Air-Handling Unit - Carrier 38APS025 Manual

B. AIR-HANDLING UNIT
1. ALL SERVICE VALVES OPEN.
2. ALL PIPING IS PROPERLY CONNECTED.
3. ONLY BLEED PORT TXVS ARE INSTALLED.
CIRCUIT A
TXV MFR
4. TXVS ARE PROPERLY INSTALLED, EQUALIZER LINES PROPERLY
LOCATED, BULBS PROPERLY LOCATED AND INSULATED.
5. LIQUID LINE SOLENOID VALVE(S) ARE NEAR THE EVAPORATOR
AND INSTALLED WITH PROPER FLOW DIRECTION, IF REQUIRED.
6. LIQUID LINE SOLENOID VALVE MANUAL LIFT STEMS DISENGAGED,
IF EQUIPPED.
7. FILTER DRIERS AND SIGHT GLASSES ARE INSTALLED NEAR
THE TXV(S).
8. EVAPORATOR FANS ARE TURNING IN THE PROPER DIRECTION.
9. THE FAN AND MOTOR PULLEYS OF THE INDOOR FAN HAVE
BEEN CHECKED FOR PROPER ALIGNMENT.
10. FAN BELTS HAVE THE PROPER TENSION.
11. EVAPORATOR FAN STATUS SWITCH(ES) INSTALLED.
12. EVAPORATOR FAN STATUS SWITCH(ES) OPERATIONAL.
13. WATER HAS BEEN PLACED IN THE DRAIN PAN TO CONFIRM PROPER
DRAINAGE.
14. AIR FILTERS HAVE BEEN INSTALLED.
15. VERIFY PROPER EVAPORATOR CFM.
C. REFRIGERATION CIRCUIT
1. ALL SERVICE VALVES OPEN.
2. ALL PIPING HAS BEEN CHECKED FOR LEAKS WITH A LEAK DETECTOR.
3. LOCATE, REPAIR, AND REPORT ANY LEAKS. _______________________________________________
________________________________________________________________________________________
4. THE SYSTEM HAS BEEN CHARGED WITH THE APPROPRIATE INITIAL
REFRIGERANT CHARGE.
CIRCUIT A PRELIMINARY REFRIGERANT
CHARGE CALCULATION
BASE UNIT, WITH 25 ft (7.6 m)
INTERCONNECTING PIPING
EVAPORATOR COIL
ADDITIONAL PIPING CHARGE, MORE THAN 25 ft
(7.6 m) INTERCONNECTING PIPING
TOTAL PRELIMINARY CHARGE
PART NUMBER
CL-3
CIRCUIT B
TXV MFR
CIRCUIT B PRELIMINARY REFRIGERANT
CHARGE CALCULATION
BASE UNIT, WITH 25 ft (7.6 m)
INTERCONNECTING PIPING
EVAPORATOR COIL
ADDITIONAL PIPING CHARGE, MORE THAN
25 ft (7.6 m) INTERCONNECTING PIPING
lb
TOTAL PRELIMINARY CHARGE
kg
YES NO
NO
YES
NO
YES
PART NUMBER
NO
YES
N/A NO
YES
N/A NO
YES
NO
YES
YES NO
NO
YES
NO
YES
NO
YES
N/A NO
YES
NO
YES
NO
YES
YES NO
NO
YES
NO
YES
NO
YES
kg
lb