Unitary products group PS8, Installation Manual

Page 1: ...AL POWER 9 TWINNING AND STAGING 11 VENT SYSTEM 13 SAFETY CONTROLS 18 START UP AND ADJUSTMENTS 19 WIRING DIAGRAM 26 LIST OF FIGURES Dimensions 5 Furnace Base Rectangular Perforated Panel 6 Typical Atti...

Page 2: ...all instructions in this manual can result in furnace malfunction death personal injury and or property damage Furnaces for installation on combustible flooring shall not be installed directly on carp...

Page 3: ...e over clear ances for combustible materials where accessibility clearances are greater Installation in a residential garage 1 A gas fired furnace for installation in a residential garage must be inst...

Page 4: ...he total square inch of duct attached to the furnace plenum is 300 8 square inch This exceeds the recommended 280 square inch of duct In this example the duct system attached to the plenum has a suffi...

Page 5: ...above the maximum supply air temperature will cause the heat exchanger to overheat causing premature heat exchanger failure Improper duct sizing dirty air filters incorrect manifold pressure incorrect...

Page 6: ...thout a Cooling Coil Cabinet When installing this appliance the furnace must be installed so as to create a closed duct system the supply duct system must be con nected to the furnace outlet and the s...

Page 7: ...the filter exter nal to the cabinet IMPORTANT Some accessories such as electronic air cleaners and pleated media may require a larger side opening Follow the instruc tions supplied with that accessory...

Page 8: ...ge to the furnace or some of its components that will result in property damage and loss of life FIGURE 6 Gas Valve INLET WRENCH BOSS INLET PRESSURE PORT O N O FF ON OFF SWITCH Shown in ON position MA...

Page 9: ...conversions are required in order for the appliance to satisfactory meet the application An authorized distributor or dealer must make all gas conversions In Canada a certified conversion station or o...

Page 10: ...Figures 13 or 14 Apply strain relief to thermostat wires passing through cabinet If air conditioning equipment is installed use thermostat wiring to connect the Y and C terminals on the furnace contr...

Page 11: ...e mixing device must be installed before any ducts that supply air to occupied spaces Twinning causes both indoor fans to operate simultaneously If a mixing device is not used any ducts that are conne...

Page 12: ...Staging The single wire twinning feature of this board can also be used for stag ing of two furnaces With this feature a single wire is connected between the TWIN terminal on one furnace board to the...

Page 13: ...ted for high altitude operation Refer to SECTION IV GAS PIP ING of these instructions and the proper high altitude application instruction for details VENTING INTO AN EXISTING CHIMNEY For Category I i...

Page 14: ...FAN ASSISTED FURNACE WATER HEATER FAN ASSISTED FURNACES VENT PIPE HOT WATER TANK FURNACE OPTIONAL SIDEWALL VENT SYSTEM field supplied EXTERIOR VENT HOOD FIGURE 20 Typical Sidewall Vent and Terminatio...

Page 15: ...ent sagging The vent system may be supported by the use of clamps or hangers secured to a permanent part of the structure every 4 ft 1 22 m FAN ASSISTED COMBUSTION SYSTEM An appliance equipped with an...

Page 16: ...sub tracting the blockage area of all fixed louvers grilles or screens from the gross area of the opening 2 Apertures in a fixed louver a grille or screen shall have no dimen sion smaller than 0 25 0...

Page 17: ...horizontally from the burner level of the appliance Refer to AIR SOURCE FROM OUTDOORS AND VENT AND SUPPLY AIR SAFETY CHECK in these instructions for additional information and safety check procedure 2...

Page 18: ...he combustion air blower heat exchanger or a blocked vent pipe connection Corrective action is required These are manual reset controls that must be reset before operation can continue CARBON MONOXIDE...

Page 19: ...ngth x 1 8 0 3 cm diameter tubing 1 5 16 0 8 cm tee 1 5 16 0 8 cm x 1 8 3 175 mm reducing coupling 1 1 8 0 3 cm adapter There is a accessory kit 1PK0602 available from Source 1 which has the following...

Page 20: ...divided by the time it took to measure 2 cubic ft 0 0566 m3 of gas from the gas meter For Propane LP Gas multiply the Heat content of the gas MJ m3 or Default 93 14 times 0 00283 m3 of gas measured a...

Page 21: ...e the unit back in operation 3 Adjust manifold pressure by adjusting gas valve regulator screw for the appropriate gas per the following IMPORTANT If gas valve regulator is turned in clockwise manifol...

Page 22: ...turn opening size in square inches to determine the proper filter pres sure drop 3 Determine the External System Static Pressure ESP without the filter 4 Select a filter pressure drop from the table b...

Page 23: ...7 Medium 1470 1450 1440 1430 1390 1360 1310 1270 1220 1150 41 6 41 1 40 8 40 5 39 4 38 5 37 1 36 0 34 5 32 6 Low 1260 1260 1260 1260 1250 1200 1150 1110 1070 1010 35 7 35 7 35 7 35 7 35 4 34 0 32 6 31...

Page 24: ...52 4 48 4 44 5 36 8 Medium Low 1690 1690 1650 1610 1540 1480 1410 1280 1170 1030 47 9 47 9 46 7 45 6 43 6 41 9 39 9 36 2 33 1 29 2 Low 1350 1330 1310 1290 1260 1220 1150 1050 970 860 38 2 37 7 37 1 3...

Page 25: ...s SEE CHART PAGE 6 1PS0302 1PS0311 1PS0312 1BR0314 EXTERNAL BOTTOM RETURN FILTER with High Velocity Filter for Horizontal Application for Upflow Bottom Return Application 14 1 2 CABINETS 1BR0317 17 1...

Page 26: ...035 19656 003 Rev A 1004 26 Unitary Products Group SECTION X WIRING DIAGRAM FIGURE 32 Wiring Diagram...

Page 27: ...035 19656 003 Rev A 1004 Unitary Products Group 27 NOTES...

Page 28: ...e without notice Printed in U S A 035 19656 003 Rev A 1004 Copyright by York International Corp 2004 All rights reserved Supersedes 035 19656 002 Rev A 0704 Unitary 5005 Norman Product York OK Group D...