Granby KHE-00-G010-03 Installation, Operation And Service Manual Download Page 1 | Manualshive

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Installation, Operation and Service

Manual

Conforto
Electric
Furnace

KHE 10 TO 27kW

INSTALLATIONS MUST MEET ALL LOCAL AND FEDERAL CODES THAT MAY

DIFFER FROM THIS MANUAL

Please read the

complete

manual before beginning installation. This

manual must be kept with the furnace for future reference. For

maintenance or question, please refer to your installer – contractor directly

.

02-13-2018

G2018-A1 Rev. A

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2
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Summary of Contents for KHE-00-G010-03

Page 1: ...UST MEET ALL LOCAL AND FEDERAL CODES THAT MAY DIFFER FROM THIS MANUAL Please read the complete manual before beginning installation This manual must be kept with the furnace for future reference For maintenance or question please refer to your installer contractor directly 02 13 2018 G2018 A1 Rev A ...

Page 2: ...ION 4 4 0 HIGH VOLTAGE CONNECTIONS 6 5 0 PANEL DISPLAY SWITCHES AND CUICUIT BREAKER 7 6 0 TECHNICAL INFORMATION 10 7 0 HEATING OUTPUT RATES BY STAGES 11 8 0 COMMISIONING CHECKLIST 11 9 0 KHE SERIES ELECTRICAL FURNACE 12 10 WIRING DIAGRAM PSC ECOTECH RESCUE MOTORS 13 11 EXPLODED VIEW KHE 14 ...

Page 3: ...to premature furnace failure which could result in a fire hazard and or bodily harm and or material damage and will void its manufacturer s warranty IMPORTANT This manual is intended to inform the installer of installation operation and maintenance procedures for trouble free operation of the Conforto KHE electric furnace It is essential that the service technician carefully reads this manual to f...

Page 4: ...tional and local safety standard codes This appliance requires 240Vac single phase 60Hz voltage The supply power lead shall enter the control enclosure of the furnace through the knockout provided on the right hand side of the furnace This will ensure the required separation between the low voltage and high voltage leads Knockouts are provided for 115Vac and 24Vac connections for humidifiers and e...

Page 5: ...distribution These furnaces are suited for vertical up flow down flow and horizontal installations This furnace shall not be installed on its front or back To install this unit on its front or back would result in inadequate access for servicing Always ensure that when suspending this furnace that suitable structural support is available and provides adequate access to the control and fan compartm...

Page 6: ...s When cutting the return air opening in the furnace casing use the square knockouts in the side and bottom panels as reference This will provide a free area opening of 18 x 18 The use of pleated filters is not recommended unless sized to suit the airflow requirements for the installation Pleated air filters tend to increase total system static pressures This may result in reduced airflow As a res...

Page 7: ...LED Indications A multi color LED is located directly above the thermostat connections terminal strip A solid Green LED indicates that the furnace is in standby mode A slow flashing once per second Green LED indicates that the furnace is either in a heating or a cooling cycle A quick flashing 5 times per second Green LED indicates that the unit is in the cool down cycle A solid Amber LED indicates...

Page 8: ...ccordance with a heat pump and presence of ice on the outside condenser is detected by the heat pump control the heat control will go into its deicing mode During this period the furnace will go into the heating mode to mitigate to the cooling of circulating air caused by the heat pump deicing cycle The front LED will then flash AMBER 2 times per second Circuit breakers The 16A furnace mounted cir...

Page 9: ... for heat in regular intervals On the coldest of days all available heating elements will be activated but on those milder days only a few will come on thus finding the perfect balance between energy use and homeowner comfort The ComfortMax option for heating is selected by a switch on the front panel of the appliance When the switch is activated during a call for heat the control will only activa...

Page 10: ... 5 5 5 5 5 ELEMENT NO 4 kW h 4 5 4 4 ELEMENT NO 5 kW h 4 4 ELEMENT NO 6 kW h 4 MOTOR AMPS PSC 2 2 2 2 2 2 2 2 2 2 5 8 MOTOR AMPS ECM 1 1 1 1 1 1 1 1 1 1 3 0 HEATING ELEMENT AMPS 40 60 80 89 92 108 TOTAL AMPS 43 63 83 92 95 114 MINIMUM CIRCUIT AMPS 60 85 100 110 125 150 BREAKER SIZE AMPS MAX 60 90 100 125 125 150 WIRE SIZE AWG 4 4 3 3 2 1 BLOWER DATA PSC Fan motor design only HEATING MOTOR H P SPEE...

Page 11: ... 17072 25950 34144 15kW 25950 34144 12975 17072 38925 51216 18kW 20760 27315 25950 34144 46710 61460 20kW 25950 34144 25950 34144 51890 68288 23kW 25950 34144 33734 44387 59682 78530 27kW 25950 34144 44114 58045 70064 92190 8 0 COMMISIONING CHECKLIST Ensure the following things 1 Fan motor shipping bracket is removed from left side of furnace 2 Thermostat is not connected to controller 3 A C conde...

Page 12: ...lace a jumper across R Y Y2 G fan starts on Cool speed and A C starts 3 Remove jumper fan cycles down and A C stops 4 Power furnace down connect thermostat turn power to furnace on KHE SERIES ELECTRIC FURNACE ...

Page 13: ...13 ...

Page 14: ... 00 6EF 75 4SPD 00 3BM 50 ECM0 03 3BM 75 4SDD 02 1 3HP 230V 1075 3SP DD MOTOR 3 4HP 208 230 1PH 4SPD MOTOR EMERSON 5846A 6 1 MOTOR M055CYA0372012B NIDEC 1 2 HP DD ECM MOTOR M055CWT0366012B NIDEC ECOTECH 3 4 HP DD ECM 10 4CA 00 705M 00 4CA 00 156M 2B CAPACITOR 7 5uF 370VAC 70C 60Hz CAPACITOR 15 0uF 370VAC 70C 60Hz 11 1SB 10 BRKT 00 1SB 12 BRKT 00 10 BLOWER BELLY BAND 12 BLOWER BELLY BAND 12 3BU 10 ...

Page 15: ...15 GRANBY FURNACES INC PO Box 637 12118 Hwy 209 Parrsboro Nova Scotia Canada B0M 1S0 www granbyindustries com Thank you for choosing Granby ...

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