat exchanger.
Mulply the value shown by 10 for actual airflow.
Model Gas Heang CFM [ ]=Default
Upflow
A952V04
0BU3SAC
088 [088], 140, 065, 083
A952V060BU4S 116 [116], 130, 099, 109
A952V080BU4S 126 [126], 133, 146, 120
A952V080CU5SAC 145 [145], 156, 208, 119
A952V100CU5S 206 [206], 215, 159, 198
A952V120DU5S 195 [195], 225, 156, 185
Downflow
A952V040BD3S 088 [088], 095, 125, 065
A952V060BD3S 103 [103], 113, 135, 090
A952V080BD4S 133 [133], 148, 120, 126
A952V100CD5S 187 [187], 210, 152, 180
A952V120DD5S 225 [225], 175, 185, 195
Model ODT Opons [ ]= Default
Upflow
A952V040BU3S 3T[3T], 1.5T, 2T, 2.5T
A952V060BU4S 4T[4T], 1.5T, 2T, 2.5T, 3T, 3.5T
A952V080BU4S 4T[4T], 2T, 2.5T, 3T, 3.5T
A952V080CU5S 5T[5T], 3T, 3.5T, 4T, 4.5T
A952V100CU5S 5T[5T], 2.5T, 3T, 3.5T, 4T, 4.5T
A952V120DU5S 5T[5T], 3T, 3.5T, 4T, 4.5T
Downflow
A952V040BD3S 3T[3T], 1.5T, 2T, 2.5T
A952V060BD3S 3T[3T], 1.5T, 2T, 2.5T
A952V080BD4S 4T[4T], 2T, 2.5T, 3T, 3.5T
A952V100CD5S 5T[5T], 2.5T, 3T, 3.5T, 4T, 4.5T
A952V120DD5S 5T[5T], 3T, 3.5T, 4T, 4.5T
Note:
Do not adjust COF above 50%.
A952V040BU3SAD 088 [088], 120, 065, 083
A952V080CU5SAD 145 [145], 156, 170, 119
IdL
Status Menu
Err
Ac!ve Errors
Ht1 Arf
Example
1
st
stage Gas Heat
Example
800 CFM
E3.4
Example
2
nd
Stage Pressure
Switch Error
E3.1
Example
1 Stage Pressure
Switch Error
L6F
Last 6 Faults
E3.4 E3.1 E04
Example
2
nd
Stage Pressure
Switch Error
Example
1 Stage Pressure
Switch Error
Example
Open Limit Switch
Error
CR
Control Release#
021
Example
So+ware Version #
COd
Cooling Off Delay
00
0
090 180 EH
Example
seconds
Example
Enhanced Mode
ODT
OD Tonnage
3.0
Example
Outdoor Nominal Tonnage
1.5
2.0 2.5
ODU
OD Unit Type
1-1 2-1
Example
COF
Con!nuous Fan
50
75
Example
50% Cooling Airflow
CPC
Cooling CFM
per Ton
350 370
400
Example
CFM per Ton
100 140
180
60
HOD
Heat Off Delay
Example
Seconds
600 900
000 300
ISD
Inter-Stage Delay
Example
Seconds
116 130
099 109
GHC
Gas Hea!ng CFM
Example
2
nd
stage Hea!ng CFM
Control System Menu
2-2
Example
2 stage 1 compressor
Example
2 stage 2 compressors
080
CPH
Hea!ng CFM
per Ton
350 370
400
Exa
m
ple
CFM per Ton
rUn
Run Test Mode
See Run Test Menu
100
25
1 stage 1 compressor
A952V
st
st
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