Carrier 50DL- Manuals

L3 ~r~ L2 LI I I I FIELD POWER SUPPLY MAIN POWER TERMINAL BLOCK IN UNIT CONTROL BOX OR HEATER COMPARTMENT NOTE Subbase not used Fig. 9 — Field Wiring Connections Constant Volume Unit With Energy Management Option Fig. 10 — Field Wiring Connections for 50DL VAV Fig. 11 — Shipping Location — Remote Bo...

Table 2 — Electrical Data — 5ODL044 and 054 MODEL NOMINAL VOLTS-PH-HZ 50DL044 208/230-3-60 VOLTAGE COMPR COMPR OUTDOOR INDOOR EXHAUST RANGE NO. 1 NO 9 FAN FAN FAN HEATERS ruvvcn MOTORS MOTOR MOTOR SUPPLY Min Max RLA LRA RLA LRA Qty FLA Hp FLA Hp FLA kW FLA MCA MOCP* 15 46 0 — — — — 249 300 15 46 0 3...

Table 3 — Electrical Data — 50DL064 MODEL VOLTAGE COMPR COMPR OUTDOOR FAN INDOOR FAN EXHAUST FAN HEATERS POWER NOMINAL VOLTS-PH-HZ RANGE NO. 1 NO. 2 MOTORS MOTOR MOTOR SUPPLY Min Max RLA LRA RLA LRA Qty FLA Hp FLA Hp FLA kW FLA MCA MOCP* 25 75 — — — — 370 400 25 75 3 11 — — 392 450 30 88 — — — — 383...

i (A) HEATING SETBACK (B) COOLING SETUP OR LOCKOUT Fig. 15 — Setback/Setup Module (Partial) 5. Remove cover from thermostat (or from trans­ mitter if a remote sensor is used); note the red diagnostic light-emitting diodes (LED’s). See Fig. 16. 6. To call for cooling, move the thermostat or transmitt...

m As the conditioned space temperature approaches the thermostat’s cooling set point, stages cycle off, last stage first. After all stages of mechanical cooling are off, economizer modulates to minimum position. During the cooling cycle, a discharge air sensor senses discharge air temperature. If di...

Fig. 18 — Removing Return Spring Mechanism STARTING POSITON NOTE POSITION OF RED DOT C E N T E R L I N E ADJUST CAMS O P E R A T I O N A L Each adjustment mark repre­sents 10 degrees of motor rota­tion Use marks and center of cam roller as adjustment guide Loosen operational cam adjust­ ment screw R...

Fig. 20 — Setting the 7-Day Time Clock NOTE: Dial turns clockwise when power is connected and time clock is operating. 2. Hold tripper firmly against the edge of dial and tighten knurled screw by hand. (Do not use pliers.) 3. To set OFF (UNOCCUPIED) operation, use OFF tripper and repeat steps 1 and ...

reading should gradually increase to about 16 VDC. (See Fig. 23.) 5. Move the cooling lever above room temperature. Meter reading should drop to less than 2 VDC. 6. Remove the (+) meter lead from terminal 4 and connect it to terminal 5. 7. Slowly move the heating lever above room tem­ perature to si...

C O M P R E S S O R S U C T I O N P R E S S U R E Fig. 27 — Charging Chart; 50DL064, System 1 and System 2 Table 5 — Indoor Air Fan Pulley Data UNIT 50DL FAN RPM MOTOR PULLEY FAN PULLEY SINGLE­ SPEED BELT NO.-SIZE TWO- SPEED BELT NO - SIZE No Grooves - Type - In. mmmm i 9 9 1 Ì 3 - 3 V - 6 . 0 ! 3 -...

Table 6 — Indoor Air Fan Data UNIT 50DL EXTERNAL STATIC PRESSURE (in. wg) CFM 0.20 0 40 0.60 0.80 1 00 1.20 1. 40 1. 60 1.80 Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp 8,000 467 1 22 546 1 61 628 2 12 705 2 66 774 3 24 839 3 85 900 4 47 956 5 09 1010 5 72 9,000 508 1 65 ...

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# For replacement items use Carrier Specified Parts Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Book 1 Tab 1b Form50DL-1SI New Printed in U S A 288 6-83 PC 111 Catalog No 565-020