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Installation and Service Manual

“IHR/ISHR/HR/R” SERIES

INDOOR/OUTDOOR SYSTEMS

Supplement to “RD” Series Rooftop

Gas Duct Furnace Manual, ISHRDV-1

Notice

Read These Instructions Before Installation

Inspect unit on arrival for any shipping damage. This unit
has been test fired for at least 15 minutes to prove out all
phases of operation. If any part is missing or damaged,
notify the carrier at once.

TABLE OF CONTENTS

Page

(IH) (ISH) (H) RHF (IH) (ISH) (H) RMU and ((IH (ISH) (H) RHV Unit Dimensions.....................

1-2

(H) RHF and (H) RHV Unit Dimensions with Optional Intake and Discharge
Plenums and Curbs……………………………………………………………...........................

2-3

(H) RMU and (H) RHV Unit Dimensions with Optional Discharge
Plenums and Curbs………………………………………………………………........................

4-5

Shipping………………………………………………………………………………………………….

Hoisting Unit…………………………………………………………………………………………….

Installation……………………………………………………………………………………………….

Electrical…………………………………………………………………………………………………

Location…………..……………………………………………………………………………………...

7-8

Gas Supply Piping……...………………………………………………………………………………

Operation of Mechanical Modulating Valve………………………………………………………….

Operation of Electronic Modulating Valve……………………………………………………………

Maintenance……………………………………………………………………………………………

12-13

ISIRHS-1

April 2008

Содержание HR SERIES

Страница 1: ...on If any part is missing or damaged notify the carrier at once TABLE OF CONTENTS Page IH ISH H RHF IH ISH H RMU and IH ISH H RHV Unit Dimensions 1 2 H RHF and H RHV Unit Dimensions with Optional Intake and Discharge Plenums and Curbs 2 3 H RMU and H RHV Unit Dimensions with Optional Discharge Plenums and Curbs 4 5 Shipping 5 Hoisting Unit 5 Installation 6 Electrical 6 Location 7 8 Gas Supply Pipi...

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Страница 6: ... ISH H RHVA 210 1285 IH ISH H RHFA IH ISH H RMUA IH ISH H RHVA 250 1560 IH ISH H RHFA IH ISH H RMUA IH ISH H RHVA 300 1625 IH ISH H RHFA IH ISH H RMUA IH ISH H RHVA 400 1840 IH ISH H RHFA IH ISH H RMUA IH ISH H RHVA 600 3350 IH ISH H RHFA IH ISH H RMUA IH ISH H RHVA 800 3880 IH ISH H RHFB IH ISH H RMUB IH ISH H RHVB 200 1445 IH ISH H RHFB IH ISH H RMUB IH ISH H RHVB 250 1525 IH ISH H RHFB IH ISH H...

Страница 7: ...losion loss of warranty or even death Installation of this appliance must conform to applicable federal state and local codes and regulations and with guidelines established by A G A American Gas Association NFPA National Fire Protection Association N E C National Electrical Code the National Board of Fire Underwriters and CAN CGA B149 Listed are the codes appearing in this text the Associations a...

Страница 8: ... in other sections such as offices and shops connected with hangar and in public garages Also the heaters must be so located that they will be protected from damage by aircraft cranes scaffolding etc and must be accessible for servicing and adjustment Standard ANSI NFPA 88 Latest revisions specifies that the heater must be so located that the clearance to combustible materials conform with NFPA No...

Страница 9: ...from or 1 foot above any door window or gravity air inlet into any building At least 1 foot above grade or at least 1 foot above the normally expected snow accumulation level Directed such as to not jeopardize people At least 4 feet from electric meters gas meters regulators and relief equipment Sealing or shielding of exposed surfaces with a corrosion resistant material may be required to prevent...

Страница 10: ...c pressure drop schedule 40 pipe and fittings TABLE III Input in 1000 s BTU Hr Maximum Distance from Meter Natural Propane 50 feet 100 to125 100 feet 1 60 feet 1 150 to 175 100 feet 1 1 30 feet 1 120 feet 1 1 200 to 250 250 feet 1 1 75 feet 1 1 300 200 feet 1 1 50 feet 1 1 400 to 420 100 feet 1 1 35 feet 1 1 500 80 feet 1 1 300 feet 2 2 50 feet 1 1 600 200 feet 2 2 30 feet 1 1 800 125 feet 2 2 80 ...

Страница 11: ...ell Modusnap Valve Model Size 400 Temperature Settings of Controls Modusnap Valve TL and DC TL SET THIS CONTROL TO 110 DEGREES THERE IS NO OTHER SETTING ADJUSTMENT This control is to protect the modusnap valve bulb from exceeding 120 degrees DC SET THIS CONTROL TO 2 TO 3 DEGREES ABOVE MODUSNAP VALVE SETTING MODUSNAP VALVE SET THIS CONTROL 2 TO 3 DEGREES ABOVE ROOM THERMOSTAT SET POINT This is to a...

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Страница 13: ...the discharge air sensor Maintenance 1 Motors should be relubricated according to the manufacturer s lubrication instructions 2 Filters must be cleaned cleanable type or replaced throw away type with like filters as often as necessary so as not to restrict air delivery 3 Twice a year check belts and sheaves for alignment and belt tension 4 When a belt is replaced shorten center distance between sh...

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Страница 15: ...3606 Yost Avenue Hastings Nebraska 6891 1966 Phone 402 463 9821 Fax 402 462 8006 www hastingshvac com E mail sales hastingshvac com ...

Страница 16: ... 1 April 2008 WARNING Improper installation adjustment alteration service or maintenance can cause property damage injury or death Read the installation operating and maintenance instructions thoroughly before installing or servicing this equipment WARNING FOR YOUR SAFETY If you smell gas 1 Open windows 2 Don t touch electrical switches 3 Extinguish any open flame 4 Immediately call gas supplier F...

Страница 17: ... with products of combustion will cause serious damage c Indoor units must have adequate COMBUSTION AIR If heaters are installed in a closed room provide outside opening of one square inch per 1 000 BTU for combustion air alone d Indoor units must not operate in an area with a negative air pressure condition Provide adequate MAKE UP AIR e Indoor units installed where there is sawdust lint soot dir...

Страница 18: ...se of trouble must be corrected IMMEDIATELY to avoid serious damage to the furnace The limit switch is a safety control NOT AN OPERATING CONTROL 14 Special precautions for furnaces used in conjunction with AIR COOLING and MAKE UP AIR SYSTEMS a Type 409 STAINLESS STEEL heat exchangers may be used in all applications but is recommended for make up air systems where inlet air temperature is ABOVE 40º...

Страница 19: ...onform with NFPA Nos 52 and 54 and that such material must not attain a temperature over 160º by continued operation of the heater 5 If two furnaces are to be used in a side by side application they must be installed so that the ENDS OPPOSITE the control access doors ADJOIN 6 A 4 inch frame is an integral part of the appliance and may be installed directly on the floor or roof or other combustible...

Страница 20: ...conform to the latest edition of the Natural gas and Propane Installation Code CAN CGA B149 1 or CAN CGA B149 2 or as follows A venting system shall not terminate underneath a veranda porch or deck or above a paved sidewalk or a paved driveway that is located between two buildings and that serves both buildings The exit terminals of mechanical draft systems shall not be less than 2 14m above grade...

Страница 21: ...supply connection to the appliance 9 The furnace must NOT be operated without a leak limiting orifice installed in the unit pressure regulator vent if applicable 10 The appliance and its individual shutoff valve must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of PSIG 11 The appliance must be isolated from the gas supply ...

Страница 22: ...t burner to a quiet blue flame Flame must surround the end of the flame rod for proper operation of the flame sensing circuit No combustion air adjustment is required on main burners 4 Pressure regulator setting must NOT be changed except under qualified supervision If necessary contact gas company before adjusting 5 With the unit firing a maximum input the gas line pressure should be maintained a...

Страница 23: ...rmer all wiring connections improper ground blown fuse in ignition module if applicable faulty high limit switch voltage leaks in igniter lead or cracked flame rod insulator and proper igniter sensor gap approximately 1 8 Correct as necessary If igniter still does not spark replace ignition module 5 Improper pilot Flame either too small or flame lifts If pilot is too small clean pilot line primary...

Страница 24: ...nd MV PV terminals If no or inadequate voltage is detected replace module If voltage is satis factory inspect main gas valve 5 Inoperative main gas valve Check all wiring connections between ignition module and main gas valve and correct as necessary If module and wiring inspections are satisfactory replace main gas valve or valve operator Main Burners Shutdown Before Call for Heat Is Satisfied 1 ...

Страница 25: ...and 12 3 Insufficient combustion air Make sure air inlets of unit are open Clean unit If condition still exists see item 1 of INSTALLATION PRECAUTIONS Blower Fails to Operate within 2 Minutes after Burners Ignite 1 Faulty blower wiring connections motor or fan Inspect and correct wiring connections as necessary controls Connect line voltage directly to motor If motor operates replace fan control i...

Страница 26: ...ly and allow panel to drop Remove panel and disconnect applicable electric wiring Remove retaining tabs at each end of the burner drawer and slide drawer assembly out of the furnace b Remove the screws holding top panel and lift panel off c Remove the screws from bottom flange of the collector box cover and lift cover off d Remove the screws from bottom flange of the collector box Remove the two s...

Страница 27: ...ue tubes using a 1 1 2 or 1 3 4 long handled wire brush Clean and replace flue baffles m Remove dirt from bottom pan and clean burners before replacing drawer assembly Cleaning Burners 1 Burners can be removed from drawer assembly by raising front of burner pushing burner forward against the hold down clip until venturi end of burner is free of support Remove burners next to pilot last and replace...

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Страница 30: ...must be installed downstream of blower Dimensions Outdoor Model HRDV MODEL NO 100 125 160 210 250 300 400 500 A 500 B 600 A 600 B 800 A 800 B A 30 5 8 30 5 8 41 3 8 41 3 8 41 3 8 52 1 16 65 1 2 52 1 16 52 1 16 65 1 2 AA 1041 8 1041 8 131 B 18 18 28 3 4 28 3 4 39 1 2 39 1 2 527 8 39 1 2 39 1 2 52 7 8 BB 87 3 4 87 3 4 1145 8 C 21 7 8 21 7 8 32 5 8 32 5 8 43 3 8 43 3 8 567 8 43 3 8 43 3 8 56 7 8 CC 6...

Страница 31: ...ssional assistance to help you with a solution to that problem Two inbound Watts lines to the home offices enables you to consult with qualified factory service personnel For needed parts appliance data or assistance on a service problem contact the service department of Hastings HVAC Inc Also when ordering replacement parts be sure to specify the following 1 Model and serial number of unit 2 Type...

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