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INSTALLATION, OPERATION

AND MAINTENANCE MANUAL

INDEX

PAGE

INTRODUCTION ............................................................................................................. 2
WARRANTY ................................................................................................................... 2
RECEIVING THE UNIT ................................................................................................... 3

INSTALLATION

CODES ........................................................................................................................... 3
CLEARANCES ................................................................................................................ 3
LOCATION...................................................................................................................... 4
SUSPENSION MOUNTING ............................................................................................. 4
ASSEMBLY OF TWO - PIECE UNITS............................................................................. 4
COOLING COILS ............................................................................................................ 5
DRAIN TRAPS ................................................................................................................ 5
VENTING ........................................................................................................................ 6

A) SIDE WALL INDIVIDUAL VENT ............................................................................ 6
B) VERTICAL INDIVIDUAL VENT.............................................................................. 8
C) OPTIONAL VERTICAL VENT TERMINAL ............................................................. 9

INSULATION OF SINGLE WALL VENT PIPE.................................................................. 9
COMBUSTION AIR ....................................................................................................... 10
GAS INSTALLATION .................................................................................................... 10
DUCTWORK................................................................................................................. 11
ELECTRICAL INSTALLATION ...................................................................................... 11
COMBUSTION AIR PROVING SWITCH........................................................................ 11
START-UP CHECK LIST............................................................................................... 11

OPERATION

OPERATIONAL CHECK ............................................................................................... 12
OPERATING INSTRUCTIONS ...................................................................................... 13

MAINTENANCE

SET SCREWS .............................................................................................................. 14
LUBRICATION .............................................................................................................. 14
PULLEYS AND BELTS ................................................................................................. 14
FILTERS ....................................................................................................................... 14
CONTROLS .................................................................................................................. 14
FURNACE INSPECTION AND CLEANING .................................................................... 14
SUMMER OPERATION ................................................................................................ 15

Summary of Contents for DH-FP-PV series

Page 1: ...RETAIN INSTRUCTIONS WITH UNITAND MAINTAIN INALEGIBLE CONDITION PLEASE GIVE MODEL NO SERIAL NO WHEN CONTACTING FACTORY FOR INFORMATIONAND OR PARTS FORM PV 8 99 INDOOR POWER VENTED INDIRECT GAS FIRED HE...

Page 2: ...WALL INDIVIDUAL VENT 6 B VERTICAL INDIVIDUAL VENT 8 C OPTIONAL VERTICAL VENT TERMINAL 9 INSULATION OF SINGLE WALL VENT PIPE 9 COMBUSTION AIR 10 GAS INSTALLATION 10 DUCTWORK 11 ELECTRICAL INSTALLATION...

Page 3: ...l ENGINEERED AIR s obligations with respect to this warranty The refrigerant charge is not included in any part of this warranty ENGINEERED AIR shall not be liable to any damage to person or property...

Page 4: ...cial and Local Codes In USA a All gas piping must be installed in accordance with the National Fuel Gas Code ANSI Z223 1 latest edition The local authority having jurisdiction should be consulted for...

Page 5: ...units 1 HB HIGH BOY UNITS a Place heat section on top of fan section so the heat section is 1 2 13 behind the fan section b Carefully slide the heat section forward until the back and sides of the he...

Page 6: ...ed to locate the screws c The unit is now one piece locked together by four sheet metal screws d Pull wires from the motor wire way tube into the fan compartment and connect these wires to motor accor...

Page 7: ...ed 25 The minimum length of vent pipe is 6 One 6 diameter 90 degree elbow is equivalent to four feet of straight pipe Be sure to consider all elbows when planning the vent G All connections between th...

Page 8: ...required for clearance to combustibles 2 Prepare the lengths of flue pipe to be used Be sure to account for the position of the mounting brackets and wall thickness The flue pipe must extend beyond t...

Page 9: ...ter regulator assembly within 3 feet 1m horizontally of the vertical centre line of the regulator iv within 6 feet 1 8 of any gas service regulator vent outlet See Figure 3 for minimum clearances Size...

Page 10: ...Fan Max Column Tables may be found in CAN1 B149 codes 3 Ensure that the only large diameter vent pipe is the vent terminal itself i e the expansion must take place at the vent terminal 4 Ensure the ve...

Page 11: ...ed space Follow CAN1 B149 Code latest addition and any local codes to provide enough air for combustion ventilation and proper venting Clearances must be maintained at all times from the louvred front...

Page 12: ...r solid state devices COMBUSTION AIR PROVING SWITCH The combustion air proving switch is a single pole double throw switch which is activated by differential pressures in the venter blower The switch...

Page 13: ...e readings when compared to each other A 2 voltage difference could cause as much as a 10 current imbalance OPERATION CALL A QUALIFIED SERVICEMAN FOR SERVICE OPERATIONAL CHECK 1 PILOT ADJUSTMENT a FOR...

Page 14: ...on position 3 AIR SHUTTER ADJUSTMENT See instruction label in burner compartment 4 TEMPERATURE RISE Adjust the fan pulley to get the specified temperature rise through the unit 70o F 21EC to 100o F 38...

Page 15: ...e tight on their shafts The fan pulley and motor pulley should be aligned and the belt tightened only enough to prevent slipping Replace a cracked or broken belt 5 FILTERS DISPOSABLE TYPE The air filt...

Page 16: ...burner compartment at least once per year to remove accumulated dust The fan can be removed for cleaning 9 SUMMER OPERATION A manual continuous fan switch is provided on the fan control located in the...

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