Voyager 4 Stage Unit Info
4 Stage Unit Thermostat Control
The use of a Thermostat with the 3 compressor-4 stage unit will not allow compliance with Title 24 requirements. Thermostat operation will require the unit function under a different staging sequence than normal zone sensor operation.
Only use for TSTAT control without Economizer or not okay to Economize:
IF 2 STAGE TSTAT: Y1 = COMP 1; Y1+Y2 = COMP1, 2, & 3
IF 3 STAGE TSTAT: Y1 = COMP 1; Y2 = COMP 1 & 2; Y1+Y2 = COMP 1, 2, & 3
|
Tstat |
Econ |
Cmpr 1 |
Cmpr 2 |
Cmpr 3 |
Unit |
Supply |
|
25.0% |
25.0% |
50.0% |
|
|
||
|
Y1 |
NA |
ON |
OFF |
OFF |
25% |
Min |
|
Y2 |
NA |
ON |
ON |
OFF |
50% |
Min |
|
Y1+Y2 |
NA |
ON |
ON |
ON |
100% |
Max |
Only use for TSTAT control with Economizer okay to Economize:
IF 2 STAGE TSTAT: Y1 = ECON; Y1+Y2 = STAGE 3
IF 3 STAGE STAT: Y1 = ECON; Y2 = ECON; Y1+Y2 = STAGE 3
|
Tstat |
Econ |
Cmpr 1 |
Cmpr 2 |
Cmpr 3 |
Unit |
Supply |
|
25.0% |
25.0% |
50.0% |
|
|
||
|
Y1 |
OPEN |
OFF |
OFF |
OFF |
0% |
Min |
|
Y2 |
OPEN |
OFF |
OFF |
OFF |
0% |
Min |
|
Y1+Y2 |
OPEN 100% |
ON |
ON |
OFF |
50% |
Max |
|
Zone Sensor Compressor Staging - 4 Stage Cooling |
||||
|
|
CC1 |
CC2 |
CC3 |
Unit Load |
|
Compressor Displacement |
25% |
25% |
50% |
|
|
Stage 1 |
ON |
OFF |
OFF |
25% |
|
Stage 2 |
ON |
ON |
OFF |
50% |
|
Stage 3 |
ON |
OFF |
ON |
75% |
|
Stage 4 |
ON |
ON |
ON |
100% |
WARNING:
Information in this article is intended for use by individuals possessing adequate backgrounds of electrical and mechanical experience and who comply with all federal, state, and local laws, rules, orders, or regulations related to the installation, service, or repair of a heating or central air conditioning product. Any attempt to install, service, or repair a heating or central air conditioning product may result in personal injury and/or property damage. The manufacturer or seller cannot be responsible for the interpretation of the information contained herein, nor can it assume any liability in connection with its use.