Page 2 - CAUTION; Step; Table 1—Minimum Mounting Pad Dimensions; UNIT SIZE
CLEARANCES FOR SERVICE AND AIRFLOW. ALLOW 6 IN. ABOVE UNIT. T SIN. i 1-6 TOP VIEW ,1 B'i i COMP r ' i \ V J* ' - - ' ~UU LfCr 3FT J l HIGH VOLTAGE 1-1/8' DIA. A90304 UNIT SIZE A B C In. (mm) In. (mm) In-. (mm) 018—036 10 16 406.4 36-15/16 938.2 23-7/16 595.3 036 30 18-7/16 468.3 44-9/16 1131.9 30-1/...
Page 3 - Step 5—Make Piping Connections; Table 2—Refrigerant Charge; powgPi S; EH ÜI; £LA; PER I; nstallation; SFR; Fig. 3—Unit Rating Piate; A CAUTION
A CAUTION DO NOT BURY MORE THAN 36 IN. (914mm) OF REFRIGERANT TUBING IN GROUND. If any section of tubing is buried, there must be a 6-in.(152mm) vertical rise to the valve connections on the outdoor unit. If more than the recommended length is buried, refrigerant may migrate to cooler buried sectio...
Page 4 - A WARNING; Fig. 6—Line Power Connections; Step 7—Install Electrical Accessories
NOTE: Unit is shipped with R-22 factory holding charge indi cated on unit rating plate. TYPE A A90287 TYPE B A90300 Fig. 5—AccuRater® (Bypass Type Component) Step 6—Make Electrical Connections Be sure field wiring complies with local and national fire, safety and electrical codes, and voltage to sy...
Page 5 - SYSTEMS WITHOUT OUTDOOR THERMOSTATS; Fig. 7—Typical Circuit Connections; ik; Step 9—Refrigerant Charging; Table 4—Superheat Charging Table
SYSTEMS WITHOUT OUTDOOR THERMOSTATS Thermostat Indoor Outdoor Subbase ^ . , Splice Terminal Connection Board Thermostat Subbase Terminal Board Terminal Board D VWTH FF1A, 40nc FAN COIL USED WITH FD3A, FB4A. FB5A. FK4A, 40AQ, 40DQ, 40QBAÎH OR 40YAWYZ ! V FIELO SPLICE SYSTEMS WITH ONE OUTDOOR THERMOST...
Page 6 - Table 5—Required Suction Tube Temperature (F); CARE AND MAINTENANCE
6. Using Table 4, find air temperature entering outdoor coil and wet-bulb temperature entering indoor coil. At this intersection note the superheat. A CAUTION To prevent personal injury, wear safety glasses and gloves when handling refrigerant. Do not overcharge system. This can cause compressor flo...
Page 7 - Table 6—Heating Check Chart
Table 6—Heating Check Chart (HIGH PRESSURE AT ! HEATING OPERATION PRESSURE TABLE, FIXED RESTRICTOR Unit 38QRA Indoor D 17 Bulb Temp (F) Outdoor Temperature (F) Dry Bulb 60 50 40 30 20 10 0 018 60 High 231.0 208.3 185.6 174.2 162.8 151.4 140.0 Low 80.4 70.6 60.8 53.7 46.6 39.5 32.4 Suction 66.8 57.9 ...
Page 8 - Table 6—Heating Check Chart Cont’d
Table 6—Heating Check Chart Cont’d HEATING OPERATION PRESSURE TABLE, FIXED RESTRICTOR Unit 38QRA Indoor Dry Bulb Temp (F) Outdoor Temperature (F) Dry Bulb 60 50 40 30 20 10 0 048 60 High 273.5 239.3 205.2 170.0 170.0 170.1 170.1 Low 82.9 71.3 59.7 47.7 42.2 36.6 30.9 Suction 68.3 57.6 47.0 36.0 31.8...