Reznor JS4BD (3ph) Unit Installation Manual - Manual

Split SyStem air conditioner
inStallation inStructionS
do not deStroy. pleaSe read careFully & Keep in a SaFe place For Future reFerence.
important
attention inStallerS:
it is your responsibility to know this product better than your customer. this includes being
able to install the product according to strict safety guidelines and instructing the customer on
how to operate and maintain the equipment for the life of the product. Safety should always be
the deciding factor when installing this product and using common sense plays an important
role as well. pay attention to all safety warnings and any other special notes highlighted in the
manual. improper installation of the furnace or failure to follow safety warnings could result in
serious injury, death, or property damage.
these instructions are primarily intended to assist qualified individuals experienced in the
proper installation of this appliance. Some local codes require licensed installation/service
personnel for this type of equipment. please read all instructions carefully before starting the
installation. return these instructions to the customer’s package for future reference.
S4Bd Series - 036, 048, & 060 (3, 4, & 5 ton models)
13 Seer, 3-phaSe
important SaFety inFormation ................. 2
air conditioner inStallation .................... 3
General Information .............................................. 3
Before You Install this Unit ..................................... 3
Locating the Air conditioner................................... 3
Packaging Removal .............................................. 3
Ground Level ......................................................... 3
Roof Mount............................................................ 3
Connecting Refrigerant Tubing between the
Indoor & Outdoor Unit ........................................... 4
electrical Wiring ........................................... 4
Pre - Electrical Checklist ....................................... 4
Line Voltage ........................................................... 4
Grounding ............................................................. 5
Thermostat Low / Voltage Connections ................. 5
Reverse Rotation Verification ................................ 5
Unbalanced 3-Phase Supply Voltage .................... 6
Startup & adjuStmentS ............................... 6
Pre - Start Checklist .............................................. 6
Start-up Procedures .............................................. 6
Air Circulation - Indoor Blower .............................. 6
System Cooling ..................................................... 6
System Heating ..................................................... 6
Refrigerant Charging ............................................. 7
Charging the Unit in AC Mode with
Outdoor Temperatures Above 55° F ...................... 7
air conditioner maintenance .................... 7
charging taBleS & chartS .......................... 8
Table 3. Charging Table for 3 Ton Units ............... 9
Table 4. Charging Table for 4 Ton Units ............... 9
Table 5. Charging Table for 5 Ton Units ............. 10
Figure 2. Charging Chart for 5 Ton Units ........... 10
electrical diagramS & taBleS ................ 11
Figure 3. Wiring Diagram for 3, 4, & 5 Ton ........ 11
inStall. / perFormance checKliSt ......... 12
replacement partS ...................................... 12