Carrier 38BYW Installation And Start-Up Instructions Manual Download

Page: 12 / 12

38byw1si

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

Book 1

Tab

5a 5a

PC 101

Catalog No. 563-830

Printed in U.S.A.

Form 38BYW-1SI

Pg 12

1-98

Replaces: NEW

Summary of Contents for 38BYW

Page 1: ...installation of equipment 1 Locate unit away from windows 2 Ensure that vapor and liquid tube diameters are appropriate to capacity of unit 3 Run refrigerant tubes as directly as possible by avoiding...

Page 2: ...per local climate and code requirements to provide clearance above estimated snowfall level and ensure adequate drainage of unit Step 6 Check Defrost Thermostat Check defrost thermostat to ensure it...

Page 3: ...alve To prevent damage to unit or service valves observe the following Use a brazing shield Wrap service valves with wet cloth or use a heat sink material Connect outdoor unit to indoor sections using...

Page 4: ...th CONNECT GROUND AND POWER WIRES Connect ground wire to ground connection in control box for safety Connect power wiring to contactor as shown in Fig 9 CONNECT CONTROL WIRING Route 24 v control wires...

Page 5: ...ling On a call for cooling thermostat makes circuits R O R Y and R G Circuit R O energizes reversing valve switching it to cooling position Circuit R Y energizes contactor starting outdoor fan motor a...

Page 6: ...deline For buried line applications refer to Residential Split System Buried Line Application Guideline Required for Low Ambient Controller full modulation feature and MotorMaster Control only Fig 10...

Page 7: ...NOT USED 24 VAC COM NOT USED TROUBLE OPTIONAL OUTDOOR SENSOR CONNECTION JW1 A97540 24 VAC HOT R G W W1 Y Y2 Y Y2 Y1 W2 R DH RVS COOLING C B L S1 S2 Y W2 CARRIER PROGRAMMABLE THERMOSTAT MODEL 2S FK4C...

Page 8: ...4 VAC COM HEAT STAGE 2 CUT JW1 SHR SHR FA FB FC FH FAN COIL SMART HEAT ODT A97410 24 VAC HOT R C Y G O RVS COOLING W2 OTHER HP THERMOSTAT FA FB FC FH FAN COIL SMART HEAT HEAT PUMP E R C Y G O W2T W3 W...

Page 9: ...NALS MUST BE PRESENT 8 Y1 AND O CONNECTIONS TO 2 STAGE FURNACES MAY NOT EXIST OR MAY ONLY BE A WIRE RATHER THAN A SCREW TERMINAL Fig 13 Typical 24 v Circuit Connections using Carrier Model DF Thermost...

Page 10: ...10...

Page 11: ...oduct theory and skills programs is available using popular video based formats and materials All include video and or slides plus companion book Classroom Service Training plus hands on the products...

Page 12: ...46231 38byw1si Manufacturer reserves the right to discontinue or change at any time specifications or designs without notice and without incurring obligations Book 1 4 Tab 5a 5a PC 101 Catalog No 563...

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