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RSM-DEV1 Technical Guide
SEQUENCE OF OPERATIONS
Staging
Stage 4 to 5 (A1, B1, and D1 are on; C1 stages on)
• Stage delay has been met.
• Controlling temperature is above the staging window for
cooling or below the staging window for heating.
• A1 resets to recommended start speed (3,600 RPM
Copeland).
• C1 turns on at recommended start speed (3,600 RPM
Copeland).
Stage 5 to 4 (A1, B1, and D1 are on; C1 stages off)
• Stage delay has been met.
• Controlling temperature is below the staging window for
cooling or above the staging window for heating.
• A1 resets to recommended start speed (3,600 RPM
Copeland, 3,000 RPM Danfoss).
•
C1 off.
Stage 4 to 2 (A1 stages off; B1 and D1 are on; C1 is off)
• A1 is at minimum speed.
• Controlling temperature is below the staging window for
cooling or above the staging window for heating.
• Stage delay has been met.
Transitioning
To Dehumidification Mode
•
Stage 1 is not a valid dehumidification stage. If in stage
1, go directly to stage 2
•
Stage 3 is not a valid dehumidification stage. If in stage
3, go directly to stage 5
To Cool/Heat Mode
• Stage 2 is not a valid cool/heat stage. If in stage 2, go
directly to 3.
• Stage 4 is not a valid cool/heat stage. If in stage 4, go
directly to stage 5
