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6

OPERATION 

 

Blower Off Delay reduced from 90 seconds (default) to 5 seconds if DEHUM output is active when cooling call ends.

DEHUMIDIFICATION MODE

Output

Standb

y

Call f

or Cool

Cool ON Dela

y

Cooling/Dehum until Thermostat is Satisfied

Blo

wer Off Dela

y

System Off

Thermostat - DEHUM
Thermostat - Y2
Thermostat - Y1

3 sec

10 min

10 min

10 min

5 sec

Outdoor Compressor

Outdoor Fan

Blower (Cool Speed)
Blower (High Heat Speed)
Blower (Low Heat Speed)

EAC

LED

Green LED – 1 flash

Green LED – 2 flashes

FAN MODE

Output

Standb

y

Call f

or F

an

Fan until Thermostat is Satisfied

System Off

Thermostat – G

Blower (Fan Speed)

EAC

LED

Green LED – Rapid Flash

Summary of Contents for 21V51D-751

Page 1: ...mblies Control Label 8 Wire Nuts Installation Instructions white rodgers com emerson com PART NO 37 7625001 1711 TWINNING 21V51D 751 CANNOT be twinned with any Carrier ICP or ICM brand controls Both c...

Page 2: ...rd Set blower type dipswitch to PSC VS The green DEHUM wire from the VS motor connects to G terminal green wire of A harness if previously connected to G on old style control board Cut the existing sp...

Page 3: ...umper is present NOTE For adaptive cooling operation connect thermostat cool input to Y1 terminal yellow wire of A harness LHT Low Heat Only Adaptive Heating The control can operate a two speed furnac...

Page 4: ...eat stages two stage thermostat LHT Disable 90s 150s 120s 180s Ht Off Dly Ht Off Dly Ht Off Dly Ht Off Dly Low Heat High Heat Cool Cont Fan Speed Cont Fan Speed Cont Fan Speed ECMx SW3 SW2 4 3 2 1 4 3...

Page 5: ...wer Off Delay System Off Thermostat W2 Thermostat W1 15 s 17 19 s 5 s 45 s 15 s 90 120 150 180 High Speed Inducer IND HI Low Speed Inducer IND LO Pressure Switch HPS Pressure Switch LPS Ignitor HSI Se...

Page 6: ...ermostat is Satisfied Blower Off Delay System Off Thermostat DEHUM Thermostat Y2 Thermostat Y1 3 sec 10 min 10 min 10 min 5 sec Outdoor Compressor Outdoor Fan Blower Cool Speed Blower High Heat Speed...

Page 7: ...seconds the ignitor will turn ON for 15 seconds then OFF Blower motor operates on LOW HEAT speed for 10 seconds Blower motor operates on HIGH HEAT speed for 10 seconds Blower motor operates on COOL s...

Page 8: ...y OFF OFF OFF No 120 VAC and 24 VAC Power Control Circuitry Lockout Alternate Alternate Alternate Self Test Mode Active Solid ON Standby Rapid Flash Fan Only Call 1 Call For Low Cool 2 Call For High C...

Page 9: ...rnaise 50V51 751 avec support de montage 3 faisceaux de fils tiquette de la commande 8 connecteurs Directives d installation white rodgers com emerson com No DE PI CE 37 7625001 1711 JUMELAGE La comma...

Page 10: ...eau panneau de commande R gler le commutateur DIP du type de souffleur sur PSC VS Le fil vert DEHUM du moteur VS se branche dans la borne G fil vert du faisceau A s il tait pr alablement branch sur la...

Page 11: ...est r gl sur ON marche REMARQUE Pour le chauffage adaptatif brancher l entr e de de chauffage du thermostat dans la borne W W1 fil blanc du faisceau A R GLAGE DE CAVALIER ACRDJ ON OFF ON Active le co...

Page 12: ...uffage thermostat bi tage LHT Neutraliser 90 s 150 s 120 s 180 s D lai arr t chauff D lai arr t chauff D lai arr t chauff D lai arr t chauff Chauff faible Chauff lev Climatisation Vit vent cont Vit ve...

Page 13: ...uffleur Arr t du syst me Thermostat W2 Thermostat W1 15 s 17 19 s 5 s 45 s 15 s 90 120 150 180 Inducteur grande vitesse IND HI Inducteur basse vitesse IND LO Pressostat HPS Pressostat LPS Allumeur HSI...

Page 14: ...du souffleur Arr t du syst me Programmation du thermostat Thermostat Y2 Thermostat Y1 3 s 10 min 10 min 10 min 5 s Compresseur ext rieur Ventilateur ext rieur Souffleur vitesse de climatisation Souff...

Page 15: ...es puis il s ARR TE Le moteur du souffleur fonctionne vitesse CHAUFFAGE LENT pendant 10 secondes Le moteur du souffleur fonctionne vitesse CHAUFFAGE HAUTE pendant 10 secondes Lemoteurdusouffleurfoncti...

Page 16: ...n alternance En alternance Mode auto test actif Reste ALLUM E En attente Clignotement rapide Commande de ventilateur seulement 1 Commande de climatisation lente 2 Commande de climatisation rapide 3 So...

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