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ECA Minimum Position Adjustment
During the economizer step (step 2 of test mode), the "Min pos" on the ECA Module is disabled. It
can only be adjusted during step 1 of the test when the fan is on.
Frostat Input
J7-1, J7-2 on RTOM - if this input closes indicating a frosted suction line, the compressors will not
run during the TEST MODE. No diagnostic will be seen.
Table 12. Electric/Electric Units 3-25 Ton
Step
Mode
1
Fan On
2*
Econ.
3
Cool 1
4
Cool 2
5
Cool 3
6*
Reheat
7*
Heat 1
8*
Heat 2
* With Optional Accessory
** "Off" if OAT falls below 60°F, "On" if OAT rises above 65°F. During Reheat, if the unit is configured with 1 compressor, ODM2 is "Off" if the OAT falls below 70°F,
"On" if the OAT rises above 75°F.
1. CPR2 ON during Cool 1 if configured for 3-Step Cooling; CPR1 OFF.
2. CPR2 OFF during Cool 2 on a 3-Step Cooling unit.
Steps for optional accessories and modes not present in unit will be skipped.
Table 13. Voyager and Precedent Heat Pump Units 3-25 Ton
Step
Mode
IDM
1
Fan On
On
2*
Econ.
On
3
Cool 1
On
4
Cool 2
On
5
Cool 3
On
6
Heat 1
On
7*
Heat 2
On
8*
Heat 3
On
9*
Heat 4
On
10***
Defrost
On
11
Em Heat
On
* With Optional Accessory
** "Off" if OAT falls below 60°F, "On" if OAT rises above 65°F.
*** Defrost cycle in test mode runs for at least 1 minute, up to 10 minutes, depending on outdoor ambient and outdoor coil temperature.
1. CPR2 ON during Cool 1 if configured for 3-Step Cooling; CPR1 OFF.
2. CPR2 OFF during Cool 2 on a 3-Step Cooling unit.
3. CPR2 OFF during Heat 1 if configured for 2-Step mechanical heating.
4. HT1 OFF during Heat 2 if the unit is configured for 2-Step mechanical heating.
5. HT2 OFF during Heat 3 if the unit is configured for 2-Step mechanical heating.
Steps for optional accessories and modes not present in unit will be skipped.
RT-SVD03G-EN
IDM
Econ
CPR1
On
Min
Off
On
Open
Off
On
Min
On
On
Min
On
On
Min
On
On
Min
On
On
Min
Off
On
Min
Off
Econ
CPR1
Min
Off
Open
Off
Min
On
Min
On
Min
On
Min
On
Min
On
Min
On
Min
On
Min
On
Min
Off
CPR2
HT1
Off
Off
Off
Off
On(1)
Off
On(2)
Off
On
Off
On
Off
Off
On
Off
On
CPR2
HT1
HT2
Off
Off
Off
Off
Off
Off
On(1)
Off
Off
On(2)
Off
Off
On
Off
Off
On(3)
Off
Off
On
On(4)
Off
On
On
On(5)
On
On
On
On
On
On
Off
On
On
ReliaTel Test Mode
HT2
ODM1
ODM2
Off
Off
Off
Off
Off
Off
Off
On
**
Off
On
**
Off
On
**
Off
On
**
Off
Off
Off
On
Off
Off
SOV1
ODM1
Off
Off
Off
Off
On
On
On
On
On
On
Off
On
Off
On
Off
On
Off
On
On
Off
Off
Off
ODM2
Off
Off
**
**
**
On
On
On
On
Off
Off
51
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Troubleshooting
